Signed-off-by: Yousong Zhou <yszhou4t...@gmail.com>
---
delta.c | 2 ++
uci.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/delta.c b/delta.c
index 082633b..b56df5b 100644
--- a/delta.c
+++ b/delta.c
@@ -87,6 +87,8 @@ int uci_add_delta_path(struct uci_context *ctx, const char
*dir)
UCI_HANDLE_ERR(ctx);
UCI_ASSERT(ctx, dir != NULL);
+ if (!strcmp(dir, ctx->savedir))
+ return -1;
e = uci_alloc_generic(ctx, UCI_TYPE_PATH, dir, sizeof(struct
uci_element));
uci_list_add(&ctx->delta_path, &e->list);
diff --git a/uci.h b/uci.h
index 36c8890..eb7470c 100644
--- a/uci.h
+++ b/uci.h
@@ -262,6 +262,8 @@ extern int uci_set_confdir(struct uci_context *ctx, const
char *dir);
*
* This function allows you to add directories, which contain 'overlays'
* for the active config, that will never be committed.
+ * Caller of this API should ensure that no duplicate entries (including the
+ * default search path, e.g. `UCI_SAVEDIR') should be added.
*/
extern int uci_add_delta_path(struct uci_context *ctx, const char *dir);
--
1.7.10.4
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