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