use arena everywhere + bunch of cool new stuff

CMakeLists.txt

@@ -1,28 +0,0 @@
-add_library(colla STATIC 
-    src/collatypes.h
-    src/vec.h
-    src/win32_slim.h 
-    src/tracelog.h      src/tracelog.c
-    src/str.h           src/str.c
-    src/hashmap.h       src/hashmap.c
-    src/utf8.h          src/utf8.c
-    src/ini.h           src/ini.c
-    src/strstream.h     src/strstream.c
-    src/os.h            src/os.c
-    src/file.h          src/file.c
-    src/dir.h           src/dir.c
-    src/socket.h        src/socket.c
-    src/http.h          src/http.c
-    src/cthreads.h      src/cthreads.c
-)
-
-if(MSVC)
-    target_link_libraries(colla ws2_32.lib)
-    target_compile_options(colla PRIVATE /W4)
-else()
-    target_link_libraries(colla pthread)
-    target_compile_options(colla PRIVATE -Wall -Wextra -Wpedantic)
-    target_compile_definitions(colla PUBLIC _DEFAULT_SOURCE)
-endif()
-
-target_include_directories(colla PUBLIC src)

build.bat

@@ -0,0 +1 @@
+zig cc -o test.exe main.c -lWs2_32 -lWininet -Wall -Wpedantic -Wno-newline-eof

build.c

@@ -0,0 +1,17 @@
+// remember to link Ws2_32 (sockets, server, http) and Wininet (https) if you want to do networking stuff!
+
+#include "colla/arena.c"
+#include "colla/base64.c"
+#include "colla/cthreads.c"
+#include "colla/file.c"
+#include "colla/format.c"
+#include "colla/http.c"
+#include "colla/ini.c"
+#include "colla/json.c"
+#include "colla/server.c"
+#include "colla/socket.c"
+#include "colla/str.c"
+#include "colla/strstream.c"
+#include "colla/tracelog.c"
+#include "colla/utf8.c"
+#include "colla/vmem.c"

colla/arena.c

@@ -0,0 +1,198 @@
+#include "arena.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "vmem.h"
+#include "tracelog.h"
+
+static uintptr_t arena__align(uintptr_t ptr, usize align) {
+    return (ptr + (align - 1)) & ~(align - 1);
+}
+
+static arena_t arena__make_virtual(usize size);
+static arena_t arena__make_malloc(usize size);
+static arena_t arena__make_static(byte *buf, usize len);
+
+static void arena__free_virtual(arena_t *arena);
+static void arena__free_malloc(arena_t *arena);
+
+arena_t arenaInit(const arena_desc_t *desc) {
+    if (desc) {
+        switch (desc->type) {
+            case ARENA_VIRTUAL: return arena__make_virtual(desc->allocation);
+            case ARENA_MALLOC:  return arena__make_malloc(desc->allocation);
+            case ARENA_STATIC:  return arena__make_static(desc->static_buffer, desc->allocation);
+        }
+    }
+
+    debug("couldn't init arena: %p %d\n", desc, desc ? desc->type : 0);
+    return (arena_t){0};
+}
+
+void arenaCleanup(arena_t *arena) {
+    if (!arena) {
+        return;
+    }
+
+    switch (arena->type) {
+        case ARENA_VIRTUAL: arena__free_virtual(arena); break;
+        case ARENA_MALLOC:  arena__free_malloc(arena);  break;
+        // ARENA_STATIC does not need to be freed
+        case ARENA_STATIC:  break;
+    }
+
+    memset(arena, 0, sizeof(arena_t));
+}
+
+arena_t arenaScratch(arena_t *arena) {
+    if (!arena) {
+        return (arena_t){0};
+    }
+    
+    return (arena_t) {
+        .start   = arena->current,
+        .current = arena->current,
+        .end     = arena->end,
+        .type    = arena->type,
+    };
+}
+
+void *arenaAlloc(const arena_alloc_desc_t *desc) {
+    if (!desc || !desc->arena) {
+        return NULL;
+    }
+
+    usize total = desc->size * desc->count;
+    arena_t *arena = desc->arena;
+
+    arena->current = (byte *)arena__align((uintptr_t)arena->current, desc->align);
+
+    if (total > arenaRemaining(arena)) {
+        if (desc->flags & ALLOC_SOFT_FAIL) {
+            return NULL;
+        }
+        printf("finished space in arena, tried to allocate %zu bytes out of %zu\n", total, arenaRemaining(arena));
+        abort();
+    }
+
+    if (arena->type == ARENA_VIRTUAL) {
+        usize allocated = arenaTell(arena);
+        usize page_end = vmemPadToPage(allocated);
+        usize new_cur = allocated + total;
+
+        if (new_cur > page_end) {
+            usize extra_mem = vmemPadToPage(new_cur - page_end);
+            usize page_size = vmemGetPageSize();
+            // TODO is this really correct?
+            usize num_of_pages = (extra_mem / page_size) + 1;
+
+            assert(num_of_pages > 0);
+
+            if (!vmemCommit(arena->current, num_of_pages + 1)) {
+                if (desc->flags & ALLOC_SOFT_FAIL) {
+                    return NULL;
+                }
+                printf("failed to commit memory for virtual arena, tried to commit %zu pages\n", num_of_pages);
+                exit(1);
+            }
+        }
+    }
+
+    byte *ptr = arena->current;
+    arena->current += total;
+
+    if (desc->flags & ALLOC_NOZERO) return ptr;
+
+    memset(ptr, 0, total);
+
+    return ptr;
+
+    return desc->flags & ALLOC_NOZERO ? ptr : memset(ptr, 0, total);
+}
+
+usize arenaTell(arena_t *arena) {
+    return arena ? arena->current - arena->start : 0;
+}
+
+usize arenaRemaining(arena_t *arena) {
+    return arena && (arena->current < arena->end) ? arena->end - arena->current : 0;
+}
+
+void arenaRewind(arena_t *arena, usize from_start) {
+    if (!arena) {
+        return;
+    }
+
+    assert(arenaTell(arena) >= from_start);
+
+    arena->current = arena->start + from_start;
+}
+
+void arenaPop(arena_t *arena, usize amount) {
+    if (!arena) {
+        return;
+    }
+    usize position = arenaTell(arena);
+    if (!position) {
+        return;
+    }
+    arenaRewind(arena, position - amount);
+}
+
+// == VIRTUAL ARENA ====================================================================================================
+
+static arena_t arena__make_virtual(usize size) {
+    usize alloc_size = 0;
+    byte *ptr = vmemInit(size, &alloc_size);
+    if (!vmemCommit(ptr, 1)) {
+        vmemRelease(ptr);
+        ptr = NULL;
+    }
+
+    return (arena_t){
+        .start = ptr,
+        .current = ptr,
+        .end = ptr ? ptr + alloc_size : NULL,
+        .type = ARENA_VIRTUAL,
+    };
+}
+
+static void arena__free_virtual(arena_t *arena) {
+    if (!arena->start) {
+        return;
+    }
+
+    bool success = vmemRelease(arena->start);
+    assert(success && "Failed arena free");
+}
+
+// == MALLOC ARENA =====================================================================================================
+
+static arena_t arena__make_malloc(usize size) {
+    byte *ptr = malloc(size);
+    assert(ptr);
+    return (arena_t) {
+        .start = ptr,
+        .current = ptr,
+        .end = ptr ? ptr + size : NULL,
+        .type = ARENA_MALLOC,
+    };
+}
+
+static void arena__free_malloc(arena_t *arena) {
+    free(arena->start);
+}
+
+// == STATIC ARENA =====================================================================================================
+
+static arena_t arena__make_static(byte *buf, usize len) {
+    return (arena_t) {
+        .start = buf,
+        .current = buf,
+        .end = buf ? buf + len : NULL,
+        .type = ARENA_STATIC,
+    };
+}

colla/arena.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "collatypes.h"
+
+#define alignof _Alignof
+
+typedef enum {
+    ARENA_VIRTUAL,
+    ARENA_MALLOC,
+    ARENA_STATIC,
+} arena_type_e;
+
+typedef enum {
+    ALLOC_FLAGS_NONE = 0,
+    ALLOC_NOZERO     = 1 << 0,
+    ALLOC_SOFT_FAIL  = 1 << 1,
+} alloc_flags_e;
+
+typedef struct arena_t {
+    uint8 *start;
+    uint8 *current;
+    uint8 *end;
+    arena_type_e type;
+} arena_t;
+
+typedef struct {
+    arena_type_e type;
+    usize allocation;
+    byte *static_buffer;
+} arena_desc_t;
+
+typedef struct {
+    arena_t *arena;
+    usize count;
+    alloc_flags_e flags;
+    usize size;
+    usize align;
+} arena_alloc_desc_t;
+
+#define KB(count) (  (count) * 1024)
+#define MB(count) (KB(count) * 1024)
+#define GB(count) (MB(count) * 1024)
+
+// arena_type_e type, usize allocation, [ byte *static_buffer ]
+#define arenaMake(...) arenaInit(&(arena_desc_t){ __VA_ARGS__ })
+
+// arena_t *arena, T type, [ usize count, alloc_flags_e flags, usize size, usize align ]
+#define alloc(arenaptr, type, ...) arenaAlloc(&(arena_alloc_desc_t){ .size = sizeof(type), .count = 1, .align = alignof(type), .arena = arenaptr, __VA_ARGS__ })
+
+arena_t arenaInit(const arena_desc_t *desc);
+void arenaCleanup(arena_t *arena);
+
+void *arenaAlloc(const arena_alloc_desc_t *desc);
+usize arenaTell(arena_t *arena);
+usize arenaRemaining(arena_t *arena);
+void arenaRewind(arena_t *arena, usize from_start);
+void arenaPop(arena_t *arena, usize amount);

colla/base64.c

@@ -0,0 +1,100 @@
+#include "base64.h"
+
+#include "warnings/colla_warn_beg.h"
+
+#include "arena.h"
+
+static char encoding_table[] = {
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',           
+    'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+    'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+    'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+    'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+    'w', 'x', 'y', 'z', '0', '1', '2', '3',
+    '4', '5', '6', '7', '8', '9', '+', '/'
+};
+
+static uint8 decoding_table[] = {
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 
+    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 
+    0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+    12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 
+    24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 
+    44, 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+};
+
+buffer_t base64Encode(arena_t *arena, buffer_t buffer) {
+    usize outlen = ((buffer.len + 2) / 3) * 4;
+    uint8 *out = alloc(arena, uint8, outlen);
+
+    for (usize i = 0, j = 0; i < buffer.len;) {
+        uint32 a = i < buffer.len ? buffer.data[i++] : 0;
+        uint32 b = i < buffer.len ? buffer.data[i++] : 0;
+        uint32 c = i < buffer.len ? buffer.data[i++] : 0;
+
+        uint32 triple = (a << 16) | (b << 8) | c;
+
+        out[j++] = encoding_table[(triple >> 18) & 0x3F];
+        out[j++] = encoding_table[(triple >> 12) & 0x3F];
+        out[j++] = encoding_table[(triple >>  6) & 0x3F];
+        out[j++] = encoding_table[(triple >>  0) & 0x3F];
+    }
+
+    usize mod = buffer.len % 3;
+    if (mod) {
+        mod = 3 - mod;
+        for (usize i = 0; i < mod; ++i) {
+            out[outlen - 1 - i] = '=';
+        }
+    }
+
+    return (buffer_t){
+        .data = out,
+        .len = outlen
+    };
+}
+
+buffer_t base64Decode(arena_t *arena, buffer_t buffer) {
+    uint8 *out = arena->current;
+    usize start = arenaTell(arena);
+
+    for (usize i = 0; i < buffer.len; i += 4) {
+        uint8 a = decoding_table[buffer.data[i + 0]];
+        uint8 b = decoding_table[buffer.data[i + 1]];
+        uint8 c = decoding_table[buffer.data[i + 2]];
+        uint8 d = decoding_table[buffer.data[i + 3]];
+
+        uint32 triple =
+            ((uint32)a << 18) |
+            ((uint32)b << 12) |
+            ((uint32)c << 6)  |
+            ((uint32)d);
+
+        uint8 *bytes = alloc(arena, uint8, 3);
+
+        bytes[0] = (triple >> 16) & 0xFF;
+        bytes[1] = (triple >>  8) & 0xFF;
+        bytes[2] = (triple >>  0) & 0xFF;
+    }
+
+    usize outlen = arenaTell(arena) - start;
+
+    return (buffer_t){
+        .data = out,
+        .len = outlen,
+    };
+}
+
+#include "warnings/colla_warn_end.h"

colla/base64.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "collatypes.h"
+#include "str.h"
+
+typedef struct arena_t arena_t;
+
+buffer_t base64Encode(arena_t *arena, buffer_t buffer);
+buffer_t base64Decode(arena_t *arena, buffer_t buffer);

colla/colladefines.h

@@ -0,0 +1,79 @@
+#pragma once
+
+#define arrlen(a) (sizeof(a) / sizeof((a)[0]))
+
+#if defined(_DEBUG) || !defined(NDEBUG)
+#define COLLA_DEBUG   1
+#define COLLA_RELEASE 0
+#else
+#define COLLA_DEBUG   0
+#define COLLA_RELEASE 1
+#endif
+
+#if defined(_WIN32)
+
+#define COLLA_WIN 1
+#define COLLA_OSX 0
+#define COLLA_LIN 0
+
+#elif defined(__APPLE__)
+
+#define COLLA_WIN 0
+#define COLLA_OSX 1
+#define COLLA_LIN 0
+
+#elif defined(__linux__)
+
+#define COLLA_WIN 0
+#define COLLA_OSX 0
+#define COLLA_LIN 1
+
+#endif
+
+#if defined(__clang__)
+
+#define COLLA_CLANG 1
+#define COLLA_MSVC  0
+#define COLLA_TCC   0
+#define COLLA_GCC   0
+
+#elif defined(_MSC_VER)
+
+#define COLLA_CLANG 0
+#define COLLA_MSVC  1
+#define COLLA_TCC   0
+#define COLLA_GCC   0
+
+#elif defined(__TINYC__)
+
+#define COLLA_CLANG 0
+#define COLLA_MSVC  0
+#define COLLA_TCC   1
+#define COLLA_GCC   0
+
+#elif defined(__GNUC__)
+
+#define COLLA_CLANG 0
+#define COLLA_MSVC  0
+#define COLLA_TCC   0
+#define COLLA_GCC   1
+
+#endif
+
+#if   COLLA_CLANG
+
+#define COLLA_CMT_LIB 0
+
+#elif COLLA_MSVC
+
+#define COLLA_CMT_LIB 1
+
+#elif COLLA_TCC
+
+#define COLLA_CMT_LIB 1
+
+#elif COLLA_GCC
+
+#define COLLA_CMT_LIB 0
+
+#endif

colla/collatypes.h

@@ -2,6 +2,9 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#include <stdbool.h>
+
+#include "colladefines.h"
 
 typedef unsigned char  uchar;
 typedef unsigned short ushort;
@@ -19,3 +22,16 @@ typedef int64_t int64;
 
 typedef size_t    usize;
 typedef ptrdiff_t isize;
+
+typedef uint8 byte;
+
+typedef struct {
+    uint8 *data;
+    usize len;
+} buffer_t;
+
+#if COLLA_WIN && defined(UNICODE)
+typedef wchar_t TCHAR;
+#else
+typedef char TCHAR;
+#endif

colla/cthreads.c

@@ -1,13 +1,23 @@
 #include "cthreads.h"
 
+#include <stdlib.h>
+
 typedef struct {
     cthread_func_t func;
     void *arg;
 } _thr_internal_t;
 
-#ifdef _WIN32
+#if COLLA_WIN
-#include "win32_slim.h"
+#define WIN32_LEAN_AND_MEAN
-#include <stdlib.h>
+#include <handleapi.h>
+#include <processthreadsapi.h>
+#include <synchapi.h>
+
+#undef INFINITE
+#undef WAIT_FAILED
+// couple of defines to avoid including windows.h
+#define INFINITE            0xFFFFFFFF  // Infinite timeout
+#define WAIT_FAILED         ((DWORD)0xFFFFFFFF)
 
 // == THREAD ===========================================
 
@@ -21,7 +31,7 @@ static DWORD _thrFuncInternal(void *arg) {
 
 cthread_t thrCreate(cthread_func_t func, void *arg) {
     HANDLE thread = INVALID_HANDLE_VALUE;
-    _thr_internal_t *params = malloc(sizeof(_thr_internal_t));
+    _thr_internal_t *params = calloc(1, sizeof(_thr_internal_t));
     
     if(params) {
         params->func = func;
@@ -68,7 +78,7 @@ bool thrJoin(cthread_t ctx, int *code) {
 // == MUTEX ============================================
 
 cmutex_t mtxInit(void) {
-    CRITICAL_SECTION *crit_sec = malloc(sizeof(CRITICAL_SECTION));
+    CRITICAL_SECTION *crit_sec = calloc(1, sizeof(CRITICAL_SECTION));
     if(crit_sec) {
         InitializeCriticalSection(crit_sec);
     }
@@ -100,10 +110,10 @@ bool mtxUnlock(cmutex_t ctx) {
 
 // == CONDITION VARIABLE ===============================
 
-#include <tracelog.h>
+#include "tracelog.h"
 
 condvar_t condInit(void) {
-    CONDITION_VARIABLE *cond = malloc(sizeof(CONDITION_VARIABLE));
+    CONDITION_VARIABLE *cond = calloc(1, sizeof(CONDITION_VARIABLE));
     InitializeConditionVariable(cond);
     return (condvar_t)cond;
 }
@@ -121,7 +131,7 @@ void condWakeAll(condvar_t cond) {
 }
 
 void condWait(condvar_t cond, cmutex_t mtx) {
-    BOOL res = SleepConditionVariableCS((CONDITION_VARIABLE *)cond, (CRITICAL_SECTION *)mtx, INFINITE);
+    SleepConditionVariableCS((CONDITION_VARIABLE *)cond, (CRITICAL_SECTION *)mtx, INFINITE);
 }
 
 void condWaitTimed(condvar_t cond, cmutex_t mtx, int milliseconds) {
@@ -130,7 +140,6 @@ void condWaitTimed(condvar_t cond, cmutex_t mtx, int milliseconds) {
 
 #else
 #include <pthread.h>
-#include <stdlib.h>
 #include <unistd.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
@@ -150,7 +159,7 @@ static void *_thrFuncInternal(void *arg) {
 cthread_t thrCreate(cthread_func_t func, void *arg) {
     pthread_t handle = (pthread_t)NULL;
 
-    _thr_internal_t *params = malloc(sizeof(_thr_internal_t));
+    _thr_internal_t *params = calloc(1, sizeof(_thr_internal_t));
     
     if(params) {
         params->func = func;
@@ -195,7 +204,7 @@ bool thrJoin(cthread_t ctx, int *code) {
 // == MUTEX ============================================
 
 cmutex_t mtxInit(void) {
-    pthread_mutex_t *mutex = malloc(sizeof(pthread_mutex_t));
+    pthread_mutex_t *mutex = calloc(1, sizeof(pthread_mutex_t));
 
     if(mutex) {
         if(pthread_mutex_init(mutex, NULL)) {
@@ -230,7 +239,7 @@ bool mtxUnlock(cmutex_t ctx) {
 // == CONDITION VARIABLE ===============================
 
 condvar_t condInit(void) {
-    pthread_cond_t *cond = malloc(sizeof(pthread_cond_t));
+    pthread_cond_t *cond = calloc(1, sizeof(pthread_cond_t));
 
     if(cond) {
         if(pthread_cond_init(cond, NULL)) {

colla/cthreads.h

@@ -1,11 +1,6 @@
 #pragma once
 
-#ifdef __cplusplus
+#include "collatypes.h"
-extern "C" {
-#endif
-
-#include <stdbool.h>
-#include <stdint.h>
 
 // == THREAD ===========================================
 
@@ -37,31 +32,6 @@ bool mtxLock(cmutex_t ctx);
 bool mtxTryLock(cmutex_t ctx);
 bool mtxUnlock(cmutex_t ctx);
 
-#ifdef __cplusplus
-// small c++ class to make mutexes easier to use
-struct lock_t {
-    inline lock_t(cmutex_t mutex)
-        : mutex(mutex) {
-        if (mtxValid(mutex)) {
-            mtxLock(mutex);
-        }
-    }
-
-    inline ~lock_t() {
-        unlock();
-    }
-
-    inline void unlock() {
-        if (mtxValid(mutex)) {
-            mtxUnlock(mutex);
-        }
-        mutex = 0;
-    }
-    
-    cmutex_t mutex;
-};
-#endif
-
 // == CONDITION VARIABLE ===============================
 
 typedef uintptr_t condvar_t;
@@ -76,7 +46,3 @@ void condWakeAll(condvar_t cond);
 
 void condWait(condvar_t cond, cmutex_t mtx);
 void condWaitTimed(condvar_t cond, cmutex_t mtx, int milliseconds);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif

colla/file.c

@@ -1,311 +1,288 @@
 #include "file.h"
 
+#include "warnings/colla_warn_beg.h"
+
 #include "tracelog.h"
+#include "format.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
-#include "win32_slim.h"
-#include <stdlib.h>
 
-static DWORD _toWin32Access(int mode) {
+#define WIN32_LEAN_AND_MEAN
-    if(mode & FILE_READ) return GENERIC_READ;
+#include <fileapi.h>
-    if(mode & FILE_WRITE) return GENERIC_WRITE;
+#include <handleapi.h>
-    if(mode & FILE_BOTH) return GENERIC_READ | GENERIC_WRITE;
+
-    fatal("unrecognized access mode: %d", mode);
+#undef FILE_BEGIN
-    return 0;
+#undef FILE_CURRENT
+#undef FILE_END
+
+#define FILE_BEGIN           0
+#define FILE_CURRENT         1
+#define FILE_END             2
+
+static DWORD file__mode_to_access(filemode_e mode) {
+    if (mode & FILE_APPEND) return FILE_APPEND_DATA;
+
+    DWORD out = 0;
+    if (mode & FILE_READ) out |= GENERIC_READ;
+    if (mode & FILE_WRITE) out |= GENERIC_WRITE;
+    return out;
 }
 
-static DWORD _toWin32Creation(filemode_t mode) {
+static DWORD file__mode_to_creation(filemode_e mode) {
-    if(mode & FILE_READ) return OPEN_EXISTING;
+    if (mode == FILE_READ)  return OPEN_EXISTING;
-    if(mode == (FILE_WRITE | FILE_CLEAR)) return CREATE_ALWAYS;
+    if (mode == FILE_WRITE) return CREATE_ALWAYS;
-    if(mode & FILE_WRITE) return OPEN_ALWAYS;
+    return OPEN_ALWAYS;
-    if(mode & FILE_BOTH) return OPEN_ALWAYS;
-    fatal("unrecognized creation mode: %d", mode);
-    return 0;
 }
 
-bool fileExists(const char *fname) {
+bool fileExists(const char *name) {
-    return GetFileAttributesA(fname) != INVALID_FILE_ATTRIBUTES;
+    return GetFileAttributesA(name) != INVALID_FILE_ATTRIBUTES;
 }
 
-file_t fileOpen(const char *fname, filemode_t mode) {
+file_t fileOpen(arena_t scratch, strview_t name, filemode_e mode) {
-    return (file_t)CreateFileA(
+    TCHAR long_path_prefix[] = TEXT("\\\\?\\");
-        fname, 
+    const usize prefix_len = arrlen(long_path_prefix) - 1;
-        _toWin32Access(mode), 
+
+    TCHAR *rel_path = strvToTChar(&scratch, name);
+    DWORD pathlen = GetFullPathName(rel_path, 0, NULL, NULL);
+
+    TCHAR *full_path = alloc(&scratch, TCHAR, pathlen + prefix_len + 1);
+    memcpy(full_path, long_path_prefix, prefix_len * sizeof(TCHAR));
+
+    GetFullPathName(rel_path, pathlen + 1, full_path + prefix_len, NULL);
+
+    HANDLE handle = CreateFile(
+        full_path,
+        file__mode_to_access(mode),
         0,
         NULL,
-        _toWin32Creation(mode), 
+        file__mode_to_creation(mode),
         FILE_ATTRIBUTE_NORMAL,
         NULL
     );
+
+    return (file_t){
+        .handle = (uintptr_t)handle,
+    };
 }
 
 void fileClose(file_t ctx) {
-    if (ctx) {
+    if (!fileIsValid(ctx)) return;
-        CloseHandle((HANDLE)ctx);
+    CloseHandle((HANDLE)ctx.handle);
+}
+
+bool fileIsValid(file_t ctx) {
+    return (HANDLE)ctx.handle != 0 && 
+           (HANDLE)ctx.handle != INVALID_HANDLE_VALUE;
+}
+
+usize fileRead(file_t ctx, void *buf, usize len) {
+    if (!fileIsValid(ctx)) return 0;
+    DWORD read = 0;
+    ReadFile((HANDLE)ctx.handle, buf, len, &read, NULL);
+    return (usize)read;
+}
+
+usize fileWrite(file_t ctx, const void *buf, usize len) {
+    if (!fileIsValid(ctx)) return 0;
+    DWORD written = 0;
+    WriteFile((HANDLE)ctx.handle, buf, len, &written, NULL);
+    return (usize)written;
+}
+
+bool fileSeekEnd(file_t ctx) {
+    if (!fileIsValid(ctx)) return false;
+    DWORD result = SetFilePointer((HANDLE)ctx.handle, 0, NULL, FILE_END);
+    return result != INVALID_SET_FILE_POINTER;
+}
+
+void fileRewind(file_t ctx) {
+    if (!fileIsValid(ctx)) return;
+    SetFilePointer((HANDLE)ctx.handle, 0, NULL, FILE_BEGIN);
+}
+
+usize fileTell(file_t ctx) {
+    if (!fileIsValid(ctx)) return 0;
+    LARGE_INTEGER tell = {0};
+    BOOL result = SetFilePointerEx((HANDLE)ctx.handle, (LARGE_INTEGER){0}, &tell, FILE_CURRENT);
+    return result == TRUE ? (usize)tell.QuadPart : 0;
+}
+
+usize fileSize(file_t ctx) {
+    if (!fileIsValid(ctx)) return 0;
+    LARGE_INTEGER size = {0};
+    BOOL result = GetFileSizeEx((HANDLE)ctx.handle, &size);
+    return result == TRUE ? (usize)size.QuadPart : 0;
+}
+
+uint64 fileGetTimeFP(file_t ctx) {
+    if (!fileIsValid(ctx)) return 0;
+    FILETIME time = {0};
+    GetFileTime((HANDLE)ctx.handle, NULL, NULL, &time);
+    ULARGE_INTEGER utime = {
+        .HighPart = time.dwHighDateTime,
+        .LowPart = time.dwLowDateTime,
+    };
+    return (uint64)utime.QuadPart;
+}
+
+#else
+
+#include <stdio.h>
+
+static const char *file__mode_to_stdio(filemode_e mode) {
+    if (mode == FILE_READ)   return "rb";
+    if (mode == FILE_WRITE)  return "wb";
+    if (mode == FILE_APPEND) return "ab";
+    if (mode == (FILE_READ | FILE_WRITE)) return "rb+";
+
+    return "ab+";
+}
+
+bool fileExists(const char *name) {
+    FILE *fp = fopen(name, "rb");
+    bool exists = fp != NULL;
+    fclose(fp);
+    return exists;
+}
+
+file_t fileOpen(arena_t scratch, strview_t name, filemode_e mode) {
+    str_t filename = str(&scratch, name);
+    return (file_t) {
+        .handle = (uintptr_t)fopen(filename.buf, file__mode_to_stdio(mode))
+    };
+}
+
+void fileClose(file_t ctx) {
+    FILE *fp = (FILE *)ctx.handle;
+    if (fp) {
+        fclose(fp);
     }
 }
 
 bool fileIsValid(file_t ctx) {
-    return (HANDLE)ctx != INVALID_HANDLE_VALUE;
+    return (FILE *)ctx.handle != NULL;
 }
 
