/*************************************************************************** * Copyright (C) 2007 by Arep * * Support is provided through the forums at * * http://wii.console-tribe.com * * * * 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. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #include "misc.h" #include /*************************** BYTE SWAPPING MACROS ***************************/ // WORDS_BIGENDIAN is defined by the AC_C_BIGENDIAN autoconf macro, in case. On Windows please (un)define manually. #ifdef WORDS_BIGENDIAN //!< Swapping macros on big endian systems (Where host b. o. = network b. o.) /* This machine's order to big endian */ #define bo_my2big_16(a) ((u_int16_t)(a)) #define bo_my2big_32(a) ((u_int32_t)(a)) /* This machine's order to little endian */ #define bo_my2little_16(a) ( \ ((((u_int16_t) (a)) & 0x00FF) << 8) + \ (((u_int16_t) (a)) >> 8) \ ) #define bo_my2little_32(a) ( \ ((((u_int32_t) (a)) & 0x000000FF) << 24) + \ ((((u_int32_t) (a)) & 0x0000FF00) << 8) + \ ((((u_int32_t) (a)) & 0x00FF0000) >> 8) + \ (((u_int32_t) (a)) >> 24) \ ) #else //!< Swapping macros on little endian systems /* This machine's order to big endian */ #define bo_my2big_16(a) ( \ ((((u_int16_t) (a)) & 0x00FF) << 8) + \ (((u_int16_t) (a)) >> 8) \ ) #define bo_my2big_32(a) ( \ ((((u_int32_t) (a)) & 0x000000FF) << 24) + \ ((((u_int32_t) (a)) & 0x0000FF00) << 8) + \ ((((u_int32_t) (a)) & 0x00FF0000) >> 8) + \ (((u_int32_t) (a)) >> 24) \ ) /* This machine's order to little endian */ #define bo_my2little_16(a) ((u_int16_t)(a)) #define bo_my2little_32(a) ((u_int32_t)(a)) #endif /* These will be handy */ /* Big endian to this machine's order */ #define bo_big2my_16(x) bo_my2big_16(x) #define bo_big2my_32(x) bo_my2big_32(x) /* Little endian to this machine's order */ #define bo_little2my_16(x) bo_my2little_16(x) #define bo_little2my_32(x) bo_my2little_32(x) /* There are the most useful ones */ #define my_htons(x) bo_my2big_16(x) #define my_htonl(x) bo_my2big_32(x) #define my_ntohs(x) my_htons(x) #define my_ntohl(x) my_htonl(x) /************************ END OF BYTE SWAPPING MACROS ***********************/