From bf8193ca9ec1f360e020d77200ead2257db0c5e2 Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Thu, 9 Jan 2014 20:27:42 -0500 Subject: udev: move udev_rules_check_timestamp to shared I want to use this from a bulitin in a subsequent patch. Signed-off-by: Anthony G. Basile --- src/udev/path-util.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/udev/path-util.c (limited to 'src/udev/path-util.c') 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 . +***/ + +#include +#include +#include +#include + +#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; +} -- cgit v1.2.3-54-g00ecf