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avcodec/ass_split: Don't presume strlen to be >= 2
Fixes potential heap-buffer-overflow. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -376,7 +376,7 @@ ASSSplitContext *ff_ass_split(const char *buf)
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ASSSplitContext *ctx = av_mallocz(sizeof(*ctx));
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if (!ctx)
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return NULL;
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if (buf && !memcmp(buf, "\xef\xbb\xbf", 3)) // Skip UTF-8 BOM header
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if (buf && !strncmp(buf, "\xef\xbb\xbf", 3)) // Skip UTF-8 BOM header
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buf += 3;
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ctx->current_section = -1;
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if (ass_split(ctx, buf) < 0) {
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