+usize fileRead(file_t ctx, void *buf, usize len) {
+    if (!fileIsValid(ctx)) return 0;
+    return fread(buf, 1, len, (FILE *)ctx.handle);
+}
+
+usize fileWrite(file_t ctx, const void *buf, usize len) {
+    if (!fileIsValid(ctx)) return 0;
+    return fwrite(buf, 1, len, (FILE *)ctx.handle);
+}
+
+bool fileSeekEnd(file_t ctx) {
+    if (!fileIsValid(ctx)) return false;
+    return fseek((FILE *)ctx.handle, 0, SEEK_END) == 0;
+}
+
+void fileRewind(file_t ctx) {
+    if (!fileIsValid(ctx)) return;
+    return fseek((FILE *)ctx.handle, 0, SEEK_SET) == 0;
+}
+
+usize fileTell(file_t ctx) {
+    if (!fileIsValid(ctx)) return 0;
+    return ftell((FILE *)ctx.handle);
+}
+
+usize fileSize(file_t ctx) {
+    if (!fileIsValid(ctx)) return 0;
+    FILE *fp = (FILE *)ctx.handle;
+    fseek(fp, 0, SEEK_END);
+    long len = ftell(fp);
+    fseek(fp, 0, SEEK_SET);
+    return (usize)len;
+}
+
+uint64 fileGetTimeFP(file_t ctx) {
+#if COLLA_LIN
+#else
+    fatal("fileGetTime not implemented yet outside of linux and windows");
+    return 0;
+#endif
+}
+
+#endif
+
 bool filePutc(file_t ctx, char c) {
     return fileWrite(ctx, &c, 1) == 1;
 }
 
-bool filePuts(file_t ctx, const char *str) {
+bool filePuts(file_t ctx, strview_t v) {
-    usize len = strlen(str);
+    return fileWrite(ctx, v.buf, v.len) == v.len;
-    return fileWrite(ctx, str, len) == len;
 }
 
-bool filePutstr(file_t ctx, str_t str) {
+bool filePrintf(arena_t scratch, file_t ctx, const char *fmt, ...) {
-    return fileWrite(ctx, str.buf, str.len) == str.len;
+    va_list args;
+    va_start(args, fmt);
+    bool result = filePrintfv(scratch, ctx, fmt, args);
+    va_end(args);
+    return result;
 }
 
-bool filePutview(file_t ctx, strview_t view) {
+bool filePrintfv(arena_t scratch, file_t ctx, const char *fmt, va_list args) {
-    return fileWrite(ctx, view.buf, view.len) == view.len;
+    str_t string = strFmtv(&scratch, fmt, args);
+    return fileWrite(ctx, string.buf, string.len) == string.len;
 }
 
-usize fileRead(file_t ctx, void *buf, usize len) {
+buffer_t fileReadWhole(arena_t *arena, arena_t scratch, strview_t name) {
-    DWORD bytes_read = 0;
+    return fileReadWholeFP(arena, fileOpen(scratch, name, FILE_READ));
-    BOOL result = ReadFile((HANDLE)ctx, buf, (DWORD)len, &bytes_read, NULL);
-    return result == TRUE ? (usize)bytes_read : 0;
 }
 
-usize fileWrite(file_t ctx, const void *buf, usize len) {
+buffer_t fileReadWholeFP(arena_t *arena, file_t ctx) {
-    DWORD bytes_read = 0;
+    if (!fileIsValid(ctx)) return (buffer_t){0};
-    BOOL result = WriteFile((HANDLE)ctx, buf, (DWORD)len, &bytes_read, NULL);
+    buffer_t out = {0};
-    return result == TRUE ? (usize)bytes_read : 0;
-}
 
-bool fileSeekEnd(file_t ctx) {
+    out.len = fileSize(ctx);
-    return SetFilePointerEx((HANDLE)ctx, (LARGE_INTEGER){0}, NULL, FILE_END) == TRUE;
+    out.data = alloc(arena, uint8, out.len);
-}
+    usize read = fileRead(ctx, out.data, out.len);
 
-void fileRewind(file_t ctx) {
+    if (read != out.len) {
-    SetFilePointerEx((HANDLE)ctx, (LARGE_INTEGER){0}, NULL, FILE_BEGIN);
+        err("fileReadWholeFP: fileRead failed, should be %zu but is %zu", out.len, read);
-}
+        arenaPop(arena, out.len);
-
+        return (buffer_t){0};
-uint64 fileTell(file_t ctx) {
-    LARGE_INTEGER tell;
-    BOOL result = SetFilePointerEx((HANDLE)ctx, (LARGE_INTEGER){0}, &tell, FILE_CURRENT);
-    return result == TRUE ? (uint64)tell.QuadPart : 0;
-}
-
-uint64 fileGetTime(file_t ctx) {
-    uint64 fp_time = 0;
-    GetFileTime((HANDLE)ctx, NULL, NULL, (FILETIME *)&fp_time);
-    return fp_time;
-}
-
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-const char *_toStdioMode(filemode_t mode) {
-    switch(mode) {
-        case FILE_READ: return "rb";
-        case FILE_BOTH: return "r+b";
-        case FILE_WRITE: return "wb";
-        default: fatal("mode not recognized: %d", mode); return "";
-    }
-}
-
-bool fileExists(const char *fname) {
-    return access(fname, F_OK) == 0;
-}
-
-file_t fileOpen(const char *fname, filemode_t mode) {
-    return (file_t)(void*) fopen(fname, _toStdioMode(mode));
-}
-
-void fileClose(file_t ctx) {
-    if(ctx) {
-        fclose((FILE*)ctx);
-    }
-}
-
-bool fileIsValid(file_t ctx) {
-    return (FILE *)ctx != NULL;
-}
-
-bool filePutc(file_t ctx, char c) {
-    return fputc(c, (FILE*)ctx) == c;
-}
-
-bool filePuts(file_t ctx, const char *str) {
-    return fputs(str, (FILE*)ctx) != EOF;
-}
-
-bool filePutstr(file_t ctx, str_t str) {
-    return fileWrite(ctx, str.buf, str.len) == str.len;
-}
-
-bool filePutview(file_t ctx, strview_t view) {
-    return fileWrite(ctx, view.buf, view.len) == view.len;
-}
-
-usize fileRead(file_t ctx, void *buf, usize len) {
-    return fread(buf, 1, len, (FILE*)ctx);
-}
-
-usize fileWrite(file_t ctx, const void *buf, usize len) {
-    return fwrite(buf, 1, len, (FILE*)ctx);
-}
-
-bool fileSeekEnd(file_t ctx) {
-    return fseek((FILE*)ctx, 0, SEEK_END) == 0;
-}
-
-void fileRewind(file_t ctx) {
-    rewind((FILE*)ctx);
-}
-
-uint64 fileTell(file_t ctx) {
-    return (uint64)ftell((FILE*)ctx);
-}
-
-uint64 fileGetTime(file_t ctx) {
-
-}
-#endif
-
-static str_t _readWholeInternalStr(file_t ctx) {
-    str_t contents = strInit();
-    uint64 fsize = 0;
-    usize read = 0;
-
-    if(!fileSeekEnd(ctx)) {
-        err("file: couldn't read until end");
-        goto failed;
     }
 
-    fsize = fileTell(ctx);
+    return out;
-    fileRewind(ctx);
-
-    contents.buf = (char *)malloc(fsize + 1);
-    contents.len = fsize;
-    if(!contents.buf) {
-        err("file: couldn't allocate buffer");
-        goto failed;
-    }
-    
-    read = fileRead(ctx, contents.buf, fsize);
-    if(read != fsize) {
-        err("file: read wrong amount of bytes: %zu instead of %zu", read, fsize);
-        goto failed_free;
-    }
-
-    contents.buf[contents.len] = '\0';
-
-failed:
-    return contents;
-failed_free:
-    strFree(contents);
-    return strInit();   
 }
 
-static vec(uint8) _readWholeInternalVec(file_t ctx) {
+str_t fileReadWholeStr(arena_t *arena, arena_t scratch, strview_t name) {
-    vec(uint8) contents = NULL;
+    return fileReadWholeStrFP(arena, fileOpen(scratch, name, FILE_READ));
-    uint64 fsize = 0;
+}
-    usize read = 0;
 
-    if(!fileSeekEnd(ctx)) {
+str_t fileReadWholeStrFP(arena_t *arena, file_t ctx) {
-        err("file: couldn't read until end");
+    if (!fileIsValid(ctx)) return (str_t){0};
-        goto failed;
+
+    str_t out = {0};
+
+    out.len = fileSize(ctx);
+    out.buf = alloc(arena, uint8, out.len + 1);
+    usize read = fileRead(ctx, out.buf, out.len);
+
+    if (read != out.len) {
+        err("fileReadWholeFP: fileRead failed, should be %zu but is %zu", out.len, read);
+        arenaPop(arena, out.len + 1);
+        return (str_t){0};
     }
 
-    fsize = fileTell(ctx);
+    return out;
-    fileRewind(ctx);
-
-    vecReserve(contents, fsize);
-    if(!contents) {
-        err("file: couldn't allocate buffer");
-        goto failed;
-    }
-
-    read = fileRead(ctx, contents, fsize);
-    if(read != fsize) {
-        err("file: read wrong amount of bytes: %zu instead of %zu", read, fsize);
-        goto failed_free;
-    }
-
-    _veclen(contents) = read;
-
-failed:
-    return contents;
-failed_free:
-    vecFree(contents);
-    return contents;    
 }
 
-vec(uint8) fileReadWhole(const char *fname) {
+bool fileWriteWhole(arena_t scratch, strview_t name, const void *buf, usize len) {
-    file_t fp = fileOpen(fname, FILE_READ);
+    file_t fp = fileOpen(scratch, name, FILE_WRITE);
-    if (!fileIsValid(fp)) return NULL;
-    vec(uint8) contents = fileReadWholeFP(fp);
-    fileClose(fp);
-    return contents;
-}
-
-vec(uint8) fileReadWholeFP(file_t ctx) {
-    return _readWholeInternalVec(ctx);
-}
-
-str_t fileReadWholeText(const char *fname) {
-    file_t fp = fileOpen(fname, FILE_READ);
-    if(!fileIsValid(fp)) {
-        err("couldn't open file %s", fname);
-        return strInit();
-    }
-    str_t contents = fileReadWholeTextFP(fp);
-    fileClose(fp);
-    return contents;
-}
-
-str_t fileReadWholeTextFP(file_t ctx) {
-    return _readWholeInternalStr(ctx);
-}
-
-bool fileWriteWhole(const char *fname, filebuf_t data) {
-    file_t fp = fileOpen(fname, FILE_WRITE);
     if (!fileIsValid(fp)) {
-        err("couldn't open file %s", fname);
         return false;
     }
-    bool res = fileWriteWholeFP(fp, data);
+    usize written = fileWrite(fp, buf, len);
     fileClose(fp);
-    return res;
+    return written == len;
 }
 
-bool fileWriteWholeFP(file_t ctx, filebuf_t data) {
+uint64 fileGetTime(arena_t scratch, strview_t name) {
-    usize written = fileWrite(ctx, data.buf, data.len);
+    return fileGetTimeFP(fileOpen(scratch, name, FILE_READ));
-    return written == data.len;
 }
 
-bool fileWriteWholeText(const char *fname, strview_t string) {
+#include "warnings/colla_warn_end.h"
-    file_t fp = fileOpen(fname, FILE_WRITE);
-    if (!fileIsValid(fp)) {
-        err("couldn't open file %s", fname);
-        return false;
-    }
-    bool res = fileWriteWholeTextFP(fp, string);
-    fileClose(fp);
-    return res;
-}
-
-bool fileWriteWholeTextFP(file_t ctx, strview_t string) {
-    return fileWriteWholeFP(ctx, (filebuf_t){ (uint8 *)string.buf, string.len });
-}
-
-uint64 fileGetTimePath(const char *path) {
-    file_t fp = fileOpen(path, FILE_READ);
-    if (!fileIsValid(fp)) {
-        return 0;
-    }
-    uint64 fp_time = fileGetTime(fp);
-    fileClose(fp);
-    return fp_time;
-}

colla/file.h

@@ -1,38 +1,32 @@
 #pragma once
 
-#ifdef __cplusplus
+#include <stdarg.h>
-extern "C" {
-#endif
 
 #include "collatypes.h"
 #include "str.h"
-#include "vec.h"
+#include "arena.h"
 
 typedef enum {
     FILE_READ   = 1 << 0,
     FILE_WRITE  = 1 << 1,
-    FILE_CLEAR = 1 << 2, 
+    FILE_APPEND = 1 << 2,
-    FILE_BOTH  = 1 << 3
+} filemode_e;
-} filemode_t;
-
-typedef uintptr_t file_t;
 
 typedef struct {
-    const uint8 *buf;
+    uintptr_t handle;
-    usize len;
+} file_t;
-} filebuf_t;
 
-bool fileExists(const char *fname);
+bool fileExists(const char *name);
 
-file_t fileOpen(const char *fname, filemode_t mode);
+file_t fileOpen(arena_t scratch, strview_t name, filemode_e mode);
 void fileClose(file_t ctx);
 
 bool fileIsValid(file_t ctx);
 
 bool filePutc(file_t ctx, char c);
-bool filePuts(file_t ctx, const char *str);
+bool filePuts(file_t ctx, strview_t v);
-bool filePutstr(file_t ctx, str_t str);
+bool filePrintf(arena_t scratch, file_t ctx, const char *fmt, ...);
-bool filePutview(file_t ctx, strview_t view);
+bool filePrintfv(arena_t scratch, file_t ctx, const char *fmt, va_list args);
 
 usize fileRead(file_t ctx, void *buf, usize len);
 usize fileWrite(file_t ctx, const void *buf, usize len);
@@ -40,23 +34,16 @@ usize fileWrite(file_t ctx, const void *buf, usize len);
 bool fileSeekEnd(file_t ctx);
 void fileRewind(file_t ctx);
 
-uint64 fileTell(file_t ctx);
+usize fileTell(file_t ctx);
+usize fileSize(file_t ctx);
 
-vec(uint8) fileReadWhole(const char *fname);
+buffer_t fileReadWhole(arena_t *arena, arena_t scratch, strview_t name);
-vec(uint8) fileReadWholeFP(file_t ctx);
+buffer_t fileReadWholeFP(arena_t *arena, file_t ctx);
 
-str_t fileReadWholeText(const char *fname);
+str_t fileReadWholeStr(arena_t *arena, arena_t scratch, strview_t name);
-str_t fileReadWholeTextFP(file_t ctx);
+str_t fileReadWholeStrFP(arena_t *arena, file_t ctx);
 
-bool fileWriteWhole(const char *fname, filebuf_t data);
+bool fileWriteWhole(arena_t scratch, strview_t name, const void *buf, usize len);
-bool fileWriteWholeFP(file_t ctx, filebuf_t data);
 
-bool fileWriteWholeText(const char *fname, strview_t string);
+uint64 fileGetTime(arena_t scratch, strview_t name);
-bool fileWriteWholeTextFP(file_t ctx, strview_t string);
+uint64 fileGetTimeFP(file_t ctx);
-
-uint64 fileGetTime(file_t ctx);
-uint64 fileGetTimePath(const char *path);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif

colla/format.c

@@ -0,0 +1,60 @@
+#include "format.h"
+
+#define STB_SPRINTF_DECORATE(name) stb_##name
+#define STB_SPRINTF_NOUNALIGNED
+#define STB_SPRINTF_IMPLEMENTATION
+#include "stb/stb_sprintf.h"
+
+#include "arena.h"
+
+static char *fmt__stb_callback(const char *buf, void *ud, int len) {
+    printf("%s", buf);
+    return (char *)ud;
+}
+
+int fmtPrint(const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int out = fmtPrintv(fmt, args);
+    va_end(args);
+    return out;
+}
+
+int fmtPrintv(const char *fmt, va_list args) {
+    char buffer[STB_SPRINTF_MIN];
+    return stb_vsprintfcb(fmt__stb_callback, buffer, buffer, fmt, args);
+}
+
+int fmtBuffer(char *buffer, usize buflen, const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int out = fmtBufferv(buffer, buflen, fmt, args);
+    va_end(args);
+    return out;
+}
+
+int fmtBufferv(char *buffer, usize buflen, const char *fmt, va_list args) {
+    return stb_vsnprintf(buffer, (int)buflen, fmt, args);
+}
+
+#if 0
+str_t fmtStr(Arena *arena, const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    str_t out = fmtStrv(arena, fmt, args);
+    va_end(args);
+    return out;
+}
+
+str_t fmtStrv(Arena *arena, const char *fmt, va_list args) {
+    va_list vcopy;
+    va_copy(vcopy, args);
+    int len = stb_vsnprintf(NULL, 0, fmt, vcopy);
+    va_end(vcopy);
+
+    char *buffer = alloc(arena, char, len + 1);
+    stb_vsnprintf(buffer, len + 1, fmt, args);
+
+    return (str_t){ .buf = buffer, .len = (usize)len };
+}
+#endif

colla/format.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdarg.h>
+
+typedef struct arena_t arena_t;
+
+int fmtPrint(const char *fmt, ...);
+int fmtPrintv(const char *fmt, va_list args);
+
+int fmtBuffer(char *buffer, usize buflen, const char *fmt, ...);
+int fmtBufferv(char *buffer, usize buflen, const char *fmt, va_list args);

colla/http.c

@@ -1,474 +1,507 @@
 #include "http.h"
 
-#include <string.h>
+#include "warnings/colla_warn_beg.h"
-#include <stdio.h>
-#include <stdlib.h>
 
-// #include "os.h"
+#include "arena.h"
+#include "strstream.h"
+#include "format.h"
+#include "socket.h"
 #include "tracelog.h"
 
-#include "vec.h"
+#if COLLA_WIN 
+    #if COLLA_CMT_LIB
+    #pragma comment(lib, "Wininet")
+    #endif
 
-#ifdef _WIN32
+    #include <windows.h>
-    #define stricmp _stricmp
+    #include <wininet.h>
-#else
-    #include <strings.h> // strcasecmp
-    #define stricmp strcasecmp
 #endif
 
-// == INTERNAL ================================================================
+static const TCHAR *https__get_method_str(http_method_e method);
 
-static void _setField(vec(http_field_t) *fields_vec, const char *key, const char *value) {
+static http_header_t *http__parse_headers(arena_t *arena, instream_t *in) {
-    vec(http_field_t) fields = *fields_vec;
+    http_header_t *head = NULL;
-
+    strview_t line = (strview_t){0};
-    for (uint32 i = 0; i < vecLen(fields); ++i) {
-        if (stricmp(fields[i].key, key) == 0) {
-            char **curval = &fields[i].value;
-            usize curlen = strlen(*curval);
-            usize newlen = strlen(value);
-            if(newlen > curlen) {
-                *curval = (char *)realloc(*curval, newlen + 1);
-            }
-            memcpy(*curval, value, newlen);
-            (*curval)[newlen] = '\0';
-            return;
-        }
-    }
-
-    // otherwise, add it to the list
-    http_field_t field;
-    usize klen = strlen(key);
-    usize vlen = strlen(value);
-    field.key = (char *)malloc(klen + 1);
-    field.value = (char *)malloc(vlen + 1);
-    memcpy(field.key, key, klen);
-    memcpy(field.value, value, vlen);
-    field.key[klen] = field.value[vlen] = '\0';
-
-    vecAppend(*fields_vec, field);
-}
-
-static void _parseFields(vec(http_field_t) *fields, str_istream_t *in) {
-    strview_t line;
 
     do {
-        line = istrGetview(in, '\r');
+        line = istrGetView(in, '\r');
 
         usize pos = strvFind(line, ':', 0);
-        if(pos != STRV_NOT_FOUND) {
+        if (pos != STR_NONE) {
-            strview_t key = strvSub(line, 0, pos);
+            http_header_t *h = alloc(arena, http_header_t);
-            strview_t value = strvSub(line, pos + 2, SIZE_MAX);
 
-            char *key_str = NULL;
+            h->key   = strvSub(line, 0, pos);
-            char *value_str = NULL;
+            h->value = strvSub(line, pos + 2, SIZE_MAX);
             
-            key_str = strvCopy(key).buf;
+            h->next = head;
-            value_str = strvCopy(value).buf;
+            head = h;
-
-            _setField(fields, key_str, value_str);
-
-            free(key_str);
-            free(value_str);
         }
 
         istrSkip(in, 2); // skip \r\n
-    } while(line.len > 2);
+    } while (line.len > 2); // while line != "\r\n"
+
+    return head;
 }
 
-// == HTTP STATUS =============================================================
+const char *httpGetStatusString(int status) {
-
-const char *httpGetStatusString(resstatus_t status) {
     switch (status) {
-        case STATUS_OK: return "OK";              
+        case 200: return "OK";              
-        case STATUS_CREATED: return "CREATED";         
+        case 201: return "CREATED";         
-        case STATUS_ACCEPTED: return "ACCEPTED";        
+        case 202: return "ACCEPTED";        
-        case STATUS_NO_CONTENT: return "NO CONTENT";      
+        case 204: return "NO CONTENT";      
-        case STATUS_RESET_CONTENT: return "RESET CONTENT";   
+        case 205: return "RESET CONTENT";   
-        case STATUS_PARTIAL_CONTENT: return "PARTIAL CONTENT"; 
+        case 206: return "PARTIAL CONTENT"; 
-        case STATUS_MULTIPLE_CHOICES: return "MULTIPLE CHOICES";    
+
-        case STATUS_MOVED_PERMANENTLY: return "MOVED PERMANENTLY";   
+        case 300: return "MULTIPLE CHOICES";    
-        case STATUS_MOVED_TEMPORARILY: return "MOVED TEMPORARILY";   
+        case 301: return "MOVED PERMANENTLY";   
-        case STATUS_NOT_MODIFIED: return "NOT MODIFIED";        
+        case 302: return "MOVED TEMPORARILY";   
-        case STATUS_BAD_REQUEST: return "BAD REQUEST";             
+        case 304: return "NOT MODIFIED";        
-        case STATUS_UNAUTHORIZED: return "UNAUTHORIZED";            
+
-        case STATUS_FORBIDDEN: return "FORBIDDEN";               
+        case 400: return "BAD REQUEST";             
-        case STATUS_NOT_FOUND: return "NOT FOUND";               
+        case 401: return "UNAUTHORIZED";            
-        case STATUS_RANGE_NOT_SATISFIABLE: return "RANGE NOT SATISFIABLE";   
+        case 403: return "FORBIDDEN";               
-        case STATUS_INTERNAL_SERVER_ERROR: return "INTERNAL SERVER_ERROR";   
+        case 404: return "NOT FOUND";               
-        case STATUS_NOT_IMPLEMENTED: return "NOT IMPLEMENTED";         
+        case 407: return "RANGE NOT SATISFIABLE";   
-        case STATUS_BAD_GATEWAY: return "BAD GATEWAY";             
+
-        case STATUS_SERVICE_NOT_AVAILABLE: return "SERVICE NOT AVAILABLE";   
+        case 500: return "INTERNAL SERVER_ERROR";   
-        case STATUS_GATEWAY_TIMEOUT: return "GATEWAY TIMEOUT";         
+        case 501: return "NOT IMPLEMENTED";         
-        case STATUS_VERSION_NOT_SUPPORTED: return "VERSION NOT SUPPORTED";   
+        case 502: return "BAD GATEWAY";             
+        case 503: return "SERVICE NOT AVAILABLE";   
+        case 504: return "GATEWAY TIMEOUT";         
+        case 505: return "VERSION NOT SUPPORTED";   
     }
+    
     return "UNKNOWN";
 }
 
-// == HTTP VERSION ============================================================
-
 int httpVerNumber(http_version_t ver) {
     return (ver.major * 10) + ver.minor;
 }
 
-// == HTTP REQUEST ============================================================
+http_req_t httpParseReq(arena_t *arena, strview_t request) {
+    http_req_t req = {0};
+    instream_t in = istrInitLen(request.buf, request.len);
 
-http_request_t reqInit() {
+    strview_t method = strvTrim(istrGetView(&in, '/'));
-    http_request_t req = {0};
-    reqSetUri(&req, strvInit(""));
-    req.version = (http_version_t){1, 1};
-    return req;
-}
-
-http_request_t reqParse(const char *request) {
-    http_request_t req = {0};
-    str_istream_t in = istrInit(request);
-
-    // get data
-
-    strview_t method = strvTrim(istrGetview(&in, '/'));
     istrSkip(&in, 1); // skip /
-    strview_t page   = strvTrim(istrGetview(&in, ' '));
+    req.url          = strvTrim(istrGetView(&in, ' '));
-    strview_t http   = strvTrim(istrGetview(&in, '\n'));
+    strview_t http   = strvTrim(istrGetView(&in, '\n'));
 
     istrSkip(&in, 1); // skip \n
 
-    _parseFields(&req.fields, &in);
+    req.headers = http__parse_headers(arena, &in);
 
-    strview_t body = strvTrim(istrGetviewLen(&in, 0, SIZE_MAX));
+    req.body = strvTrim(istrGetViewLen(&in, SIZE_MAX));
 
-    // parse data
+    strview_t methods[] = { strv("GET"), strv("POST"), strv("HEAD"), strv("PUT"), strv("DELETE") };
+    usize methods_count = arrlen(methods);
 
-    // -- method
+    for (usize i = 0; i < methods_count; ++i) {
-    const char *methods[] = { "GET", "POST", "HEAD", "PUT", "DELETE" };
+        if (strvEquals(method, methods[i])) {
-    const int methods_count = sizeof(methods) / sizeof(*methods);
+            req.method = (http_method_e)i;
-
+            break;
-    for (int i = 0; i < methods_count; ++i) {
-        if (strvCompare(method, strvInit(methods[i])) == 0) {
-            req.method = (reqtype_t)i;
         }
     }
 
-    // -- page
-    req.uri = strvCopy(page).buf;
-
-    // -- http
     in = istrInitLen(http.buf, http.len);
     istrIgnoreAndSkip(&in, '/'); // skip HTTP/
-    istrGetu8(&in, &req.version.major);
+    istrGetU8(&in, &req.version.major);
     istrSkip(&in, 1); // skip .
-    istrGetu8(&in, &req.version.minor);
+    istrGetU8(&in, &req.version.minor);
-
-    // -- body
-    req.body = strvCopy(body).buf;
 
     return req;
 }
 
-void reqFree(http_request_t ctx) {
+http_res_t httpParseRes(arena_t *arena, strview_t response) {
-    for (http_field_t *it = ctx.fields; it != vecEnd(ctx.fields); ++it) {
+    http_res_t res = {0};
-        free(it->key);
+    instream_t in = istrInitLen(response.buf, response.len);
-        free(it->value);
-    }
-    vecFree(ctx.fields);
-    free(ctx.uri);
-    free(ctx.body);
-}
 
-bool reqHasField(http_request_t *ctx, const char *key) {
+    strview_t http = istrGetViewLen(&in, 5);
-    for(uint32 i = 0; i < vecLen(ctx->fields); ++i) {
+    if (!strvEquals(http, strv("HTTP"))) {
-        if(stricmp(ctx->fields[i].key, key) == 0) {
+        err("response doesn't start with 'HTTP', instead with %v", http);
-            return true;
+        return (http_res_t){0};
-        }
-    }
-    return false;
-}
-
-void reqSetField(http_request_t *ctx, const char *key, const char *value) {
-    _setField(&ctx->fields, key, value);
-}
-
-void reqSetUri(http_request_t *ctx, strview_t uri) {
-    if (strvIsEmpty(uri)) return;
-    free(ctx->uri);
-    if (uri.buf[0] == '/') {
-        strvRemovePrefix(uri, 1);
-    }
-    ctx->uri = strvCopy(uri).buf;
-}
-
-str_ostream_t reqPrepare(http_request_t *ctx) {
-    str_ostream_t out = ostrInitLen(1024);
-
-    const char *method = NULL;
-    switch(ctx->method) {
-    case REQ_GET:    method = "GET";    break;
-    case REQ_POST:   method = "POST";   break;
-    case REQ_HEAD:   method = "HEAD";   break;
-    case REQ_PUT:    method = "PUT";    break;
-    case REQ_DELETE: method = "DELETE"; break;
-    default: err("unrecognized method: %d", method); goto error;
-    }
-
-    ostrPrintf(&out, "%s /%s HTTP/%hhu.%hhu\r\n", 
-        method, ctx->uri, ctx->version.major, ctx->version.minor
-    );
-
-    for(uint32 i = 0; i < vecLen(ctx->fields); ++i) {
-        ostrPrintf(&out, "%s: %s\r\n", ctx->fields[i].key, ctx->fields[i].value);
-    }
-
-    ostrAppendview(&out, strvInit("\r\n"));
-    if(ctx->body) {
-        ostrAppendview(&out, strvInit(ctx->body));
-    }
-
-error:
-    return out;
-}
-
-str_t reqString(http_request_t *ctx) {
-    str_ostream_t out = reqPrepare(ctx);
-    return ostrAsStr(out);
-}
-
-// == HTTP RESPONSE ===========================================================
-
-http_response_t resParse(const char *data) {
-    http_response_t ctx = {0};
-    str_istream_t in = istrInit(data);
-
-    char hp[5];
-    istrGetstringBuf(&in, hp, 5);
-    if(stricmp(hp, "http") != 0) {
-        err("response doesn't start with 'HTTP', instead with %c%c%c%c", hp[0], hp[1], hp[2], hp[3]);
-        return ctx;
     }
     istrSkip(&in, 1); // skip /
-    istrGetu8(&in, &ctx.version.major);
+    istrGetU8(&in, &res.version.major);
     istrSkip(&in, 1); // skip .
-    istrGetu8(&in, &ctx.version.minor);
+    istrGetU8(&in, &res.version.minor);
-    istrGeti32(&in, (int32*)&ctx.status_code);
+    istrGetI32(&in, (int32*)&res.status_code);
 
     istrIgnore(&in, '\n');
     istrSkip(&in, 1); // skip \n
 
-    resParseFields(&ctx, &in);
+    res.headers = http__parse_headers(arena, &in);
 
