/usr/include/assimp/Compiler/pushpack1.h is in libassimp-dev 4.1.0~dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | // ===============================================================================
// May be included multiple times - sets structure packing to 1
// for all supported compilers. #include <poppack1.h> 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__ )
# 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
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