61 lines
No EOL
1.5 KiB
C
61 lines
No EOL
1.5 KiB
C
#include "format.h"
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#define STB_SPRINTF_DECORATE(name) stb_##name
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#define STB_SPRINTF_NOUNALIGNED
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#define STB_SPRINTF_IMPLEMENTATION
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#include "stb/stb_sprintf.h"
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#include "arena.h"
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static char *fmt__stb_callback(const char *buf, void *ud, int len) {
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(void)len;
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printf("%.*s", len, buf);
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return (char *)ud;
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}
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int fmtPrint(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int out = fmtPrintv(fmt, args);
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va_end(args);
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return out;
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}
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int fmtPrintv(const char *fmt, va_list args) {
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char buffer[STB_SPRINTF_MIN] = {0};
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return stb_vsprintfcb(fmt__stb_callback, buffer, buffer, fmt, args);
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}
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int fmtBuffer(char *buffer, usize buflen, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int out = fmtBufferv(buffer, buflen, fmt, args);
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va_end(args);
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return out;
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}
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int fmtBufferv(char *buffer, usize buflen, const char *fmt, va_list args) {
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return stb_vsnprintf(buffer, (int)buflen, fmt, args);
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}
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#if 0
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str_t fmtStr(Arena *arena, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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str_t out = fmtStrv(arena, fmt, args);
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va_end(args);
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return out;
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}
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str_t fmtStrv(Arena *arena, const char *fmt, va_list args) {
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va_list vcopy;
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va_copy(vcopy, args);
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int len = stb_vsnprintf(NULL, 0, fmt, vcopy);
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va_end(vcopy);
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char *buffer = alloc(arena, char, len + 1);
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stb_vsnprintf(buffer, len + 1, fmt, args);
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return (str_t){ .buf = buffer, .len = (usize)len };
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}
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#endif
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