-    const char *tran_encoding = resGetField(&ctx, "transfer-encoding");
+    strview_t encoding = httpGetHeader(res.headers, strv("transfer-encoding"));
-    if(tran_encoding == NULL || stricmp(tran_encoding, "chunked")  != 0) {
+    if (!strvEquals(encoding, strv("chunked"))) {
-        strview_t body = istrGetviewLen(&in, 0, SIZE_MAX);
+        res.body = istrGetViewLen(&in, SIZE_MAX);
-        vecClear(ctx.body);
-        vecReserve(ctx.body, body.len);
-        memcpy(ctx.body, body.buf, body.len);
     }
     else {
-        // fatal("chunked encoding not implemented yet");
+        err("chunked encoding not implemented yet! body ignored");
-        err("chunked encoding not implemented yet");
     }
 
-    return ctx;
+    return res;
 }
 
-void resFree(http_response_t ctx) {
+str_t httpReqToStr(arena_t *arena, http_req_t *req) {
-    for (http_field_t *it = ctx.fields; it != vecEnd(ctx.fields); ++it) {
+    outstream_t out = ostrInit(arena);
-        free(it->key);
+
-        free(it->value);
+    const char *method = NULL;
+    switch (req->method) {
+        case HTTP_GET:    method = "GET";       break;
+        case HTTP_POST:   method = "POST";      break;
+        case HTTP_HEAD:   method = "HEAD";      break;
+        case HTTP_PUT:    method = "PUT";       break;
+        case HTTP_DELETE: method = "DELETE";    break;
+        default: err("unrecognised method: %d", method); return (str_t){0};
     }
-    vecFree(ctx.fields);
+
-    vecFree(ctx.body);
+    ostrPrintf(
+        &out, 
+        "%s /%v HTTP/%hhu.%hhu\r\n",
+        method, req->url, req->version.major, req->version.minor
+    );
+
+    http_header_t *h = req->headers;
+    while (h) {
+        ostrPrintf(&out, "%v: %v\r\n", h->key, h->value);
+        h = h->next;
+    }
+
+    ostrPuts(&out, strv("\r\n"));
+    ostrPuts(&out, req->body);
+
+    return ostrAsStr(&out);
 }
 
-bool resHasField(http_response_t *ctx, const char *key) {
+str_t httpResToStr(arena_t *arena, http_res_t *res) {
-    for(uint32 i = 0; i < vecLen(ctx->fields); ++i) {
+    outstream_t out = ostrInit(arena);
-        if(stricmp(ctx->fields[i].key, key) == 0) {
+
+    ostrPrintf(
+        &out,
+        "HTTP/%hhu.%hhu %d %s\r\n",
+        res->version.major, 
+        res->version.minor,
+        res->status_code, 
+        httpGetStatusString(res->status_code)
+    );
+    ostrPuts(&out, strv("\r\n"));
+    ostrPuts(&out, res->body);
+
+    return ostrAsStr(&out);
+}
+
+bool httpHasHeader(http_header_t *headers, strview_t key) {
+    http_header_t *h = headers;
+    while (h) {
+        if (strvEquals(h->key, key)) {
             return true;
         }
+        h = h->next;
     }
     return false;
 }
 
-void resSetField(http_response_t *ctx, const char *key, const char *value) {
+void httpSetHeader(http_header_t *headers, strview_t key, strview_t value) {
-    _setField(&ctx->fields, key, value);
+    http_header_t *h = headers;
+    while (h) {
+        if (strvEquals(h->key, key)) {
+            h->value = value;
+            break;
+        }
+        h = h->next;
+    }
 }
 
-const char *resGetField(http_response_t *ctx, const char *field) {
+strview_t httpGetHeader(http_header_t *headers, strview_t key) {
-    for(uint32 i = 0; i < vecLen(ctx->fields); ++i) {
+    http_header_t *h = headers;
-        if(stricmp(ctx->fields[i].key, field) == 0) {
+    while (h) {
-            return ctx->fields[i].value;
+        if (strvEquals(h->key, key)) {
+            return h->value;
         }
+        h = h->next;
     }
-    return NULL;
+    return (strview_t){0};
 }
 
-void resParseFields(http_response_t *ctx, str_istream_t *in) {
+str_t httpMakeUrlSafe(arena_t *arena, strview_t string) {
-    _parseFields(&ctx->fields, in);
+    strview_t chars = strv(" !\"#$%%&'()*+,/:;=?@[]");
-}
+    usize final_len = string.len;
 
-str_ostream_t resPrepare(http_response_t *ctx) {
+    // find final string length first
-    str_ostream_t out = ostrInitLen(1024);
+    for (usize i = 0; i < string.len; ++i) {
-
+        if (strvContains(chars, string.buf[i])) {
-    ostrPrintf(
+            final_len += 2;
-        &out, "HTTP/%hhu.%hhu %d %s\r\n", 
+        }
-        ctx->version.major, ctx->version.minor, 
+    }
-        ctx->status_code, httpGetStatusString(ctx->status_code)
+    
-    );
+    str_t out = {
-    for (http_field_t *field = ctx->fields; field != vecEnd(ctx->fields); ++field) {
+        .buf = alloc(arena, char, final_len + 1),
-        ostrPrintf(&out, "%s: %s\r\n", field->key, field->value);
+        .len = final_len
+    };
+    usize cur = 0;
+    // substitute characters
+    for (usize i = 0; i < string.len; ++i) {
+        if (strvContains(chars, string.buf[i])) {
+            fmtBuffer(out.buf + cur, 4, "%%%X", string.buf[i]);
+            cur += 3;
+        }
+        else {
+            out.buf[cur++] = string.buf[i];
+        }
     }
-    ostrPuts(&out, "\r\n");
-    ostrAppendview(&out, strvInitLen(ctx->body, vecLen(ctx->body)));
 
     return out;
 }
 
-str_t resString(http_response_t *ctx) {
+http_url_t httpSplitUrl(strview_t url) {
-    str_ostream_t out = resPrepare(ctx);
+    http_url_t out = {0};
-    return ostrAsStr(out);
+
+    if (strvStartsWithView(url, strv("https://"))) {
+        url = strvRemovePrefix(url, 8);
+    }
+    else if (strvStartsWithView(url, strv("http://"))) {
+        url = strvRemovePrefix(url, 7);
+    }
+
+    out.host = strvSub(url, 0, strvFind(url, '/', 0));
+    out.uri = strvSub(url, out.host.len, SIZE_MAX);
+
+    return out;
 }
 
-// == HTTP CLIENT =============================================================
+http_res_t httpRequest(http_request_desc_t *request) {
+    usize arena_begin = arenaTell(request->arena);
 
-http_client_t hcliInit() {
+    http_req_t req = {
-    return (http_client_t) {
+        .version = (http_version_t){ 1, 1 },
-        .port = 80,
+        .url = request->url,
+        .body = request->body,
+        .method = request->request_type,
     };
-}
 
-void hcliFree(http_client_t ctx) {
+    http_header_t *h = NULL;
-    strFree(ctx.host_name);
-}
 
-void hcliSetHost(http_client_t *ctx, strview_t hostname) {
+    for (int i = 0; i < request->header_count; ++i) {
-    // if the hostname starts with http:// (case insensitive)
+        http_header_t *header = request->headers + i;
-    if(strvICompare(strvSub(hostname, 0, 7), strvInit("http://")) == 0) {
+        header->next = h;
-        ctx->host_name = strvCopy(strvSub(hostname, 7, SIZE_MAX));
+        h = header;
-    }
-    else if(strvICompare(strvSub(hostname, 0, 8), strvInit("https://")) == 0) {
-        err("HTTPS protocol not yet supported");
-        return;
-    }
-    else {
-        // undefined protocol, use HTTP
-        ctx->host_name = strvCopy(hostname);
-    }
-}
-
-http_response_t hcliSendRequest(http_client_t *ctx, http_request_t *req) {
-    if (strBack(ctx->host_name) == '/') {
-        ctx->host_name.buf[--ctx->host_name.len] = '\0';
-    }
-    if(!reqHasField(req, "Host")) {
-        reqSetField(req, "Host", ctx->host_name.buf);
-    }
-    if(!reqHasField(req, "Content-Length")) {
-        if(req->body) {
-            str_ostream_t out = ostrInitLen(20);
-            ostrAppendu64(&out, strlen(req->body));
-            reqSetField(req, "Content-Length", out.buf);
-            ostrFree(out);
-        }
-        else {
-            reqSetField(req, "Content-Length", "0");
-        }
-    }
-    if(req->method == REQ_POST && !reqHasField(req, "Content-Type")) {
-        reqSetField(req, "Content-Type", "application/x-www-form-urlencoded");
-    }
-    if(httpVerNumber(req->version) >= 11 && !reqHasField(req, "Connection")) {
-        reqSetField(req, "Connection", "close");
     }
 
-    http_response_t res = {0};
+    req.headers = h;
-    str_t req_str = strInit();
-    str_ostream_t received = ostrInitLen(1024);
     
-    if(!skInit()) {
+    http_url_t url = httpSplitUrl(req.url);
-        err("couldn't initialize sockets %s", skGetErrorString());
+    
-        goto skopen_error;
+    if (strvEndsWith(url.host, '/')) {
+        url.host = strvRemoveSuffix(url.host, 1);
     }
 
-    ctx->socket = skOpen(SOCK_TCP);
+    if (!httpHasHeader(req.headers, strv("Host"))) {
-    if(ctx->socket == INVALID_SOCKET) {
+        httpSetHeader(req.headers, strv("Host"), url.host);
-        err("couldn't open socket %s", skGetErrorString());
+    }
+    if (!httpHasHeader(req.headers, strv("Content-Length"))) {
+        char tmp[16] = {0};
+        fmtBuffer(tmp, arrlen(tmp), "%zu", req.body.len);
+        httpSetHeader(req.headers, strv("Content-Length"), strv(tmp));
+    }
+    if (req.method == HTTP_POST && !httpHasHeader(req.headers, strv("Content-Type"))) {
+        httpSetHeader(req.headers, strv("Content-Type"), strv("application/x-www-form-urlencoded"));
+    }
+    if (!httpHasHeader(req.headers, strv("Connection"))) {
+        httpSetHeader(req.headers, strv("Connection"), strv("close"));
+    }
+
+    if (!skInit()) {
+        err("couldn't initialise sockets: %s", skGetErrorString());
         goto error;
     }
 
-    if(skConnect(ctx->socket, ctx->host_name.buf, ctx->port)) {
+    socket_t sock = skOpen(SOCK_TCP);
-        req_str = reqString(req);
+    if (!skIsValid(sock)) {
-        if(req_str.len == 0) {
+        err("couldn't open socket: %s", skGetErrorString());
+        goto error;
+    }
+
+    char hostname[64] = {0};
+    assert(url.host.len < arrlen(hostname));
+    memcpy(hostname, url.host.buf, url.host.len);
+
+    const int DEFAULT_HTTP_PORT = 80;
+    if (!skConnect(sock, hostname, DEFAULT_HTTP_PORT)) {
+        err("Couldn't connect to host %s: %s", hostname, skGetErrorString());
+        goto error;
+    }
+
+    str_t reqstr = httpReqToStr(request->arena, &req);
+    if (strIsEmpty(reqstr)) {
         err("couldn't get string from request");
         goto error;
     }
 
-        if(skSend(ctx->socket, req_str.buf, (int)req_str.len) == SOCKET_ERROR) {
+    if (skSend(sock, reqstr.buf, (int)reqstr.len) == -1) {
         err("couldn't send request to socket: %s", skGetErrorString());
         goto error;
     }
 
-        char buffer[1024];
+    outstream_t response = ostrInit(request->arena);
+    char buffer[4096];
     int read = 0;
     do {
-            read = skReceive(ctx->socket, buffer, sizeof(buffer));
+        read = skReceive(sock, buffer, arrlen(buffer));
-            if(read == -1) {
+        if (read == -1) {
             err("couldn't get the data from the server: %s", skGetErrorString());
             goto error;
         }
-            ostrAppendview(&received, strvInitLen(buffer, read));
+        ostrPuts(&response, strv(buffer, read));
-        } while(read != 0);
+    } while (read != 0);
 
-        // if the data received is not null terminated
+    if (!skClose(sock)) {
-        if(*(received.buf + received.len) != '\0') {
+        err("couldn't close socket: %s", skGetErrorString());
-            ostrPutc(&received, '\0');
-            received.len--;
     }
 
-        res = resParse(received.buf);
+    if (!skCleanup()) {
-    }
+        err("couldn't clean up sockets: %s", skGetErrorString());
-    else {
-        err("Couldn't connect to host %s -> %s", ctx->host_name, skGetErrorString());
     }
 
-    if(!skClose(ctx->socket)) {
+    return httpParseRes(request->arena, ostrAsView(&response));
-        err("Couldn't close socket");
-    }
 
 error:
-    if(!skCleanup()) {
+    arenaRewind(request->arena, arena_begin);
-        err("couldn't clean up sockets %s", skGetErrorString());
+    skCleanup();
-    }
+    return (http_res_t){0};
-skopen_error:
-    strFree(req_str);
-    ostrFree(received);
-    return res;
 }
 
-http_response_t httpGet(strview_t hostname, strview_t uri) {
+#if COLLA_WIN
-    http_request_t request = reqInit();
-    request.method = REQ_GET;
-    reqSetUri(&request, uri);
 
-    http_client_t client = hcliInit();
+buffer_t httpsRequest(http_request_desc_t *req) {
-    hcliSetHost(&client, hostname);
+    HINTERNET internet = InternetOpen(
-
+        TEXT("COLLA"), 
-    http_response_t res = hcliSendRequest(&client, &request);
+        INTERNET_OPEN_TYPE_PRECONFIG,
-
+        NULL,
-    reqFree(request);
+        NULL,
-    hcliFree(client);
+        0
-
+    );
-    return res;
+    if (!internet) {
-}
+        fatal("call to InternetOpen failed: %u", GetLastError());
-
-url_split_t urlSplit(strview_t uri) {
-    url_split_t out = {0};
-
-    if (strvStartsWithView(uri, strvInit("https://"))) {
-        uri = strvRemovePrefix(uri, 8);
-    }
-    else if (strvStartsWithView(uri, strvInit("http://"))) {
-        uri = strvRemovePrefix(uri, 7);
     }
 
-    out.host = strvSub(uri, 0, strvFind(uri, '/', 0));
+    http_url_t split = httpSplitUrl(req->url);
-    out.uri = strvSub(uri, out.host.len, SIZE_MAX);
+    strview_t server = split.host;
-    return out;
+    strview_t page = split.uri;
+
+    if (strvStartsWithView(server, strv("http://"))) {
+        server = strvRemovePrefix(server, 7);
+    }
+
+    if (strvStartsWithView(server, strv("https://"))) {
+        server = strvRemovePrefix(server, 8);
+    }
+
+    arena_t scratch = *req->arena;
+    const TCHAR *tserver = strvToTChar(&scratch, server);
+    const TCHAR *tpage = strvToTChar(&scratch, page);
+
+    HINTERNET connection = InternetConnect(
+        internet,
+        tserver,
+        INTERNET_DEFAULT_HTTPS_PORT,
+        NULL,
+        NULL,
+        INTERNET_SERVICE_HTTP,
+        0,
+        (DWORD_PTR)NULL // userdata
+    );
+    if (!connection) {
+        fatal("call to InternetConnect failed: %u", GetLastError());
+    }
+
+    const TCHAR *accepted_types[] = { TEXT("*/*"), NULL };
+
+    HINTERNET request = HttpOpenRequest(
+        connection,
+        https__get_method_str(req->request_type),
+        tpage,
+        TEXT("HTTP/1.1"),
+        NULL,
+        accepted_types,
+        INTERNET_FLAG_SECURE,
+        (DWORD_PTR)NULL // userdata
+    );
+    if (!request) {
+        fatal("call to HttpOpenRequest failed: %u", GetLastError());
+    }
+
+    outstream_t header = ostrInit(&scratch);
+
+    for (int i = 0; i < req->header_count; ++i) {
+        http_header_t *h = &req->headers[i];
+        ostrClear(&header);
+        ostrPrintf(
+            &header,
+            "%.*s: %.*s\r\n", 
+            h->key.len, h->key.buf, 
+            h->value.len, h->value.buf
+        );
+        str_t header_str = ostrAsStr(&header);
+        HttpAddRequestHeadersA(
+            request,
+            header_str.buf,
+            header_str.len,
+            0
+        );
+    }
+
+    BOOL request_sent = HttpSendRequest(
+        request,
+        NULL,
+        0,
+        (void *)req->body.buf,
+        req->body.len
+    );
+    if (!request_sent) {
+        fatal("call to HttpSendRequest failed: %u", GetLastError());
+    }
+
+    outstream_t out = ostrInit(req->arena);
+
+    while (true) {
+        DWORD bytes_read = 0;
+        char buffer[4096];
+        BOOL read = InternetReadFile(
+            request,
+            buffer,
+            sizeof(buffer),
+            &bytes_read
+        );
+        if (!read || bytes_read == 0) {
+            break;
+        }
+        ostrPuts(&out, strv(buffer, bytes_read));
+    }
+
+    InternetCloseHandle(request);
+    InternetCloseHandle(connection);
+    InternetCloseHandle(internet);
+
+    str_t outstr = ostrAsStr(&out);
+
+    return (buffer_t) {
+        .data = (uint8 *)outstr.buf,
+        .len = outstr.len
+    };
 }
+
+static const TCHAR *https__get_method_str(http_method_e method) {
+    switch (method) {
+        case HTTP_GET:    return TEXT("GET");
+        case HTTP_POST:   return TEXT("POST");
+        case HTTP_HEAD:   return TEXT("HEAD");
+        case HTTP_PUT:    return TEXT("PUT");
+        case HTTP_DELETE: return TEXT("DELETE");
+    }
+    // default GET
+    return NULL;
+}
+#endif
+
+#include "warnings/colla_warn_end.h"

colla/http.h

@@ -1,57 +1,20 @@
 #pragma once
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stddef.h>
-#include <stdbool.h>
-
 #include "collatypes.h"
 #include "str.h"
-#include "strstream.h"
+
-#include "socket.h"
+typedef struct arena_t arena_t;
+typedef uintptr_t socket_t;
 
 typedef enum {
-    REQ_GET,   
+    HTTP_GET,   
-    REQ_POST,    
+    HTTP_POST,    
-    REQ_HEAD,    
+    HTTP_HEAD,    
-    REQ_PUT,    
+    HTTP_PUT,    
-    REQ_DELETE  
+    HTTP_DELETE 
-} reqtype_t;
+} http_method_e;
 
-typedef enum {
+const char *httpGetStatusString(int status);
-    // 2xx: success
-    STATUS_OK              = 200,
-    STATUS_CREATED         = 201,
-    STATUS_ACCEPTED        = 202,
-    STATUS_NO_CONTENT      = 204,
-    STATUS_RESET_CONTENT   = 205,
-    STATUS_PARTIAL_CONTENT = 206,
-
-    // 3xx: redirection
-    STATUS_MULTIPLE_CHOICES  = 300,
-    STATUS_MOVED_PERMANENTLY = 301,
-    STATUS_MOVED_TEMPORARILY = 302,
-    STATUS_NOT_MODIFIED      = 304,
-
-    // 4xx: client error
-    STATUS_BAD_REQUEST           = 400,
-    STATUS_UNAUTHORIZED          = 401,
-    STATUS_FORBIDDEN             = 403,
-    STATUS_NOT_FOUND             = 404,
-    STATUS_RANGE_NOT_SATISFIABLE = 407,
-
-    // 5xx: server error
-    STATUS_INTERNAL_SERVER_ERROR = 500,
-    STATUS_NOT_IMPLEMENTED       = 501,
-    STATUS_BAD_GATEWAY           = 502,
-    STATUS_SERVICE_NOT_AVAILABLE = 503,
-    STATUS_GATEWAY_TIMEOUT       = 504,
-    STATUS_VERSION_NOT_SUPPORTED = 505,
-} resstatus_t;
-
-const char *httpGetStatusString(resstatus_t status);
 
 typedef struct {
     uint8 major;
@@ -61,83 +24,59 @@ typedef struct {
 // translates a http_version_t to a single readable number (e.g. 1.1 -> 11, 1.0 -> 10, etc)
 int httpVerNumber(http_version_t ver);
 
-typedef struct {
+typedef struct http_header_t {
-    char *key;
+    strview_t key;
-    char *value;
+    strview_t value;
-} http_field_t;
+    struct http_header_t *next;
-
+} http_header_t;
-#include "vec.h"
-
-// == HTTP REQUEST ============================================================
 
 typedef struct {
-    reqtype_t method;
+    http_method_e method;
     http_version_t version;
-    vec(http_field_t) fields;
+    http_header_t *headers;
-    char *uri;
+    strview_t url;
-    char *body;
+    strview_t body;
-} http_request_t;
+} http_req_t;
-
-http_request_t reqInit(void);
-http_request_t reqParse(const char *request);
-void reqFree(http_request_t ctx);
-
-bool reqHasField(http_request_t *ctx, const char *key);
-
-void reqSetField(http_request_t *ctx, const char *key, const char *value);
-void reqSetUri(http_request_t *ctx, strview_t uri);
-
-str_ostream_t reqPrepare(http_request_t *ctx);
-str_t reqString(http_request_t *ctx);
-
-// == HTTP RESPONSE ===========================================================
 
 typedef struct {
-    resstatus_t status_code;
+    int status_code;
-    vec(http_field_t) fields;
     http_version_t version;
-    vec(uint8) body;
+    http_header_t *headers;
-} http_response_t;
+    strview_t body;
+} http_res_t;
 
-http_response_t resParse(const char *data);
+// strview_t request needs to be valid for http_req_t to be valid!
-void resFree(http_response_t ctx);
+http_req_t httpParseReq(arena_t *arena, strview_t request);
+http_res_t httpParseRes(arena_t *arena, strview_t response);
 
-bool resHasField(http_response_t *ctx, const char *key);
+str_t httpReqToStr(arena_t *arena, http_req_t *req);
-void resSetField(http_response_t *ctx, const char *key, const char *value);
+str_t httpResToStr(arena_t *arena, http_res_t *res);
-const char *resGetField(http_response_t *ctx, const char *field);
 
-// void resParse(http_response_t *ctx, const char *data);
+bool httpHasHeader(http_header_t *headers, strview_t key);
-void resParseFields(http_response_t *ctx, str_istream_t *in);
+void httpSetHeader(http_header_t *headers, strview_t key, strview_t value);
-str_ostream_t resPrepare(http_response_t *ctx);
+strview_t httpGetHeader(http_header_t *headers, strview_t key);
-str_t resString(http_response_t *ctx);
 
-// == HTTP CLIENT =============================================================
+str_t httpMakeUrlSafe(arena_t *arena, strview_t string);
-
-typedef struct {
-    str_t host_name;
-    uint16 port;
-    socket_t socket;
-} http_client_t;
-
-http_client_t hcliInit(void);
-void hcliFree(http_client_t ctx);
-
-void hcliSetHost(http_client_t *ctx, strview_t hostname);
-http_response_t hcliSendRequest(http_client_t *ctx, http_request_t *request);
-
-// == HTTP ====================================================================
-
-http_response_t httpGet(strview_t hostname, strview_t uri);
-
-// == URL =====================================================================
 
 typedef struct {
     strview_t host;
     strview_t uri;
-} url_split_t;
+} http_url_t;
 
-url_split_t urlSplit(strview_t uri);
+http_url_t httpSplitUrl(strview_t url);
 
-#ifdef __cplusplus
+typedef struct {
-} // extern "C"
+    arena_t *arena;
-#endif
+    strview_t url;
+    http_method_e request_type;
+    http_header_t *headers; 
+    int header_count;
+    strview_t body;
+} http_request_desc_t;
+
+// arena_t *arena, strview_t url, [ http_header_t *headers, int header_count, strview_t body ]
+#define httpGet(arena, url, ...) httpRequest(&(http_request_desc_t){ arena, url, .request_type = HTTP_GET, __VA_ARGS__ })
+#define httpsGet(arena, url, ...) httpsRequest(&(http_request_desc_t){ arena, url, .request_type = HTTP_GET, __VA_ARGS__ })
+
+http_res_t httpRequest(http_request_desc_t *request);
+buffer_t httpsRequest(http_request_desc_t *request);

colla/ini.c

@@ -1,347 +1,267 @@
 #include "ini.h"
 
+#include "warnings/colla_warn_beg.h"
+
+#include <assert.h>
+
 #include "strstream.h"
-#include "file.h"
-#include "tracelog.h"
 
-// == INI READER ========================================================================
+static void ini__parse(arena_t *arena, ini_t *ini, const iniopts_t *options);
 
-static const iniopts_t default_opts = {
+ini_t iniParse(arena_t *arena, strview_t filename, const iniopts_t *options) {
-    .key_value_divider = '='
+    file_t fp = fileOpen(*arena, filename, FILE_READ);
-};
+    ini_t out = iniParseFile(arena, fp, options);
+    fileClose(fp);
+    return out;
+}
 
-static iniopts_t setDefaultOptions(const iniopts_t *options);
+ini_t iniParseFile(arena_t *arena, file_t file, const iniopts_t *options) {
-static initable_t *findTable(ini_t *ctx, strview_t name);
+    str_t data = fileReadWholeStrFP(arena, file);
-static inivalue_t *findValue(vec(inivalue_t) values, strview_t key);
+    return iniParseStr(arena, strv(data), options);
-static void addTable(ini_t *ctx, str_istream_t *in, const iniopts_t *options);
+}
-static void addValue(initable_t *table, str_istream_t *in, const iniopts_t *options);
 
-void _iniParseInternal(ini_t *ini, const iniopts_t *options) {
+ini_t iniParseStr(arena_t *arena, strview_t str, const iniopts_t *options) {
-    // add root table
+    ini_t out = {
-    vecAppend(ini->tables, (initable_t){0});
+        .text = str,
-    str_istream_t in = istrInitLen(ini->text.buf, ini->text.len);
+        .tables = NULL,
-        istrSkipWhitespace(&in);
+    };
-    while (!istrIsFinished(in)) {
+    ini__parse(arena, &out, options);
-        switch(*in.cur) {
+    return out;
-        case '[':
+}
-            addTable(ini, &in, options);
+
-            break;
+initable_t *iniGetTable(ini_t *ctx, strview_t name) {
-        case '#': case ';':
+    initable_t *t = ctx ? ctx->tables : NULL;
-            istrIgnore(&in, '\n');
+    while (t) {
-            break;
+        if (strvEquals(t->name, name)) {
-        default:
+            return t;
-            addValue(&ini->tables[0], &in, options);
-            break;
         }
-        istrSkipWhitespace(&in);
+        t = t->next;
     }
+    return NULL;
 }
 
-ini_t iniParse(const char *filename, const iniopts_t *options) {
+inivalue_t *iniGet(initable_t *ctx, strview_t key) {
-    ini_t ini = { .text = fileReadWholeText(filename) };
+    inivalue_t *v = ctx ? ctx->values : NULL;
-    if (strIsEmpty(ini.text)) return ini;
+    while (v) {
-    iniopts_t opts = setDefaultOptions(options);
+        if (strvEquals(v->key, key)) {
-    _iniParseInternal(&ini, &opts);
+            return v;
-    return ini;
-}
-
-ini_t iniParseString(const char *inistr, const iniopts_t *options) {
-    ini_t ini = { .text = strFromStr(inistr) };
-    if (!options) options = &default_opts;
-    _iniParseInternal(&ini, options);
-    return ini;
-}
-
-void iniFree(ini_t ctx) {
-    strFree(ctx.text);
-    for (uint32 i = 0; i < vecLen(ctx.tables); ++i) {
-        vecFree(ctx.tables[i].values);
         }
-    vecFree(ctx.tables);
+        v = v->next;
-}
-
-initable_t *iniGetTable(ini_t *ctx, const char *name) {
-    if (!name) {
-        return &ctx->tables[0];
-    }
-    else {
-        return findTable(ctx, strvInit(name));
     }
+    return NULL;
 }
 
