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