a lot of stuff tbh
This commit is contained in:
alessandrobason
parent
d80773bb00
commit
8ddd9186b8
42 changed files with 6463 additions and 1593 deletions
237
file.c
237
file.c
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@ -1,237 +0,0 @@
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#include "file.h"
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#include "tracelog.h"
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#ifdef _WIN32
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#include "win32_slim.h"
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#include <stdlib.h>
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static DWORD _toWin32Access(int mode) {
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if(mode & FILE_READ) return GENERIC_READ;
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if(mode & FILE_WRITE) return GENERIC_WRITE;
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if(mode & FILE_BOTH) return GENERIC_READ | GENERIC_WRITE;
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fatal("unrecognized access mode: %d", mode);
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return 0;
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}
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static DWORD _toWin32Creation(int mode) {
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if(mode & FILE_READ) return OPEN_EXISTING;
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if(mode == (FILE_WRITE | FILE_CLEAR)) return CREATE_ALWAYS;
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if(mode & FILE_WRITE) return OPEN_ALWAYS;
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if(mode & FILE_BOTH) return OPEN_ALWAYS;
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fatal("unrecognized creation mode: %d", mode);
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return 0;
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}
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bool fileExists(const char *fname) {
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DWORD dwAttrib = GetFileAttributesA(fname);
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return (dwAttrib != INVALID_FILE_ATTRIBUTES &&
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!(dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
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}
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file_t fileOpen(const char *fname, int mode) {
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return (file_t) {
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.handle = CreateFileA(fname,
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_toWin32Access(mode),
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0,
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NULL,
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_toWin32Creation(mode),
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FILE_ATTRIBUTE_NORMAL,
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NULL)
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};
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}
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void fileClose(file_t *ctx) {
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if(ctx->handle) {
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CloseHandle((HANDLE)ctx->handle);
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ctx->handle = NULL;
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}
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}
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bool fileIsValid(file_t *ctx) {
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return ctx->handle != INVALID_HANDLE_VALUE;
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}
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bool filePutc(file_t *ctx, char c) {
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return fileWrite(ctx, &c, 1) == 1;
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}
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bool filePuts(file_t *ctx, const char *str) {
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size_t len = strlen(str);
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return fileWrite(ctx, str, len) == len;
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}
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bool filePutstr(file_t *ctx, str_t str) {
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return fileWrite(ctx, str.buf, str.len) == str.len;
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}
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bool filePutview(file_t *ctx, strview_t view) {
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return fileWrite(ctx, view.buf, view.len) == view.len;
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}
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size_t fileRead(file_t *ctx, void *buf, size_t len) {
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DWORD bytes_read = 0;
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BOOL result = ReadFile((HANDLE)ctx->handle, buf, (DWORD)len, &bytes_read, NULL);
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return result == TRUE ? (size_t)bytes_read : 0;
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}
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size_t fileWrite(file_t *ctx, const void *buf, size_t len) {
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DWORD bytes_read = 0;
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BOOL result = WriteFile((HANDLE)ctx->handle, buf, (DWORD)len, &bytes_read, NULL);
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return result == TRUE ? (size_t)bytes_read : 0;
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}
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bool fileSeekEnd(file_t *ctx) {
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return SetFilePointerEx((HANDLE)ctx->handle, (LARGE_INTEGER){0}, NULL, FILE_END) == TRUE;
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}
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void fileRewind(file_t *ctx) {
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SetFilePointerEx((HANDLE)ctx->handle, (LARGE_INTEGER){0}, NULL, FILE_BEGIN);
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}
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uint64_t fileTell(file_t *ctx) {
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LARGE_INTEGER tell;
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BOOL result = SetFilePointerEx((HANDLE)ctx->handle, (LARGE_INTEGER){0}, &tell, FILE_CURRENT);
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return result == TRUE ? (uint64_t)tell.QuadPart : 0;
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}
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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const char *_toStdioMode(int mode) {
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switch(mode) {
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case FILE_READ: return "rb";
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case FILE_BOTH: return "r+b";
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case FILE_WRITE: return "wb";
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default: fatal("mode not recognized: %d", mode); return "";
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}
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}
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bool fileExists(const char *fname) {
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return access(fname, F_OK) == 0;
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}
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file_t fileOpen(const char *fname, int mode) {
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return (file_t) {
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.handle = (void*) fopen(fname, _toStdioMode(mode)),
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};
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}
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void fileClose(file_t *ctx) {
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if(ctx->handle) {
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fclose((FILE*)ctx->handle);
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ctx->handle = NULL;
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}
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}
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bool fileIsValid(file_t *ctx) {
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return ctx->handle != NULL;
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}
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bool filePutc(file_t *ctx, char c) {
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return fputc(c, (FILE*)ctx->handle) == c;
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}
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bool filePuts(file_t *ctx, const char *str) {
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return fputs(str, (FILE*)ctx->handle) != EOF;
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}
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bool filePutstr(file_t *ctx, str_t str) {
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return fileWrite(ctx, str.buf, str.len) == str.len;
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}
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bool filePutview(file_t *ctx, strview_t view) {
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return fileWrite(ctx, view.buf, view.len) == view.len;
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}
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size_t fileRead(file_t *ctx, void *buf, size_t len) {
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return fread(buf, 1, len, (FILE*)ctx->handle);
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}
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size_t fileWrite(file_t *ctx, const void *buf, size_t len) {
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return fwrite(buf, 1, len, (FILE*)ctx->handle);
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}
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bool fileSeekEnd(file_t *ctx) {
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return fseek((FILE*)ctx->handle, 0, SEEK_END) == 0;
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}
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void fileRewind(file_t *ctx) {
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rewind((FILE*)ctx->handle);
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}
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uint64_t fileTell(file_t *ctx) {
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return (uint64_t)ftell((FILE*)ctx->handle);
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}
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#endif
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static fread_buf_t _readWholeInternal(file_t *ctx, bool null_terminated) {
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fread_buf_t contents = {0};
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uint64_t fsize = 0;
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if(!fileSeekEnd(ctx)) {
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err("file: couldn't read until end");
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goto failed;
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}
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fsize = fileTell(ctx);
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fileRewind(ctx);
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contents.len = fsize;
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contents.buf = malloc(fsize + null_terminated);
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if(!contents.buf) {
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err("file: couldn't allocate buffer");
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goto failed;
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}
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size_t read = fileRead(ctx, contents.buf, fsize);
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if(read != fsize) {
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err("file: read wrong amount of bytes: %zu instead of %zu", read, fsize);
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goto failed_free;
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}
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if(null_terminated) {
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contents.buf[contents.len] = '\0';
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}
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failed:
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return contents;
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failed_free:
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free(contents.buf);
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return contents;
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}
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fread_buf_t fileReadWhole(const char *fname) {
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file_t fp = fileOpen(fname, FILE_READ);
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fread_buf_t contents = fileReadWholeFP(&fp);
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fileClose(&fp);
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return contents;
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}
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fread_buf_t fileReadWholeFP(file_t *ctx) {
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return _readWholeInternal(ctx, false);
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}
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str_t fileReadWholeText(const char *fname) {
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file_t fp = fileOpen(fname, FILE_READ);
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if(!fileIsValid(&fp)) {
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err("couldn't open file %s", fname);
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return strInit();
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}
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str_t contents = fileReadWholeFPText(&fp);
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fileClose(&fp);
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return contents;
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}
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str_t fileReadWholeFPText(file_t *ctx) {
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fread_buf_t contents = _readWholeInternal(ctx, true);
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return (str_t) {
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.buf = contents.buf,
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.len = contents.len
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};
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}
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