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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file defines Packing macros for the packing of structures.
#ifndef O3D_UTILS_CROSS_PACKING_H_
#define O3D_UTILS_CROSS_PACKING_H_
#if defined(COMPILER_GCC)
// NOTE: I tried building the string as in
// #define O3D_SET_STRUCTURE_PACKING(p) _Pragma("pack(" #p ")")
// but gcc doesn't like that. :-(
#define O3D_SET_STRUCTURE_PACKING_1 _Pragma("pack(1)")
#define O3D_SET_STRUCTURE_PACKING_2 _Pragma("pack(2)")
#define O3D_SET_STRUCTURE_PACKING_4 _Pragma("pack(4)")
#define O3D_PUSH_STRUCTURE_PACKING_1 _Pragma("pack(push, 1)")
#define O3D_PUSH_STRUCTURE_PACKING_2 _Pragma("pack(push, 2)")
#define O3D_PUSH_STRUCTURE_PACKING_4 _Pragma("pack(push, 4)")
#define O3D_POP_STRUCTURE_PACKING _Pragma("pack(pop)")
#elif defined(COMPILER_MSVC)
#define O3D_SET_STRUCTURE_PACKING_1 __pragma(pack(1))
#define O3D_SET_STRUCTURE_PACKING_2 __pragma(pack(2))
#define O3D_SET_STRUCTURE_PACKING_4 __pragma(pack(4))
#define O3D_PUSH_STRUCTURE_PACKING_1 __pragma(pack(push, 1))
#define O3D_PUSH_STRUCTURE_PACKING_2 __pragma(pack(push, 2))
#define O3D_PUSH_STRUCTURE_PACKING_4 __pragma(pack(push, 4))
#define O3D_POP_STRUCTURE_PACKING __pragma(pack(pop))
#else
#error Need Packing Macros
#endif
#endif // O3D_UTILS_CROSS_PACKING_H_
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