// =============================================================================== // May be included multiple times - sets structure packing to 1 // for all supported compilers. #include reverts the changes. // // Currently this works on the following compilers: // MSVC 7,8,9 // GCC // BORLAND (complains about 'pack state changed but not reverted', but works) // Clang // // // USAGE: // // struct StructToBePacked { // } PACK_STRUCT; // // =============================================================================== #ifdef AI_PUSHPACK_IS_DEFINED # error poppack1.h must be included after pushpack1.h #endif #if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__) # pragma pack(push,1) # define PACK_STRUCT #elif defined( __GNUC__ ) || defined(__clang__) # if !defined(HOST_MINGW) # define PACK_STRUCT __attribute__((__packed__)) # else # define PACK_STRUCT __attribute__((gcc_struct, __packed__)) # endif #else # error Compiler not supported #endif #if defined(_MSC_VER) // C4103: Packing was changed after the inclusion of the header, probably missing #pragma pop # pragma warning (disable : 4103) #endif #define AI_PUSHPACK_IS_DEFINED