support/sys-time.c

   1 /*
   2  * <sys/stat.h> wrapper functions.
   3  *
   4  * Authors:
   5  *   Jonathan Pryor (jonpryor@vt.edu)
   6  *
   7  * Copyright (C) 2004 Jonathan Pryor
   8  */
   9
  10 #include <sys/types.h>
  11 #include <sys/time.h>
  12 #include <string.h>
  13
  14 #include "map.h"
  15 #include "mph.h"
  16
  17 G_BEGIN_DECLS
  18
  19 struct Mono_Posix_Timeval {
  20         /* time_t */      mph_time_t  tv_sec;   /* seconds */
  21         /* suseconds_t */ gint64      tv_usec;  /* microseconds */
  22 };
  23
  24 struct Mono_Posix_Timezone {
  25         int tz_minuteswest;  /* minutes W of Greenwich */
  26         int tz_dsttime;      /* ignored */
  27 };
  28
  29 gint32
  30 Mono_Posix_Syscall_gettimeofday (
  31         struct Mono_Posix_Timeval *tv,
  32         void *tz)
  33 {
  34         struct timeval _tv;
  35         struct timezone _tz;
  36         int r;
  37
  38         r = gettimeofday (&_tv, &_tz);
  39
  40         if (r == 0) {
  41                 if (tv) {
  42                         tv->tv_sec  = _tv.tv_sec;
  43                         tv->tv_usec = _tv.tv_usec;
  44                 }
  45                 if (tz) {
  46                         struct Mono_Posix_Timezone *tz_ = (struct Mono_Posix_Timezone *) tz;
  47                         tz_->tz_minuteswest = _tz.tz_minuteswest;
  48                         tz_->tz_dsttime     = 0;
  49                 }
  50         }
  51
  52         return r;
  53 }
  54
  55 gint32
  56 Mono_Posix_Syscall_settimeofday (
  57         struct Mono_Posix_Timeval *tv,
  58         struct Mono_Posix_Timezone *tz)
  59 {
  60         struct timeval _tv   = {0};
  61         struct timeval *ptv  = NULL;
  62         struct timezone _tz  = {0};
  63         struct timezone *ptz = NULL;
  64         int r;
  65
  66         if (tv) {
  67                 _tv.tv_sec  = tv->tv_sec;
  68                 _tv.tv_usec = tv->tv_usec;
  69                 ptv = &_tv;
  70         }
  71         if (tz) {
  72                 _tz.tz_minuteswest = tz->tz_minuteswest;
  73                 _tz.tz_dsttime = 0;
  74                 ptz = &_tz;
  75         }
  76
  77         r = settimeofday (ptv, ptz);
  78
  79         return r;
  80 }
  81
  82 gint32
  83 Mono_Posix_Syscall_utimes (const char *filename,
  84         struct Mono_Posix_Timeval *tv)
  85 {
  86         struct timeval _tv;
  87         struct timeval *ptv = NULL;
  88
  89         if (tv) {
  90                 _tv.tv_sec  = tv->tv_sec;
  91                 _tv.tv_usec = tv->tv_usec;
  92                 ptv = &_tv;
  93         }
  94
  95         return utimes (filename, ptv);
  96 }
  97
  98 G_END_DECLS
  99
 100 /*
 101  * vim: noexpandtab
 102  */