* This program 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 General Public License for more details.
+ * GNU Lesser General Public License for more details.
*/
/*
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <dlfcn.h>
+#include <glob.h>
#include "uci.h"
-static const char *uci_confdir = UCI_CONFDIR;
-static const char *uci_savedir = UCI_SAVEDIR;
-
static const char *uci_errstr[] = {
[UCI_OK] = "Success",
[UCI_ERR_MEM] = "Out of memory",
[UCI_ERR_UNKNOWN] = "Unknown error",
};
-static void uci_cleanup(struct uci_context *ctx);
-
#include "uci_internal.h"
-#include "util.c"
#include "list.c"
-#include "history.c"
-#include "file.c"
+
+__private const char *uci_confdir = UCI_CONFDIR;
+__private const char *uci_savedir = UCI_SAVEDIR;
/* exported functions */
struct uci_context *uci_alloc_context(void)
struct uci_context *ctx;
ctx = (struct uci_context *) malloc(sizeof(struct uci_context));
+ if (!ctx)
+ return NULL;
+
memset(ctx, 0, sizeof(struct uci_context));
uci_list_init(&ctx->root);
- uci_list_init(&ctx->history_path);
+ uci_list_init(&ctx->delta_path);
uci_list_init(&ctx->backends);
- ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_HISTORY;
+ uci_list_init(&ctx->hooks);
+ ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_DELTA;
ctx->confdir = (char *) uci_confdir;
ctx->savedir = (char *) uci_savedir;
struct uci_package *p = uci_to_package(e);
uci_free_package(&p);
}
- uci_foreach_element_safe(&ctx->history_path, tmp, e) {
+ uci_foreach_element_safe(&ctx->delta_path, tmp, e) {
uci_free_element(e);
}
UCI_TRAP_RESTORE(ctx);
return 0;
}
-static void uci_cleanup(struct uci_context *ctx)
+__private void uci_cleanup(struct uci_context *ctx)
{
struct uci_parse_context *pctx;
default:
break;
}
- if (dest)
- asprintf(dest, format,
+ if (dest) {
+ err = asprintf(dest, format,
(prefix ? prefix : ""), (prefix ? ": " : ""),
- (ctx->func ? ctx->func : ""), (ctx->func ? ": " : ""),
+ (ctx && ctx->func ? ctx->func : ""), (ctx && ctx->func ? ": " : ""),
uci_errstr[err],
error_info);
- else {
+ if (err < 0)
+ *dest = NULL;
+ } else {
strcat(error_info, "\n");
fprintf(stderr, format,
(prefix ? prefix : ""), (prefix ? ": " : ""),
- (ctx->func ? ctx->func : ""), (ctx->func ? ": " : ""),
+ (ctx && ctx->func ? ctx->func : ""), (ctx && ctx->func ? ": " : ""),
uci_errstr[err],
error_info);
}
int uci_load(struct uci_context *ctx, const char *name, struct uci_package **package)
{
struct uci_package *p;
+ struct uci_element *e;
+
UCI_HANDLE_ERR(ctx);
UCI_ASSERT(ctx, ctx->backend && ctx->backend->load);
p = ctx->backend->load(ctx, name);
+ uci_foreach_element(&ctx->hooks, e) {
+ struct uci_hook *h = uci_to_hook(e);
+ if (h->ops->load)
+ h->ops->load(h->ops, p);
+ }
if (package)
*package = p;
return 0;
}
-#ifdef UCI_PLUGIN_SUPPORT
-
-__plugin int uci_add_backend(struct uci_context *ctx, struct uci_backend *b)
+int uci_set_backend(struct uci_context *ctx, const char *name)
{
struct uci_element *e;
- UCI_HANDLE_ERR(ctx);
-
- e = uci_lookup_list(&ctx->backends, b->e.name);
- if (e)
- UCI_THROW(ctx, UCI_ERR_DUPLICATE);
-
- e = uci_malloc(ctx, sizeof(struct uci_backend));
- memcpy(e, b, sizeof(struct uci_backend));
- uci_list_add(&ctx->backends, &e->list);
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, name != NULL);
+ e = uci_lookup_list(&ctx->backends, name);
+ if (!e)
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ ctx->backend = uci_to_backend(e);
return 0;
}
-__plugin int uci_del_backend(struct uci_context *ctx, struct uci_backend *b)
+int uci_add_hook(struct uci_context *ctx, const struct uci_hook_ops *ops)
{
- struct uci_element *e, *tmp;
+ struct uci_element *e;
+ struct uci_hook *h;
UCI_HANDLE_ERR(ctx);
- e = uci_lookup_list(&ctx->backends, b->e.name);
- if (!e || uci_to_backend(e)->ptr != b->ptr)
- UCI_THROW(ctx, UCI_ERR_NOTFOUND);
- b = uci_to_backend(e);
-
- if (ctx->backend && ctx->backend->ptr == b->ptr)
- ctx->backend = &uci_file_backend;
-
- uci_foreach_element_safe(&ctx->root, tmp, e) {
- struct uci_package *p = uci_to_package(e);
-
- if (!p->backend)
- continue;
-
- if (p->backend->ptr == b->ptr)
- UCI_INTERNAL(uci_unload, ctx, p);
+ /* check for duplicate elements */
+ uci_foreach_element(&ctx->hooks, e) {
+ h = uci_to_hook(e);
+ if (h->ops == ops)
+ return UCI_ERR_INVAL;
}
- uci_list_del(&b->e.list);
- free(b);
+ h = uci_alloc_element(ctx, hook, "", 0);
+ h->ops = ops;
+ uci_list_init(&h->e.list);
+ uci_list_add(&ctx->hooks, &h->e.list);
return 0;
}
-#endif
-
-int uci_set_backend(struct uci_context *ctx, const char *name)
+int uci_remove_hook(struct uci_context *ctx, const struct uci_hook_ops *ops)
{
struct uci_element *e;
- UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, name != NULL);
- e = uci_lookup_list(&ctx->backends, name);
- if (!e)
- UCI_THROW(ctx, UCI_ERR_NOTFOUND);
- ctx->backend = uci_to_backend(e);
- return 0;
+ uci_foreach_element(&ctx->hooks, e) {
+ struct uci_hook *h = uci_to_hook(e);
+ if (h->ops == ops) {
+ uci_list_del(&e->list);
+ uci_free_element(e);
+ return 0;
+ }
+ }
+ return UCI_ERR_NOTFOUND;
}