2 * libuci - Library for the Unified Configuration Interface
3 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
5 * this program is free software; you can redistribute it and/or modify
6 * it under the terms of the gnu lesser general public license version 2.1
7 * as published by the free software foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
17 /* initialize a list head/item */
18 static inline void uci_list_init(struct uci_list *ptr)
24 /* inserts a new list entry between two consecutive entries */
25 static inline void __uci_list_add(struct uci_list *prev, struct uci_list *next, struct uci_list *ptr)
33 /* inserts a new list entry at the tail of the list */
34 static inline void uci_list_add(struct uci_list *head, struct uci_list *ptr)
36 /* NB: head->prev points at the tail */
37 __uci_list_add(head->prev, head, ptr);
40 static inline void uci_list_del(struct uci_list *ptr)
42 struct uci_list *next, *prev;
51 static void uci_drop_option(struct uci_option *option)
62 static struct uci_option *uci_add_option(struct uci_section *section, const char *name, const char *value)
64 struct uci_package *package = section->package;
65 struct uci_context *ctx = package->ctx;
66 struct uci_option *option = NULL;
68 UCI_TRAP_SAVE(ctx, error);
69 option = (struct uci_option *) uci_malloc(ctx, sizeof(struct uci_option));
70 option->name = uci_strdup(ctx, name);
71 option->value = uci_strdup(ctx, value);
72 uci_list_add(§ion->options, &option->list);
73 UCI_TRAP_RESTORE(ctx);
77 uci_drop_option(option);
78 UCI_THROW(ctx, ctx->errno);
82 static void uci_drop_section(struct uci_section *section)
84 struct uci_option *opt;
89 uci_foreach_entry(option, §ion->options, opt) {
90 uci_list_del(&opt->list);
101 static struct uci_section *uci_add_section(struct uci_package *package, const char *type, const char *name)
103 struct uci_section *section = NULL;
104 struct uci_context *ctx = package->ctx;
106 UCI_TRAP_SAVE(ctx, error);
107 package->n_section++;
108 section = (struct uci_section *) uci_malloc(ctx, sizeof(struct uci_section));
109 section->package = package;
110 uci_list_init(§ion->list);
111 uci_list_init(§ion->options);
112 section->type = uci_strdup(ctx, type);
114 section->name = uci_strdup(ctx, name);
116 asprintf(§ion->name, "cfg%d", package->n_section);
117 uci_list_add(&package->sections, §ion->list);
118 UCI_TRAP_RESTORE(ctx);
123 uci_drop_section(section);
124 UCI_THROW(ctx, ctx->errno);
128 static void uci_drop_config(struct uci_package *package)
130 struct uci_section *s;
135 uci_foreach_entry(section, &package->sections, s) {
136 uci_list_del(&s->list);
146 static struct uci_package *uci_alloc_config(struct uci_context *ctx, const char *name)
148 struct uci_package *package = NULL;
150 UCI_TRAP_SAVE(ctx, error);
151 package = (struct uci_package *) uci_malloc(ctx, sizeof(struct uci_package));
152 uci_list_init(&package->list);
153 uci_list_init(&package->sections);
154 package->name = uci_strdup(ctx, name);
156 UCI_TRAP_RESTORE(ctx);
160 uci_drop_config(package);
161 UCI_THROW(ctx, ctx->errno);
165 int uci_unload(struct uci_context *ctx, const char *name)
167 struct uci_package *package;
170 UCI_ASSERT(ctx, name != NULL);
172 uci_foreach_entry(package, &ctx->root, package) {
173 if (!strcmp(package->name, name))
176 UCI_THROW(ctx, UCI_ERR_NOTFOUND);
179 uci_list_del(&package->list);
180 uci_drop_config(package);
185 static inline char *get_filename(char *path)
189 p = strrchr(path, '/');
196 char **uci_list_configs()
203 if (glob(UCI_CONFDIR "/*", GLOB_MARK, NULL, &globbuf) != 0)
206 size = sizeof(char *) * (globbuf.gl_pathc + 1);
207 for(i = 0; i < globbuf.gl_pathc; i++) {
210 p = get_filename(globbuf.gl_pathv[i]);
214 size += strlen(p) + 1;
217 configs = malloc(size);
221 memset(configs, 0, size);
222 buf = (char *) &configs[globbuf.gl_pathc + 1];
223 for(i = 0; i < globbuf.gl_pathc; i++) {
226 p = get_filename(globbuf.gl_pathv[i]);
232 buf += strlen(buf) + 1;