1 files changed, 57 insertions, 0 deletions
diff --git a/src/udev/path-util.c b/src/udev/path-util.c
new file mode 100644
index 0000000000..17650be086
--- /dev/null
+++ b/src/udev/path-util.c
@@ -0,0 +1,57 @@
+/***
+  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;
+}