decoder/_ogg_common: fix buffer size check

Fixes potential access to uninitialised memory.

decoder/_ogg_common: fix buffer size check
41487426 · Max Kellermann · 0d24250a · 41487426
Commit 41487426 authored Sep 04, 2012 by Max Kellermann
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_ogg_common.c src/decoder/_ogg_common.c +1 -1

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--- a/src/decoder/_ogg_common.c
+++ b/src/decoder/_ogg_common.c
@@ -33,7 +33,7 @@ ogg_stream_type ogg_stream_type_detect(struct input_stream *inStream)
 	size_t r;

 	r = decoder_read(NULL, inStream, buf, sizeof(buf));
-	if (r < 32 || memcmp(buf, "OggS", 4) != 0)
+	if (r < sizeof(buf) || memcmp(buf, "OggS", 4) != 0)
 		return VORBIS;

 	if ((memcmp(buf + 29, "FLAC", 4) == 0 &&