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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 
     12 #ifndef VP8_COMMON_COMMON_H_
     13 #define VP8_COMMON_COMMON_H_
     14 
     15 #include <assert.h>
     16 
     17 /* Interface header for common constant data structures and lookup tables */
     18 
     19 #include "vpx_mem/vpx_mem.h"
     20 
     21 #ifdef __cplusplus
     22 extern "C" {
     23 #endif
     24 
     25 /* Only need this for fixed-size arrays, for structs just assign. */
     26 
     27 #define vp8_copy( Dest, Src) { \
     28         assert( sizeof( Dest) == sizeof( Src)); \
     29         memcpy( Dest, Src, sizeof( Src)); \
     30     }
     31 
     32 /* Use this for variably-sized arrays. */
     33 
     34 #define vp8_copy_array( Dest, Src, N) { \
     35         assert( sizeof( *Dest) == sizeof( *Src)); \
     36         memcpy( Dest, Src, N * sizeof( *Src)); \
     37     }
     38 
     39 #define vp8_zero( Dest)  memset( &Dest, 0, sizeof( Dest));
     40 
     41 #define vp8_zero_array( Dest, N)  memset( Dest, 0, N * sizeof( *Dest));
     42 
     43 
     44 #ifdef __cplusplus
     45 }  // extern "C"
     46 #endif
     47 
     48 #endif  // VP8_COMMON_COMMON_H_
     49