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/***
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 "alloc-util.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;
}
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