--- /dev/null
+/***
+ This file is part of systemd.
+
+ Copyright 2017 Zbigniew Jędrzejewski-Szmek
+
+ 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 <string.h>
+
+#include "fileio.h"
+#include "log.h"
+#include "string-util.h"
+#include "udev-util.h"
+
+int udev_parse_config(void) {
+ _cleanup_free_ char *val = NULL;
+ const char *log;
+ size_t n;
+ int r;
+
+ r = parse_env_file("/etc/udev/udev.conf", NEWLINE, "udev_log", &val, NULL);
+ if (r == -ENOENT || !val)
+ return 0;
+ if (r < 0)
+ return r;
+
+ /* unquote */
+ n = strlen(val);
+ if (n >= 2 &&
+ ((val[0] == '"' && val[n-1] == '"') ||
+ (val[0] == '\'' && val[n-1] == '\''))) {
+ val[n - 1] = '\0';
+ log = val + 1;
+ } else
+ log = val;
+
+ /* we set the udev log level here explicitly, this is supposed
+ * to regulate the code in libudev/ and udev/. */
+ r = log_set_max_level_from_string_realm(LOG_REALM_UDEV, log);
+ if (r < 0)
+ log_debug_errno(r, "/etc/udev/udev.conf: failed to set udev log level '%s', ignoring: %m", log);
+
+ return 0;
+}