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/***
This file is part of eudev, forked from systemd.
Copyright 2010-2012 Lennart Poettering
systemd 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 2.1 of the License, or
(at your option) any later version.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "util.h"
#include "path-util.h"
bool paths_check_timestamp(char **paths, usec_t *paths_ts_usec, bool update)
{
unsigned int i;
bool changed = false;
if (paths == NULL)
goto out;
for (i = 0; paths[i]; i++) {
struct stat stats;
if (stat(paths[i], &stats) < 0)
continue;
if (paths_ts_usec[i] == timespec_load(&stats.st_mtim))
continue;
/* first check */
if (paths_ts_usec[i] != 0) {
log_debug("reload - timestamp of '%s' changed\n", paths[i]);
changed = true;
}
/* update timestamp */
if (update)
paths_ts_usec[i] = timespec_load(&stats.st_mtim);
}
out:
return changed;
}
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