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

85afbb1d · Anton Khirnov · ab294069 · 85afbb1d
Commit 85afbb1d authored Oct 01, 2011 by Anton Khirnov
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opt.c libavutil/opt.c +3 -0

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--- 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;