COIN-OR::LEMON - Graph Library

source: lemon-0.x/lemon/bits/mingw32_time.cc @ 2391:14a343be7a5a

Last change on this file since 2391:14a343be7a5a was 2391:14a343be7a5a, checked in by Alpar Juttner, 12 years ago

Happy New Year to all source files!

File size: 2.6 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2007
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 */
18
19#ifdef WIN32
20
21#include <lemon/bits/mingw32_time.h>
22
23#include <windows.h>
24#include <ctime>
25#include "dos.h"
26
27static const char days[] =
28"Sun Mon Tue Wed Thu Fri Sat ";
29static const char months[] =
30"Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ";
31
32void num2str(char *c,int i) {
33  c[0]=i/10+'0';
34  c[1]=i%10+'0';
35}
36
37char *asctime_r(const struct tm *t, char *buf) {
38  *(int*)buf=*(int*)(days+(t->tm_wday<<2));
39  *(int*)(buf+4)=*(int*)(months+(t->tm_mon<<2));
40  num2str(buf+8,t->tm_mday);
41  if (buf[8]=='0') buf[8]=' ';
42  buf[10]=' ';
43  num2str(buf+11,t->tm_hour);
44  buf[13]=':';
45  num2str(buf+14,t->tm_min);
46  buf[16]=':';
47  num2str(buf+17,t->tm_sec);
48  buf[19]=' ';
49  num2str(buf+20,(t->tm_year+1900)/100);
50  num2str(buf+22,(t->tm_year+1900)%100);
51  buf[24]='\n'; buf[25]='\0';
52  return buf;
53}
54
55struct tm * localtime_r (const time_t *t, struct tm *tm) {
56  struct tm *tmp;
57 
58  if ((tmp = localtime(t)) && tm)
59    *tm = *tmp;
60  else
61    return 0;
62 
63  return tm;
64}
65
66char *ctime_r(const time_t * tim_p , char * result) {
67  struct tm tm;
68  return asctime_r (localtime_r (tim_p, &tm), result);
69}
70
71
72int gettimeofday(struct timeval * tp, struct timezone *) {
73  SYSTEMTIME systime;
74
75  if (tp) {
76    struct tm tmrec;
77    time_t theTime = time(NULL);
78   
79   
80    tmrec = *localtime(&theTime);
81    tp->tv_sec = mktime(&tmrec);
82    GetLocalTime(&systime); /* system time */
83
84    tp->tv_usec = systime.wMilliseconds * 1000;
85  }
86  return 0;
87}
88
89long filetime_to_clock(FILETIME *ft)
90{
91  __int64 qw = ft->dwHighDateTime;
92  qw <<= 32;
93  qw |= ft->dwLowDateTime;
94  qw /= 10000; 
95  return (long) qw;
96
97}
98
99int times(struct tms *tmbuf)
100{
101  FILETIME create, exit, kernel, user;
102  if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {
103    tmbuf->tms_utime = filetime_to_clock(&user);
104    tmbuf->tms_stime = filetime_to_clock(&kernel);
105    tmbuf->tms_cutime = 0;
106    tmbuf->tms_cstime = 0;
107  }
108  else {
109    tmbuf->tms_utime = clock();
110    tmbuf->tms_stime = 0;
111    tmbuf->tms_cutime = 0;
112    tmbuf->tms_cstime = 0;
113  }
114  return 0;
115}
116
117int sysconf(int)
118{
119  return 1;
120}
121
122#endif
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