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#include "common/time.h"
#include <stdio.h>
char ffTimeInternalBuffer[64]; // Reduce memory usage and prevent redundant allocations
#ifdef _WIN32
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat"
#endif
const char* ffTimeToFullStr(uint64_t msec) {
if (msec == 0) {
return "";
}
time_t tsec = (time_t) (msec / 1000);
const struct tm* tm = localtime(&tsec);
uint32_t len = 0;
len += (uint32_t) strftime(ffTimeInternalBuffer, ARRAY_SIZE(ffTimeInternalBuffer) - len, "%FT%T", tm);
len += (uint32_t) snprintf(ffTimeInternalBuffer + len, ARRAY_SIZE(ffTimeInternalBuffer) - len, ".%03u", (unsigned) (msec % 1000));
len += (uint32_t) strftime(ffTimeInternalBuffer + len, ARRAY_SIZE(ffTimeInternalBuffer) - len, "%z", tm);
return ffTimeInternalBuffer;
}
const char* ffTimeToShortStr(uint64_t msec) {
if (msec == 0) {
return "";
}
time_t tsec = (time_t) (msec / 1000);
strftime(ffTimeInternalBuffer, ARRAY_SIZE(ffTimeInternalBuffer), "%F %T", localtime(&tsec));
return ffTimeInternalBuffer;
}
const char* ffTimeToTimeStr(uint64_t msec) {
if (msec == 0) {
return "";
}
time_t tsec = (time_t) (msec / 1000);
uint32_t len = (uint32_t) strftime(ffTimeInternalBuffer, ARRAY_SIZE(ffTimeInternalBuffer), "%T", localtime(&tsec));
sprintf(ffTimeInternalBuffer + len, ".%03u", (unsigned) (msec % 1000));
return ffTimeInternalBuffer;
}
#ifdef _WIN32
#pragma GCC diagnostic pop
#endif
FFTimeGetAgeResult ffTimeGetAge(uint64_t birthMs, uint64_t nowMs) {
FFTimeGetAgeResult result = {};
if (__builtin_expect(birthMs == 0 || nowMs < birthMs, 0)) {
return result;
}
time_t birth_s = (time_t) (birthMs / 1000);
struct tm birth_tm;
#ifdef _WIN32
localtime_s(&birth_tm, &birth_s);
#else
localtime_r(&birth_s, &birth_tm);
#endif
time_t now_s = (time_t) (nowMs / 1000);
struct tm now_tm;
#ifdef _WIN32
localtime_s(&now_tm, &now_s);
#else
localtime_r(&now_s, &now_tm);
#endif
result.years = (uint32_t) (now_tm.tm_year - birth_tm.tm_year);
if (now_tm.tm_yday < birth_tm.tm_yday) {
result.years--;
}
birth_tm.tm_year += (int) result.years;
birth_s = mktime(&birth_tm);
uint32_t diff_s = (uint32_t) (now_s - birth_s);
result.daysOfYear = diff_s / (24 * 60 * 60);
birth_tm.tm_year += 1;
result.yearsFraction = (double) diff_s / (double) (mktime(&birth_tm) - birth_s) + result.years;
return result;
}
#ifdef _WIN32
double ffQpcMultiplier;
__attribute__((constructor)) static void ffTimeInitQpcMultiplier(void) {
LARGE_INTEGER frequency;
RtlQueryPerformanceFrequency(&frequency);
ffQpcMultiplier = 1000. / (double) frequency.QuadPart;
}
#endif
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