implement config unload

diff --git a/cli.c b/cli.c
index d83e257..7dece62 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -28,6 +28,12 @@ static void uci_usage(int argc, char **argv)
        exit(255);
 }
 
+static void uci_show_file(const char *name)
+{
+       uci_load(ctx, name);
+       uci_unload(ctx, name);
+}
+
 static int uci_show(int argc, char **argv)
 {
        char **configs = uci_list_configs(ctx);
@@ -38,6 +44,7 @@ static int uci_show(int argc, char **argv)
 
        for (p = configs; *p; p++) {
                fprintf(stderr, "# config: %s\n", *p);
+               uci_show_file(*p);
        }
 
        return 0;

diff --git a/libuci.c b/libuci.c
index 1902673..ada75c0 100644 (file)
--- a/libuci.c
+++ b/libuci.c
@@ -100,7 +100,7 @@ void uci_free(struct uci_context *ctx)
 
        uci_cleanup(ctx);
        uci_foreach_entry(config, &ctx->root, cfg) {
-               uci_drop_file(cfg);
+               uci_drop_config(cfg);
        }
        free(ctx);
        return;

diff --git a/list.c b/list.c
index f4ab8ec..8d73f11 100644 (file)
--- a/list.c
+++ b/list.c
@@ -121,7 +121,7 @@ error:
        return NULL;
 }
 
-static void uci_drop_file(struct uci_config *cfg)
+static void uci_drop_config(struct uci_config *cfg)
 {
        struct uci_section *s;
 
@@ -139,7 +139,7 @@ static void uci_drop_file(struct uci_config *cfg)
 }
 
 
-static struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *name)
+static struct uci_config *uci_alloc_config(struct uci_context *ctx, const char *name)
 {
        struct uci_config *cfg = NULL;
 
@@ -153,11 +153,31 @@ static struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *na
        return cfg;
 
 error:
-       uci_drop_file(cfg);
+       uci_drop_config(cfg);
        UCI_THROW(ctx, ctx->errno);
        return NULL;
 }
 
+int uci_unload(struct uci_context *ctx, const char *name)
+{
+       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);
+       uci_drop_config(cfg);
+
+       return 0;
+}
+
 char **uci_list_configs(struct uci_context *ctx)
 {
        char **configs;

diff --git a/parse.c b/parse.c
index 5158028..4394bf6 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -80,7 +80,7 @@ static void uci_parse_cleanup(struct uci_context *ctx)
        ctx->pctx = NULL;
        if (pctx->cfg) {
                uci_list_del(&pctx->cfg->list);
-               uci_drop_file(pctx->cfg);
+               uci_drop_config(pctx->cfg);
        }
        if (pctx->buf)
                free(pctx->buf);
@@ -314,6 +314,11 @@ int uci_load(struct uci_context *ctx, const char *name)
        UCI_HANDLE_ERR(ctx);
        UCI_ASSERT(ctx, name != NULL);
 
+       UCI_TRAP_SAVE(ctx, ignore);
+       uci_unload(ctx, name);
+       UCI_TRAP_RESTORE(ctx);
+
+ignore:
        /* make sure no memory from previous parse attempts is leaked */
        uci_parse_cleanup(ctx);
 
@@ -345,7 +350,7 @@ int uci_load(struct uci_context *ctx, const char *name)
        if (!pctx->file)
                UCI_THROW(ctx, UCI_ERR_IO);
 
-       pctx->cfg = uci_alloc_file(ctx, name);
+       pctx->cfg = uci_alloc_config(ctx, name);
 
        while (!feof(pctx->file)) {
                uci_getln(ctx);

diff --git a/uci.h b/uci.h
index 26cc3b7..8784c43 100644 (file)
--- a/uci.h
+++ b/uci.h
@@ -70,6 +70,14 @@ extern void uci_perror(struct uci_context *ctx, const char *str);
 extern int uci_load(struct uci_context *ctx, const char *name);
 
 /**
+ * uci_unload: Unload a config file from the uci context
+ *
+ * @ctx: uci context
+ * @name: name of the config file
+ */
+extern int uci_unload(struct uci_context *ctx, const char *name);
+
+/**
  * uci_cleanup: Clean up after an error
  *
  * @ctx: uci context