X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=history.c;h=73c1bf06ffaf845018009523dfc26303b11a5df3;hp=089bcef67d75ee6a287537e1e01b2550fdc3cf18;hb=f1ae2ddc4ff16e541c46f595073bf277cd8f778a;hpb=85125c59e696827c43065676c4fbf1a98953ecac

diff --git a/history.c b/history.c
index 089bcef..73c1bf0 100644
--- a/history.c
+++ b/history.c
@@ -27,7 +27,7 @@
 #include <ctype.h>
 
 /* record a change that was done to a package */
-static void
+void
 uci_add_history(struct uci_context *ctx, struct uci_list *list, int cmd, char *section, char *option, char *value)
 {
 	struct uci_history *h;
@@ -48,7 +48,7 @@ uci_add_history(struct uci_context *ctx, struct uci_list *list, int cmd, char *s
 	uci_list_add(list, &h->e.list);
 }
 
-static void
+void
 uci_free_history(struct uci_history *h)
 {
 	if (!h)
@@ -217,7 +217,7 @@ static int uci_load_history(struct uci_context *ctx, struct uci_package *p, bool
 	FILE *f = NULL;
 	int changes = 0;
 
-	if (!p->confdir)
+	if (!p->has_history)
 		return 0;
 
 	uci_foreach_element(&ctx->history_path, e) {
@@ -239,11 +239,11 @@ static int uci_load_history(struct uci_context *ctx, struct uci_package *p, bool
 	if (filename)
 		free(filename);
 	uci_close_stream(f);
-	ctx->errno = 0;
+	ctx->err = 0;
 	return changes;
 }
 
-static void uci_filter_history(struct uci_context *ctx, const char *name, char *section, char *option)
+static void uci_filter_history(struct uci_context *ctx, const char *name, const char *section, const char *option)
 {
 	struct uci_parse_context *pctx;
 	struct uci_element *e, *tmp;
@@ -312,7 +312,7 @@ done:
 	uci_cleanup(ctx);
 }
 
-int uci_revert(struct uci_context *ctx, struct uci_package **pkg, char *section, char *option)
+int uci_revert(struct uci_context *ctx, struct uci_package **pkg, const char *section, const char *option)
 {
 	struct uci_package *p;
 	char *name = NULL;
@@ -321,7 +321,7 @@ int uci_revert(struct uci_context *ctx, struct uci_package **pkg, char *section,
 	UCI_ASSERT(ctx, pkg != NULL);
 	p = *pkg;
 	UCI_ASSERT(ctx, p != NULL);
-	UCI_ASSERT(ctx, p->confdir);
+	UCI_ASSERT(ctx, p->has_history);
 
 	/* 
 	 * - flush unwritten changes
@@ -340,13 +340,13 @@ int uci_revert(struct uci_context *ctx, struct uci_package **pkg, char *section,
 
 	UCI_INTERNAL(uci_load, ctx, name, &p);
 	UCI_TRAP_RESTORE(ctx);
-	ctx->errno = 0;
+	ctx->err = 0;
 
 error:
 	if (name)
 		free(name);
-	if (ctx->errno)
-		UCI_THROW(ctx, ctx->errno);
+	if (ctx->err)
+		UCI_THROW(ctx, ctx->err);
 	return 0;
 }
 
@@ -355,6 +355,7 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
 	FILE *f = NULL;
 	char *filename = NULL;
 	struct uci_element *e, *tmp;
+	struct stat statbuf;
 
 	UCI_HANDLE_ERR(ctx);
 	UCI_ASSERT(ctx, p != NULL);
@@ -365,16 +366,21 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
 	 * directly.
 	 * does not modify the uci_package pointer
 	 */
-	if (!p->confdir)
+	if (!p->has_history)
 		return uci_commit(ctx, &p, false);
 
 	if (uci_list_empty(&p->history))
 		return 0;
 
+	if (stat(ctx->savedir, &statbuf) < 0)
+		mkdir(ctx->savedir, UCI_DIRMODE);
+	else if ((statbuf.st_mode & S_IFMT) != S_IFDIR)
+		UCI_THROW(ctx, UCI_ERR_IO);
+
 	if ((asprintf(&filename, "%s/%s", ctx->savedir, p->e.name) < 0) || !filename)
 		UCI_THROW(ctx, UCI_ERR_MEM);
 
-	ctx->errno = 0;
+	ctx->err = 0;
 	UCI_TRAP_SAVE(ctx, done);
 	f = uci_open_stream(ctx, filename, SEEK_END, true, true);
 	UCI_TRAP_RESTORE(ctx);
@@ -411,8 +417,8 @@ done:
 	uci_close_stream(f);
 	if (filename)
 		free(filename);
-	if (ctx->errno)
-		UCI_THROW(ctx, ctx->errno);
+	if (ctx->err)
+		UCI_THROW(ctx, ctx->err);
 
 	return 0;
 }