+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
- Copyright 2008-2014 Kay Sievers <kay@vrfy.org>
-
- 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/>.
+ Copyright © 2008-2014 Kay Sievers <kay@vrfy.org>
***/
#include <ctype.h>
/**
* udev_new:
*
- * Create udev library context. This reads the udev configuration
- * file, and fills in the default values.
+ * Create udev library context. This only allocates the basic data structure.
*
* The initial refcount is 1, and needs to be decremented to
* release the resources of the udev library context.
**/
_public_ struct udev *udev_new(void) {
struct udev *udev;
- _cleanup_fclose_ FILE *f = NULL;
udev = new0(struct udev, 1);
- if (udev == NULL)
+ if (!udev) {
+ errno = ENOMEM;
return NULL;
- udev->refcount = 1;
-
- f = fopen("/etc/udev/udev.conf", "re");
- if (f != NULL) {
- char line[UTIL_LINE_SIZE];
- unsigned line_nr = 0;
-
- while (fgets(line, sizeof(line), f)) {
- size_t len;
- char *key;
- char *val;
-
- line_nr++;
-
- /* find key */
- key = line;
- while (isspace(key[0]))
- key++;
-
- /* comment or empty line */
- if (key[0] == '#' || key[0] == '\0')
- continue;
-
- /* split key/value */
- val = strchr(key, '=');
- if (val == NULL) {
- log_debug("/etc/udev/udev.conf:%u: missing assignment, skipping line.", line_nr);
- continue;
- }
- val[0] = '\0';
- val++;
-
- /* find value */
- while (isspace(val[0]))
- val++;
-
- /* terminate key */
- len = strlen(key);
- if (len == 0)
- continue;
- while (isspace(key[len-1]))
- len--;
- key[len] = '\0';
-
- /* terminate value */
- len = strlen(val);
- if (len == 0)
- continue;
- while (isspace(val[len-1]))
- len--;
- val[len] = '\0';
-
- if (len == 0)
- continue;
-
- /* unquote */
- if (val[0] == '"' || val[0] == '\'') {
- if (val[len-1] != val[0]) {
- log_debug("/etc/udev/udev.conf:%u: inconsistent quoting, skipping line.", line_nr);
- continue;
- }
- val[len-1] = '\0';
- val++;
- }
-
- if (streq(key, "udev_log")) {
- int prio;
-
- prio = util_log_priority(val);
- if (prio < 0)
- log_debug("/etc/udev/udev.conf:%u: invalid log level '%s', ignoring.", line_nr, val);
- else
- log_set_max_level(prio);
- continue;
- }
- }
}
+ udev->refcount = 1;
return udev;
}
udev->refcount--;
if (udev->refcount > 0)
return udev;
- free(udev);
- return NULL;
+ return mfree(udev);
}
/**