-inivalue_t *iniGet(initable_t *ctx, const char *key) {
+iniarray_t iniAsArr(arena_t *arena, inivalue_t *value, char delim) {
-    return ctx ? findValue(ctx->values, strvInit(key)) : NULL;
+    strview_t v = value ? value->value : (strview_t){0};
-}
-
-vec(strview_t) iniAsArray(const inivalue_t *value, char delim) {
-    if (!value) return NULL;
     if (!delim) delim = ' ';
 
-    vec(strview_t) out = NULL;
+    strview_t *beg = (strview_t *)arena->current;
-    strview_t v = value->value;
+    usize count = 0;
 
     usize start = 0;
     for (usize i = 0; i < v.len; ++i) {
         if (v.buf[i] == delim) {
-            strview_t arr_val = strvTrim(strvSub(v, start, i));
+            strview_t arrval = strvTrim(strvSub(v, start, i));
-            if (!strvIsEmpty(arr_val)) vecAppend(out, arr_val);
+            if (!strvIsEmpty(arrval)) {
+                strview_t *newval = alloc(arena, strview_t);
+                *newval = arrval;
+                ++count;
+            }
             start = i + 1;
         }
     }
+
     strview_t last = strvTrim(strvSub(v, start, SIZE_MAX));
-    if (!strvIsEmpty(last)) vecAppend(out, last);
+    if (!strvIsEmpty(last)) {
+        strview_t *newval = alloc(arena, strview_t);
+        *newval = last;
+        ++count;
+    }
+
+    return (iniarray_t){
+        .values = beg,
+        .count = count,
+    };
+}
+
+uint64 iniAsUInt(inivalue_t *value) {
+    strview_t v = value ? value->value : (strview_t){0};
+    instream_t in = istrInitLen(v.buf, v.len);
+    uint64 out = 0;
+    if (!istrGetU64(&in, &out)) {
+        out = 0;
+    }
     return out;
 }
 
-vec(strview_t) iniAsArrayU8(const inivalue_t *value, const char *delim) {
+int64 iniAsInt(inivalue_t *value) {
-    if (!value || !delim) return NULL;
+    strview_t v = value ? value->value : (strview_t){0};
-
+    instream_t in = istrInitLen(v.buf, v.len);
-    rune cpdelim = utf8Decode(&delim);
+    int64 out = 0;
-    vec(strview_t) out = NULL;
+    if (!istrGetI64(&in, &out)) {
-    strview_t v = value->value;
+        out = 0;
-
-    const char *start = v.buf;
-    const char *buf = v.buf;
-    const char *prevbuf = buf;
-
-    for(rune cp = utf8Decode(&buf); 
-        buf != (v.buf + v.len); 
-        cp = utf8Decode(&buf)
-    ) {
-        if (cp == cpdelim) {
-            usize start_pos = start - v.buf;
-            usize end_pos = prevbuf - v.buf;
-            strview_t arr_val = strvTrim(strvSub(v, start_pos, end_pos));
-            if (!strvIsEmpty(arr_val)) vecAppend(out, arr_val);
-            // buf has already gone to the next codepoint, skipping the delimiter
-            start = buf;
     }
-        prevbuf = buf;
-    }
-
-    strview_t last = strvTrim(strvSub(v, start - v.buf, SIZE_MAX));
-    if (!strvIsEmpty(last)) vecAppend(out, last);
     return out;
 }
 
-uint64 iniAsUInt(const inivalue_t *value) {
+double iniAsNum(inivalue_t *value) {
-    if (!value) return 0;
+    strview_t v = value ? value->value : (strview_t){0};
-    str_istream_t in = istrInitLen(value->value.buf, value->value.len);
+    instream_t in = istrInitLen(v.buf, v.len);
-    uint64 val = 0;
+    double out = 0;
-    if (!istrGetu64(&in, &val)) val = 0;
+    if (!istrGetDouble(&in, &out)) {
-    return val;
+        out = 0.0;
-}
+    }
-
-int64 iniAsInt(const inivalue_t *value) {
-    if (!value) return 0;
-    str_istream_t in = istrInitLen(value->value.buf, value->value.len);
-    int64 val = 0;
-    if (!istrGeti64(&in, &val)) val = 0;
-    return val;
-}
-
-double iniAsNum(const inivalue_t *value) {
-    if (!value) return 0.f;
-    str_istream_t in = istrInitLen(value->value.buf, value->value.len);
-    double val = 0;
-    if (!istrGetdouble(&in, &val)) val = 0;
-    return val;
-}
-
-bool iniAsBool(const inivalue_t *value) {
-    if (!value) return false;
-    return strvCompare(value->value, strvInit("true")) == 0;
-}
-
-// == INI WRITER ========================================================================
-
-#include "strstream.h"
-#include "file.h"
-
-static const winiopts_t default_wopts = {0};
-
-iniwriter_t winiInit() {
-    iniwriter_t out = {0};
-    vecAppend(out.tables, (winitable_t){0});
     return out;
 }
 
-void winiFree(iniwriter_t ctx) {
+bool iniAsBool(inivalue_t *value) {
-    for (winitable_t *tab = ctx.tables; tab != vecEnd(ctx.tables); ++tab) {
+    strview_t v = value ? value->value : (strview_t){0};
-        strFree(tab->key);
+    instream_t in = istrInitLen(v.buf, v.len);
-        for (winivalue_t *val = tab->values; val != vecEnd(tab->values); ++val) {
+    bool out = 0;
-            strFree(val->key);
+    if (!istrGetBool(&in, &out)) {
-            strFree(val->value);
+        out = false;
     }
-        vecFree(tab->values);
+    return out;
+}
+
+// == PRIVATE FUNCTIONS ==============================================================================
+
+#define INIPUSH(head, tail, val)    \
+    do {                            \
+        if (!head) {                \
+            head = val;             \
+            tail = val;             \
+        }                           \
+        else {                      \
+            tail->next = val;       \
+            val = tail;             \
+        }                           \
+    } while (0)
+
+static iniopts_t ini__get_options(const iniopts_t *options) {
+    iniopts_t out = {
+        .key_value_divider = '=',
+    };
+
+#define SETOPT(v) out.v = options->v ? options->v : out.v
+
+    if (options) {
+        SETOPT(key_value_divider);
+        SETOPT(merge_duplicate_keys);
+        SETOPT(merge_duplicate_tables);
     }
-    vecFree(ctx.tables);
+
+#undef SETOPT
+
+    return out;
 }
 
-str_t winiToString(iniwriter_t ctx, const winiopts_t *options) {
+static void ini__add_value(arena_t *arena, initable_t *table, instream_t *in, iniopts_t *opts) {
-    if (!options) options = &default_wopts;
+    assert(table);
 
-    str_ostream_t out = ostrInitLen(1024 * 20);
+    strview_t key = strvTrim(istrGetView(in, opts->key_value_divider));
-    if (!options->no_discalimer) ostrPuts(&out, "# auto-generated by colla's ini.h, do not modify!\n");
-    // add root values
-    winitable_t *root = &ctx.tables[0];
-    for (winivalue_t *val = root->values; val != vecEnd(root->values); ++val) {
-        ostrPrintf(&out, "%s = %s\n", val->key.buf, val->value.buf);
-    }
-    if (root->values) ostrPuts(&out, "\n");
-    // add each table
-    for (usize i = 1; i < vecLen(ctx.tables); ++i) {
-        winitable_t *tab = &ctx.tables[i];
-        ostrPrintf(&out, "[%s]\n", tab->key.buf);
-        for (winivalue_t *val = tab->values; val != vecEnd(tab->values); ++val) {
-            ostrPrintf(&out, "%s = %s\n", val->key.buf, val->value.buf);
-        }
-        if ((i + 1) < vecLen(ctx.tables)) ostrPuts(&out, "\n");
-    }
-    return ostrAsStr(out);
-}
-
-void winiToFile(iniwriter_t ctx, const char *filename, const winiopts_t *options) {
-    if (!options) options = &default_wopts;
-
-    file_t fp = fileOpen(filename, FILE_WRITE);
-    if (!fileIsValid(fp)) {
-        err("couldn't write ini to file %s", filename);
-        return;
-    }
-    str_t string = winiToString(ctx, options);
-    fileWriteWholeTextFP(fp, strvInitStr(string));
-    strFree(string);
-    fileClose(fp);
-}
-
-winivalue_t *winiAddValEmpty(winitable_t *table) {
-    if (!table) return NULL;
-    vecAppend(table->values, (winivalue_t){0});
-    return &vecBack(table->values);
-}
-
-winivalue_t *winiAddVal(winitable_t *table, const char *key, const char *value) {
-    if (!table) return NULL;
-    winivalue_t val = { .key = strFromStr(key), .value = strFromStr(value) };
-    vecAppend(table->values, val);
-    return &vecBack(table->values);
-}
-
-winivalue_t *winiAddValStr(winitable_t *table, str_t key, str_t value) {
-    if (!table) return NULL;
-    winivalue_t val = { .key = key, .value = value };
-    vecAppend(table->values, val);
-    return &vecBack(table->values);
-}
-
-winivalue_t *winiAddValView(winitable_t *table, strview_t key, strview_t value) {
-    if (!table) return NULL;
-    winivalue_t val = { .key = strFromView(key), .value = strFromView(value) };
-    vecAppend(table->values, val);
-    return &vecBack(table->values);
-}
-
-winitable_t *winiAddTablEmpty(iniwriter_t *ctx) {
-    vecAppend(ctx->tables, (winitable_t){0});
-    return &vecBack(ctx->tables);
-}
-
-winitable_t *winiAddTab(iniwriter_t *ctx, const char *name) {
-    winitable_t tab = { .key = strFromStr(name) };
-    vecAppend(ctx->tables, tab);
-    return &vecBack(ctx->tables);
-}
-
-winitable_t *winiAddTabStr(iniwriter_t *ctx, str_t name) {
-    winitable_t tab = { .key = name };
-    vecAppend(ctx->tables, tab);    
-    return &vecBack(ctx->tables);
-}
-
-winitable_t *winiAddTabView(iniwriter_t *ctx, strview_t name) {
-    winitable_t tab = { .key = strFromView(name) };
-    vecAppend(ctx->tables, tab);
-    return &vecBack(ctx->tables);
-}
-
-// == PRIVATE FUNCTIONS ========================================================
-
-static iniopts_t setDefaultOptions(const iniopts_t *options) {
-    if (!options) return default_opts;
-    
-    iniopts_t opts = default_opts;
-    
-    if (options->merge_duplicate_keys) 
-        opts.merge_duplicate_keys = options->merge_duplicate_keys;
-    
-    if (options->merge_duplicate_tables) 
-        opts.merge_duplicate_tables = options->merge_duplicate_tables;
-    
-    if (options->key_value_divider) 
-        opts.key_value_divider = options->key_value_divider;
-    
-    return opts;
-}
-
-static initable_t *findTable(ini_t *ctx, strview_t name) {
-    if (strvIsEmpty(name)) return NULL;
-    for (uint32 i = 1; i < vecLen(ctx->tables); ++i) {
-        if (strvCompare(ctx->tables[i].name, name) == 0) {
-            return &ctx->tables[i];
-        }
-    }
-    return NULL;
-}
-
-static inivalue_t *findValue(vec(inivalue_t) values, strview_t key) {
-    if (strvIsEmpty(key)) return NULL;
-    for (uint32 i = 0; i < vecLen(values); ++i) {
-        if (strvCompare(values[i].key, key) == 0) {
-            return &values[i];
-        }
-    }
-    return NULL;
-}
-
-static void addTable(ini_t *ctx, str_istream_t *in, const iniopts_t *options) {
-    istrSkip(in, 1); // skip [
-    strview_t name = istrGetview(in, ']');
-    istrSkip(in, 1); // skip ]
-    initable_t *table = options->merge_duplicate_tables ? findTable(ctx, name) : NULL;
-    if (!table) {
-        vecAppend(ctx->tables, (initable_t){ name });
-        table = &vecBack(ctx->tables);
-    }
-    istrIgnore(in, '\n'); istrSkip(in, 1);
-    while (!istrIsFinished(*in)) {
-        switch (*in->cur) {
-        case '\n': case '\r':
-            return;
-        case '#': case ';':
-            istrIgnore(in, '\n');
-            break;
-        default:
-            addValue(table, in, options);
-            break;
-        }
-    }
-}
-
-static void addValue(initable_t *table, str_istream_t *in, const iniopts_t *options) {
-    if (!table) fatal("table is null");
-    
-    strview_t key = strvTrim(istrGetview(in, options->key_value_divider));
     istrSkip(in, 1);
-    strview_t value = strvTrim(istrGetview(in, '\n'));
+    strview_t value = strvTrim(istrGetView(in, '\n'));
-    // value might be until EOF, in that case no use in skipping
+    istrSkip(in, 1);
-    if (!istrIsFinished(*in)) istrSkip(in, 1); // skip newline
+    inivalue_t *newval = NULL;
-    inivalue_t *new_value = options->merge_duplicate_keys ? findValue(table->values, key) : NULL;
+    
-    if (!new_value) {
+    if (opts->merge_duplicate_keys) {
-        inivalue_t ini_val = (inivalue_t){ key, value };
+        newval = table->values;
-        vecAppend(table->values, ini_val);
+        while (newval) {
+            if (strvEquals(newval->key, key)) {
+                break;
+            }
+            newval = newval->next;
+        }
+    }
+
+    if (newval) {
+        newval->value = value;
     }
     else {
-        new_value->value = value;
+        newval = alloc(arena, inivalue_t);
+        newval->key = key;
+        newval->value = value;
+
+        if (!table->values) {
+            table->values = newval;
+        }
+        else {
+            table->tail->next = newval;
+        }
+
+        table->tail = newval;
     }
 }
+
+static void ini__add_table(arena_t *arena, ini_t *ctx, instream_t *in, iniopts_t *options) {
+    istrSkip(in, 1); // skip [
+    strview_t name = istrGetView(in, ']');
+    istrSkip(in, 1); // skip ]
+    initable_t *table = NULL;
+
+    if (options->merge_duplicate_tables) {
+        table = ctx->tables;
+        while (table) {
+            if (strvEquals(table->name, name)) {
+                break;
+            }
+            table = table->next;
+        }
+    }
+
+    if (!table) {
+        table = alloc(arena, initable_t);
+
+        if (!ctx->tables) {
+            ctx->tables = table;
+        }
+        else {
+            ctx->tail->next = table;
+        }
+
+        ctx->tail = table;
+    }
+
+    istrIgnoreAndSkip(in, '\n');
+    while (!istrIsFinished(*in)) {
+        switch (istrPeek(in)) {
+            case '\n': // fallthrough
+            case '\r':
+                return;
+            case '#': // fallthrough
+            case ';':
+                istrIgnoreAndSkip(in, '\n');
+                break;
+            default:
+                ini__add_value(arena, table, in, options);
+                break;
+        }
+    }
+}
+
+static void ini__parse(arena_t *arena, ini_t *ini, const iniopts_t *options) {
+    iniopts_t opts = ini__get_options(options);
+
+    instream_t in = istrInitLen(ini->text.buf, ini->text.len);
+
+    while (!istrIsFinished(in)) {
+        istrSkipWhitespace(&in);
+        switch (istrPeek(&in)) {
+            case '[':
+                ini__add_table(arena, ini, &in, &opts);
+                break;
+            case '#': // fallthrough
+            case ';':
+                istrIgnoreAndSkip(&in, '\n');
+                break;
+            default:
+                ini__add_value(arena, ini->tables, &in, &opts);
+                break;
+        }
+    }
+}
+
+#undef INIPUSH
+
+#include "warnings/colla_warn_end.h"

colla/ini.h

@@ -1,29 +1,28 @@
 #pragma once
 
-#include <stdbool.h>
+#include "collatypes.h"
 #include "str.h"
-#include "vec.h"
+#include "file.h"
-#include "utf8.h"
 
-#ifdef __cplusplus
+typedef struct arena_t arena_t;
-extern "C" {
-#endif
 
-// == INI READER ========================================================================
+typedef struct inivalue_t {
-
-typedef struct {
     strview_t key;
     strview_t value;
+    struct inivalue_t *next;
 } inivalue_t;
 
-typedef struct {
+typedef struct initable_t {
     strview_t name;
-    vec(inivalue_t) values;
+    inivalue_t *values;
+    inivalue_t *tail;
+    struct initable_t *next;
 } initable_t;
 
 typedef struct {
-    str_t text;
+    strview_t text;
-    vec(initable_t) tables;
+    initable_t *tables;
+    initable_t *tail;
 } ini_t;
 
 typedef struct {
@@ -32,58 +31,22 @@ typedef struct {
     char key_value_divider;      // default =
 } iniopts_t;
 
-ini_t iniParse(const char *filename, const iniopts_t *options);
+ini_t iniParse(arena_t *arena, strview_t filename, const iniopts_t *options);
-ini_t iniParseString(const char *inistr, const iniopts_t *options);
+ini_t iniParseFile(arena_t *arena, file_t file, const iniopts_t *options);
-void iniFree(ini_t ctx);
+ini_t iniParseStr(arena_t *arena, strview_t str, const iniopts_t *options);
 
-initable_t *iniGetTable(ini_t *ctx, const char *name);
+#define INI_ROOT strv("__ROOT__")
-inivalue_t *iniGet(initable_t *ctx, const char *key);
 
-vec(strview_t) iniAsArray(const inivalue_t *value, char delim);
+initable_t *iniGetTable(ini_t *ctx, strview_t name);
-// delim is expected to be a single utf8 character
+inivalue_t *iniGet(initable_t *ctx, strview_t key);
-vec(strview_t) iniAsArrayU8(const inivalue_t *value, const char *delim);
-uint64 iniAsUInt(const inivalue_t *value);
-int64 iniAsInt(const inivalue_t *value);
-double iniAsNum(const inivalue_t *value);
-bool iniAsBool(const inivalue_t *value);
-
-// == INI WRITER ========================================================================
 
 typedef struct {
-    str_t key;
+    strview_t *values;
-    str_t value;
+    usize count;
-} winivalue_t;
+} iniarray_t;
 
-typedef struct {
+iniarray_t iniAsArr(arena_t *arena, inivalue_t *value, char delim);
-    str_t key;
+uint64 iniAsUInt(inivalue_t *value);
-    vec(winivalue_t) values;
+int64 iniAsInt(inivalue_t *value);
-} winitable_t;
+double iniAsNum(inivalue_t *value);
-
+bool iniAsBool(inivalue_t *value);
-typedef struct {
-    vec(winitable_t) tables;
-} iniwriter_t;
-
-typedef struct {
-    bool no_discalimer;     // default false
-    char key_value_divider; // default =
-} winiopts_t;
-
-iniwriter_t winiInit();
-void winiFree(iniwriter_t ctx);
-
-str_t winiToString(iniwriter_t ctx, const winiopts_t *options);
-void winiToFile(iniwriter_t ctx, const char *filename, const winiopts_t *options);
-
-winivalue_t *winiAddValEmpty(winitable_t *table);
-winivalue_t *winiAddVal(winitable_t *table, const char *key, const char *value);
-winivalue_t *winiAddValStr(winitable_t *table, str_t key, str_t value);
-winivalue_t *winiAddValView(winitable_t *table, strview_t key, strview_t value);
-
-winitable_t *winiAddTablEmpty(iniwriter_t *ctx);
-winitable_t *winiAddTab(iniwriter_t *ctx, const char *name);
-winitable_t *winiAddTabStr(iniwriter_t *ctx, str_t name);
-winitable_t *winiAddTabView(iniwriter_t *ctx, strview_t name);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif

colla/json.c

@@ -0,0 +1,288 @@
+#include "json.h"
+
+#include "warnings/colla_warn_beg.h"
+
+#include <stdio.h>
+
+#include "strstream.h"
+#include "tracelog.h"
+
+#define json__ensure(c) \
+    if (istrGet(in) != (c)) { \
+        istrRewindN(in, 1); \
+        fatal("wrong character at %zu, should be " #c " but is %c", istrTell(*in), istrPeek(in));\
+    }
+
+str_t json__read_whole(arena_t *arena, const char *filename) {
+    str_t out = {0};
+    FILE *fp = fopen(filename, "rb");
+    if (!fp) {
+        err("could not open %s", filename);
+        return (str_t){0};
+    }
+
+    fseek(fp, 0, SEEK_END);
+    long len = ftell(fp);
+    fseek(fp, 0, SEEK_SET);
+
+    out.buf = alloc(arena, char, len + 1);
+    out.len = len;
+
+    fread(out.buf, 1, len, fp);
+
+    fclose(fp);
+
+    return out;
+}
+
+jsonval_t *json__parse_pair(arena_t *arena, instream_t *in, jsonflags_e flags);
+jsonval_t *json__parse_value(arena_t *arena, instream_t *in, jsonflags_e flags);
+
+bool json__is_value_finished(instream_t *in) {
+    usize old_pos = istrTell(*in);
+    
+    istrSkipWhitespace(in);
+    switch(istrPeek(in)) {
+        case '}': // fallthrough
+        case ']': // fallthrough
+        case ',':
+            return true;
+    }
+
+    in->cur = in->start + old_pos;
+    return false;
+}
+
+void json__parse_null(instream_t *in) {
+    strview_t null_view = istrGetViewLen(in, 4);
+    
+    if (!strvEquals(null_view, strv("null"))) {
+        fatal("should be null but is: (%.*s) at %zu", null_view.len, null_view.buf, istrTell(*in));
+    }
+
+    if (!json__is_value_finished(in)) {
+        fatal("null, should be finished, but isn't at %zu", istrTell(*in));
+    }
+}
+
+jsonval_t *json__parse_array(arena_t *arena, instream_t *in, jsonflags_e flags) {
+    json__ensure('[');
+
+    istrSkipWhitespace(in);
+
+    // if it is an empty array
+    if (istrPeek(in) == ']') {
+        istrSkip(in, 1);
+        return NULL;
+    }
+    
+    jsonval_t *head = json__parse_value(arena, in, flags);
+    jsonval_t *cur = head;
+    
+    while (true) {
+        istrSkipWhitespace(in);
+        switch (istrGet(in)) {
+            case ']':
+                return head;
+            case ',':
+            {
+                istrSkipWhitespace(in);
+                // trailing comma
+                if (!(flags & JSON_NO_TRAILING_COMMAS) && istrPeek(in) == ']') {
+                    return head;
+                }
+
+                jsonval_t *next = json__parse_value(arena, in, flags);
+                cur->next = next;
+                next->prev = cur;
+                cur = next;
+                break;
+            }
+            default:
+                istrRewindN(in, 1);
+                fatal("unknown char after array at %zu: (%c)(%d)", istrTell(*in), *in->cur, *in->cur);
+        }
+    }
+
+    return NULL;
+}
+
+str_t json__parse_string(arena_t *arena, instream_t *in, jsonflags_e flags) {
+    istrSkipWhitespace(in);
+
+    json__ensure('"');
+
+    const char *from = in->cur;
+    
+    for (; !istrIsFinished(*in) && *in->cur != '"'; ++in->cur) {
+        if (istrPeek(in) == '\\') {
+            ++in->cur;
+        }
+    }
+    
+    usize len = in->cur - from;
+
+    str_t out = str(arena, from, len);
+
+    json__ensure('"');
+
+    return out;
+}
+
+double json__parse_number(instream_t *in, jsonflags_e flags) {
+    double value = 0.0;
+    istrGetDouble(in, &value);
+    return value;
+}
+
+bool json__parse_bool(instream_t *in, jsonflags_e flags) {
+    size_t remaining = istrRemaining(*in);
+    if (remaining >= 4 && memcmp(in->cur, "true", 4) == 0) {
+        istrSkip(in, 4);
+        return true;
+    }
+    if (remaining >= 5 && memcmp(in->cur, "false", 5) == 0) {
+        istrSkip(in, 5);
+        return false;
+    }
+    fatal("unknown boolean at %zu: %.10s", istrTell(*in), in->cur);
+    return false;
+}
+
+jsonval_t *json__parse_obj(arena_t *arena, instream_t *in, jsonflags_e flags) {
+    json__ensure('{');
+
+    istrSkipWhitespace(in);
+
+    // if it is an empty object
+    if (istrPeek(in) == '}') {
+        istrSkip(in, 1);
+        return NULL;
+    }
+
+    jsonval_t *head = json__parse_pair(arena, in, flags);
+    jsonval_t *cur = head;
+
+    while (true) {
+        istrSkipWhitespace(in);
+        switch (istrGet(in)) {
+            case '}':
+                return head;
+            case ',':
+            {
+                istrSkipWhitespace(in);
+                // trailing commas
+                if (!(flags & JSON_NO_TRAILING_COMMAS) && istrPeek(in) == '}') {
+                    return head;
+                }
+
+                jsonval_t *next = json__parse_pair(arena, in, flags);
+                cur->next = next;
+                next->prev = cur;
+                cur = next;
+                break;
+            }
+            default:
+                istrRewindN(in, 1);
+                fatal("unknown char after object at %zu: (%c)(%d)", istrTell(*in), *in->cur, *in->cur);
+        }
+    }
+
+    return head;
+}
+
+jsonval_t *json__parse_pair(arena_t *arena, instream_t *in, jsonflags_e flags) {
+    str_t key = json__parse_string(arena, in, flags);
+
+    // skip preamble
+    istrSkipWhitespace(in);
+    json__ensure(':');
+
+    jsonval_t *out = json__parse_value(arena, in, flags);
+    out->key = key;
+    return out;
+}
+
+jsonval_t *json__parse_value(arena_t *arena, instream_t *in, jsonflags_e flags) {
+    jsonval_t *out = alloc(arena, jsonval_t);
+
+    istrSkipWhitespace(in);
+
+    switch (istrPeek(in)) {
+        // object
+        case '{':
+            out->object = json__parse_obj(arena, in, flags);
+            out->type = JSON_OBJECT;
+            break;
+        // array
+        case '[':
+            out->array = json__parse_array(arena, in, flags);
+            out->type = JSON_ARRAY;
+            break;
+        // string
+        case '"':
+            out->string = json__parse_string(arena, in, flags);
+            out->type = JSON_STRING;
+            break;
+        // boolean
+        case 't': // fallthrough
+        case 'f':
+            out->boolean = json__parse_bool(in, flags);
+            out->type = JSON_BOOL;
+            break;
+        // null
+        case 'n': 
+            json__parse_null(in);
+            out->type = JSON_NULL;
+            break;
+        // comment
+        case '/':
+            fatal("TODO comments");
+            break;
+        // number
+        default:
+            out->number = json__parse_number(in, flags);
+            out->type = JSON_NUMBER;
+            break;
+    }
+
+    return out;
+}
+
+json_t jsonParse(arena_t *arena, arena_t scratch, const char *filename, jsonflags_e flags) {
+    str_t data = json__read_whole(&scratch, filename);
+    json_t json = jsonParseStr(arena, strv(data), flags);
+    return json;
+}
+
+json_t jsonParseStr(arena_t *arena, strview_t jsonstr, jsonflags_e flags) {
+    jsonval_t *root = alloc(arena, jsonval_t);
+    root->type = JSON_OBJECT;
+    
+    instream_t in = istrInitLen(jsonstr.buf, jsonstr.len);
+    root->object = json__parse_obj(arena, &in, flags);
+
+    return root;
+}
+
+jsonval_t *jsonGet(jsonval_t *node, strview_t key) {
+    if (!node) return NULL;
+
+    if (node->type != JSON_OBJECT) {
+        err("passed type is not an object");
+        return NULL;
+    }
+
+    node = node->object;
+
+    while (node) {
+        if (strvEquals(strv(node->key), key)) {
+            return node;
+        }
+        node = node->next;
+    }
+
+    return NULL;
+}
+
+#include "warnings/colla_warn_end.h"

