9557448ae6
We have now again two functions called h_platform_vasprintf and h_platform_asprintf. On windows they are implemented in terms of vsnprint and the like. On BSD/GNU libraries we use the supplied vasprintf and asprintf.
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#include "platform.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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int h_platform_asprintf(char**strp, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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int res = h_platform_vasprintf(strp, fmt, ap);
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va_end(ap);
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return res;
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}
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int h_platform_vasprintf(char**strp, const char *fmt, va_list args)
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{
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va_list ap;
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va_copy(ap, args);
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int non_null_char_count = _vscprintf(fmt, ap);
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va_end(ap);
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if (non_null_char_count < 0) {
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return -1;
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}
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size_t buffer_size = 1 + non_null_char_count;
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char* buffer = malloc(buffer_size);
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va_copy(ap, args);
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int res = vsnprintf_s(buffer, buffer_size, non_null_char_count, fmt, ap);
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if (res < 0) {
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free(buffer);
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} else {
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buffer[non_null_char_count] = 0;
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*strp = buffer;
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}
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va_end(ap);
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return res;
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}
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void h_platform_errx(int err, const char* format, ...) {
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// FIXME(windows) TODO(uucidl): to be implemented
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ExitProcess(err);
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}
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void h_platform_stopwatch_reset(struct HStopWatch* stopwatch) {
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QueryPerformanceFrequency(&stopwatch->qpf);
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QueryPerformanceCounter(&stopwatch->start);
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}
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/* return difference between last reset point and now */
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int64_t h_platform_stopwatch_ns(struct HStopWatch* stopwatch) {
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LARGE_INTEGER now;
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QueryPerformanceCounter(&now);
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return 1000000000 * (now.QuadPart - stopwatch->start.QuadPart) / stopwatch->qpf.QuadPart;
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}
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