sysdeps/unix/sysv/linux/utime.c

   1 /* utime -- Change access and modification times of file.  Linux version.
   2    Copyright (C) 2020-2023 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 <utime.h>
  20 #include <time.h>
  21 #include <fcntl.h>
  22
  23 int
  24 __utime64 (const char *file, const struct __utimbuf64 *times)
  25 {
  26   struct __timespec64 ts64[2];
  27
  28   if (times != NULL)
  29     {
  30       ts64[0].tv_sec = times->actime;
  31       ts64[0].tv_nsec = 0LL;
  32       ts64[1].tv_sec = times->modtime;
  33       ts64[1].tv_nsec = 0LL;
  34     }
  35
  36   return __utimensat64_helper (AT_FDCWD, file, times ? ts64 : NULL, 0);
  37 }
  38
  39 #if __TIMESIZE != 64
  40 libc_hidden_def (__utime64)
  41
  42 int
  43 __utime (const char *file, const struct utimbuf *times)
  44 {
  45   struct __utimbuf64 utb64;
  46
  47   if (times != NULL)
  48     {
  49       utb64.actime = (__time64_t) times->actime;
  50       utb64.modtime = (__time64_t) times->modtime;
  51     }
  52
  53   return __utime64 (file, times ? &utb64 : NULL);
  54 }
  55 #endif
  56 strong_alias (__utime, utime)
  57 libc_hidden_def (utime)