colla/json.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include "str.h"
+#include "arena.h"
+
+typedef enum {
+    JSON_NULL,
+    JSON_ARRAY,
+    JSON_STRING,
+    JSON_NUMBER,
+    JSON_BOOL,
+    JSON_OBJECT,
+} jsontype_e;
+
+typedef enum {
+    JSON_DEFAULT            = 0,
+    JSON_NO_TRAILING_COMMAS = 1 << 0,
+    JSON_NO_COMMENTS        = 1 << 1,
+} jsonflags_e;
+
+typedef struct jsonval_t jsonval_t;
+
+typedef struct jsonval_t {
+    jsonval_t *next;
+    jsonval_t *prev;
+
+    str_t key;
+
+    union {
+        jsonval_t *array;
+        str_t string;
+        double number;
+        bool boolean;
+        jsonval_t *object;
+    };
+    jsontype_e type;
+} jsonval_t;
+
+typedef jsonval_t *json_t;
+
+json_t jsonParse(arena_t *arena, arena_t scratch, const char *filename, jsonflags_e flags);
+json_t jsonParseStr(arena_t *arena, strview_t jsonstr, jsonflags_e flags);
+
+jsonval_t *jsonGet(jsonval_t *node, strview_t key);
+
+#define json_for(name, arr) for (jsonval_t *name = arr->array; name; name = name->next)
+#define json_check(val, js_type) ((val) && (val)->type == js_type)

colla/server.c

@@ -0,0 +1,382 @@
+#include "server.h"
+
+#include <stdio.h>
+
+#include "socket.h"
+#include "tracelog.h"
+#include "strstream.h"
+#include "arena.h"
+
+#define SERVER_BUFSZ 4096
+
+typedef enum {
+    PARSE_REQ_BEGIN,
+    PARSE_REQ_PAGE,
+    PARSE_REQ_VERSION,
+    PARSE_REQ_FIELDS,
+    PARSE_REQ_FINISHED,
+} server__req_status_e;
+
+typedef struct {
+    server_req_t req;
+    server__req_status_e status;
+    char fullbuf[SERVER_BUFSZ * 2];
+    usize prevbuf_len;
+} server__req_ctx_t;
+
+
+typedef struct server__route_t {
+    str_t page;
+    server_route_f fn;
+    void *userdata;
+    struct server__route_t *next;
+} server__route_t;
+
+typedef struct server_t {
+    socket_t socket;
+    server__route_t *routes;
+    server__route_t *routes_default;
+    bool should_stop;
+} server_t;
+
+bool server__parse_chunk(arena_t *arena, server__req_ctx_t *ctx, char buffer[SERVER_BUFSZ], usize buflen) {
+    memcpy(ctx->fullbuf + ctx->prevbuf_len, buffer, buflen);
+    usize fulllen = ctx->prevbuf_len + buflen;
+
+    instream_t in = istrInitLen(ctx->fullbuf, fulllen);
+
+#define RESET_STREAM() in.cur = in.start + begin
+#define BEGIN_STREAM() begin = istrTell(in)
+
+    usize begin = istrTell(in);
+
+    switch (ctx->status) {
+        case PARSE_REQ_BEGIN:
+        {
+            BEGIN_STREAM();
+
+            strview_t method = istrGetView(&in, ' ');
+            if (istrGet(&in) != ' ') {
+                RESET_STREAM();
+                break;
+            }
+
+            if (strvEquals(method, strv("GET"))) {
+                ctx->req.method = HTTP_GET;
+            }
+            else if(strvEquals(method, strv("POST"))) {
+                ctx->req.method = HTTP_POST;
+            }
+            else {
+                fatal("unknown method: (%.*s)", method.len, method.buf);
+            }
+
+            info("parsed method: %.*s", method.len, method.buf);
+
+            ctx->status = PARSE_REQ_PAGE;
+        }
+        // fallthrough
+        case PARSE_REQ_PAGE:
+        {
+            BEGIN_STREAM();
+            
+            strview_t page = istrGetView(&in, ' ');
+            if (istrGet(&in) != ' ') {
+                RESET_STREAM();
+                break;
+            }
+
+            ctx->req.page = str(arena, page);
+
+            info("parsed page: %.*s", page.len, page.buf);
+
+            ctx->status = PARSE_REQ_VERSION;
+        }
+        // fallthrough
+        case PARSE_REQ_VERSION:
+        {
+            BEGIN_STREAM();
+            
+            strview_t version = istrGetView(&in, '\n');
+            if (istrGet(&in) != '\n') {
+                RESET_STREAM();
+                break;
+            }
+
+            if (version.len < 8) {
+                fatal("version too short: (%.*s)", version.len, version.buf);
+            }
+
+            if (strvEquals(strvSub(version, 0, 4), strv("HTTP"))) {
+                fatal("version does not start with HTTP: (%.4s)", version.buf);
+            }
+
+            // skip HTTP
+            version = strvRemovePrefix(version, 4);
+
+            uint8 major, minor;
+            int scanned = sscanf(version.buf, "/%hhu.%hhu", &major, &minor);
+
+            if (scanned != 2) {
+                fatal("could not scan both major and minor from version: (%.*s)", version.len, version.buf);
+            }
+
+            ctx->req.version_major = major;
+            ctx->req.version_minor = minor;
+
+            ctx->status = PARSE_REQ_FIELDS;
+        }
+        // fallthrough
+        case PARSE_REQ_FIELDS:
+        {
+            bool finished_parsing = false;
+
+            while (true) {
+                BEGIN_STREAM();
+
+                strview_t field = istrGetView(&in, '\n');
+                if (istrGet(&in) != '\n') {
+                    RESET_STREAM();
+                    break;
+                }
+
+                instream_t field_in = istrInitLen(field.buf, field.len);
+
+                strview_t key = istrGetView(&field_in, ':');
+                if (istrGet(&field_in) != ':') {
+                    fatal("field does not have ':' (%.*s)", field.len, field.buf);
+                }
+
+                istrSkipWhitespace(&field_in);
+
+                strview_t value = istrGetView(&field_in, '\r');
+                if (istrGet(&field_in) != '\r') {
+                    warn("field does not finish with \\r: (%.*s)", field.len, field.buf);
+                    RESET_STREAM();
+                    break;
+                }
+
+                server_field_t *new_field = alloc(arena, server_field_t);
+                new_field->key = str(arena, key);
+                new_field->value = str(arena, value);
+
+                if (!ctx->req.fields) {
+                    ctx->req.fields = new_field;
+                }
+                
+                if (ctx->req.fields_tail) {
+                    ctx->req.fields_tail->next = new_field;
+                }
+
+                ctx->req.fields_tail = new_field;
+
+                // check if we finished parsing the fields
+                if (istrGet(&in) == '\r') {
+                    if (istrGet(&in) == '\n') {
+                        finished_parsing = true;
+                        break;
+                    }
+                    else {
+                        istrRewindN(&in, 2);
+                        warn("should have finished parsing field, but apparently not?: (%.*s)", in.cur, istrRemaining(in));
+                    }
+                }
+                else {
+                    istrRewindN(&in, 1);
+                }
+            }
+
+            if (!finished_parsing) {
+                break;
+            }
+
+            ctx->status = PARSE_REQ_FINISHED;
+            break;
+        }
+        default: break;
+    }
+
+#undef RESET_STREAM
+
+    ctx->prevbuf_len = istrRemaining(in);
+
+    memmove(ctx->fullbuf, ctx->fullbuf + istrTell(in), ctx->prevbuf_len);
+
+    return ctx->status == PARSE_REQ_FINISHED;
+}
+
+void server__parse_req_url(arena_t *arena, server_req_t *req) {
+    instream_t in = istrInitLen(req->page.buf, req->page.len);
+    istrIgnore(&in, '?');
+    // no fields in url
+    if (istrGet(&in) != '?') {
+        return;
+    }
+
+    req->page.len = istrTell(in) - 1;
+    req->page.buf[req->page.len] = '\0';
+
+    while (!istrIsFinished(in)) {
+        strview_t field = istrGetView(&in, '&');
+        istrSkip(&in, 1); // skip &
+        usize pos = strvFind(field, '=', 0);
+        if (pos == SIZE_MAX) {
+            fatal("url parameter does not include =: %.*s", field.buf, field.len);
+        }
+        strview_t key = strvSub(field, 0, pos);
+        strview_t val = strvSub(field, pos + 1, SIZE_MAX);
+
+        server_field_t *f = alloc(arena, server_field_t);
+        f->key = str(arena, key);
+        f->value = str(arena, val);
+        f->next = req->page_fields;
+        req->page_fields = f;
+    }
+}
+
+server_t *serverSetup(arena_t *arena, uint16 port) {
+    if (!skInit()) {
+        fatal("couldn't initialise sockets: %s", skGetErrorString());
+    }
+
+    socket_t sk = skOpen(SOCK_TCP);
+    if (!skIsValid(sk)) {
+        fatal("couldn't open socket: %s", skGetErrorString());
+    }
+
+    skaddrin_t addr = {
+        .sin_family = AF_INET,
+        .sin_addr.s_addr = INADDR_ANY,
+        .sin_port = htons(port),
+    };
+
+    if (!skBindPro(sk, (skaddr_t *)&addr, sizeof(addr))) {
+        fatal("could not bind socket: %s", skGetErrorString());
+    }
+
+    if (!skListenPro(sk, 10)) {
+        fatal("could not listen on socket: %s", skGetErrorString());
+    }
+
+    server_t *server = alloc(arena, server_t);
+
+    server->socket = sk;
+    
+    return server;
+}
+
+void serverRoute(arena_t *arena, server_t *server, strview_t page, server_route_f cb, void *userdata) {
+    // check if a route for that page already exists
+    server__route_t *r = server->routes;
+
+    while (r) {
+        if (strvEquals(strv(r->page), page)) {
+            r->fn = cb;
+            r->userdata = userdata;
+            break;
+        }
+        r = r->next;
+    }
+    
+    // no route found, make a new one
+    if (!r) {
+        r = alloc(arena, server__route_t);
+        r->next = server->routes;
+        server->routes = r;
+
+        r->page = str(arena, page);
+    }
+
+    r->fn = cb;
+    r->userdata = userdata;
+}
+
+void serverRouteDefault(arena_t *arena, server_t *server, server_route_f cb, void *userdata) {
+    server__route_t *r = server->routes_default;
+
+    if (!r) {
+        r = alloc(arena, server__route_t);
+        server->routes_default = r;
+    }
+
+    r->fn = cb;
+    r->userdata = userdata;
+}
+
+void serverStart(arena_t scratch, server_t *server) {
+    usize start = arenaTell(&scratch);
+
+    while (!server->should_stop) {
+        socket_t client = skAccept(server->socket);
+        if (!skIsValid(client)) {
+            err("accept failed");
+            continue;
+        }
+
+        info("received connection: %zu", client);
+
+        arenaRewind(&scratch, start);
+
+        server__req_ctx_t req_ctx = {0};
+
+        char buffer[SERVER_BUFSZ];
+        int read = 0;
+        do {
+            read = skReceive(client, buffer, sizeof(buffer));
+            if(read == -1) {
+                fatal("couldn't get the data from the server: %s", skGetErrorString());
+            }
+            if (server__parse_chunk(&scratch, &req_ctx, buffer, read)) {
+                break;
+            }
+        } while(read != 0);
+
+        info("parsed request");
+
+        server_req_t req = req_ctx.req;
+
+        server__parse_req_url(&scratch, &req);
+
+        server__route_t *route = server->routes;
+        while (route) {
+            if (strEquals(route->page, req.page)) {
+                break;
+            }
+            route = route->next;
+        }
+
+        if (!route) {
+            route = server->routes_default;
+        }
+
+        str_t response = route->fn(scratch, server, &req, route->userdata);
+
+        skSend(client, response.buf, response.len);
+        skClose(client);
+    }
+
+    if (!skClose(server->socket)) {
+        fatal("couldn't close socket: %s", skGetErrorString());
+    }
+}
+
+void serverStop(server_t *server) {
+    server->should_stop = true;
+}
+
+str_t serverMakeResponse(arena_t *arena, int status_code, strview_t content_type, strview_t body) {
+    return strFmt(
+        arena,
+        
+        "HTTP/1.1 %d %s\r\n"
+        "Content-Type: %.*s\r\n"
+        "\r\n"
+        "%.*s",
+
+        status_code, httpGetStatusString(status_code),
+        content_type.len, content_type.buf,
+        body.len, body.buf
+    );
+}
+
+#undef SERVER_BUFSZ

colla/server.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "collatypes.h"
+#include "str.h"
+#include "http.h"
+
+typedef struct arena_t arena_t;
+typedef struct server_t server_t;
+
+typedef struct server_field_t {
+    str_t key;
+    str_t value;
+    struct server_field_t *next;
+} server_field_t;
+
+typedef struct {
+    http_method_e method;
+    str_t page;
+    server_field_t *page_fields;
+    uint8 version_minor;
+    uint8 version_major;
+    server_field_t *fields;
+    server_field_t *fields_tail;
+    // buffer_t body;
+} server_req_t;
+
+typedef str_t (*server_route_f)(arena_t scratch, server_t *server, server_req_t *req, void *userdata);
+
+
+server_t *serverSetup(arena_t *arena, uint16 port);
+void serverRoute(arena_t *arena, server_t *server, strview_t page, server_route_f cb, void *userdata);
+void serverRouteDefault(arena_t *arena, server_t *server, server_route_f cb, void *userdata);
+void serverStart(arena_t scratch, server_t *server);
+void serverStop(server_t *server);
+
+str_t serverMakeResponse(arena_t *arena, int status_code, strview_t content_type, strview_t body);

colla/socket.c

@@ -1,55 +1,71 @@
 #include "socket.h"
 
-#include <stdio.h>
+#if COLLA_WIN && COLLA_CMT_LIB
-#include "tracelog.h"
+#pragma comment(lib, "Ws2_32")
-
-#ifndef NDEBUG
-// VERY MUCH NOT THREAD SAFE
-static int initialize_count = 0;
 #endif
 
-#if SOCK_WINDOWS
+#if COLLA_WIN
-static bool _win_skInit();
+#include <winsock2.h>
-static bool _win_skCleanup();
-static int _win_skGetError();
-static const char *_win_skGetErrorString();
 
-#define SOCK_CALL(fun) _win_##fun
+bool skInit(void) {
+    WSADATA w;
+    int error = WSAStartup(0x0202, &w);
+    return error == 0;
+}
 
-#elif SOCK_POSIX
+bool skCleanup(void) {
+    return WSACleanup() == 0;
+}
+
+bool skClose(socket_t sock) {
+    return closesocket(sock) != -1;
+}
+
+int skPoll(skpoll_t *to_poll, int num_to_poll, int timeout) {
+    return WSAPoll(to_poll, num_to_poll, timeout);
+}
+
+int skGetError(void) {
+    return WSAGetLastError();
+}
+
+#else
+
+#include <netinet/in.h> 
+#include <arpa/inet.h>
 #include <netdb.h>
 #include <unistd.h>
 #include <errno.h>
 #include <string.h> // strerror
 #include <poll.h>
 
-#define INVALID_SOCKET (-1)
+bool skInit(void) {
-#define SOCKET_ERROR   (-1)
+    return true;
-
-static bool _posix_skInit();
-static bool _posix_skCleanup();
-static int _posix_skGetError();
-static const char *_posix_skGetErrorString();
-
-#define SOCK_CALL(fun) _posix_##fun
-
-#endif
-
-bool skInit() {
-#ifndef NDEBUG
-    ++initialize_count;
-#endif
-    return SOCK_CALL(skInit());
 }
 
-bool skCleanup() {
+bool skCleanup(void) {
-#ifndef NDEBUG
+    return true;
-    --initialize_count;
-#endif
-    return SOCK_CALL(skCleanup());
 }
 
-socket_t skOpen(sktype_t type) {
+bool skClose(socket_t sock) {
+    return close(sock) != -1;
+}
+
+int skPoll(skpoll_t *to_poll, int num_to_poll, int timeout) {
+    return poll(to_poll, num_to_poll, timeout);
+}
+
+int skGetError(void) {
+    return errno;
+}
+
+const char *skGetErrorString(void) {
+    return strerror(errno);
+}
+
+#endif
+
+socket_t skOpen(sktype_e type) {
     int sock_type = 0;
 
     switch(type) {
@@ -62,58 +78,37 @@ socket_t skOpen(sktype_t type) {
 }
 
 socket_t skOpenEx(const char *protocol) {
-#ifndef NDEBUG
-    if(initialize_count <= 0) {
-        fatal("skInit has not been called");
-    }
-#endif
     struct protoent *proto = getprotobyname(protocol);
     if(!proto) {
-        return INVALID_SOCKET;
+        return (socket_t){0};
     }
     return skOpenPro(AF_INET, SOCK_STREAM, proto->p_proto);
 }
 
 socket_t skOpenPro(int af, int type, int protocol) {
-#ifndef NDEBUG
-    if(initialize_count <= 0) {
-        fatal("skInit has not been called");
-    }
-#endif
     return socket(af, type, protocol);
 }
 
-sk_addrin_t skAddrinInit(const char *ip, uint16_t port) {
+bool skIsValid(socket_t sock) {
-    sk_addrin_t addr;
+    return sock != (socket_t)-1;
-    addr.sin_family = AF_INET;
-	addr.sin_port = htons(port);
-	addr.sin_addr.s_addr = inet_addr(ip);
-    return addr;
 }
 
-bool skClose(socket_t sock) {
+skaddrin_t skAddrinInit(const char *ip, uint16_t port) {
-#if SOCK_WINDOWS
+    return (skaddrin_t){
-    int error = closesocket(sock);
+        .sin_family = AF_INET,
-#elif SOCK_POSIX
+        .sin_port = htons(port),
-    int error = close(sock);
+        // TODO use inet_pton instead
-#endif
+        .sin_addr.s_addr = inet_addr(ip),
-    sock = INVALID_SOCKET;
+    };
-    return error != SOCKET_ERROR;
 }
 
 bool skBind(socket_t sock, const char *ip, uint16_t port) {
-    sk_addrin_t addr;
+    skaddrin_t addr = skAddrinInit(ip, port);
-    addr.sin_family = AF_INET;
+    return skBindPro(sock, (skaddr_t *)&addr, sizeof(addr));
-    // TODO use inet_pton instead
-    addr.sin_addr.s_addr = inet_addr(ip);
-    
-    addr.sin_port = htons(port);
-
-    return skBindPro(sock, (sk_addr_t *) &addr, sizeof(addr));
 }
 
-bool skBindPro(socket_t sock, const sk_addr_t *name, sk_len_t namelen) {
+bool skBindPro(socket_t sock, const skaddr_t *name, int namelen) {
-    return bind(sock, name, namelen) != SOCKET_ERROR;
+    return bind(sock, name, namelen) != -1;
 }
 
 bool skListen(socket_t sock) {
@@ -121,16 +116,16 @@ bool skListen(socket_t sock) {
 }
 
 bool skListenPro(socket_t sock, int backlog) {
-    return listen(sock, backlog) != SOCKET_ERROR;
+    return listen(sock, backlog) != -1;
 }
 
 socket_t skAccept(socket_t sock) {
-    sk_addrin_t addr;
+    skaddrin_t addr = {0};
-    sk_len_t addr_size = (sk_len_t)sizeof(addr);
+    int addr_size = sizeof(addr);
-    return skAcceptPro(sock, (sk_addr_t *) &addr, &addr_size);
+    return skAcceptPro(sock, (skaddr_t *)&addr, &addr_size);
 }
 
-socket_t skAcceptPro(socket_t sock, sk_addr_t *addr, sk_len_t *addrlen) {
+socket_t skAcceptPro(socket_t sock, skaddr_t *addr, int *addrlen) {
     return accept(sock, addr, addrlen);
 }
 
@@ -143,16 +138,13 @@ bool skConnect(socket_t sock, const char *server, unsigned short server_port) {
         address = inet_ntoa(*(struct in_addr*)host->h_addr_list[0]);
     }
     
-    sk_addrin_t addr;
+    skaddrin_t addr = skAddrinInit(address, server_port);
-    addr.sin_family = AF_INET;
-    addr.sin_addr.s_addr = inet_addr(address);
-    addr.sin_port = htons(server_port);
 
-    return skConnectPro(sock, (sk_addr_t *) &addr, sizeof(addr));
+    return skConnectPro(sock, (skaddr_t *)&addr, sizeof(addr));
 }
 
-bool skConnectPro(socket_t sock, const sk_addr_t *name, sk_len_t namelen) {
+bool skConnectPro(socket_t sock, const skaddr_t *name, int namelen) {
-    return connect(sock, name, namelen) != SOCKET_ERROR;
+    return connect(sock, name, namelen) != -1;
 }
 
 int skSend(socket_t sock, const void *buf, int len) {
@@ -163,11 +155,11 @@ int skSendPro(socket_t sock, const void *buf, int len, int flags) {
     return send(sock, buf, len, flags);
 }
 
-int skSendTo(socket_t sock, const void *buf, int len, const sk_addrin_t *to) {
+int skSendTo(socket_t sock, const void *buf, int len, const skaddrin_t *to) {
-    return skSendToPro(sock, buf, len, 0, (sk_addr_t*) to, sizeof(sk_addrin_t));
+    return skSendToPro(sock, buf, len, 0, (skaddr_t*)to, sizeof(skaddrin_t));
 }
 
-int skSendToPro(socket_t sock, const void *buf, int len, int flags, const sk_addr_t *to, int tolen) {
+int skSendToPro(socket_t sock, const void *buf, int len, int flags, const skaddr_t *to, int tolen) {
     return sendto(sock, buf, len, flags, to, tolen);
 }
 
@@ -179,52 +171,19 @@ int skReceivePro(socket_t sock, void *buf, int len, int flags) {
     return recv(sock, buf, len, flags);
 }
 
-int skReceiveFrom(socket_t sock, void *buf, int len, sk_addrin_t *from) {
+int skReceiveFrom(socket_t sock, void *buf, int len, skaddrin_t *from) {
-    sk_len_t fromlen = sizeof(sk_addr_t);
+    int fromlen = sizeof(skaddr_t);
-    return skReceiveFromPro(sock, buf, len, 0, (sk_addr_t*)from, &fromlen);
+    return skReceiveFromPro(sock, buf, len, 0, (skaddr_t*)from, &fromlen);
 }
 
-int skReceiveFromPro(socket_t sock, void *buf, int len, int flags, sk_addr_t *from, sk_len_t *fromlen) {
+int skReceiveFromPro(socket_t sock, void *buf, int len, int flags, skaddr_t *from, int *fromlen) {
     return recvfrom(sock, buf, len, flags, from, fromlen);
 }
 
-int skPoll(skpoll_t *to_poll, int num_to_poll, int timeout) {
+// put this at the end of file to not make everything else unreadable
-#if SOCK_WINDOWS
+#if COLLA_WIN
-    return WSAPoll(to_poll, num_to_poll, timeout);
+const char *skGetErrorString(void) {
-#elif SOCK_POSIX
+    switch(skGetError()) {
-    return poll(to_poll, num_to_poll, timeout);
-#endif
-}
-
-bool skIsValid(socket_t sock) {
-    return sock != INVALID_SOCKET;
-}
-
-int skGetError() {
-    return SOCK_CALL(skGetError());
-}
-
-const char *skGetErrorString() {
-    return SOCK_CALL(skGetErrorString());
-}
-
-#ifdef SOCK_WINDOWS
-static bool _win_skInit() {
-    WSADATA w;
-    int error = WSAStartup(0x0202, &w);
-    return error == 0;
-}
-
-static bool _win_skCleanup() {
-    return WSACleanup() == 0;
-}
-
-static int _win_skGetError() {
-    return WSAGetLastError();
-}
-
-static const char *_win_skGetErrorString() {
-    switch(_win_skGetError()) {
         case WSA_INVALID_HANDLE: return "Specified event object handle is invalid.";
         case WSA_NOT_ENOUGH_MEMORY: return "Insufficient memory available.";
         case WSA_INVALID_PARAMETER: return "One or more parameters are invalid.";
@@ -324,22 +283,4 @@ static const char *_win_skGetErrorString() {
 
     return "(nothing)";
 }
-
-#else
-
-static bool _posix_skInit() {
-    return true;
-}
-
-static bool _posix_skCleanup() {
-    return true;
-}
-
-static int _posix_skGetError() {
-    return errno;
-}
-
-static const char *_posix_skGetErrorString() {
-    return strerror(errno);
-}
 #endif

colla/socket.h

@@ -1,45 +1,22 @@
 #pragma once
 
-#ifdef __cplusplus
+#include "collatypes.h"
-extern "C" {
-#endif
 
-#include <stdbool.h>
+#if COLLA_WIN
-#include <stdint.h>
+#include <winsock2.h>
-
-#ifdef _WIN32
-    #define SOCK_WINDOWS 1
 #else
-    #define SOCK_POSIX 1
+#include <sys/socket.h> 
 #endif
 
-#if SOCK_WINDOWS
+typedef uintptr_t socket_t;
-    #pragma warning(disable:4996) // _WINSOCK_DEPRECATED_NO_WARNINGS
+typedef struct sockaddr skaddr_t;
-    #include "win32_slim.h"
+typedef struct sockaddr_in skaddrin_t;
-    #include <winsock2.h>
-    #include <ws2tcpip.h>
-    typedef SOCKET socket_t;
-    typedef int sk_len_t;
-#elif SOCK_POSIX
-    #include <sys/socket.h> 
-    #include <netinet/in.h> 
-    #include <arpa/inet.h>
-    typedef int socket_t;
-    typedef uint32_t sk_len_t;
-    #define INVALID_SOCKET (-1)
-    #define SOCKET_ERROR   (-1)
-#endif
-
-typedef struct sockaddr sk_addr_t;
-typedef struct sockaddr_in sk_addrin_t;
 typedef struct pollfd skpoll_t;
 
 typedef enum {
     SOCK_TCP,
     SOCK_UDP,
-} sktype_t;
+} sktype_e;
-
-// == RAW SOCKETS ==========================================
 
 // Initialize sockets, returns true on success
 bool skInit(void);
@@ -47,7 +24,7 @@ bool skInit(void);
 bool skCleanup(void);
 
 // Opens a socket, check socket_t with skValid
-socket_t skOpen(sktype_t type);
+socket_t skOpen(sktype_e type);
 // Opens a socket using 'protocol', options are 
 // ip, icmp, ggp, tcp, egp, pup, udp, hmp, xns-idp, rdp
 // check socket_t with skValid
@@ -62,12 +39,12 @@ bool skIsValid(socket_t sock);
 bool skClose(socket_t sock);
 
 // Fill out a sk_addrin_t structure with "ip" and "port"
-sk_addrin_t skAddrinInit(const char *ip, uint16_t port);
+skaddrin_t skAddrinInit(const char *ip, uint16_t port);
 
 // Associate a local address with a socket
 bool skBind(socket_t sock, const char *ip, uint16_t port);
 // Associate a local address with a socket
-bool skBindPro(socket_t sock, const sk_addr_t *name, sk_len_t namelen);
+bool skBindPro(socket_t sock, const skaddr_t *name, int namelen);
 
 // Place a socket in a state in which it is listening for an incoming connection
 bool skListen(socket_t sock);
@@ -77,29 +54,29 @@ bool skListenPro(socket_t sock, int backlog);
 // Permits an incoming connection attempt on a socket
 socket_t skAccept(socket_t sock);
 // Permits an incoming connection attempt on a socket
-socket_t skAcceptPro(socket_t sock, sk_addr_t *addr, sk_len_t *addrlen);
+socket_t skAcceptPro(socket_t sock, skaddr_t *addr, int *addrlen);
 
 // Connects to a server (e.g. "127.0.0.1" or "google.com") with a port(e.g. 1234), returns true on success
 bool skConnect(socket_t sock, const char *server, unsigned short server_port);
 // Connects to a server, returns true on success
-bool skConnectPro(socket_t sock, const sk_addr_t *name, sk_len_t namelen);
+bool skConnectPro(socket_t sock, const skaddr_t *name, int namelen);
 
