]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/libudev/libudev.c
tree-wide: beautify remaining copyright statements
[thirdparty/systemd.git] / src / libudev / libudev.c
index 63fb05547dee4e1c59ce30749ea7574968fb2fd8..58804a8e166043baba60ad3c058d102b44a56312 100644 (file)
@@ -1,20 +1,6 @@
+/* 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>
@@ -84,8 +70,7 @@ _public_ void udev_set_userdata(struct udev *udev, void *userdata) {
 /**
  * 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.
@@ -94,88 +79,13 @@ _public_ void udev_set_userdata(struct udev *udev, void *userdata) {
  **/
 _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;
 }
@@ -210,8 +120,7 @@ _public_ struct udev *udev_unref(struct udev *udev) {
         udev->refcount--;
         if (udev->refcount > 0)
                 return udev;
-        free(udev);
-        return NULL;
+        return mfree(udev);
 }
 
 /**