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glibc  2.9
futimes.c
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00001 /* futimes -- change access and modification times of open file.  Hurd version.
00002    Copyright (C) 2002, 2006 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <sys/time.h>
00021 #include <errno.h>
00022 #include <stddef.h>
00023 #include <hurd.h>
00024 #include <hurd/fd.h>
00025 
00026 /* Change the access time of FD to TVP[0] and
00027    the modification time of FD to TVP[1].  */
00028 int
00029 __futimes (int fd, const struct timeval tvp[2])
00030 {
00031   union tv
00032   {
00033     struct timeval tv;
00034     time_value_t tvt;
00035   };
00036   const union tv *u = (const union tv *) tvp;
00037   union tv nulltv[2];
00038   error_t err;
00039 
00040   if (tvp == NULL)
00041     {
00042       /* Setting the number of microseconds to `-1' tells the
00043          underlying filesystems to use the current time.  */
00044       nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
00045       u = nulltv;
00046     }
00047 
00048   err = HURD_DPORT_USE (fd, __file_utimes (port, u[0].tvt, u[1].tvt));
00049   return err ? __hurd_dfail (fd, err) : 0;
00050 }
00051 weak_alias (__futimes, futimes)