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[/] [or1k_old/] [trunk/] [linux/] [uClibc/] [libc/] [inet/] [ntohl.c] - Rev 1782
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/* vi: set sw=4 ts=4: * Functions to convert between host and network byte order. * * Copyright (C) 2003 by Erik Andersen <andersen@uclibc.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Library 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 Library General Public License * for more details. * * You should have received a copy of the GNU Library 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 <stdint.h> #include <endian.h> #include <byteswap.h> #if __BYTE_ORDER == __BIG_ENDIAN extern uint32_t ntohl (uint32_t x) { return x; } extern uint16_t ntohs (uint16_t x) { return x; } extern uint32_t htonl (uint32_t x) { return x; } extern uint16_t htons (uint16_t x) { return x; } #elif __BYTE_ORDER == __LITTLE_ENDIAN extern uint32_t ntohl (uint32_t x) { return __bswap_32(x); } extern uint16_t ntohs (uint16_t x) { return __bswap_16(x); } extern uint32_t htonl (uint32_t x) { return __bswap_32(x); } extern uint16_t htons (uint16_t x) { return __bswap_16(x); } #else #error "You seem to have an unsupported byteorder" #endif