Systemd/src/shared/udev-util.c

42 lines
1.1 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#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(NULL, "/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;
}