AVOptions: don't segfault on NULL parameter in av_set_options_string()

14 years ago · 85afbb1d00
parent ab2940691b
commit 85afbb1d00
1 changed files with 3 additions and 0 deletions
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@ -696,6 +696,9 @@ int av_set_options_string(void *ctx, const char *opts,
 {
    int ret, count = 0;

+    if (!opts)
+        return 0;
+
    while (*opts) {
        if ((ret = parse_key_value_pair(ctx, &opts, key_val_sep, pairs_sep)) < 0)
            return ret;