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emacs/lib/futimens.c
2024-01-02 09:47:10 +08:00

38 lines
1.4 KiB
C

/* Set the access and modification time of an open fd.
Copyright (C) 2009-2024 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* written by Eric Blake */
#include <config.h>
#include <sys/stat.h>
#include "utimens.h"
/* Set the access and modification timestamps of FD to be
TIMESPEC[0] and TIMESPEC[1], respectively.
Fail with ENOSYS on systems without futimes (or equivalent).
If TIMESPEC is null, set the timestamps to the current time.
Return 0 on success, -1 (setting errno) on failure. */
int
futimens (int fd, struct timespec const times[2])
{
/* fdutimens also works around bugs in native futimens, when running
with glibc compiled against newer headers but on a Linux kernel
older than 2.6.32. */
return fdutimens (fd, NULL, times);
}