 // Sends data on a socket, returns true on success
 int skSend(socket_t sock, const void *buf, int len);
 // Sends data on a socket, returns true on success
 int skSendPro(socket_t sock, const void *buf, int len, int flags);
 // Sends data to a specific destination
-int skSendTo(socket_t sock, const void *buf, int len, const sk_addrin_t *to);
+int skSendTo(socket_t sock, const void *buf, int len, const skaddrin_t *to);
 // Sends data to a specific destination
-int skSendToPro(socket_t sock, const void *buf, int len, int flags, const sk_addr_t *to, int tolen);
+int skSendToPro(socket_t sock, const void *buf, int len, int flags, const skaddr_t *to, int tolen);
 // Receives data from a socket, returns byte count on success, 0 on connection close or -1 on error
 int skReceive(socket_t sock, void *buf, int len);
 // Receives data from a socket, returns byte count on success, 0 on connection close or -1 on error
 int skReceivePro(socket_t sock, void *buf, int len, int flags);
 // Receives a datagram and stores the source address. 
-int skReceiveFrom(socket_t sock, void *buf, int len, sk_addrin_t *from);
+int skReceiveFrom(socket_t sock, void *buf, int len, skaddrin_t *from);
 // Receives a datagram and stores the source address. 
-int skReceiveFromPro(socket_t sock, void *buf, int len, int flags, sk_addr_t *from, sk_len_t *fromlen);
+int skReceiveFromPro(socket_t sock, void *buf, int len, int flags, skaddr_t *from, int *fromlen);
 
 // Wait for an event on some sockets
 int skPoll(skpoll_t *to_poll, int num_to_poll, int timeout);
@@ -108,14 +85,3 @@ int skPoll(skpoll_t *to_poll, int num_to_poll, int timeout);
 int skGetError(void);
 // Returns a human-readable string from a skGetError
 const char *skGetErrorString(void);
-
-// == UDP SOCKETS ==========================================
-
-typedef socket_t udpsock_t;
-
-
-
-
-#ifdef __cplusplus
-} // extern "C"
-#endif

colla/str.c

@@ -1,291 +1,259 @@
 #include "str.h"
 
-#include <string.h>
+#include "warnings/colla_warn_beg.h"
-#include <stdlib.h>
-#include <limits.h>
-#include <ctype.h>
-#include <assert.h>
-#include <stdio.h>
 
+#include "arena.h"
+#include "format.h"
 #include "tracelog.h"
-#include "strstream.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
-#include "win32_slim.h"
+#include <stringapiset.h>
-#else
-#include <iconv.h>
-#endif
-
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
 #endif
 
 // == STR_T ========================================================
 
-str_t strInit(void) {
+str_t strInit(arena_t *arena, const char *buf) {
-    return (str_t) {
+    return buf ? strInitLen(arena, buf, strlen(buf)) : (str_t){0};
-        .buf = NULL,
+}
-        .len = 0
+
+str_t strInitLen(arena_t *arena, const char *buf, usize len) {
+    if (!buf || !len) return (str_t){0};
+
+    str_t out = {
+        .buf = alloc(arena, char, len + 1),
+        .len = len
     };
-}
 
-str_t strFromStr(const char *cstr) {
+    memcpy(out.buf, buf, len);
-    return cstr ? strFromBuf(cstr, strlen(cstr)) : strInit();
-}
 
-str_t strFromView(strview_t view) {
-    return strFromBuf(view.buf, view.len);
-}
-
-str_t strFromBuf(const char *buf, usize len) {
-    if (!buf) return strInit();
-    str_t str;
-    str.len = len;
-    str.buf = (char *)malloc(len + 1);
-    memcpy(str.buf, buf, len);
-    str.buf[len] = '\0';
-    return str;
-}
-
-str_t strFromFmt(const char *fmt, ...) {
-    str_ostream_t out = ostrInit();
-    va_list va;
-    va_start(va, fmt);
-    ostrPrintfV(&out, fmt, va);
-    va_end(va);
-    return ostrAsStr(out);
-}
-
-void strFree(str_t ctx) {
-    free(ctx.buf);
-}
-
-str_t strFromWCHAR(const wchar_t *src, usize len) {
-    if(len == 0) len = wcslen(src);
-
-#ifdef _WIN32
-    // TODO CP_ACP should be CP_UTF8 but if i put CP_UTF8 it doesn't work?? 
-    int result_len = WideCharToMultiByte(
-        CP_ACP, 0, 
-        src, (int)len, 
-        NULL, 0,
-        NULL, NULL
-    );
-    char *buf = (char *)malloc(result_len + 1);
-    if(buf) {
-        WideCharToMultiByte(
-            CP_ACP, 0, 
-            src, (int)len, 
-            buf, result_len, 
-            NULL, NULL
-        );
-        buf[result_len] = '\0';
-    }
-    return (str_t) {
-        .buf = buf,
-        .len = result_len
-    };
-#else
-    usize actual_len = len * sizeof(wchar_t);
-
-    usize dest_len = len * 6;
-    char *dest = (char *)malloc(dest_len);
-
-    iconv_t cd = iconv_open("UTF-8", "WCHAR_T");
-    assert(cd);
-
-    usize dest_left = dest_len;
-    char *dest_temp = dest;
-    char *src_temp = (char*)src;
-    usize lost = iconv(cd, &src_temp, &actual_len, &dest_temp, &dest_left);
-    assert(lost != ((usize)-1));
-    (void)lost;
-
-    dest_len -= dest_left;
-    dest = (char *)realloc(dest, dest_len + 1);
-    dest[dest_len] = '\0';
-
-    iconv_close(cd);
-
-    return (str_t){
-        .buf = dest,
-        .len = dest_len
-    };
-#endif
-}
-
-wchar_t *strToWCHAR(str_t ctx) {
-#ifdef _WIN32
-    UINT codepage = CP_ACP;
-    int len = MultiByteToWideChar(
-        codepage, 0,
-        ctx.buf, (int)ctx.len,
-        NULL, 0
-    );
-    wchar_t *str = (wchar_t *)malloc(sizeof(wchar_t) * (len + 1));
-    if(!str) return NULL;
-    len = MultiByteToWideChar(
-        codepage, 0,
-        ctx.buf, (int)ctx.len,
-        str, len
-    );
-    str[len] = '\0';
-    return str;
-#else
-    usize dest_len = ctx.len * sizeof(wchar_t);
-    char *dest = (char *)malloc(dest_len);
-
-    iconv_t cd = iconv_open("WCHAR_T", "UTF-8");
-    assert(cd);
-
-    usize dest_left = dest_len;
-    char *dest_temp = dest;
-    char *src_temp = ctx.buf;
-    usize lost = iconv(cd, &src_temp, &ctx.len, &dest_temp, &dest_left);
-    assert(lost != ((usize)-1));
-    (void)lost;
-
-    dest_len -= dest_left;
-    dest = (char *)realloc(dest, dest_len + 1);
-    dest[dest_len] = '\0';
-
-    iconv_close(cd);
-
-    return (wchar_t *)dest;
-#endif
-}
-
-str_t strDup(str_t ctx) {
-    return strFromBuf(ctx.buf, ctx.len);
-}
-
-str_t strMove(str_t *ctx) {
-    str_t out = *ctx;
-    ctx->buf = NULL;
-    ctx->len = 0;
     return out;
 }
 
-strview_t strGetView(str_t ctx) {
+str_t strInitView(arena_t *arena, strview_t view) {
-    return (strview_t) {
+    return strInitLen(arena, view.buf, view.len);
-        .buf = ctx.buf,
-        .len = ctx.len
-    };
 }
 
-char *strBegin(str_t ctx) {
+str_t strFmt(arena_t *arena, const char *fmt, ...) {
-    return ctx.buf;
+    va_list args;
+    va_start(args, fmt);
+    str_t out = strFmtv(arena, fmt, args);
+    va_end(args);
+    return out;
 }
 
-char *strEnd(str_t ctx) {
+str_t strFmtv(arena_t *arena, const char *fmt, va_list args) {
-    return ctx.buf ? ctx.buf + ctx.len : NULL;
+    va_list vcopy;
+    va_copy(vcopy, args);
+    int len = fmtBufferv(NULL, 0, fmt, vcopy);
+    va_end(vcopy);
+
+    char *buffer = alloc(arena, char, len + 1);
+    fmtBufferv(buffer, len + 1, fmt, args);
+
+    return (str_t){ .buf = buffer, .len = (usize)len };
 }
 
-char strBack(str_t ctx) {
+str_t strFromWChar(arena_t *arena, const wchar_t *src, usize srclen) {
-    return ctx.buf ? ctx.buf[ctx.len - 1] : '\0';
+    if (!src)    return (str_t){0};
+    if (!srclen) srclen = wcslen(src);
+
+    str_t out = {0};
+
+#if COLLA_WIN
+    int outlen = WideCharToMultiByte(
+        CP_UTF8, 0,
+        src, (int)srclen,
+        NULL, 0,
+        NULL, NULL
+    );
+
+    if (outlen == 0) {
+        unsigned long error = GetLastError();
+        if (error == ERROR_NO_UNICODE_TRANSLATION) {
+            err("couldn't translate wide string (%S) to utf8, no unicode translation", src);
+        }
+        else {
+            err("couldn't translate wide string (%S) to utf8, %u", error);
+        }
+
+        return (str_t){0};
+    }
+
+    out.buf = alloc(arena, char, outlen + 1);
+    WideCharToMultiByte(
+        CP_UTF8, 0,
+        src, (int)srclen,
+        out.buf, outlen,
+        NULL, NULL
+    );
+
+#elif COLLA_LIN
+    fatal("strFromWChar not implemented yet!");
+#endif
+
+    return out;
+}
+
+bool strEquals(str_t a, str_t b) {
+    return strCompare(a, b) == 0;
+}
+
+int strCompare(str_t a, str_t b) {
+    return a.len == b.len ?
+        memcmp(a.buf, b.buf, a.len) :
+        a.len - (int)b.len;
+}
+
+str_t strDup(arena_t *arena, str_t src) {
+    return strInitLen(arena, src.buf, src.len);
 }
 
 bool strIsEmpty(str_t ctx) {
-    return ctx.len == 0;
+    return ctx.len == 0 || ctx.buf == NULL;
-}
-
-void strSwap(str_t *ctx, str_t *other) {
-    char *buf  = other->buf;
-    usize len = other->len;
-    other->buf = ctx->buf;
-    other->len = ctx->len;
-    ctx->buf = buf;
-    ctx->len = len;
 }
 
 void strReplace(str_t *ctx, char from, char to) {
-    for(usize i = 0; i < ctx->len; ++i) {
+    if (!ctx) return;
-        if(ctx->buf[i] == from) {
+    char *buf = ctx->buf;
-            ctx->buf[i] = to;
+    for (usize i = 0; i < ctx->len; ++i) {
-        }
+        buf[i] = buf[i] == from ? to : buf[i];
     }
 }
 
-str_t strSubstr(str_t ctx, usize from, usize to) {
+strview_t strSub(str_t ctx, usize from, usize to) {
-    if(strIsEmpty(ctx)) return strInit();
     if (to > ctx.len) to = ctx.len;
     if (from > to)    from = to;
-    return strFromBuf(ctx.buf + from, to - from);
+    return (strview_t){ ctx.buf + from, to - from };
-}
-
-strview_t strSubview(str_t ctx, usize from, usize to) {
-    if(strIsEmpty(ctx)) return strvInit(NULL);
-    if (to > ctx.len) to = ctx.len;
-    if (from > to) from = to;
-    return strvInitLen(ctx.buf + from, to - from);
 }
 
 void strLower(str_t *ctx) {
-    for(usize i = 0; i < ctx->len; ++i) {
+    char *buf = ctx->buf;
-        ctx->buf[i] = (char)tolower(ctx->buf[i]);
+    for (usize i = 0; i < ctx->len; ++i) {
+        buf[i] = (buf[i] >= 'A' && buf[i] <= 'Z') ?
+                    buf[i] += 'a' - 'A' :
+                    buf[i];
     }
 }
 
-str_t strToLower(str_t ctx) {
-    str_t str = strDup(ctx);
-    strLower(&str);
-    return str;
-}
-
 void strUpper(str_t *ctx) {
-    for(usize i = 0; i < ctx->len; ++i) {
+    char *buf = ctx->buf;
-        ctx->buf[i] = (char)toupper(ctx->buf[i]);
+    for (usize i = 0; i < ctx->len; ++i) {
+        buf[i] = (buf[i] >= 'a' && buf[i] <= 'z') ?
+                    buf[i] -= 'a' - 'A' :
+                    buf[i];
     }
 }
 
-str_t strToUpper(str_t ctx) {
+str_t strToLower(arena_t *arena, str_t ctx) {
-    str_t str = strDup(ctx);
+    strLower(&ctx);
-    strUpper(&str);
+    return strDup(arena, ctx);
-    return str;
 }
 
+str_t strToUpper(arena_t *arena, str_t ctx) {
+    strUpper(&ctx);
+    return strDup(arena, ctx);
+}
+
+
 // == STRVIEW_T ====================================================
 
 strview_t strvInit(const char *cstr) {
-    return strvInitLen(cstr, cstr ? strlen(cstr) : 0);
+    return (strview_t){
-}
+        .buf = cstr,
-
+        .len = cstr ? strlen(cstr) : 0,
-strview_t strvInitStr(str_t str) {
-    return strvInitLen(str.buf, str.len);
-}
-
-strview_t strvInitLen(const char *buf, usize size) {
-    return (strview_t) {
-        .buf = buf,
-        .len = size
     };
 }
 
-char strvFront(strview_t ctx) {
+strview_t strvInitLen(const char *buf, usize size) {
-    return ctx.buf[0];
+    return (strview_t){
+        .buf = buf,
+        .len = size,
+    };
 }
 
-char strvBack(strview_t ctx) {
+strview_t strvInitStr(str_t str) {
-    return ctx.buf[ctx.len - 1];
+    return (strview_t){
+        .buf = str.buf,
+        .len = str.len
+    };
 }
 
-const char *strvBegin(strview_t ctx) {
-    return ctx.buf;
-}
-
-const char *strvEnd(strview_t ctx) {
-    return ctx.buf + ctx.len;
-}
 
 bool strvIsEmpty(strview_t ctx) {
-    return ctx.len == 0;
+    return ctx.len == 0 || !ctx.buf;
+}
+
+bool strvEquals(strview_t a, strview_t b) {
+    return strvCompare(a, b) == 0;
+}
+
+int strvCompare(strview_t a, strview_t b) {
+    return a.len == b.len ?
+        memcmp(a.buf, b.buf, a.len) :
+        a.len - (int)b.len;
+}
+
+wchar_t *strvToWChar(arena_t *arena, strview_t ctx, usize *outlen) {
+    wchar_t *out = NULL;
+    int len = 0;
+
+    if (strvIsEmpty(ctx)) {
+        goto error;
+    }
+
+#if COLLA_WIN
+    len = MultiByteToWideChar(
+        CP_UTF8, 0,
+        ctx.buf, (int)ctx.len,
+        NULL, 0
+    );
+
+    if (len == 0) {
+        unsigned long error = GetLastError();
+        if (error == ERROR_NO_UNICODE_TRANSLATION) {
+            err("couldn't translate string (%v) to a wide string, no unicode translation", ctx);
+        }
+        else {
+            err("couldn't translate string (%v) to a wide string, %u", ctx, error);
+        }
+
+        goto error;
+    }
+
+    out = alloc(arena, wchar_t, len + 1);
+
+    MultiByteToWideChar(
+        CP_UTF8, 0,
+        ctx.buf, (int)ctx.len,
+        out, len
+    );
+
+#elif COLLA_LIN
+    fatal("strFromWChar not implemented yet!");
+#endif
+
+error:
+    if (outlen) {
+        *outlen = (usize)len;
+    }
+    return out;
+}
+
+TCHAR *strvToTChar(arena_t *arena, strview_t str) {
+#if UNICODE
+    return strvToWChar(arena, str, NULL);
+#else
+    char *cstr = alloc(arena, char, str.len + 1);
+    memcpy(cstr, str.buf, str.len);
+    return cstr;
+#endif
 }
 
 strview_t strvRemovePrefix(strview_t ctx, usize n) {
     if (n > ctx.len) n = ctx.len;
     return (strview_t){
         .buf = ctx.buf + n,
-        .len = ctx.len - n
+        .len = ctx.len - n,
     };
 }
 
@@ -293,7 +261,7 @@ strview_t strvRemoveSuffix(strview_t ctx, usize n) {
     if (n > ctx.len) n = ctx.len;
     return (strview_t){
         .buf = ctx.buf,
-        .len = ctx.len - n
+        .len = ctx.len - n,
     };
 }
 
@@ -303,334 +271,115 @@ strview_t strvTrim(strview_t ctx) {
 
 strview_t strvTrimLeft(strview_t ctx) {
     strview_t out = ctx;
-    for (usize i = 0; i < ctx.len && isspace(ctx.buf[i]); ++i) {
+    for (usize i = 0; i < ctx.len; ++i) {
-        ++out.buf;
+        char c = ctx.buf[i];
-        --out.len;
+        if (c != ' ' || c < '\t' || c > '\r') {
+            break;
+        }
+        out.buf++;
+        out.len--;
     }
     return out;
 }
 
 strview_t strvTrimRight(strview_t ctx) {
     strview_t out = ctx;
-    for (isize i = ctx.len - 1; i >= 0 && isspace(ctx.buf[i]); --i) {
+    for (isize i = ctx.len - 1; i >= 0; --i) {
-        --out.len;
+        char c = ctx.buf[i];
+        if (c != ' ' || c < '\t' || c > '\r') {
+            break;
+        }
+        out.len--;
     }
     return out;
 }
 
-str_t strvCopy(strview_t ctx) {
-    return strFromView(ctx);
-}
-
-str_t strvCopyN(strview_t ctx, usize count, usize from) {
-    usize sz = ctx.len + 1 - from;
-    count = min(count, sz);
-    return strFromBuf(ctx.buf + from, count);
-}
-
-usize strvCopyBuf(strview_t ctx, char *buf, usize len, usize from) {
-    usize sz = ctx.len + 1 - from;
-    len = min(len, sz);
-    memcpy(buf, ctx.buf + from, len);
-    buf[len - 1] = '\0';
-    return len - 1;
-}
-
 strview_t strvSub(strview_t ctx, usize from, usize to) {
     if (to > ctx.len) to = ctx.len;
     if (from > to) from = to;
-    return strvInitLen(ctx.buf + from, to - from);
+    return (strview_t){ ctx.buf + from, to - from };
-}
-
-int strvCompare(strview_t ctx, strview_t other) {
-    if(ctx.len < other.len) return -1;
-    if(ctx.len > other.len) return  1;
-    return memcmp(ctx.buf, other.buf, ctx.len);
-}
-
-int strvICompare(strview_t ctx, strview_t other) {
-    if(ctx.len < other.len) return -1;
-    if(ctx.len > other.len) return  1;
-    for(usize i = 0; i < ctx.len; ++i) {
-        int a = tolower(ctx.buf[i]);
-        int b = tolower(other.buf[i]);
-        if(a != b) return a - b;
-    }
-    return 0;
 }
 
 bool strvStartsWith(strview_t ctx, char c) {
-    return strvFront(ctx) == c;
+    return ctx.len > 0 && ctx.buf[0] == c;
 }
 
 bool strvStartsWithView(strview_t ctx, strview_t view) {
-    if(ctx.len < view.len) return false;
+    return ctx.len >= view.len && memcmp(ctx.buf, view.buf, view.len) == 0;
-    return memcmp(ctx.buf, view.buf, view.len) == 0;
 }
 
 bool strvEndsWith(strview_t ctx, char c) {
-    return strvBack(ctx) == c;
+    return ctx.len > 0 && ctx.buf[ctx.len - 1] == c;
 }
 
 bool strvEndsWithView(strview_t ctx, strview_t view) {
-    if(ctx.len < view.len) return false;
+    return ctx.len >= view.len && memcmp(ctx.buf + ctx.len, view.buf, view.len) == 0;
-    return memcmp(ctx.buf + ctx.len - view.len, view.buf, view.len) == 0;
 }
 
 bool strvContains(strview_t ctx, char c) {
     for(usize i = 0; i < ctx.len; ++i) {
-        if(ctx.buf[i] == c) return true;
+        if(ctx.buf[i] == c) {
+            return true;
+        }
     }
     return false;
 }
 
 bool strvContainsView(strview_t ctx, strview_t view) {
-    if(ctx.len < view.len) return false;
+    if (ctx.len < view.len) return false;
     usize end = ctx.len - view.len;
-    for(usize i = 0; i < end; ++i) {
+    for (usize i = 0; i < end; ++i) {
-        if(memcmp(ctx.buf + i, view.buf, view.len) == 0) return true;
+        if (memcmp(ctx.buf + i, view.buf, view.len) == 0) {
+            return true;
+        }
     }
     return false;
 }
 
 usize strvFind(strview_t ctx, char c, usize from) {
-    for(usize i = from; i < ctx.len; ++i) {
+    for (usize i = from; i < ctx.len; ++i) {
-        if(ctx.buf[i] == c) return i;
+        if (ctx.buf[i] == c) {
-    }
-    return SIZE_MAX;
-}
-
-usize strvFindView(strview_t ctx, strview_t view, usize from) {
-    if(ctx.len < view.len) return SIZE_MAX;
-    usize end = ctx.len - view.len;
-    for(usize i = from; i < end; ++i) {
-        if(memcmp(ctx.buf + i, view.buf, view.len) == 0) return i;
-    }
-    return SIZE_MAX;
-}
-
-usize strvRFind(strview_t ctx, char c, usize from) {
-    if(from >= ctx.len) {
-        from = ctx.len;
-    }
-
-    from = ctx.len - from;
-
-    const char *buf = ctx.buf + from;
-    for(; buf >= ctx.buf; --buf) {
-        if(*buf == c) return (buf - ctx.buf);
-    }
-
-    return SIZE_MAX;
-}
-
-usize strvRFindView(strview_t ctx, strview_t view, usize from) {
-    if(view.len > ctx.len) {
-        return SIZE_MAX;
-    }
-
-    if(from > ctx.len) {
-        from = ctx.len;
-    }
-
-    from = ctx.len - from;
-    from -= view.len;
-
-    const char *buf = ctx.buf + from;
-    for(; buf >= ctx.buf; --buf) {
-        if(memcmp(buf, view.buf, view.len) == 0) return (buf - ctx.buf);
-    }
-    return SIZE_MAX;
-}
-
-usize strvFindFirstOf(strview_t ctx, strview_t view, usize from) {
-    if(ctx.len < view.len) return SIZE_MAX;
-    for(usize i = from; i < ctx.len; ++i) {
-        for(usize j = 0; j < view.len; ++j) {
-            if(ctx.buf[i] == view.buf[j]) return i;
-        }
-    }
-    return SIZE_MAX;
-}
-
-usize strvFindLastOf(strview_t ctx, strview_t view, usize from) {
-    if(from >= ctx.len) {
-        from = ctx.len - 1;
-    }
-
-    const char *buf = ctx.buf + from;
-    for(; buf >= ctx.buf; --buf) {
-        for(usize j = 0; j < view.len; ++j) {
-            if(*buf == view.buf[j]) return (buf - ctx.buf);
-        }
-    }
-
-    return SIZE_MAX;
-}
-
-usize strvFindFirstNot(strview_t ctx, char c, usize from) {
-    usize end = ctx.len - 1;
-    for(usize i = from; i < end; ++i) {
-        if(ctx.buf[i] != c) return i;
-    }
-    return SIZE_MAX;
-}
-
-usize strvFindFirstNotOf(strview_t ctx, strview_t view, usize from) {
-    for(usize i = from; i < ctx.len; ++i) {
-        if(!strvContains(view, ctx.buf[i])) {
             return i;
         }
     }
-    return SIZE_MAX;
+    return STR_NONE;
 }
 
-usize strvFindLastNot(strview_t ctx, char c, usize from) {
+usize strvFindView(strview_t ctx, strview_t view, usize from) {
-    if(from >= ctx.len) {
+    if (ctx.len < view.len) return STR_NONE;
-        from = ctx.len - 1;
+    usize end = ctx.len - view.len;
-    }
+    for (usize i = 0; i < end; ++i) {
-
+        if (memcmp(ctx.buf + i, view.buf, view.len) == 0) {
-    const char *buf = ctx.buf + from;
+            return i;
-    for(; buf >= ctx.buf; --buf) {
-        if(*buf != c) {
-            return buf - ctx.buf;
         }
     }
-
+    return STR_NONE;
-    return SIZE_MAX;
 }
 
-usize strvFindLastNotOf(strview_t ctx, strview_t view, usize from) {
+usize strvRFind(strview_t ctx, char c, usize from_right) {
-    if(from >= ctx.len) {
+    if (from_right > ctx.len) from_right = ctx.len;
-        from = ctx.len - 1;
+    isize end = (isize)(ctx.len - from_right);
-    }
+    for (isize i = end; i >= 0; --i) {
-
+        if (ctx.buf[i] == c) {
-    const char *buf = ctx.buf + from;
+            return (usize)i;
-    for(; buf >= ctx.buf; --buf) {
-        if(!strvContains(view, *buf)) {
-            return buf - ctx.buf;
         }
     }
-
+    return STR_NONE;
-    return SIZE_MAX;
 }
 
-#ifdef STR_TESTING
+usize strvRFindView(strview_t ctx, strview_t view, usize from_right) {
-#include <stdio.h>
+    if (from_right > ctx.len) from_right = ctx.len;
-#include "tracelog.h"
+    isize end = (isize)(ctx.len - from_right);
-
+    if (end < view.len) return STR_NONE;
-void strTest(void) {
+    for (isize i = end - view.len; i >= 0; --i) {
-    str_t s;
+        if (memcmp(ctx.buf + i, view.buf, view.len) == 0) {
-    debug("== testing init =================");
+            return (usize)i;
-    {
-        s = strInit();
-        printf("%s %zu\n", s.buf, s.len);
-        strFree(&s);
-        s = strInitStr("hello world");
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strFree(&s);
-        uint8 buf[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
-        s = strFromBuf((char *)buf, sizeof(buf));
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strFree(&s);
         }
-    debug("== testing view =================");
-    {
-        s = strInitStr("hello world");
-        strview_t view = strGetView(&s);
-        printf("\"%.*s\" %zu\n", (int)view.len, view.buf, view.len);
-        strFree(&s);
     }
-    debug("== testing begin/end ============");
+    return STR_NONE;
-    {
-        s = strInitStr("hello world");
-        char *beg = strBegin(&s);
-        char *end = strEnd(&s);
-        printf("[ ");
-        for(; beg < end; ++beg) {
-            printf("%c ", *beg);
-        }
-        printf("]\n");
-        strFree(&s);
-    }
-    debug("== testing back/isempty =========");
-    {
-        s = strInitStr("hello world");
-        printf("[ ");
-        while(!strIsEmpty(&s)) {
-            printf("%c ", strBack(&s));
-            strPop(&s);
-        }
-        printf("]\n");
-        strFree(&s);
-    }
-    debug("== testing append ===============");
-    {
-        s = strInitStr("hello ");
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strAppend(&s, "world");
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strAppendView(&s, strvInit(", how is it "));
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        uint8 buf[] = { 'g', 'o', 'i', 'n', 'g' };
-        strAppendBuf(&s, (char*)buf, sizeof(buf));
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strAppendChars(&s, '?', 2);
-        printf("\"%s\" %zu\n", s.buf, s.len);
-        strFree(&s);
-    }
-    debug("== testing push/pop =============");
-    {
-        s = strInit();
-        str_t s2 = strInitStr("hello world");
-
-        printf("%-14s %-14s\n", "s", "s2");
-        printf("----------------------------\n");
-        while(!strIsEmpty(&s2)) {
-            printf("%-14s %-14s\n", s.buf, s2.buf);
-            strPush(&s, strPop(&s2));
-        }
-        printf("%-14s %-14s\n", s.buf, s2.buf);
-
-        strFree(&s);
-        strFree(&s2);
-    }
-    debug("== testing swap =================");
-    {
-        s = strInitStr("hello");
-        str_t s2 = strInitStr("world");
-        printf("%-8s %-8s\n", "s", "s2");
-        printf("----------------\n");
-        printf("%-8s %-8s\n", s.buf, s2.buf);
-        strSwap(&s, &s2);
-        printf("%-8s %-8s\n", s.buf, s2.buf);
-
-        strFree(&s);
-        strFree(&s2);
-    }
-    debug("== testing substr ===============");
-    {
-        s = strInitStr("hello world");
-        printf("s: %s\n", s.buf);
-        
-        printf("-- string\n");
-        str_t s2 = strSubstr(&s, 0, 5);
-        printf("0..5: \"%s\"\n", s2.buf);
-        strFree(&s2);
-        
-        s2 = strSubstr(&s, 5, SIZE_MAX);
-        printf("6..SIZE_MAX: \"%s\"\n", s2.buf);
-        strFree(&s2);
-
-        printf("-- view\n");
-        strview_t v = strSubview(&s, 0, 5);
-        printf("0..5: \"%.*s\"\n", (int)v.len, v.buf);
-        v = strSubview(&s, 5, SIZE_MAX);
-        printf("6..SIZE_MAX: \"%.*s\"\n", (int)v.len, v.buf);
-
-        strFree(&s);
-    }
-
-    strFree(&s);
 }
-#endif
+
+#include "warnings/colla_warn_beg.h"
+
+#undef CP_UTF8
+#undef ERROR_NO_UNICODE_TRANSLATION

colla/str.h

@@ -1,19 +1,15 @@
 #pragma once
 
-#ifdef __cplusplus
+#include <stdarg.h> // va_list
-extern "C" {
+#include <string.h> // strlen
-#endif
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <limits.h>
-#include <wchar.h>
 
