support/sys-time.c

   1 /*
   2  * <sys/stat.h> wrapper functions.
   3  *
   4  * Authors:
   5  *   Jonathan Pryor (jonpryor@vt.edu)
   6  *
   7  * Copyright (C) 2004-2006 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 gint32
  20 Mono_Posix_Syscall_gettimeofday (
  21         struct Mono_Posix_Timeval *tv,
  22         void *tz)
  23 {
  24         struct timeval _tv;
  25         struct timezone _tz;
  26         int r;
  27
  28         r = gettimeofday (&_tv, &_tz);
  29
  30         if (r == 0) {
  31                 if (tv) {
  32                         tv->tv_sec  = _tv.tv_sec;
  33                         tv->tv_usec = _tv.tv_usec;
  34                 }
  35                 if (tz) {
  36                         struct Mono_Posix_Timezone *tz_ = (struct Mono_Posix_Timezone *) tz;
  37                         tz_->tz_minuteswest = _tz.tz_minuteswest;
  38                         tz_->tz_dsttime     = 0;
  39                 }
  40         }
  41
  42         return r;
  43 }
  44
  45 gint32
  46 Mono_Posix_Syscall_settimeofday (
  47         struct Mono_Posix_Timeval *tv,
  48         struct Mono_Posix_Timezone *tz)
  49 {
  50         struct timeval _tv   = {0};
  51         struct timeval *ptv  = NULL;
  52         struct timezone _tz  = {0};
  53         struct timezone *ptz = NULL;
  54         int r;
  55
  56         if (tv) {
  57                 _tv.tv_sec  = tv->tv_sec;
  58                 _tv.tv_usec = tv->tv_usec;
  59                 ptv = &_tv;
  60         }
  61         if (tz) {
  62                 _tz.tz_minuteswest = tz->tz_minuteswest;
  63                 _tz.tz_dsttime = 0;
  64                 ptz = &_tz;
  65         }
  66
  67         r = settimeofday (ptv, ptz);
  68
  69         return r;
  70 }
  71
  72 static inline struct timeval*
  73 copy_utimes (struct timeval* to, struct Mono_Posix_Timeval *from)
  74 {
  75         if (from) {
  76                 to[0].tv_sec  = from[0].tv_sec;
  77                 to[0].tv_usec = from[0].tv_usec;
  78                 to[1].tv_sec  = from[1].tv_sec;
  79                 to[1].tv_usec = from[1].tv_usec;
  80                 return to;
  81         }
  82
  83         return NULL;
  84 }
  85
  86 gint32
  87 Mono_Posix_Syscall_utimes(const char *filename, struct Mono_Posix_Timeval *tv)
  88 {
  89         struct timeval _tv[2];
  90         struct timeval *ptv;
  91
  92         ptv = copy_utimes (_tv, tv);
  93
  94         return utimes (filename, ptv);
  95 }
  96
  97 #ifdef HAVE_LUTIMES
  98 gint32
  99 Mono_Posix_Syscall_lutimes(const char *filename, struct Mono_Posix_Timeval *tv)
 100 {
 101         struct timeval _tv[2];
 102         struct timeval *ptv;
 103
 104         ptv = copy_utimes (_tv, tv);
 105
 106         return lutimes (filename, ptv);
 107 }
 108 #endif /* def HAVE_LUTIMES */
 109
 110 #if HAVE_FUTIMES
 111 gint32
 112 Mono_Posix_Syscall_futimes(int fd, struct Mono_Posix_Timeval *tv)
 113 {
 114         struct timeval _tv[2];
 115         struct timeval *ptv;
 116
 117         ptv = copy_utimes (_tv, tv);
 118
 119         return futimes (fd, ptv);
 120 }
 121 #endif  /* def HAVE_FUTIMES */
 122
 123 G_END_DECLS
 124
 125 /*
 126  * vim: noexpandtab
 127  */