X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=libuci.c;h=5872ae4220a8fff2810a68aa7e83b9a97a329396;hp=4985a33590bb390b8ddd53ee5233a604a235ec55;hb=cac9b1d765338466c1c77719c4119c565689b4c4;hpb=85125c59e696827c43065676c4fbf1a98953ecac

diff --git a/libuci.c b/libuci.c
index 4985a33..5872ae4 100644
--- a/libuci.c
+++ b/libuci.c
@@ -23,7 +23,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include "uci.h"
-#include "err.h"
 
 static const char *uci_confdir = UCI_CONFDIR;
 static const char *uci_savedir = UCI_SAVEDIR;
@@ -56,10 +55,13 @@ struct uci_context *uci_alloc_context(void)
 	memset(ctx, 0, sizeof(struct uci_context));
 	uci_list_init(&ctx->root);
 	uci_list_init(&ctx->history_path);
-	ctx->flags = UCI_FLAG_STRICT;
+	uci_list_init(&ctx->backends);
+	ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_HISTORY;
 
 	ctx->confdir = (char *) uci_confdir;
 	ctx->savedir = (char *) uci_savedir;
+
+	uci_list_add(&ctx->backends, &uci_file_backend.e.list);
 	ctx->backend = &uci_file_backend;
 
 	return ctx;
@@ -135,7 +137,7 @@ void uci_perror(struct uci_context *ctx, const char *prefix)
 	if (!ctx)
 		err = UCI_ERR_INVAL;
 	else
-		err = ctx->errno;
+		err = ctx->err;
 
 	if ((err < 0) || (err >= UCI_ERR_LAST))
 		err = UCI_ERR_UNKNOWN;
@@ -158,13 +160,24 @@ void uci_perror(struct uci_context *ctx, const char *prefix)
 	}
 }
 
+int uci_list_configs(struct uci_context *ctx, char ***list)
+{
+	UCI_HANDLE_ERR(ctx);
+	UCI_ASSERT(ctx, list != NULL);
+	UCI_ASSERT(ctx, ctx->backend && ctx->backend->list_configs);
+	*list = ctx->backend->list_configs(ctx);
+	return 0;
+}
+
 int uci_commit(struct uci_context *ctx, struct uci_package **package, bool overwrite)
 {
+	struct uci_package *p;
 	UCI_HANDLE_ERR(ctx);
 	UCI_ASSERT(ctx, package != NULL);
-	UCI_ASSERT(ctx, *package != NULL);
-	UCI_ASSERT(ctx, ctx->backend && ctx->backend->commit);
-	ctx->backend->commit(ctx, package, overwrite);
+	p = *package;
+	UCI_ASSERT(ctx, p != NULL);
+	UCI_ASSERT(ctx, p->backend && p->backend->commit);
+	p->backend->commit(ctx, package, overwrite);
 	return 0;
 }
 
@@ -180,4 +193,65 @@ int uci_load(struct uci_context *ctx, const char *name, struct uci_package **pac
 	return 0;
 }
 
+#ifdef UCI_PLUGIN_SUPPORT
+
+__plugin int uci_add_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+	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);
+	return 0;
+}
+
+__plugin int uci_del_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+	struct uci_element *e, *tmp;
+
+	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);
+	}
+
+	uci_list_del(&b->e.list);
+	free(b);
+
+	return 0;
+}
+
+#endif
 
+int uci_set_backend(struct uci_context *ctx, const char *name)
+{
+	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;
+}