From 1d2aca0fc893bd253a66e1b2628f8c8c5925fb41 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 19 Jan 2008 19:58:45 +0100
Subject: [PATCH] more list handling

---
 libuci.h |  1 +
 list.c   | 23 +++++++++++++++++++++--
 parse.c  |  8 ++++++++
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/libuci.h b/libuci.h
index 3427526..aba4359 100644
--- a/libuci.h
+++ b/libuci.h
@@ -89,6 +89,7 @@ struct uci_parse_context
 	int byte;
 
 	/* private: */
+	struct uci_config *cfg;
 	FILE *file;
 	char *buf;
 	int bufsz;
diff --git a/list.c b/list.c
index f681611..5888042 100644
--- a/list.c
+++ b/list.c
@@ -35,8 +35,18 @@ static inline void uci_list_add(struct uci_list *head, struct uci_list *ptr)
 	__uci_list_add(head->prev, head, ptr);
 }
 
+static inline void uci_list_del(struct uci_list *ptr)
+{
+	struct uci_list *next, *prev;
+
+	next = ptr->next;
+	prev = ptr->prev;
+
+	prev->next = next;
+	next->prev = prev;
+}
 
-static struct uci_config *uci_add_file(struct uci_context *ctx, const char *name)
+static struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *name)
 {
 	struct uci_config *cfg;
 
@@ -44,7 +54,16 @@ static struct uci_config *uci_add_file(struct uci_context *ctx, const char *name
 	uci_list_init(&cfg->list);
 	uci_list_init(&cfg->sections);
 	cfg->name = uci_strdup(ctx, name);
-	uci_list_add(&ctx->root, &cfg->list);
+	cfg->ctx = ctx;
 
 	return cfg;
 }
+
+static void uci_drop_file(struct uci_config *cfg)
+{
+	/* TODO: free children */
+	uci_list_del(&cfg->list);
+	if (cfg->name)
+		free(cfg->name);
+	free(cfg);
+}
diff --git a/parse.c b/parse.c
index b154210..f5e6c29 100644
--- a/parse.c
+++ b/parse.c
@@ -72,6 +72,8 @@ static void uci_parse_cleanup(struct uci_context *ctx)
 	if (!pctx)
 		return;
 
+	if (pctx->cfg)
+		uci_drop_file(pctx->cfg);
 	if (pctx->buf)
 		free(pctx->buf);
 	if (pctx->file)
@@ -277,12 +279,18 @@ int uci_parse(struct uci_context *ctx, const char *name)
 	if (!pctx->file)
 		UCI_THROW(ctx, UCI_ERR_NOTFOUND);
 
+	pctx->cfg = uci_alloc_file(ctx, name);
+
 	while (!feof(pctx->file)) {
 		uci_getln(ctx);
 		if (*(pctx->buf))
 			uci_parse_line(ctx);
 	}
 
+	/* add to main config file list */
+	uci_list_add(&ctx->root, &pctx->cfg->list);
+	pctx->cfg = NULL;
+
 	/* if no error happened, we can get rid of the parser context now */
 	uci_parse_cleanup(ctx);
 
-- 
2.25.1