lemon/bits/mingw32_time.cc
author deba
Wed, 18 Oct 2006 15:18:27 +0000
changeset 2255 4a9cc8c800ae
child 2391 14a343be7a5a
permissions -rw-r--r--
It have not been saved
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#ifdef WIN32
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#include <lemon/bits/mingw32_time.h>
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#include <windows.h>
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#include <ctime>
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#include "dos.h"
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static const char days[] = 
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"Sun Mon Tue Wed Thu Fri Sat ";
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static const char months[] = 
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"Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ";
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void num2str(char *c,int i) {
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  c[0]=i/10+'0';
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  c[1]=i%10+'0';
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}
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char *asctime_r(const struct tm *t, char *buf) {
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  *(int*)buf=*(int*)(days+(t->tm_wday<<2));
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  *(int*)(buf+4)=*(int*)(months+(t->tm_mon<<2));
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  num2str(buf+8,t->tm_mday);
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  if (buf[8]=='0') buf[8]=' ';
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  buf[10]=' ';
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  num2str(buf+11,t->tm_hour);
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  buf[13]=':';
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  num2str(buf+14,t->tm_min);
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  buf[16]=':';
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  num2str(buf+17,t->tm_sec);
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  buf[19]=' ';
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  num2str(buf+20,(t->tm_year+1900)/100);
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  num2str(buf+22,(t->tm_year+1900)%100);
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  buf[24]='\n'; buf[25]='\0';
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  return buf;
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}
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struct tm * localtime_r (const time_t *t, struct tm *tm) {
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  struct tm *tmp;
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  if ((tmp = localtime(t)) && tm)
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    *tm = *tmp;
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  else
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    return 0;
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  return tm;
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}
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char *ctime_r(const time_t * tim_p , char * result) {
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  struct tm tm;
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  return asctime_r (localtime_r (tim_p, &tm), result);
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}
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int gettimeofday(struct timeval * tp, struct timezone *) {
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  SYSTEMTIME systime;
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  if (tp) {
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    struct tm tmrec;
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    time_t theTime = time(NULL);
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    tmrec = *localtime(&theTime);
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    tp->tv_sec = mktime(&tmrec);
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    GetLocalTime(&systime); /* system time */
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    tp->tv_usec = systime.wMilliseconds * 1000;
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  }
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  return 0;
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}
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long filetime_to_clock(FILETIME *ft)
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{
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  __int64 qw = ft->dwHighDateTime;
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  qw <<= 32;
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  qw |= ft->dwLowDateTime;
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  qw /= 10000;  
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  return (long) qw;
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}
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int times(struct tms *tmbuf)
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{
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  FILETIME create, exit, kernel, user;
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  if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {
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    tmbuf->tms_utime = filetime_to_clock(&user);
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    tmbuf->tms_stime = filetime_to_clock(&kernel);
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    tmbuf->tms_cutime = 0;
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    tmbuf->tms_cstime = 0;
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  }
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  else {
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    tmbuf->tms_utime = clock();
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    tmbuf->tms_stime = 0;
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    tmbuf->tms_cutime = 0;
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    tmbuf->tms_cstime = 0;
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  }
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  return 0;
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}
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int sysconf(int)
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{
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  return 1;
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}
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#endif