ref: 22a3794c3848186631d5e5bdd61b9eefcb8563ac
dir: /src/i_swap.h/
// // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2005-2014 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // DESCRIPTION: // Endianess handling, swapping 16bit and 32bit. // #ifndef __I_SWAP__ #define __I_SWAP__ #include "SDL_endian.h" // Endianess handling. // WAD files are stored little endian. // Just use SDL's endianness swapping functions. // These are deliberately cast to signed values; this is the behaviour // of the macros in the original source and some code relies on it. #define SHORT(x) ((signed short) SDL_SwapLE16(x)) #define LONG(x) ((signed int) SDL_SwapLE32(x)) // Defines for checking the endianness of the system. #if SDL_BYTEORDER == SDL_BIG_ENDIAN #define SYS_BIG_ENDIAN #endif #endif