sysklogd/lib/utimensat.c

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/* Replacement in case utimensat(2) is missing
*
* Copyright (C) 2017-2018 Joachim Nilsson <troglobit@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <sys/time.h> /* lutimes(), utimes(), utimensat() */
int utimensat(int dirfd, const char *pathname, const struct timespec ts[2], int flags)
{
int ret = -1;
struct timeval tv[2];
if (dirfd != 0) {
errno = ENOTSUP;
return -1;
}
TIMESPEC_TO_TIMEVAL(&tv[0], &ts[0]);
TIMESPEC_TO_TIMEVAL(&tv[1], &ts[1]);
#ifdef AT_SYMLINK_NOFOLLOW
if ((flags & AT_SYMLINK_NOFOLLOW) == AT_SYMLINK_NOFOLLOW)
ret = lutimes(pathname, tv);
else
#endif
ret = utimes(pathname, tv);
return ret;
}