[FFmpeg-devel] [PATCH] avformat/dashdec: check NULL pointer of av_strtok

[Steven Liu]

fix CID: 1637073
there maybe have NULL pointer return by av_strtok, and should be checked before
strtoll it.

Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
---
 libavformat/dashdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 8107280444..043cd52232 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -589,6 +589,8 @@ static struct fragment *get_fragment(char *range)
     if (range) {
         char *str_end_offset;
         char *str_offset = av_strtok(range, "-", &str_end_offset);
+        if (!str_offset)
+            return NULL;
         seg->url_offset = strtoll(str_offset, NULL, 10);
         seg->size = strtoll(str_end_offset, NULL, 10) - seg->url_offset + 1;
     }
-- 
2.39.3 (Apple Git-146)