ffprobe: fix crash in case -of is specified with an empty string

Fix trac issue #5957.
2016-11-17 12:11:13 +01:00
parent 709c87109d
commit 427a47abcd
1 changed files with 6 additions and 0 deletions
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -3311,6 +3311,12 @@ int main(int argc, char **argv)
        goto end;
    }
    w_name = av_strtok(print_format, "=", &buf);
+    if (!w_name) {
+        av_log(NULL, AV_LOG_ERROR,
+               "No name specified for the output format\n");
+        ret = AVERROR(EINVAL);
+        goto end;
+    }
    w_args = buf;

    if (show_data_hash) {