dmake/unix/bsd43/utime.c

   1 /* RCS  $Id: utime.c,v 1.1.1.1 2000-09-22 15:33:34 hr Exp $
   2 --
   3 -- SYNOPSIS
   4 --      utime
   5 --
   6 -- DESCRIPTION
   7 --      Provide our own utime function.
   8 --
   9 -- AUTHOR
  10 --      Dennis Vadura, dvadura@dmake.wticorp.com
  11 --
  12 -- WWW
  13 --      http://dmake.wticorp.com/
  14 --
  15 -- COPYRIGHT
  16 --      Copyright (c) 1996,1997 by WTI Corp.  All rights reserved.
  17 --
  18 --      This program is NOT free software; you can redistribute it and/or
  19 --      modify it under the terms of the Software License Agreement Provided
  20 --      in the file <distribution-root>/readme/license.txt.
  21 --
  22 -- LOG
  23 --      Use cvs log to obtain detailed change logs.
  24 */
  25
  26 #include <sys/types.h>
  27 #include <sys/time.h>
  28 #include <sys/stat.h>
  29 #include <sys/file.h>
  30
  31 int
  32 utime(name, timep)
  33 char*   name;
  34 time_t  timep[2];
  35 {
  36     struct timeval tv[2], *tvp;
  37     struct stat buf;
  38     int fil;
  39     char        data;
  40
  41     if (timep!=0)
  42     {
  43         tvp = tv, tv[0].tv_sec = timep[0], tv[1].tv_sec = timep[1];
  44         if (utimes(name, tvp)==0)
  45             return (0);
  46     }
  47
  48     if (stat(name, &buf) != 0)
  49         return (-1);
  50     if (buf.st_size != 0)  {
  51         if ((fil = open(name, O_RDWR, 0666)) < 0)
  52             return (-1);
  53         if (read(fil, &data, 1) < 1) {
  54             close(fil);
  55             return (-1);
  56         }
  57         lseek(fil, 0L, 0);
  58         if (write(fil, &data, 1) < 1) {
  59             close(fil);
  60             return (-1);
  61         }
  62         close(fil);
  63         return (0);
  64     } else      if ((fil = creat(name, 0666)) < 0) {
  65         return (-1);
  66     } else {
  67         close(fil);
  68         return (0);
  69     }
  70 }