common.h 1.23 KB
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/*
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 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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 *
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 *  Use of this source code is governed by a BSD-style license
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 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
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 *  in the file PATENTS.  All contributing project authors may
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 *  be found in the AUTHORS file in the root of the source tree.
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 */


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#ifndef VP8_COMMON_COMMON_H_
#define VP8_COMMON_COMMON_H_
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#include <assert.h>

/* Interface header for common constant data structures and lookup tables */

#include "vpx_mem/vpx_mem.h"

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#ifdef __cplusplus
extern "C" {
#endif

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/* Only need this for fixed-size arrays, for structs just assign. */

#define vp8_copy( Dest, Src) { \
        assert( sizeof( Dest) == sizeof( Src)); \
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        memcpy( Dest, Src, sizeof( Src)); \
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    }

/* Use this for variably-sized arrays. */

#define vp8_copy_array( Dest, Src, N) { \
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        assert( sizeof( *(Dest)) == sizeof( *(Src))); \
        memcpy( Dest, Src, N * sizeof( *(Src))); \
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    }

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#define vp8_zero( Dest)  memset( &(Dest), 0, sizeof( Dest));
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#define vp8_zero_array( Dest, N)  memset( Dest, 0, N * sizeof( *(Dest)));
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#ifdef __cplusplus
}  // extern "C"
#endif

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#endif  // VP8_COMMON_COMMON_H_