sysdeps/unix/sysv/linux/futimes.c

   1 /* futimes -- change access and modification times of open file.  Linux version.
   2    Copyright (C) 2002-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <time.h>
  21
  22 /* Change the access time of the file associated with FD to TVP[0] and
  23    the modification time of FILE to TVP[1].  */
  24 int
  25 __futimes64 (int fd, const struct __timeval64 tvp64[2])
  26 {
  27   /* The utimensat system call expects timespec not timeval.  */
  28   struct __timespec64 ts64[2];
  29   if (tvp64 != NULL)
  30     {
  31       ts64[0] = timeval64_to_timespec64 (tvp64[0]);
  32       ts64[1] = timeval64_to_timespec64 (tvp64[1]);
  33     }
  34
  35   return __utimensat64_helper (fd, NULL, tvp64 ? &ts64[0] : NULL, 0);
  36 }
  37
  38 #if __TIMESIZE != 64
  39 libc_hidden_def (__futimes64)
  40
  41 int
  42 __futimes (int fd, const struct timeval tvp[2])
  43 {
  44   struct __timeval64 tv64[2];
  45
  46   if (tvp != NULL)
  47     {
  48       tv64[0] = valid_timeval_to_timeval64 (tvp[0]);
  49       tv64[1] = valid_timeval_to_timeval64 (tvp[1]);
  50     }
  51
  52   return __futimes64 (fd, tvp ? &tv64[0] : NULL);
  53 }
  54 #endif
  55 weak_alias (__futimes, futimes)