File indexing completed on 2024-04-14 03:43:28
0001 /* 0002 SPDX-FileCopyrightText: 2009 Akarsh Simha <akarsh.simha@kdemail.net> 0003 0004 SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 /* 0008 NOTE: This file was written from scratch using several headers written 0009 by others as reference. Of particular mention is LICQ's 0010 licq_bytorder.h and Oskar Liljeblad's byteswap.h licensed under the 0011 GPL. 0012 */ 0013 0014 #ifndef BYTEORDER_H_ 0015 #define BYTEORDER_H_ 0016 0017 // Check if we have standard byteswap headers 0018 0019 #ifdef HAVE_BYTESWAP_H 0020 #include <byteswap.h> 0021 0022 #elif defined HAVE_MACHINE_ENDIAN_H 0023 #include <machine/endian.h> 0024 #define bswap_16(x) swap16(x) 0025 #define bswap_32(x) swap32(x) 0026 0027 #elif defined HAVE_SYS_BYTEORDER_H 0028 #include <sys/byteorder.h> 0029 #define bswap_16(x) BSWAP_16(x) 0030 #define bswap_32(x) BSWAP_32(x) 0031 #endif 0032 0033 // If no standard headers are found, we define our own byteswap macros 0034 0035 #ifndef bswap_16 0036 #define bswap_16(x) ((((x)&0x00FF) << 8) | (((x)&0xFF00) >> 8)) 0037 #endif 0038 0039 #ifndef bswap_32 0040 0041 #define bswap_32(x) \ 0042 ((((x)&0x000000FF) << 24) | (((x)&0x0000FF00) << 8) | (((x)&0x00FF0000) >> 8) | (((x)&0xFF000000) >> 24)) 0043 #endif 0044 0045 #endif