2 * udev_utils.c - generic stuff used by udev
4 * Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation version 2 of the License.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include <sys/utsname.h>
33 #include "udev_libc_wrapper.h"
36 #include "udev_utils.h"
40 int log_priority(const char *priority)
45 prio = strtol(priority, &endptr, 10);
46 if (endptr[0] == '\0')
48 if (strncasecmp(priority, "err", 3) == 0)
50 if (strcasecmp(priority, "info") == 0)
52 if (strcasecmp(priority, "debug") == 0)
54 if (string_is_true(priority))
60 int kernel_release_satisfactory(unsigned int version, unsigned int patchlevel, unsigned int sublevel)
62 static unsigned int kversion = 0;
63 static unsigned int kpatchlevel;
64 static unsigned int ksublevel;
71 if (sscanf (uts.release, "%u.%u.%u", &kversion, &kpatchlevel, &ksublevel) != 3) {
77 if (kversion >= version && kpatchlevel >= patchlevel && ksublevel >= sublevel)
83 int name_list_add(struct list_head *name_list, const char *name, int sort)
85 struct name_entry *loop_name;
86 struct name_entry *new_name;
88 list_for_each_entry(loop_name, name_list, node) {
90 if (strcmp(loop_name->name, name) == 0) {
91 dbg("'%s' is already in the list", name);
97 list_for_each_entry(loop_name, name_list, node) {
98 if (sort && strcmp(loop_name->name, name) > 0)
102 new_name = malloc(sizeof(struct name_entry));
103 if (new_name == NULL) {
108 strlcpy(new_name->name, name, sizeof(new_name->name));
109 dbg("adding '%s'", new_name->name);
110 list_add_tail(&new_name->node, &loop_name->node);
115 int name_list_key_add(struct list_head *name_list, const char *key, const char *value)
117 struct name_entry *loop_name;
118 struct name_entry *new_name;
120 list_for_each_entry(loop_name, name_list, node) {
121 if (strncmp(loop_name->name, key, strlen(key)) == 0) {
122 dbg("key already present '%s', replace it", loop_name->name);
123 snprintf(loop_name->name, sizeof(loop_name->name), "%s=%s", key, value);
124 loop_name->name[sizeof(loop_name->name)-1] = '\0';
129 new_name = malloc(sizeof(struct name_entry));
130 if (new_name == NULL) {
135 snprintf(new_name->name, sizeof(new_name->name), "%s=%s", key, value);
136 new_name->name[sizeof(new_name->name)-1] = '\0';
137 dbg("adding '%s'", new_name->name);
138 list_add_tail(&new_name->node, &loop_name->node);
143 void name_list_cleanup(struct list_head *name_list)
145 struct name_entry *name_loop;
146 struct name_entry *temp_loop;
148 list_for_each_entry_safe(name_loop, temp_loop, name_list, node) {
149 list_del(&name_loop->node);
154 /* calls function for every file found in specified directory */
155 int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix)
160 char filename[PATH_SIZE];
162 dbg("open directory '%s'", dirname);
163 dir = opendir(dirname);
165 dbg("unable to open '%s'", dirname);
171 if (ent == NULL || ent->d_name[0] == '\0')
174 if ((ent->d_name[0] == '.') || (ent->d_name[0] == COMMENT_CHARACTER))
177 /* look for file matching with specified suffix */
178 ext = strrchr(ent->d_name, '.');
182 if (strcmp(ext, suffix) != 0)
185 dbg("put file '%s/%s' in list", dirname, ent->d_name);
187 snprintf(filename, sizeof(filename), "%s/%s", dirname, ent->d_name);
188 filename[sizeof(filename)-1] = '\0';
189 name_list_add(name_list, filename, 1);