ref: e4488bb065f2f4f82f25b6f4d3ab9fb1b6150fa9
dir: /llt/timefuncs.c/
#include <stdlib.h> #include <stdio.h> #include <string.h> #include <time.h> #include <assert.h> #include <errno.h> #include <limits.h> #include <sys/stat.h> #include <sys/types.h> #ifdef WIN32 #include <malloc.h> #include <sys/timeb.h> #include <windows.h> #else #include <sys/time.h> #include <sys/poll.h> #include <unistd.h> #endif #include "dtypes.h" #include "timefuncs.h" #ifdef WIN32 /* double tvals2float(struct tm *t, struct timeb *tstruct) { return (double)t->tm_hour * 3600 + (double)t->tm_min * 60 + (double)t->tm_sec + (double)tstruct->millitm/1.0e3; } */ double floattime() { struct timeb tstruct; ftime(&tstruct); return (double)tstruct.time + (double)tstruct.millitm/1.0e3; } #else double tv2float(struct timeval *tv) { return (double)tv->tv_sec + (double)tv->tv_usec/1.0e6; } double diff_time(struct timeval *tv1, struct timeval *tv2) { return tv2float(tv1) - tv2float(tv2); } #endif // return as many bits of system randomness as we can get our hands on u_int64_t i64time() { u_int64_t a; #ifdef WIN32 struct timeb tstruct; ftime(&tstruct); a = (((u_int64_t)tstruct.time)<<32) + (u_int64_t)tstruct.millitm; #else struct timeval now; gettimeofday(&now, NULL); a = (((u_int64_t)now.tv_sec)<<32) + (u_int64_t)now.tv_usec; #endif return a; } double clock_now() { #ifdef WIN32 return floattime(); #else struct timeval now; gettimeofday(&now, NULL); return tv2float(&now); #endif } void timestring(double seconds, char *buffer, size_t len) { time_t tme = (time_t)seconds; char *fmt = "%c"; /* needed to suppress GCC warning */ #ifdef LINUX struct tm tm; localtime_r(&tme, &tm); strftime(buffer, len, fmt, &tm); #else static char *wdaystr[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; static char *monthstr[] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug", "Sep","Oct","Nov","Dec"}; struct tm *tm; int hr; tm = localtime(&tme); hr = tm->tm_hour; if (hr > 12) hr -= 12; if (hr == 0) hr = 12; snprintf(buffer, len, "%s %02d %s %d %02d:%02d:%02d %s %s", wdaystr[tm->tm_wday], tm->tm_mday, monthstr[tm->tm_mon], tm->tm_year+1900, hr, tm->tm_min, tm->tm_sec, tm->tm_hour>11 ? "PM" : "AM", ""); #endif } #ifdef LINUX extern char *strptime(const char *s, const char *format, struct tm *tm); double parsetime(char *str) { char *fmt = "%c"; /* needed to suppress GCC warning */ char *res; time_t t; struct tm tm; res = strptime(str, fmt, &tm); if (res != NULL) { t = mktime(&tm); if (t == ((time_t)-1)) return -1; return (double)t; } return -1; } #else // TODO #endif void sleep_ms(int ms) { if (ms == 0) return; #ifdef WIN32 Sleep(ms); #else struct timeval timeout; timeout.tv_sec = ms/1000; timeout.tv_usec = (ms % 1000) * 1000; select(0, NULL, NULL, NULL, &timeout); #endif } void timeparts(int32_t *buf, double t) { time_t tme = (time_t)t; #ifndef WIN32 struct tm tm; localtime_r(&tme, &tm); tm.tm_year += 1900; memcpy(buf, (char*)&tm, sizeof(struct tm)); #else struct tm *tm; tm = localtime(&tme); tm->tm_year += 1900; memcpy(buf, (char*)tm, sizeof(struct tm)); #endif }