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1 /* -*- C++ -*- |
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2 * |
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3 * This file is a part of LEMON, a generic C++ optimization library |
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4 * |
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5 * Copyright (C) 2003-2006 |
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6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 * |
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9 * Permission to use, modify and distribute this software is granted |
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10 * provided that this copyright notice appears in all copies. For |
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11 * precise terms see the accompanying LICENSE file. |
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12 * |
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13 * This software is provided "AS IS" with no warranty of any kind, |
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14 * express or implied, and with no claim as to its suitability for any |
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15 * purpose. |
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16 * |
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17 */ |
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18 |
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19 #ifndef LEMON_BITS_MINGW32_TIME_H |
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20 #define LEMON_BITS_MINGW32_TIME_H |
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21 |
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22 #ifdef WIN32 |
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23 |
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24 #include <windows.h> |
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25 #include <time.h> |
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26 #include "dos.h" |
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27 |
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28 static const char days[] = |
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29 "Sun Mon Tue Wed Thu Fri Sat "; |
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30 static const char months[] = |
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31 "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec "; |
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32 |
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33 inline void num2str(char *c,int i) { |
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34 c[0]=i/10+'0'; |
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35 c[1]=i%10+'0'; |
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36 } |
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37 |
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38 inline char *asctime_r(const struct tm *t, char *buf) { |
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39 /* "Wed Jun 30 21:49:08 1993\n" */ |
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40 *(int*)buf=*(int*)(days+(t->tm_wday<<2)); |
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41 *(int*)(buf+4)=*(int*)(months+(t->tm_mon<<2)); |
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42 num2str(buf+8,t->tm_mday); |
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43 if (buf[8]=='0') buf[8]=' '; |
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44 buf[10]=' '; |
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45 num2str(buf+11,t->tm_hour); |
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46 buf[13]=':'; |
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47 num2str(buf+14,t->tm_min); |
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48 buf[16]=':'; |
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49 num2str(buf+17,t->tm_sec); |
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50 buf[19]=' '; |
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51 num2str(buf+20,(t->tm_year+1900)/100); |
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52 num2str(buf+22,(t->tm_year+1900)%100); |
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53 buf[24]='\n'; buf[25]='\0'; |
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54 return buf; |
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55 } |
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56 |
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57 inline struct tm * localtime_r (const time_t *t, struct tm *tm) { |
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58 struct tm *tmp; |
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59 |
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60 if ((tmp = localtime(t)) && tm) |
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61 *tm = *tmp; |
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62 else |
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63 return 0; |
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64 |
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65 return tm; |
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66 } |
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67 |
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68 inline char *ctime_r(const time_t * tim_p , char * result) { |
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69 struct tm tm; |
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70 return asctime_r (localtime_r (tim_p, &tm), result); |
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71 } |
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72 |
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73 |
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74 inline int gettimeofday(struct timeval * tp, struct timezone *) { |
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75 SYSTEMTIME systime; |
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76 |
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77 if (tp) { |
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78 struct tm tmrec; |
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79 time_t theTime = time(NULL); |
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80 |
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81 |
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82 tmrec = *localtime(&theTime); |
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83 tp->tv_sec = mktime(&tmrec); |
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84 GetLocalTime(&systime); /* system time */ |
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85 |
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86 tp->tv_usec = systime.wMilliseconds * 1000; |
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87 } |
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88 return 0; |
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89 } |
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90 |
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91 |
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92 struct tms { |
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93 long tms_utime; |
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94 long tms_stime; |
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95 long tms_cutime; |
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96 long tms_cstime; |
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97 }; |
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98 |
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99 inline long filetime_to_clock(FILETIME *ft) |
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100 { |
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101 __int64 qw = ft->dwHighDateTime; |
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102 qw <<= 32; |
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103 qw |= ft->dwLowDateTime; |
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104 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */ |
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105 return (long) qw; |
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106 |
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107 } |
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108 |
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109 inline int times(struct tms *tmbuf) |
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110 { |
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111 FILETIME create, exit, kernel, user; |
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112 if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) { |
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113 tmbuf->tms_utime = filetime_to_clock(&user); |
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114 tmbuf->tms_stime = filetime_to_clock(&kernel); |
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115 tmbuf->tms_cutime = 0; |
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116 tmbuf->tms_cstime = 0; |
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117 } |
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118 else { |
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119 tmbuf->tms_utime = clock(); |
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120 tmbuf->tms_stime = 0; |
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121 tmbuf->tms_cutime = 0; |
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122 tmbuf->tms_cstime = 0; |
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123 } |
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124 return 0; |
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125 } |
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126 |
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127 #define _SC_CLK_TCK 1 |
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128 |
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129 inline int sysconf(int) |
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130 { |
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131 return 1; |
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132 } |
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133 |
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134 #endif |
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135 |
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136 |
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137 #endif |