if the length of the root url is 0, unnecessary process the root_url
Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
---
libavformat/dashdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index c5a5ff607b..387d97fe42 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -776,7 +776,7 @@ static int resolve_content_path(AVFormatContext *s, const
char *url, int *max_ur
size = strlen(root_url);
isRootHttp = ishttp(root_url);
- if (root_url[size - 1] != token) {
+ if (size > 0 && root_url[size - 1] != token) {
av_strlcat(root_url, "/", size + 2);
size += 2;
}
--
2.25.0
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