CVE-2017-14160: fix bounds check on very low sample rates.

[platform/upstream/libvorbis.git] / lib / mdct.h

diff --git a/lib/mdct.h b/lib/mdct.h
index 6588768..3b8c9ba 100644 (file)
--- a/lib/mdct.h
+++ b/lib/mdct.h
@@ -1,17 +1,16 @@
 /********************************************************************
  *                                                                  *
  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU LESSER/LIBRARY PUBLIC LICENSE, WHICH IS INCLUDED WITH    *
- * THIS SOURCE. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.        *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001             *
- * by the XIPHOPHORUS Company http://www.xiph.org/                  *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: modified discrete cosine transform prototypes
- last mod: $Id: mdct.h,v 1.17 2001/02/02 03:51:57 xiphmont Exp $
 
  ********************************************************************/
 
@@ -20,6 +19,10 @@
 
 #include "vorbis/codec.h"
 
+
+
+
+
 /*#define MDCT_INTEGERIZED  <- be warned there could be some hurt left here*/
 #ifdef MDCT_INTEGERIZED
 
@@ -52,7 +55,7 @@
 typedef struct {
   int n;
   int log2n;
-  
+
   DATA_TYPE *trig;
   int       *bitrev;
 
@@ -65,15 +68,3 @@ extern void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
 extern void mdct_backward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
 
 #endif
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