 #include "collatypes.h"
 
-#define STRV_NOT_FOUND SIZE_MAX
+typedef struct arena_t arena_t;
 
-typedef struct str_t {
+#define STR_NONE SIZE_MAX
+
+typedef struct {
     char *buf;
     usize len;
 } str_t;
@@ -25,73 +21,77 @@ typedef struct {
 
 // == STR_T ========================================================
 
-str_t strInit(void);
+#define str__1(arena, x)            \
-str_t strFromStr(const char *cstr);
+    _Generic((x),                   \
-str_t strFromView(strview_t view);
+        const char *: strInit,      \
-str_t strFromBuf(const char *buf, usize len);
+        char *:       strInit,      \
-str_t strFromFmt(const char *fmt, ...);
+        strview_t:    strInitView   \
+    )(arena, x)
 
-str_t strFromWCHAR(const wchar_t *src, usize len);
+#define str__2(arena, cstr, clen) strInitLen(arena, cstr, clen)
-wchar_t *strToWCHAR(str_t ctx);
+#define str__impl(_1, _2, n, ...) str__##n
 
-void strFree(str_t ctx);
+// either:
-str_t strDup(str_t ctx);
+//     arena_t arena, [const] char *cstr, [usize len]
-str_t strMove(str_t *ctx);
+//     arena_t arena, strview_t view
+#define str(arena, ...) str__impl(__VA_ARGS__, 2, 1, 0)(arena, __VA_ARGS__)
 
-strview_t strGetView(str_t ctx);
+str_t strInit(arena_t *arena, const char *buf);
+str_t strInitLen(arena_t *arena, const char *buf, usize len);
+str_t strInitView(arena_t *arena, strview_t view);
+str_t strFmt(arena_t *arena, const char *fmt, ...);
+str_t strFmtv(arena_t *arena, const char *fmt, va_list args);
 
-char *strBegin(str_t ctx);
+str_t strFromWChar(arena_t *arena, const wchar_t *src, usize srclen);
-char *strEnd(str_t ctx);
-char strBack(str_t ctx);
 
+bool strEquals(str_t a, str_t b);
+int strCompare(str_t a, str_t b);
+
+str_t strDup(arena_t *arena, str_t src);
 bool strIsEmpty(str_t ctx);
-void strReplace(str_t *ctx, char from, char to);
 
+void strReplace(str_t *ctx, char from, char to);
 // if len == SIZE_MAX, copies until end
-str_t strSubstr(str_t ctx, usize from, usize to);
+strview_t strSub(str_t ctx, usize from, usize to);
-// if len == SIZE_MAX, returns until end
-strview_t strSubview(str_t ctx, usize from, usize to);
 
 void strLower(str_t *ctx);
-str_t strToLower(str_t ctx);
-
 void strUpper(str_t *ctx);
-str_t strToUpper(str_t ctx);
 
-#ifdef STR_TESTING
+str_t strToLower(arena_t *arena, str_t ctx);
-void strTest(void);
+str_t strToUpper(arena_t *arena, str_t ctx);
-#endif
 
 // == STRVIEW_T ====================================================
 
-strview_t strvInit(const char *cstr);
+#define strv__1(x)                  \
-strview_t strvInitStr(str_t str);
+    _Generic((x),                   \
-strview_t strvInitLen(const char *buf, usize size);
+        char *:       strvInit,     \
+        const char *: strvInit,     \
+        str_t:        strvInitStr   \
+    )(x)
 
-char strvFront(strview_t ctx);
+#define strv__2(cstr, clen) strvInitLen(cstr, clen)
-char strvBack(strview_t ctx);
+#define strv__impl(_1, _2, n, ...) strv__##n
-const char *strvBegin(strview_t ctx);
+
-const char *strvEnd(strview_t ctx);
+#define strv(...) strv__impl(__VA_ARGS__, 2, 1, 0)(__VA_ARGS__)
-// move view forward by n characters
+
-strview_t strvRemovePrefix(strview_t ctx, usize n);
+strview_t strvInit(const char *cstr);
-// move view backwards by n characters
+strview_t strvInitLen(const char *buf, usize size);
-strview_t strvRemoveSuffix(strview_t ctx, usize n);
+strview_t strvInitStr(str_t str);
-// removes whitespace from the beginning and the end
-strview_t strvTrim(strview_t ctx);
-// removes whitespace from the beginning
-strview_t strvTrimLeft(strview_t ctx);
-// removes whitespace from the end
-strview_t strvTrimRight(strview_t ctx);
 
 bool strvIsEmpty(strview_t ctx);
+bool strvEquals(strview_t a, strview_t b);
+int strvCompare(strview_t a, strview_t b);
 
-str_t strvCopy(strview_t ctx);
+wchar_t *strvToWChar(arena_t *arena, strview_t ctx, usize *outlen);
-str_t strvCopyN(strview_t ctx, usize count, usize from);
+TCHAR *strvToTChar(arena_t *arena, strview_t str);
-usize strvCopyBuf(strview_t ctx, char *buf, usize len, usize from);
+
+strview_t strvRemovePrefix(strview_t ctx, usize n);
+strview_t strvRemoveSuffix(strview_t ctx, usize n);
+strview_t strvTrim(strview_t ctx);
+strview_t strvTrimLeft(strview_t ctx);
+strview_t strvTrimRight(strview_t ctx);
 
 strview_t strvSub(strview_t ctx, usize from, usize to);
-int strvCompare(strview_t ctx, strview_t other);
-int strvICompare(strview_t ctx, strview_t other);
 
 bool strvStartsWith(strview_t ctx, char c);
 bool strvStartsWithView(strview_t ctx, strview_t view);
@@ -105,18 +105,5 @@ bool strvContainsView(strview_t ctx, strview_t view);
 usize strvFind(strview_t ctx, char c, usize from);
 usize strvFindView(strview_t ctx, strview_t view, usize from);
 
-usize strvRFind(strview_t ctx, char c, usize from);
+usize strvRFind(strview_t ctx, char c, usize from_right);
-usize strvRFindView(strview_t ctx, strview_t view, usize from);
+usize strvRFindView(strview_t ctx, strview_t view, usize from_right);
-
-// Finds the first occurrence of any of the characters of 'view' in this view
-usize strvFindFirstOf(strview_t ctx, strview_t view, usize from);
-usize strvFindLastOf(strview_t ctx, strview_t view, usize from);
-
-usize strvFindFirstNot(strview_t ctx, char c, usize from);
-usize strvFindFirstNotOf(strview_t ctx, strview_t view, usize from);
-usize strvFindLastNot(strview_t ctx, char c, usize from);
-usize strvFindLastNotOf(strview_t ctx, strview_t view, usize from);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif

colla/strstream.c

@@ -1,5 +1,7 @@
 #include "strstream.h"
 
+#include "warnings/colla_warn_beg.h"
+
 #include <string.h>
 #include <stdlib.h>
 #include <limits.h>
@@ -7,9 +9,11 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <math.h> // HUGE_VALF
-#include "tracelog.h"
 
-#if defined(_WIN32) && defined(__TINYC__)
+#include "tracelog.h"
+#include "arena.h"
+
+#if COLLA_WIN && COLLA_TCC
 #define strtoull _strtoui64
 #define strtoll _strtoi64
 #define strtof strtod
@@ -17,39 +21,48 @@
 
 /* == INPUT STREAM ============================================ */
 
-str_istream_t istrInit(const char *str) {
+instream_t istrInit(const char *str) {
     return istrInitLen(str, strlen(str));
 }
 
-str_istream_t istrInitLen(const char *str, usize len) {
+instream_t istrInitLen(const char *str, usize len) {
-    str_istream_t res;
+    instream_t res;
     res.start = res.cur = str;
     res.size = len;
     return res;
 }
 
-char istrGet(str_istream_t *ctx) {
+char istrGet(instream_t *ctx) {
     return *ctx->cur++;
 }
 
-void istrIgnore(str_istream_t *ctx, char delim) {
+void istrIgnore(instream_t *ctx, char delim) {
-    usize position = ctx->cur - ctx->start;
+    for (; !istrIsFinished(*ctx) && *ctx->cur != delim; ++ctx->cur) {
-    usize i;
+
-    for(i = position; 
+    }
-        i < ctx->size && *ctx->cur != delim; 
+
-        ++i, ++ctx->cur);
+    //usize position = ctx->cur - ctx->start;
+    //usize i;
+    //for(i = position;
+    //    i < ctx->size && *ctx->cur != delim; 
+    //    ++i, ++ctx->cur);
 }
 
-void istrIgnoreAndSkip(str_istream_t *ctx, char delim) {
+void istrIgnoreAndSkip(instream_t *ctx, char delim) {
     istrIgnore(ctx, delim);
     istrSkip(ctx, 1);
 }
 
-char istrPeek(str_istream_t *ctx) {
+char istrPeek(instream_t *ctx) {
     return *ctx->cur;
 }
 
-void istrSkip(str_istream_t *ctx, usize n) {
+char istrPeekNext(instream_t *ctx) {
+    usize offset = (ctx->cur - ctx->start) + 1;
+    return offset > ctx->size ? '\0' : *(ctx->cur + 1);
+}
+
+void istrSkip(instream_t *ctx, usize n) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
     if(n > remaining) {
         warn("skipping more then remaining: %zu -> %zu", n, remaining);
@@ -58,13 +71,13 @@ void istrSkip(str_istream_t *ctx, usize n) {
     ctx->cur += n;
 }
 
-void istrSkipWhitespace(str_istream_t *ctx) {
+void istrSkipWhitespace(instream_t *ctx) {
     while (*ctx->cur && isspace(*ctx->cur)) {
         ++ctx->cur;
     }
 }
 
-void istrRead(str_istream_t *ctx, char *buf, usize len) {
+void istrRead(instream_t *ctx, char *buf, usize len) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
     if(len > remaining) {
         warn("istrRead: trying to read len %zu from remaining %zu", len, remaining);
@@ -74,7 +87,7 @@ void istrRead(str_istream_t *ctx, char *buf, usize len) {
     ctx->cur += len;
 }
 
-usize istrReadMax(str_istream_t *ctx, char *buf, usize len) {
+usize istrReadMax(instream_t *ctx, char *buf, usize len) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
     len = remaining < len ? remaining : len;
     memcpy(buf, ctx->cur, len);
@@ -82,29 +95,29 @@ usize istrReadMax(str_istream_t *ctx, char *buf, usize len) {
     return len;
 }
 
-void istrRewind(str_istream_t *ctx) {
+void istrRewind(instream_t *ctx) {
     ctx->cur = ctx->start;
 }
 
-void istrRewindN(str_istream_t *ctx, usize amount) {
+void istrRewindN(instream_t *ctx, usize amount) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
     if (amount > remaining) amount = remaining;
     ctx->cur -= amount;
 }
 
-usize istrTell(str_istream_t ctx) {
+usize istrTell(instream_t ctx) {
     return ctx.cur - ctx.start;
 }
 
-usize istrRemaining(str_istream_t ctx) {
+usize istrRemaining(instream_t ctx) {
     return ctx.size - (ctx.cur - ctx.start);
 }
 
-bool istrIsFinished(str_istream_t ctx) {
+bool istrIsFinished(instream_t ctx) {
     return (usize)(ctx.cur - ctx.start) >= ctx.size;
 }
 
-bool istrGetbool(str_istream_t *ctx, bool *val) {
+bool istrGetBool(instream_t *ctx, bool *val) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
     if(strncmp(ctx->cur, "true", remaining) == 0) {
         *val = true;
@@ -117,16 +130,16 @@ bool istrGetbool(str_istream_t *ctx, bool *val) {
     return false;
 }
 
-bool istrGetu8(str_istream_t *ctx, uint8 *val) {
+bool istrGetU8(instream_t *ctx, uint8 *val) {
     char *end = NULL;
     *val = (uint8) strtoul(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGetu8: no valid conversion could be performed");
+        warn("istrGetU8: no valid conversion could be performed");
         return false;
     }
     else if(*val == UINT8_MAX) {
-        warn("istrGetu8: value read is out of the range of representable values");
+        warn("istrGetU8: value read is out of the range of representable values");
         return false;
     }
 
@@ -134,16 +147,16 @@ bool istrGetu8(str_istream_t *ctx, uint8 *val) {
     return true;
 }
 
-bool istrGetu16(str_istream_t *ctx, uint16 *val) {
+bool istrGetU16(instream_t *ctx, uint16 *val) {
     char *end = NULL;
     *val = (uint16) strtoul(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGetu16: no valid conversion could be performed");
+        warn("istrGetU16: no valid conversion could be performed");
         return false;
     }
     else if(*val == UINT16_MAX) {
-        warn("istrGetu16: value read is out of the range of representable values");
+        warn("istrGetU16: value read is out of the range of representable values");
         return false;
     }
     
@@ -151,16 +164,16 @@ bool istrGetu16(str_istream_t *ctx, uint16 *val) {
     return true;
 }
 
-bool istrGetu32(str_istream_t *ctx, uint32 *val) {
+bool istrGetU32(instream_t *ctx, uint32 *val) {
     char *end = NULL;
     *val = (uint32) strtoul(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGetu32: no valid conversion could be performed");
+        warn("istrGetU32: no valid conversion could be performed");
         return false;
     }
     else if(*val == UINT32_MAX) {
-        warn("istrGetu32: value read is out of the range of representable values");
+        warn("istrGetU32: value read is out of the range of representable values");
         return false;
     }
     
@@ -168,16 +181,16 @@ bool istrGetu32(str_istream_t *ctx, uint32 *val) {
     return true;
 }
 
-bool istrGetu64(str_istream_t *ctx, uint64 *val) {
+bool istrGetU64(instream_t *ctx, uint64 *val) {
     char *end = NULL;
     *val = strtoull(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGetu64: no valid conversion could be performed");
+        warn("istrGetU64: no valid conversion could be performed");
         return false;
     }
     else if(*val == ULLONG_MAX) {
-        warn("istrGetu64: value read is out of the range of representable values");
+        warn("istrGetU64: value read is out of the range of representable values");
         return false;
     }
 
@@ -185,16 +198,16 @@ bool istrGetu64(str_istream_t *ctx, uint64 *val) {
     return true;
 }
 
-bool istrGeti8(str_istream_t *ctx, int8 *val) {
+bool istrGetI8(instream_t *ctx, int8 *val) {
     char *end = NULL;
     *val = (int8) strtol(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGeti8: no valid conversion could be performed");
+        warn("istrGetI8: no valid conversion could be performed");
         return false;
     }
     else if(*val == INT8_MAX || *val == INT8_MIN) {
-        warn("istrGeti8: value read is out of the range of representable values");
+        warn("istrGetI8: value read is out of the range of representable values");
         return false;
     }
 
@@ -202,16 +215,16 @@ bool istrGeti8(str_istream_t *ctx, int8 *val) {
     return true;
 }
 
-bool istrGeti16(str_istream_t *ctx, int16 *val) {
+bool istrGetI16(instream_t *ctx, int16 *val) {
     char *end = NULL;
     *val = (int16) strtol(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGeti16: no valid conversion could be performed");
+        warn("istrGetI16: no valid conversion could be performed");
         return false;
     }
     else if(*val == INT16_MAX || *val == INT16_MIN) {
-        warn("istrGeti16: value read is out of the range of representable values");
+        warn("istrGetI16: value read is out of the range of representable values");
         return false;
     }
 
@@ -219,16 +232,16 @@ bool istrGeti16(str_istream_t *ctx, int16 *val) {
     return true;
 }
 
-bool istrGeti32(str_istream_t *ctx, int32 *val) {
+bool istrGetI32(instream_t *ctx, int32 *val) {
     char *end = NULL;
     *val = (int32) strtol(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGeti32: no valid conversion could be performed");
+        warn("istrGetI32: no valid conversion could be performed");
         return false;
     }
     else if(*val == INT32_MAX || *val == INT32_MIN) {
-        warn("istrGeti32: value read is out of the range of representable values");
+        warn("istrGetI32: value read is out of the range of representable values");
         return false;
     }
 
@@ -236,16 +249,16 @@ bool istrGeti32(str_istream_t *ctx, int32 *val) {
     return true;
 }
 
-bool istrGeti64(str_istream_t *ctx, int64 *val) {
+bool istrGetI64(instream_t *ctx, int64 *val) {
     char *end = NULL;
     *val = strtoll(ctx->cur, &end, 0);
     
     if(ctx->cur == end) {
-        warn("istrGeti64: no valid conversion could be performed");
+        warn("istrGetI64: no valid conversion could be performed");
         return false;
     }
     else if(*val == INT64_MAX || *val == INT64_MIN) {
-        warn("istrGeti64: value read is out of the range of representable values");
+        warn("istrGetI64: value read is out of the range of representable values");
         return false;
     }
 
@@ -253,16 +266,16 @@ bool istrGeti64(str_istream_t *ctx, int64 *val) {
     return true;
 }
 
-bool istrGetfloat(str_istream_t *ctx, float *val) {
+bool istrGetFloat(instream_t *ctx, float *val) {
     char *end = NULL;
     *val = strtof(ctx->cur, &end);
     
     if(ctx->cur == end) {
-        warn("istrGetfloat: no valid conversion could be performed");
+        warn("istrGetFloat: no valid conversion could be performed");
         return false;
     }
     else if(*val == HUGE_VALF || *val == -HUGE_VALF) {
-        warn("istrGetfloat: value read is out of the range of representable values");
+        warn("istrGetFloat: value read is out of the range of representable values");
         return false;
     }
 
@@ -270,16 +283,16 @@ bool istrGetfloat(str_istream_t *ctx, float *val) {
     return true;
 }
 
-bool istrGetdouble(str_istream_t *ctx, double *val) {
+bool istrGetDouble(instream_t *ctx, double *val) {
     char *end = NULL;
     *val = strtod(ctx->cur, &end);
     
     if(ctx->cur == end) {
-        warn("istrGetdouble: no valid conversion could be performed");
+        warn("istrGetDouble: no valid conversion could be performed (%.5s)", ctx->cur);
         return false;
     }
     else if(*val == HUGE_VAL || *val == -HUGE_VAL) {
-        warn("istrGetdouble: value read is out of the range of representable values");
+        warn("istrGetDouble: value read is out of the range of representable values");
         return false;
     }
 
@@ -287,286 +300,127 @@ bool istrGetdouble(str_istream_t *ctx, double *val) {
     return true;
 }
 
-usize istrGetstring(str_istream_t *ctx, char **val, char delim) {
+str_t istrGetStr(arena_t *arena, instream_t *ctx, char delim) {
     const char *from = ctx->cur;
     istrIgnore(ctx, delim);
     // if it didn't actually find it, it just reached the end of the string
     if(*ctx->cur != delim) {
-        *val = NULL;
+        return (str_t){0};
-        return 0;
     }
     usize len = ctx->cur - from;
-    *val = (char *)malloc(len + 1);
+    str_t out = {
-    memcpy(*val, from, len);
+        .buf = alloc(arena, char, len + 1),
-    (*val)[len] = '\0';
+        .len = len
-    return len;
+    };
+    memcpy(out.buf, from, len);
+    return out;
 }
 
-usize istrGetstringBuf(str_istream_t *ctx, char *val, usize len) {
+usize istrGetBuf(instream_t *ctx, char *buf, usize buflen) {
     usize remaining = ctx->size - (ctx->cur - ctx->start);
-    len -= 1;
+    buflen -= 1;
-    len = remaining < len ? remaining : len;
+    buflen = remaining < buflen ? remaining : buflen;
-    memcpy(val, ctx->cur, len);
+    memcpy(buf, ctx->cur, buflen);
-    val[len] = '\0';
+    buf[buflen] = '\0';
-    ctx->cur += len;
+    ctx->cur += buflen;
-    return len;
+    return buflen;
 }
 
-strview_t istrGetview(str_istream_t *ctx, char delim) {
+strview_t istrGetView(instream_t *ctx, char delim) {
     const char *from = ctx->cur;
     istrIgnore(ctx, delim);
     usize len = ctx->cur - from;
     return strvInitLen(from, len);
 }
 
-strview_t istrGetviewLen(str_istream_t *ctx, usize from, usize to) {
+strview_t istrGetViewLen(instream_t *ctx, usize len) {
-    usize len = ctx->size - (ctx->cur - ctx->start) - from;
+    const char *from = ctx->cur;
-    if (to > len) to = len;
+    istrSkip(ctx, len);
-    if (from > to) from = to;
+    usize buflen = ctx->cur - from;
-    return strvInitLen(ctx->cur + from, to - from);
+    return (strview_t){ from, buflen };
 }
 
 /* == OUTPUT STREAM =========================================== */
 
-static void _ostrRealloc(str_ostream_t *ctx, usize needed) {
+void ostr__remove_null(outstream_t *o) {
-    ctx->cap = (ctx->cap * 2) + needed;
+    if (ostrTell(o)) {
-    ctx->buf = (char *)realloc(ctx->buf, ctx->cap);
+        arenaPop(o->arena, 1);
+    }
 }
 
-str_ostream_t ostrInit() {
+outstream_t ostrInit(arena_t *arena) {
-    return ostrInitLen(1);
+    return (outstream_t){
-}
+        .beg = (char *)(arena ? arena->current : NULL),
-
+        .arena = arena,
-str_ostream_t ostrInitLen(usize initial_alloc) {
-    str_ostream_t stream;
-    stream.buf = (char *)calloc(initial_alloc, 1);
-    stream.len = 0;
-    stream.cap = initial_alloc;
-    return stream;
-}
-
-str_ostream_t ostrInitStr(const char *cstr, usize len) {
-    str_ostream_t stream;
-    stream.buf = (char *)malloc(len + 1);
-    memcpy(stream.buf, cstr, len);
-    stream.len = len;
-    stream.cap = len + 1;
-    return stream;
-}
-
-void ostrFree(str_ostream_t ctx) {
-    free(ctx.buf);
-}
-
-void ostrClear(str_ostream_t *ctx) {
-    ctx->len = 0;
-}
-
-char ostrBack(str_ostream_t ctx) {
-    if(ctx.len == 0) return '\0';
-    return ctx.buf[ctx.len - 1];
-}
-
-str_t ostrAsStr(str_ostream_t ctx) {
-    return (str_t) {
-        .buf = ctx.buf,
-        .len = ctx.len
     };
 }
 
-strview_t ostrAsView(str_ostream_t ctx) {
+void ostrClear(outstream_t *ctx) {
-    return (strview_t) {
+    arenaPop(ctx->arena, ostrTell(ctx));
-        .buf = ctx.buf,
+}
-        .len = ctx.len
+
+usize ostrTell(outstream_t *ctx) {
+    return ctx->arena ? (char *)ctx->arena->current - ctx->beg : 0;
+}
+
+char ostrBack(outstream_t *ctx) {
+    return arenaTell(ctx->arena) ? *ctx->arena->current : '\0';
+}
+
+str_t ostrAsStr(outstream_t *ctx) {
+    return (str_t){
+        .buf = ctx->beg,
+        .len = ostrTell(ctx)
     };
 }
 
-void ostrReplace(str_ostream_t *ctx, char from, char to) {
+strview_t ostrAsView(outstream_t *ctx) {
-    for(usize i = 0; i < ctx->len; ++i) {
+    return (strview_t){
-        if(ctx->buf[i] == from) {
+        .buf = ctx->beg,
-            ctx->buf[i] = to;
+        .len = ostrTell(ctx)
-        }
+    };
-    }
 }
 
-void ostrPrintf(str_ostream_t *ctx, const char *fmt, ...) {
+void ostrPrintf(outstream_t *ctx, const char *fmt, ...) {
-    va_list va;
+    va_list args;
-    va_start(va, fmt);
+    va_start(args, fmt);
-    ostrPrintfV(ctx, fmt, va);
+    ostrPrintfV(ctx, fmt, args);
-    va_end(va);
+    va_end(args);
 }
 
-void ostrPrintfV(str_ostream_t *ctx, const char *fmt, va_list args) {
+void ostrPrintfV(outstream_t *ctx, const char *fmt, va_list args) {
-    va_list vtemp;
+    if (!ctx->arena) return;
-    int len;
+    ostr__remove_null(ctx);
-    usize remaining;
+    strFmtv(ctx->arena, fmt, args);
-    
-    // vsnprintf returns the length of the formatted string, even if truncated
-    // we use this to get the actual length of the formatted string
-    va_copy(vtemp, args);
-    len = vsnprintf(NULL, 0, fmt, vtemp);
-    va_end(vtemp);
-    if(len < 0) {
-        err("couldn't format string \"%s\"", fmt);
-        goto error;
-    }
-
-    remaining = ctx->cap - ctx->len;
-    if(remaining < (usize)len) {
-        _ostrRealloc(ctx, len + 1);
-        remaining = ctx->cap - ctx->len;
-    }
-
-    // actual formatting here
-    va_copy(vtemp, args);
-    len = vsnprintf(ctx->buf + ctx->len, remaining, fmt, vtemp);
-    va_end(vtemp);
-    if(len < 0) {
-        err("couldn't format stringh \"%s\"", fmt);
-        goto error;
-    }
-    ctx->len += len;
-
-error:
-    return;
 }
 
-
+void ostrPutc(outstream_t *ctx, char c) {
-#define APPEND_BUF_LEN 20
+    if (!ctx->arena) return;
-
+    ostr__remove_null(ctx);
-void ostrPutc(str_ostream_t *ctx, char c) {
+    char *newc = alloc(ctx->arena, char);
-    ostrAppendchar(ctx, c);
+    *newc = c;
 }
 
-void ostrPuts(str_ostream_t *ctx, const char *str) {
+void ostrPuts(outstream_t *ctx, strview_t v) {
-    ostrAppendview(ctx, strvInit(str));
+    if (strvIsEmpty(v)) return;
+    ostr__remove_null(ctx);
+    str(ctx->arena, v);
 }
 
-void ostrAppendbool(str_ostream_t *ctx, bool val) {
+void ostrAppendBool(outstream_t *ctx, bool val) {
-    ostrAppendview(ctx, strvInit(val ? "true" : "false"));
+    ostrPuts(ctx, val ? strv("true") : strv("false"));
 }
 
-void ostrAppendchar(str_ostream_t *ctx, char val) {
+void ostrAppendUInt(outstream_t *ctx, uint64 val) {
-    if(ctx->len >= ctx->cap) {
+    ostrPrintf(ctx, "%I64u", val);
-        _ostrRealloc(ctx, 1);
-    }
-    ctx->buf[ctx->len++] = val;
-    ctx->buf[ctx->len] = '\0';
 }
 
-void ostrAppendu8(str_ostream_t *ctx, uint8 val) {
+void ostrAppendInt(outstream_t *ctx, int64 val) {
-    char buf[APPEND_BUF_LEN];
+    ostrPrintf(ctx, "%I64d", val);
-    int len = snprintf(buf, sizeof(buf), "%hhu", val);
-    if(len <= 0) {
-        err("ostrAppendu8: couldn't write %hhu", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
 }
 
-void ostrAppendu16(str_ostream_t *ctx, uint16 val) {
+void ostrAppendNum(outstream_t *ctx, double val) {
-    char buf[APPEND_BUF_LEN];
+    ostrPrintf(ctx, "%g", val);
-    int len = snprintf(buf, sizeof(buf), "%hu", val);
-    if(len <= 0) {
-        err("ostrAppendu16: couldn't write %hu", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
 }
 
