X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=list.c;h=0b3dd947049cd2ea9c8c30e47e231afd6bc68283;hp=58880422cdb16d7c49253c7caf94ff6acb9f1063;hb=bc7b118f0a40709c985b54c96d826e9057c9f0dd;hpb=1d2aca0fc893bd253a66e1b2628f8c8c5925fb41

diff --git a/list.c b/list.c
index 5888042..0b3dd94 100644
--- a/list.c
+++ b/list.c
@@ -12,6 +12,8 @@
  * GNU General Public License for more details.
  */
 
+#include <glob.h>
+
 /* initialize a list head/item */
 static inline void uci_list_init(struct uci_list *ptr)
 {
@@ -22,10 +24,10 @@ static inline void uci_list_init(struct uci_list *ptr)
 /* inserts a new list entry between two consecutive entries */
 static inline void __uci_list_add(struct uci_list *prev, struct uci_list *next, struct uci_list *ptr)
 {
-	prev->next = ptr;
 	next->prev = ptr;
 	ptr->prev = prev;
 	ptr->next = next;
+	prev->next = ptr;
 }
 
 /* inserts a new list entry at the tail of the list */
@@ -46,24 +48,186 @@ static inline void uci_list_del(struct uci_list *ptr)
 	next->prev = prev;
 }
 
-static struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *name)
+static void uci_drop_option(struct uci_option *option)
 {
-	struct uci_config *cfg;
+	if (!option)
+		return;
+	if (option->name)
+		free(option->name);
+	if (option->value)
+		free(option->value);
+	free(option);
+}
+
+static struct uci_option *uci_add_option(struct uci_section *section, const char *name, const char *value)
+{
+	struct uci_config *cfg = section->config;
+	struct uci_context *ctx = cfg->ctx;
+	struct uci_option *option = NULL;
+
+	UCI_TRAP_SAVE(ctx, error);
+	option = (struct uci_option *) uci_malloc(ctx, sizeof(struct uci_option));
+	option->name = uci_strdup(ctx, name);
+	option->value = uci_strdup(ctx, value);
+	uci_list_add(&section->options, &option->list);
+	UCI_TRAP_RESTORE(ctx);
+	return option;
+
+error:
+	uci_drop_option(option);
+	UCI_THROW(ctx, ctx->errno);
+	return NULL;
+}
+
+static void uci_drop_section(struct uci_section *section)
+{
+	struct uci_option *opt;
+
+	if (!section)
+		return;
+
+	uci_foreach_entry(option, &section->options, opt) {
+		uci_list_del(&opt->list);
+		uci_drop_option(opt);
+	}
+
+	if (section->name)
+		free(section->name);
+	if (section->type)
+		free(section->type);
+	free(section);
+}
+
+static struct uci_section *uci_add_section(struct uci_config *cfg, const char *type, const char *name)
+{
+	struct uci_section *section = NULL;
+	struct uci_context *ctx = cfg->ctx;
+
+	UCI_TRAP_SAVE(ctx, error);
+	section = (struct uci_section *) uci_malloc(ctx, sizeof(struct uci_section));
+	section->config = cfg;
+	uci_list_init(&section->list);
+	uci_list_init(&section->options);
+	section->type = uci_strdup(ctx, type);
+	if (name)
+		section->name = uci_strdup(ctx, name);
+	uci_list_add(&cfg->sections, &section->list);
+	UCI_TRAP_RESTORE(ctx);
+
+	return section;
+
+error:
+	uci_drop_section(section);
+	UCI_THROW(ctx, ctx->errno);
+	return NULL;
+}
+
+static void uci_drop_config(struct uci_config *cfg)
+{
+	struct uci_section *s;
+
+	if(!cfg)
+		return;
+
+	uci_foreach_entry(section, &cfg->sections, s) {
+		uci_list_del(&s->list);
+		uci_drop_section(s);
+	}
+
+	if (cfg->name)
+		free(cfg->name);
+	free(cfg);
+}
+
+
+static struct uci_config *uci_alloc_config(struct uci_context *ctx, const char *name)
+{
+	struct uci_config *cfg = NULL;
 
+	UCI_TRAP_SAVE(ctx, error);
 	cfg = (struct uci_config *) uci_malloc(ctx, sizeof(struct uci_config));
 	uci_list_init(&cfg->list);
 	uci_list_init(&cfg->sections);
 	cfg->name = uci_strdup(ctx, name);
 	cfg->ctx = ctx;
-
+	UCI_TRAP_RESTORE(ctx);
 	return cfg;
+
+error:
+	uci_drop_config(cfg);
+	UCI_THROW(ctx, ctx->errno);
+	return NULL;
 }
 
-static void uci_drop_file(struct uci_config *cfg)
+int uci_unload(struct uci_context *ctx, const char *name)
 {
-	/* TODO: free children */
+	struct uci_config *cfg;
+
+	UCI_HANDLE_ERR(ctx);
+	UCI_ASSERT(ctx, name != NULL);
+
+	uci_foreach_entry(config, &ctx->root, cfg) {
+		if (!strcmp(cfg->name, name))
+			goto found;
+	}
+	UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+
+found:
 	uci_list_del(&cfg->list);
-	if (cfg->name)
-		free(cfg->name);
-	free(cfg);
+	uci_drop_config(cfg);
+
+	return 0;
+}
+
+static inline char *get_filename(char *path)
+{
+	char *p;
+
+	p = strrchr(path, '/');
+	p++;
+	if (!*p)
+		return NULL;
+	return p;
 }
+
+char **uci_list_configs()
+{
+	char **configs;
+	glob_t globbuf;
+	int size, i;
+	char *buf;
+
+	if (glob(UCI_CONFDIR "/*", GLOB_MARK, NULL, &globbuf) != 0)
+		return NULL;
+
+	size = sizeof(char *) * (globbuf.gl_pathc + 1);
+	for(i = 0; i < globbuf.gl_pathc; i++) {
+		char *p;
+
+		p = get_filename(globbuf.gl_pathv[i]);
+		if (!p)
+			continue;
+
+		size += strlen(p) + 1;
+	}
+
+	configs = malloc(size);
+	if (!configs)
+		return NULL;
+
+	memset(configs, 0, size);
+	buf = (char *) &configs[globbuf.gl_pathc + 1];
+	for(i = 0; i < globbuf.gl_pathc; i++) {
+		char *p;
+
+		p = get_filename(globbuf.gl_pathv[i]);
+		if (!p)
+			continue;
+
+		configs[i] = buf;
+		strcpy(buf, p);
+		buf += strlen(buf) + 1;
+	}
+	return configs;
+}
+