libwebp-0.3.1

third_party/libwebp/utils/bit_reader.h

 // Copyright 2010 Google Inc. All Rights Reserved.
 //
-// This code is licensed under the same terms as WebM:
-//  Software License Agreement:  http://www.webmproject.org/license/software/
-//  Additional IP Rights Grant:  http://www.webmproject.org/license/additional/
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
 // -----------------------------------------------------------------------------
 //
 // Boolean decoder
 //
 // Author: Skal (pascal.massimino@gmail.com)
 //         Vikas Arora (vikaas.arora@gmail.com)
 
 #ifndef WEBP_UTILS_BIT_READER_H_
 #define WEBP_UTILS_BIT_READER_H_
 
@@ skipping 171 matching lines @@
 #endif  // x86
     bits >>= (32 - BITS);
 #elif (BITS == 16)
     // gcc will recognize a 'rorw $8, ...' here:
     bits = (bit_t)(in_bits >> 8) | ((in_bits & 0xff) << 8);
 #else   // BITS == 8
     bits = (bit_t)in_bits;
 #endif
 #else    // BIG_ENDIAN
     bits = (bit_t)in_bits;
+    if (BITS != 8 * sizeof(bit_t)) bits >>= (8 * sizeof(bit_t) - BITS);
 #endif
 #ifndef USE_RIGHT_JUSTIFY
     br->value_ |= bits << (-br->bits_);
 #else
     br->value_ = bits | (br->value_ << (BITS));
 #endif
     br->bits_ += (BITS);
   } else {
     VP8LoadFinalBytes(br);    // no need to be inlined
   }
@@ skipping 112 matching lines @@
 }
 
 // Advances the Read buffer by 4 bytes to make room for reading next 32 bits.
 void VP8LFillBitWindow(VP8LBitReader* const br);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }    // extern "C"
 #endif
 
 #endif  /* WEBP_UTILS_BIT_READER_H_ */