-void ostrAppendu32(str_ostream_t *ctx, uint32 val) {
+#include "warnings/colla_warn_end.h"
-    char buf[APPEND_BUF_LEN];
-    int len = snprintf(buf, sizeof(buf), "%u", val);
-    if(len <= 0) {
-        err("ostrAppendu32: couldn't write %u", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendu64(str_ostream_t *ctx, uint64 val) {
-    char buf[APPEND_BUF_LEN];
-#if _WIN32
-    int len = snprintf(buf, sizeof(buf), "%llu", val);
-#else
-    int len = snprintf(buf, sizeof(buf), "%lu", val);
-#endif
-    if(len <= 0) {
-        err("ostrAppendu64: couldn't write %lu", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendi8(str_ostream_t *ctx, int8 val) {
-    char buf[APPEND_BUF_LEN];
-    int len = snprintf(buf, sizeof(buf), "%hhi", val);
-    if(len <= 0) {
-        err("ostrAppendi8: couldn't write %hhi", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendi16(str_ostream_t *ctx, int16 val) {
-    char buf[APPEND_BUF_LEN];
-    int len = snprintf(buf, sizeof(buf), "%hi", val);
-    if(len <= 0) {
-        err("ostrAppendi16: couldn't write %hi", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendi32(str_ostream_t *ctx, int32 val) {
-    char buf[APPEND_BUF_LEN];
-    int len = snprintf(buf, sizeof(buf), "%i", val);
-    if(len <= 0) {
-        err("ostrAppendi32: couldn't write %i", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendi64(str_ostream_t *ctx, int64 val) {
-    char buf[APPEND_BUF_LEN];
-#if _WIN32
-    int len = snprintf(buf, sizeof(buf), "%lli", val);
-#else
-    int len = snprintf(buf, sizeof(buf), "%li", val);
-#endif
-    if(len <= 0) {
-        err("ostrAppendi64: couldn't write %li", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendfloat(str_ostream_t *ctx, float val) {
-    char buf[APPEND_BUF_LEN * 3];
-    int len = snprintf(buf, sizeof(buf), "%g", (double)val);
-    if(len <= 0) {
-        err("ostrAppendfloat: couldn't write %g", (double)val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppenddouble(str_ostream_t *ctx, double val) {
-    char buf[APPEND_BUF_LEN * 3];
-    int len = snprintf(buf, sizeof(buf), "%g", val);
-    if(len <= 0) {
-        err("ostrAppenddouble: couldn't write %g", val);
-        return;
-    } 
-    ostrAppendview(ctx, strvInitLen(buf, len));
-}
-
-void ostrAppendview(str_ostream_t *ctx, strview_t view) {
-    if((ctx->cap - ctx->len) <= view.len) {
-        _ostrRealloc(ctx, view.len + 1);
-    }
-    memcpy(ctx->buf + ctx->len, view.buf, view.len);
-    ctx->len += view.len;
-    ctx->buf[ctx->len] = '\0';
-}

colla/strstream.h

@@ -4,110 +4,97 @@
 extern "C" {
 #endif
 
-#include <stdbool.h>
-#include <stddef.h>
 #include <stdarg.h>
 
 #include "collatypes.h"
 #include "str.h"
 
+typedef struct arena_t arena_t;
+
 /* == INPUT STREAM ============================================ */
 
 typedef struct {
     const char *start;
     const char *cur;
     usize size;
-} str_istream_t;
+} instream_t;
 
 // initialize with null-terminated string
-str_istream_t istrInit(const char *str);
+instream_t istrInit(const char *str);
-str_istream_t istrInitLen(const char *str, usize len);
+instream_t istrInitLen(const char *str, usize len);
 
 // get the current character and advance
-char istrGet(str_istream_t *ctx);
+char istrGet(instream_t *ctx);
 // get the current character but don't advance
-char istrPeek(str_istream_t *ctx);
+char istrPeek(instream_t *ctx);
+// get the next character but don't advance
+char istrPeekNext(instream_t *ctx);
 // ignore characters until the delimiter
-void istrIgnore(str_istream_t *ctx, char delim);
+void istrIgnore(instream_t *ctx, char delim);
 // ignore characters until the delimiter and skip it
-void istrIgnoreAndSkip(str_istream_t *ctx, char delim);
+void istrIgnoreAndSkip(instream_t *ctx, char delim);
 // skip n characters
-void istrSkip(str_istream_t *ctx, usize n);
+void istrSkip(instream_t *ctx, usize n);
 // skips whitespace (' ', '\n', '\t', '\r')
-void istrSkipWhitespace(str_istream_t *ctx);
+void istrSkipWhitespace(instream_t *ctx);
 // read len bytes into buffer, the buffer will not be null terminated
-void istrRead(str_istream_t *ctx, char *buf, usize len);
+void istrRead(instream_t *ctx, char *buf, usize len);
 // read a maximum of len bytes into buffer, the buffer will not be null terminated
 // returns the number of bytes read
-usize istrReadMax(str_istream_t *ctx, char *buf, usize len);
+usize istrReadMax(instream_t *ctx, char *buf, usize len);
 // returns to the beginning of the stream
-void istrRewind(str_istream_t *ctx);
+void istrRewind(instream_t *ctx);
 // returns back <amount> characters
-void istrRewindN(str_istream_t *ctx, usize amount);
+void istrRewindN(instream_t *ctx, usize amount);
 // returns the number of bytes read from beginning of stream
-usize istrTell(str_istream_t ctx);
+usize istrTell(instream_t ctx);
 // returns the number of bytes left to read in the stream
-usize istrRemaining(str_istream_t ctx); 
+usize istrRemaining(instream_t ctx); 
 // return true if the stream doesn't have any new bytes to read
-bool istrIsFinished(str_istream_t ctx);
+bool istrIsFinished(instream_t ctx);
 
-bool istrGetbool(str_istream_t *ctx, bool *val);
+bool istrGetBool(instream_t *ctx, bool *val);
-bool istrGetu8(str_istream_t *ctx, uint8 *val);
+bool istrGetU8(instream_t *ctx, uint8 *val);
-bool istrGetu16(str_istream_t *ctx, uint16 *val);
+bool istrGetU16(instream_t *ctx, uint16 *val);
-bool istrGetu32(str_istream_t *ctx, uint32 *val);
+bool istrGetU32(instream_t *ctx, uint32 *val);
-bool istrGetu64(str_istream_t *ctx, uint64 *val);
+bool istrGetU64(instream_t *ctx, uint64 *val);
-bool istrGeti8(str_istream_t *ctx, int8 *val);
+bool istrGetI8(instream_t *ctx, int8 *val);
-bool istrGeti16(str_istream_t *ctx, int16 *val);
+bool istrGetI16(instream_t *ctx, int16 *val);
-bool istrGeti32(str_istream_t *ctx, int32 *val);
+bool istrGetI32(instream_t *ctx, int32 *val);
-bool istrGeti64(str_istream_t *ctx, int64 *val);
+bool istrGetI64(instream_t *ctx, int64 *val);
-bool istrGetfloat(str_istream_t *ctx, float *val);
+bool istrGetFloat(instream_t *ctx, float *val);
-bool istrGetdouble(str_istream_t *ctx, double *val);
+bool istrGetDouble(instream_t *ctx, double *val);
-// get a string until a delimiter, the string is allocated by the function and should be freed
+str_t istrGetStr(arena_t *arena, instream_t *ctx, char delim);
-usize istrGetstring(str_istream_t *ctx, char **val, char delim);
 // get a string of maximum size len, the string is not allocated by the function and will be null terminated
-usize istrGetstringBuf(str_istream_t *ctx, char *val, usize len);
+usize istrGetBuf(instream_t *ctx, char *buf, usize buflen);
-strview_t istrGetview(str_istream_t *ctx, char delim);
+strview_t istrGetView(instream_t *ctx, char delim);
-strview_t istrGetviewLen(str_istream_t *ctx, usize from, usize to);
+strview_t istrGetViewLen(instream_t *ctx, usize len);
 
 /* == OUTPUT STREAM =========================================== */
 
 typedef struct {
-    char *buf;
+    char *beg;
-    usize len;
+    arena_t *arena;
-    usize cap;
+} outstream_t;
-} str_ostream_t;
 
-str_ostream_t ostrInit(void);
+outstream_t ostrInit(arena_t *exclusive_arena);
-str_ostream_t ostrInitLen(usize initial_alloc);
+void ostrClear(outstream_t *ctx);
-str_ostream_t ostrInitStr(const char *buf, usize len);
 
-void ostrFree(str_ostream_t ctx);
+usize ostrTell(outstream_t *ctx);
-void ostrClear(str_ostream_t *ctx);
 
-char ostrBack(str_ostream_t ctx);
+char ostrBack(outstream_t *ctx);
-str_t ostrAsStr(str_ostream_t ctx);
+str_t ostrAsStr(outstream_t *ctx);
-strview_t ostrAsView(str_ostream_t ctx);
+strview_t ostrAsView(outstream_t *ctx);
 
-void ostrReplace(str_ostream_t *ctx, char from, char to);
+void ostrPrintf(outstream_t *ctx, const char *fmt, ...);
+void ostrPrintfV(outstream_t *ctx, const char *fmt, va_list args);
+void ostrPutc(outstream_t *ctx, char c);
+void ostrPuts(outstream_t *ctx, strview_t v);
 
-void ostrPrintf(str_ostream_t *ctx, const char *fmt, ...);
+void ostrAppendBool(outstream_t *ctx, bool val);
-void ostrPrintfV(str_ostream_t *ctx, const char *fmt, va_list args);
+void ostrAppendUInt(outstream_t *ctx, uint64 val);
-void ostrPutc(str_ostream_t *ctx, char c);
+void ostrAppendInt(outstream_t *ctx, int64 val);
-void ostrPuts(str_ostream_t *ctx, const char *str);
+void ostrAppendNum(outstream_t *ctx, double val);
-
-void ostrAppendbool(str_ostream_t *ctx, bool val);
-void ostrAppendchar(str_ostream_t *ctx, char val);
-void ostrAppendu8(str_ostream_t *ctx, uint8 val);
-void ostrAppendu16(str_ostream_t *ctx, uint16 val);
-void ostrAppendu32(str_ostream_t *ctx, uint32 val);
-void ostrAppendu64(str_ostream_t *ctx, uint64 val);
-void ostrAppendi8(str_ostream_t *ctx, int8 val);
-void ostrAppendi16(str_ostream_t *ctx, int16 val);
-void ostrAppendi32(str_ostream_t *ctx, int32 val);
-void ostrAppendi64(str_ostream_t *ctx, int64 val);
-void ostrAppendfloat(str_ostream_t *ctx, float val);
-void ostrAppenddouble(str_ostream_t *ctx, double val);
-void ostrAppendview(str_ostream_t *ctx, strview_t view);
 
 #ifdef __cplusplus
 } // extern "C"

colla/tracelog.c

@@ -4,9 +4,32 @@
 #include <string.h>
 #include <stdlib.h>
 
-#ifdef _WIN32 
+#include "format.h"
+
+#if COLLA_WIN
+    #if COLLA_MSVC
         #pragma warning(disable:4996) // _CRT_SECURE_NO_WARNINGS.
-    #include "win32_slim.h"
+    #endif
+
+    #include <handleapi.h>
+    
+    // avoid including windows.h
+    
+    #ifndef STD_OUTPUT_HANDLE
+        #define STD_OUTPUT_HANDLE   ((DWORD)-11)
+    #endif
+    #ifndef CP_UTF8
+        #define CP_UTF8             65001
+    #endif
+
+    typedef unsigned short WORD;
+    typedef unsigned long DWORD;
+    typedef unsigned int UINT;
+    typedef int BOOL;
+    WINBASEAPI HANDLE WINAPI GetStdHandle(DWORD nStdHandle);
+    WINBASEAPI BOOL WINAPI SetConsoleTextAttribute(HANDLE hConsoleOutput, WORD wAttributes);
+    WINBASEAPI BOOL WINAPI SetConsoleOutputCP(UINT wCodePageID);
+
     #ifndef TLOG_VS
         #define TLOG_WIN32_NO_VS
         #ifndef TLOG_NO_COLOURS
@@ -16,33 +39,33 @@
 #endif
 
 #ifdef TLOG_VS
-    #ifndef _WIN32
+    #if COLLA_WIN
         #error "can't use TLOG_VS if not on windows"
     #endif
 #endif
 
 #ifdef TLOG_NO_COLOURS
-    #define BLACK   ""
+    #define COLOUR_BLACK   ""
-    #define RED     ""
+    #define COLOUR_RED     ""
-    #define GREEN   ""
+    #define COLOUR_GREEN   ""
-    #define YELLOW  ""
+    #define COLOUR_YELLOW  ""
-    #define BLUE    ""
+    #define COLOUR_BLUE    ""
-    #define MAGENTA ""
+    #define COLOUR_MAGENTA ""
-    #define CYAN    ""
+    #define COLOUR_CYAN    ""
-    #define WHITE   ""
+    #define COLOUR_WHITE   ""
-    #define RESET   ""
+    #define COLOUR_RESET   ""
-    #define BOLD    ""
+    #define COLOUR_BOLD    ""
 #else
-    #define BLACK   "\033[30m"
+    #define COLOUR_BLACK   "\033[30m"
-    #define RED     "\033[31m"
+    #define COLOUR_RED     "\033[31m"
-    #define GREEN   "\033[32m"
+    #define COLOUR_GREEN   "\033[32m"
-    #define YELLOW  "\033[33m"
+    #define COLOUR_YELLOW  "\033[33m"
-    #define BLUE    "\033[22;34m"
+    #define COLOUR_BLUE    "\033[22;34m"
-    #define MAGENTA "\033[35m"
+    #define COLOUR_MAGENTA "\033[35m"
-    #define CYAN    "\033[36m"
+    #define COLOUR_CYAN    "\033[36m"
-    #define WHITE   "\033[37m"
+    #define COLOUR_WHITE   "\033[37m"
-    #define RESET   "\033[0m"
+    #define COLOUR_RESET   "\033[0m"
-    #define BOLD    "\033[1m"
+    #define COLOUR_BOLD    "\033[1m"
 #endif
 
 #define MAX_TRACELOG_MSG_LENGTH 1024
@@ -67,8 +90,7 @@ static void setLevelColour(int level) {
 
 void traceLog(int level, const char *fmt, ...) {
     va_list args;
-    va_start(args, fmt);
+    va_start(args, fmt);    traceLogVaList(level, fmt, args);
-    traceLogVaList(level, fmt, args);
     va_end(args);
 }
 
@@ -88,12 +110,12 @@ void traceLogVaList(int level, const char *fmt, va_list args) {
 
     const char *beg;
     switch (level) {
-        case LogTrace:   beg = BOLD WHITE  "[TRACE]: "   RESET; break; 
+        case LogTrace:   beg = COLOUR_BOLD COLOUR_WHITE  "[TRACE]: "   COLOUR_RESET; break; 
-        case LogDebug:   beg = BOLD BLUE   "[DEBUG]: "   RESET; break; 
+        case LogDebug:   beg = COLOUR_BOLD COLOUR_BLUE   "[DEBUG]: "   COLOUR_RESET; break; 
-        case LogInfo:    beg = BOLD GREEN  "[INFO]: "    RESET; break; 
+        case LogInfo:    beg = COLOUR_BOLD COLOUR_GREEN  "[INFO]: "    COLOUR_RESET; break; 
-        case LogWarning: beg = BOLD YELLOW "[WARNING]: " RESET; break; 
+        case LogWarning: beg = COLOUR_BOLD COLOUR_YELLOW "[WARNING]: " COLOUR_RESET; break; 
-        case LogError:   beg = BOLD RED    "[ERROR]: "   RESET; break; 
+        case LogError:   beg = COLOUR_BOLD COLOUR_RED    "[ERROR]: "   COLOUR_RESET; break; 
-        case LogFatal:   beg = BOLD RED    "[FATAL]: "   RESET; break;        
+        case LogFatal:   beg = COLOUR_BOLD COLOUR_RED    "[FATAL]: "   COLOUR_RESET; break;        
         default:         beg = "";                              break;
     }
 
@@ -104,7 +126,7 @@ void traceLogVaList(int level, const char *fmt, va_list args) {
     strncpy(buffer, beg, sizeof(buffer));
 #endif
 
-    vsnprintf(buffer + offset, sizeof(buffer) - offset, fmt, args);
+    fmtBufferv(buffer + offset, sizeof(buffer) - offset, fmt, args);
 
 #if defined(TLOG_VS)
     OutputDebugStringA(buffer);
@@ -123,7 +145,10 @@ void traceLogVaList(int level, const char *fmt, va_list args) {
 #endif
 
 #ifndef TLOG_DONT_EXIT_ON_FATAL
-    if (level == LogFatal) exit(1);
+    if (level == LogFatal) {
+        abort();
+        exit(1);
+    }
 #endif
 
     #ifdef TLOG_MUTEX

colla/tracelog.h

@@ -12,7 +12,7 @@ extern "C" {
  * -> TLOG_MUTEX:               use a mutex on every traceLog call
 */
 
-#include <stdbool.h>
+#include "collatypes.h"
 #include <stdarg.h>
 
 enum {

colla/vmem.c

@@ -0,0 +1,133 @@
+#include "vmem.h"
+
+#include <assert.h>
+
+#include "tracelog.h"
+
+static usize vmem__page_size = 0;
+static void vmem__update_page_size(void);
+
+// platform generic functions
+
+usize vmemGetPageSize(void) {
+    if (!vmem__page_size) {
+        vmem__update_page_size();
+    }
+    return vmem__page_size;
+}
+
+usize vmemPadToPage(usize byte_count) {
+    if (!vmem__page_size) {
+        vmem__update_page_size();
+    }
+
+    if (byte_count == 0) {
+        return vmem__page_size;
+    }
+
+    // bit twiddiling, vmem__page_size MUST be a power of 2
+    usize padding = vmem__page_size - (byte_count & (vmem__page_size - 1));
+    if (padding == vmem__page_size) {
+        padding = 0;
+    }
+    return byte_count + padding;
+}
+
+#if COLLA_WIN
+
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+
+void *vmemInit(usize size, usize *out_padded_size) {
+    usize alloc_size = vmemPadToPage(size);
+
+    void *ptr = VirtualAlloc(NULL, alloc_size, MEM_RESERVE, PAGE_NOACCESS);
+
+    if (out_padded_size) {
+        *out_padded_size = alloc_size;
+    }
+
+    return ptr;
+}
+
+bool vmemRelease(void *base_ptr) {
+    return VirtualFree(base_ptr, 0, MEM_RELEASE);
+}
+
+bool vmemCommit(void *ptr, usize num_of_pages) {
+    usize page_size = vmemGetPageSize();
+
+    void *new_ptr = VirtualAlloc(ptr, num_of_pages * page_size, MEM_COMMIT, PAGE_READWRITE);
+    
+    if (!new_ptr) {
+        debug("ERROR: failed to commit memory: %lu\n", GetLastError());
+    }
+
+    return new_ptr != NULL;
+}
+
+static void vmem__update_page_size(void) {
+    SYSTEM_INFO info = {0};
+    GetSystemInfo(&info);
+    vmem__page_size = info.dwPageSize;
+}
+
+#elif COLLA_LIN
+
+#include <sys/mman.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+struct vmem__header {
+    usize len;
+};
+
+void *vmemInit(usize size, usize *out_padded_size) {
+    size += sizeof(vmem__header);
+    usize alloc_size = padToPage(size);
+
+    vmem__header *header = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+    if (header == MAP_FAILED) {
+        fatal("could not map %zu memory: %s", size, strerror(errno));
+    }
+
+    if (padded_size) {
+        *padded_size = alloc_size;
+    }
+
+    header->len = alloc_size;
+
+    return header + 1;
+}
+
+bool vmemRelease(void *base_ptr) {
+    if (!base_ptr) return false;
+    vmem__header *header = (vmem__header *)base_ptr - 1;
+
+    int res = munmap(header, header->len);
+    if (res == -1) {
+        err("munmap failed: %s", strerror(errno));
+    }
+    return res != -1;
+}
+
+bool vmemCommit(void *ptr, usize num_of_pages) {
+    // mmap doesn't need a commit step
+    (VOID)ptr;
+    (VOID)num_of_pages;
+    return true;
+}
+
+static void vmem__update_page_size(void) {
+    long lin_page_size = sysconf(_SC_PAGE_SIZE);
+
+    if (lin_page_size < 0) {
+        fatal("could not get page size: %s", strerror(errno));
+    }
+
+    page_size = (usize)lin_page_size;
+}
+
+#endif

colla/vmem.h

@@ -0,0 +1,12 @@
+#ifndef VIRTUAL_MEMORY_HEADER
+#define VIRTUAL_MEMORY_HEADER
+
+#include "collatypes.h"
+
+void *vmemInit(usize size, usize *out_padded_size);
+bool vmemRelease(void *base_ptr);
+bool vmemCommit(void *ptr, usize num_of_pages);
+usize vmemGetPageSize(void);
+usize vmemPadToPage(usize byte_count);
+
+#endif // VIRTUAL_MEMORY_HEADER

colla/warnings/colla_warn_beg.h

@@ -0,0 +1,7 @@
+#if COLLA_CLANG
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Winitializer-overrides"
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
+
+#endif

colla/warnings/colla_warn_end.h

@@ -0,0 +1,5 @@
+#if COLLA_CLANG
+
+#pragma clang diagnostic pop
+
+#endif

colla/win32_slim.h

@@ -1,15 +0,0 @@
-#pragma once
-
-#ifdef _WIN32
-
-#ifndef WIN32_LEAN_AND_MEAN
-  #define WIN32_LEAN_AND_MEAN
-#endif
-
-#ifndef WIN32_EXTRA_LEAN
-	#define WIN32_EXTRA_LEAN
-#endif
-
-#include <windows.h>
-
-#endif // _WIN32 

compile.ini

@@ -1,8 +0,0 @@
-include = colla/
-files = colla/*.c
-
-[windows]
-link = ws2_32.lib
-
-[linux]
-link = pthread

deprecated/coroutine.h

@@ -4,8 +4,8 @@
 extern "C" {
 #endif
 
-#include <stdbool.h>  // bool
 #include <string.h>   // memset
+#include "collatypes.h"
 #include "tracelog.h" // fatal
 
 // heavily inspired by https://gist.github.com/Enichan/5f01140530ff0133fde19c9549a2a973

deprecated/dir.c

@@ -1,7 +1,7 @@
 #include "dir.h"
 #include "tracelog.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
 #include "win32_slim.h"
 #include <stdlib.h>
 #include <assert.h>
@@ -19,7 +19,7 @@ static dir_entry_t _fillDirEntry(WIN32_FIND_DATAW *data) {
         .type = 
             data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? 
             FS_TYPE_DIR : FS_TYPE_FILE,
-        .name = strFromWCHAR(data->cFileName, 0)
+        .name = strFromWChar(data->cFileName, 0)
     };
 }
 
@@ -52,7 +52,7 @@ static void _getNext(_dir_internal_t *ctx) {
 
 dir_t dirOpen(const char *path) {
     DWORD n = GetFullPathName(path, 0, NULL, NULL);
-    str_ostream_t out = ostrInitLen(n + 3);
+    outstream_t out = ostrInitLen(n + 3);
     n = GetFullPathName(path, n, out.buf, NULL);
     assert(n > 0);
     out.len += n;
@@ -196,7 +196,7 @@ bool dirRemove(const char *path) {
         }
     }
     dirClose(dir);
-#ifdef _WIN32
+#if COLLA_WIN
     return RemoveDirectoryA(path);
 #else
     return rmdir(path) == 0;

deprecated/dirwatch.c

@@ -5,7 +5,7 @@
 #include <assert.h>
 #include "tracelog.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
 #include "win32_slim.h"
 #include "str.h"
 

deprecated/dirwatch.h

@@ -27,7 +27,7 @@ extern "C" {
  * }
  */
 
-#include <stdbool.h>
+#include "collatypes.h"
 #include "cthreads.h"
 
 enum {

deprecated/fs.c

@@ -7,7 +7,7 @@
 
 #include "tracelog.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
 #include "win32_slim.h"
 
 #include <sys/stat.h>

deprecated/fs.h

@@ -4,8 +4,7 @@
 extern "C" {
 #endif
 
-#include <stdint.h>
+#include "collatypes.h"
-#include <stdbool.h>
 
 #include "file.h"
 

deprecated/jobpool.c

@@ -1,6 +1,6 @@
 #include "jobpool.h"
 
-#include <vec.h>
+#include "vec.h"
 
 typedef struct {
     cthread_func_t func;

deprecated/jobpool.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <collatypes.h>
+#include "collatypes.h"
-#include <cthreads.h>
+#include "cthreads.h"
 
 typedef void *jobpool_t;
 

deprecated/os.c

@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <ctype.h>
 
-#ifdef _WIN32
+#if COLLA_WIN
 #define _BUFSZ 128
 
 #include <lmcons.h>

deprecated/os.h

@@ -9,7 +9,7 @@ extern "C" {
 #include "str.h"
 #include "collatypes.h"
 
-#ifdef _WIN32
+#if COLLA_WIN
     #include <stdio.h>
     #include "win32_slim.h"
     isize getdelim(char **buf, size_t *bufsz, int delimiter, FILE *fp);

gen.lua

@@ -1,104 +0,0 @@
-local outfile = "colla.h"
-local colladir = "src/"
-
-local function hasArg(value)
-    for k,v in pairs(arg) do
-        if v == value then 
-            return true 
-        end
-    end
-    return false
-end
-
-local use_namespace = hasArg("-namespace")
-
-os.remove(outfile)
-
-local function cat(f)
-    local fp = io.open(f)
-    local text = fp:read("a")
-    fp:close()
-    return text
-end
-
-str = [[
-/*
-    colla.h -- All colla libraries in a single header
-    Do the following in *one* C file to create the implementation
-      #define COLLA_IMPL
-    Use the following in the same C file for options
-      #define COLLA_NO_THREADS // don't include the threads module
-      #define COLLA_NO_NET     // don't include networking stuff
-*/
-]]
-
-str = str .. cat(colladir .. "collatypes.h") .. "\n"
-str = str .. cat(colladir .. "tracelog.h") .. "\n"
-str = str .. cat(colladir .. "str.h") .. "\n"
-str = str .. cat(colladir .. "vec.h") .. "\n"
-str = str .. cat(colladir .. "hashmap.h") .. "\n"
-str = str .. cat(colladir .. "utf8.h") .. "\n"
-str = str .. cat(colladir .. "ini.h") .. "\n"
-str = str .. cat(colladir .. "strstream.h") .. "\n"
-str = str .. cat(colladir .. "win32_slim.h") .. "\n"
-str = str .. cat(colladir .. "file.h") .. "\n"
-str = str .. cat(colladir .. "dir.h") .. "\n"
-
-str = str .. "#ifndef COLLA_NO_NET\n"
-    str = str .. cat(colladir .. "socket.h") .. "\n"
-    str = str .. cat(colladir .. "http.h") .. "\n"
-str = str .. "#endif // COLLA_NO_NET\n"
-
-str = str .. "#if !defined(__TINYC__) && !defined(COLLA_NO_THREADS)\n"
-    str = str .. cat(colladir .. "cthreads.h") .. "\n"
-str = str .. "#endif // !defined(__TINYC__) && !defined(COLLA_NO_THREADS)\n"
-
-str = str .. "#ifdef COLLA_IMPL\n"
-    str = str .. cat(colladir .. "tracelog.c") .. "\n"
-    str = str .. cat(colladir .. "strstream.c") .. "\n"
-    str = str .. cat(colladir .. "str.c") .. "\n"
-    str = str .. cat(colladir .. "hashmap.c") .. "\n"
-    str = str .. cat(colladir .. "utf8.c") .. "\n"
-    str = str .. cat(colladir .. "ini.c") .. "\n"
-    str = str .. cat(colladir .. "file.c") .. "\n"
-    str = str .. cat(colladir .. "dir.c") .. "\n"
-
-    str = str .. "#ifndef COLLA_NO_NET\n"
-        str = str .. cat(colladir .. "socket.c") .. "\n"
-        str = str .. cat(colladir .. "http.c") .. "\n"
-    str = str .. "#endif // COLLA_NO_NET\n"
-
-    str = str .. "#if !defined(__TINYC__) && !defined(COLLA_NO_THREADS)\n"
-        str = str .. cat(colladir .. "cthreads.c") .. "\n"
-    str = str .. "#endif // !defined(__TINYC__) && !defined(COLLA_NO_THREADS)\n"
-str = str .. "#endif /* COLLA_IMPL */\n"
-
--- remove includes
-str = str:gsub('#include "([^"]+)"', '/* #include "%1" */')
-
-str = str .. string.format([[
-/*
-    MIT License
-    Copyright (c) 1994-2019 Lua.org, PUC-Rio.
-    Copyright (c) 2020-%s snarmph.
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-    The above copyright notice and this permission notice shall be included in all
-    copies or substantial portions of the Software.
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-    SOFTWARE.
-*/
-]], os.date("%Y"))
-
-local f = io.open(outfile, "w")
-f:write(str)
-f:close()