lemon/bits/mingw32_time.cc
author alpar
Wed, 05 Jul 2006 16:59:45 +0000
changeset 2120 a907fb95f1e0
child 2391 14a343be7a5a
permissions -rw-r--r--
As we agreed, Node/Edge::operator<() is required by the concept
     1 #ifdef WIN32
     2 
     3 #include <lemon/bits/mingw32_time.h>
     4 
     5 #include <windows.h>
     6 #include <ctime>
     7 #include "dos.h"
     8 
     9 static const char days[] = 
    10 "Sun Mon Tue Wed Thu Fri Sat ";
    11 static const char months[] = 
    12 "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ";
    13 
    14 void num2str(char *c,int i) {
    15   c[0]=i/10+'0';
    16   c[1]=i%10+'0';
    17 }
    18 
    19 char *asctime_r(const struct tm *t, char *buf) {
    20   *(int*)buf=*(int*)(days+(t->tm_wday<<2));
    21   *(int*)(buf+4)=*(int*)(months+(t->tm_mon<<2));
    22   num2str(buf+8,t->tm_mday);
    23   if (buf[8]=='0') buf[8]=' ';
    24   buf[10]=' ';
    25   num2str(buf+11,t->tm_hour);
    26   buf[13]=':';
    27   num2str(buf+14,t->tm_min);
    28   buf[16]=':';
    29   num2str(buf+17,t->tm_sec);
    30   buf[19]=' ';
    31   num2str(buf+20,(t->tm_year+1900)/100);
    32   num2str(buf+22,(t->tm_year+1900)%100);
    33   buf[24]='\n'; buf[25]='\0';
    34   return buf;
    35 }
    36 
    37 struct tm * localtime_r (const time_t *t, struct tm *tm) {
    38   struct tm *tmp;
    39   
    40   if ((tmp = localtime(t)) && tm)
    41     *tm = *tmp;
    42   else
    43     return 0;
    44   
    45   return tm;
    46 }
    47 
    48 char *ctime_r(const time_t * tim_p , char * result) {
    49   struct tm tm;
    50   return asctime_r (localtime_r (tim_p, &tm), result);
    51 }
    52 
    53 
    54 int gettimeofday(struct timeval * tp, struct timezone *) {
    55   SYSTEMTIME systime;
    56 
    57   if (tp) {
    58     struct tm tmrec;
    59     time_t theTime = time(NULL);
    60     
    61     
    62     tmrec = *localtime(&theTime);
    63     tp->tv_sec = mktime(&tmrec);
    64     GetLocalTime(&systime); /* system time */
    65 
    66     tp->tv_usec = systime.wMilliseconds * 1000;
    67   }
    68   return 0;
    69 }
    70 
    71 long filetime_to_clock(FILETIME *ft)
    72 {
    73   __int64 qw = ft->dwHighDateTime;
    74   qw <<= 32;
    75   qw |= ft->dwLowDateTime;
    76   qw /= 10000;  
    77   return (long) qw;
    78 
    79 }
    80 
    81 int times(struct tms *tmbuf)
    82 {
    83   FILETIME create, exit, kernel, user;
    84   if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {
    85     tmbuf->tms_utime = filetime_to_clock(&user);
    86     tmbuf->tms_stime = filetime_to_clock(&kernel);
    87     tmbuf->tms_cutime = 0;
    88     tmbuf->tms_cstime = 0;
    89   }
    90   else {
    91     tmbuf->tms_utime = clock();
    92     tmbuf->tms_stime = 0;
    93     tmbuf->tms_cutime = 0;
    94     tmbuf->tms_cstime = 0;
    95   }
    96   return 0;
    97 }
    98 
    99 int sysconf(int)
   100 {
   101   return 1;
   102 }
   103 
   104 #endif