lemon-0.x: lemon/bits/mingw32_time.h@080d51024ac5

     1 /* -*- C++ -*-

     2  *

     3  * This file is a part of LEMON, a generic C++ optimization library

     4  *

     5  * Copyright (C) 2003-2006

     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).

     8  *

     9  * Permission to use, modify and distribute this software is granted

    10  * provided that this copyright notice appears in all copies. For

    11  * precise terms see the accompanying LICENSE file.

    12  *

    13  * This software is provided "AS IS" with no warranty of any kind,

    14  * express or implied, and with no claim as to its suitability for any

    15  * purpose.

    16  *

    17  */

    19 #ifndef LEMON_BITS_MINGW32_TIME_H

    20 #define LEMON_BITS_MINGW32_TIME_H

    22 #ifdef WIN32

    24 #include <windows.h>

    25 #include <time.h>

    26 #include "dos.h"

    28 static const char days[] =

    29 "Sun Mon Tue Wed Thu Fri Sat ";

    30 static const char months[] =

    31 "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ";

    33 inline void num2str(char *c,int i) {

    34   c[0]=i/10+'0';

    35   c[1]=i%10+'0';

    36 }

    38 inline char *asctime_r(const struct tm *t, char *buf) {

    39   /* "Wed Jun 30 21:49:08 1993\n" */

    40   *(int*)buf=*(int*)(days+(t->tm_wday<<2));

    41   *(int*)(buf+4)=*(int*)(months+(t->tm_mon<<2));

    42   num2str(buf+8,t->tm_mday);

    43   if (buf[8]=='0') buf[8]=' ';

    44   buf[10]=' ';

    45   num2str(buf+11,t->tm_hour);

    46   buf[13]=':';

    47   num2str(buf+14,t->tm_min);

    48   buf[16]=':';

    49   num2str(buf+17,t->tm_sec);

    50   buf[19]=' ';

    51   num2str(buf+20,(t->tm_year+1900)/100);

    52   num2str(buf+22,(t->tm_year+1900)%100);

    53   buf[24]='\n'; buf[25]='\0';

    54   return buf;

    55 }

    57 inline struct tm * localtime_r (const time_t *t, struct tm *tm) {

    58   struct tm *tmp;

    60   if ((tmp = localtime(t)) && tm)

    61     *tm = *tmp;

    62   else

    63     return 0;

    65   return tm;

    66 }

    68 inline char *ctime_r(const time_t * tim_p , char * result) {

    69   struct tm tm;

    70   return asctime_r (localtime_r (tim_p, &tm), result);

    71 }

    74 inline int gettimeofday(struct timeval * tp, struct timezone *) {

    75   SYSTEMTIME systime;

    77   if (tp) {

    78     struct tm tmrec;

    79     time_t theTime = time(NULL);

    82     tmrec = *localtime(&theTime);

    83     tp->tv_sec = mktime(&tmrec);

    84     GetLocalTime(&systime); /* system time */

    86     tp->tv_usec = systime.wMilliseconds * 1000;

    87   }

    88   return 0;

    89 }

    92 struct tms {

    93   long	tms_utime;

    94   long	tms_stime;

    95   long	tms_cutime;

    96   long	tms_cstime;

    97 };

    99 inline long filetime_to_clock(FILETIME *ft)

   100 {

   101   __int64 qw = ft->dwHighDateTime;

   102   qw <<= 32;

   103   qw |= ft->dwLowDateTime;

   104   qw /= 10000;  /* File time ticks at 0.1uS, clock at 1mS */

   105   return (long) qw;

   107 }

   109 inline int times(struct tms *tmbuf)

   110 {

   111   FILETIME create, exit, kernel, user;

   112   if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {

   113     tmbuf->tms_utime = filetime_to_clock(&user);

   114     tmbuf->tms_stime = filetime_to_clock(&kernel);

   115     tmbuf->tms_cutime = 0;

   116     tmbuf->tms_cstime = 0;

   117   }

   118   else {

   119     tmbuf->tms_utime = clock();

   120     tmbuf->tms_stime = 0;

   121     tmbuf->tms_cutime = 0;

   122     tmbuf->tms_cstime = 0;

   123   }

   124   return 0;

   125 }

   127 #define _SC_CLK_TCK 1

   129 inline int sysconf(int)

   130 {

   131   return 1;

   132 }

   134 #endif

   137 #endif

author	deba
	Mon, 03 Apr 2006 09:45:23 +0000
changeset 2031	080d51024ac5
child 2035	e92071fadd3f
permissions	-rw-r--r--