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 /* Remove this at some point in the future */
  73 gint32
  74 Mono_Posix_Syscall_utimes_bad (const char *filename,
  75         struct Mono_Posix_Timeval *tv)
  76 {
  77         struct timeval _tv;
  78         struct timeval *ptv = NULL;
  79
  80         if (tv) {
  81                 _tv.tv_sec  = tv->tv_sec;
  82                 _tv.tv_usec = tv->tv_usec;
  83                 ptv = &_tv;
  84         }
  85
  86         return utimes (filename, ptv);
  87 }
  88
  89 static inline struct timeval*
  90 copy_utimes (struct timeval* to, struct Mono_Posix_Timeval *from)
  91 {
  92         if (from) {
  93                 to[0].tv_sec  = from[0].tv_sec;
  94                 to[0].tv_usec = from[0].tv_usec;
  95                 to[1].tv_sec  = from[1].tv_sec;
  96                 to[1].tv_usec = from[1].tv_usec;
  97                 return to;
  98         }
  99
 100         return NULL;
 101 }
 102
 103 gint32
 104 Mono_Posix_Syscall_utimes(const char *filename, struct Mono_Posix_Timeval *tv)
 105 {
 106         struct timeval _tv[2];
 107         struct timeval *ptv;
 108
 109         ptv = copy_utimes (_tv, tv);
 110
 111         return utimes (filename, ptv);
 112 }
 113
 114 #ifdef HAVE_LUTIMES
 115 gint32
 116 Mono_Posix_Syscall_lutimes(const char *filename, struct Mono_Posix_Timeval *tv)
 117 {
 118         struct timeval _tv[2];
 119         struct timeval *ptv;
 120
 121         ptv = copy_utimes (_tv, tv);
 122
 123         return lutimes (filename, ptv);
 124 }
 125 #endif /* def HAVE_LUTIMES */
 126
 127 #if HAVE_FUTIMES
 128 gint32
 129 Mono_Posix_Syscall_futimes(int fd, struct Mono_Posix_Timeval *tv)
 130 {
 131         struct timeval _tv[2];
 132         struct timeval *ptv;
 133
 134         ptv = copy_utimes (_tv, tv);
 135
 136         return futimes (fd, ptv);
 137 }
 138 #endif  /* def HAVE_FUTIMES */
 139
 140 G_END_DECLS
 141
 142 /*
 143  * vim: noexpandtab
 144  */