#if HAVE_CRT #define _CRTDBG_MAP_ALLOC #include <stdlib.h> #include <crtdbg.h> #endif //HAVE_CRT /* * Copyright (C) 2017, University of the Basque Country (UPV/EHU) * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com> * * The original file was part of Open Source Doubango Framework * Copyright (C) 2010-2011 Mamadou Diop. * Copyright (C) 2012 Doubango Telecom <http://doubango.org> * * This file is part of Open Source Doubango Framework. * * DOUBANGO 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 3 of the License, or * (at your option) any later version. * * DOUBANGO 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 DOUBANGO. * */ /**@file tnet_endianness.c * @brief Byte Ordering. * * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> * */ #include "tnet_endianness.h" #include "tnet.h" extern tsk_bool_t tnet_isBigEndian; /** Converts a 16-bit value from host to TCP/IP network byte order (big-endian). * @param x The 16-bit (in host byte order) value to convert. * @retval @a x in TCP/IP network byte order. */ unsigned short tnet_htons(unsigned short x) { if(tnet_is_BE()){ return x; } else{ return ((((uint16_t)(x) & 0xff00) >> 8) | (((uint16_t)(x) & 0x00ff) << 8)); } } /* Memory alignment hack */ unsigned short tnet_htons_2(const void* px) { unsigned short y = TSK_TO_UINT16((const uint8_t*)px); return tnet_htons(y); } /** Converts a 32-bit value from host to TCP/IP network byte order (big-endian). * @param x The 32-bit (in host byte order) value to convert. * @retval @a x in TCP/IP network byte order. */ unsigned long tnet_htonl(unsigned long x) { if(tnet_is_BE()){ return x; } else{ return ((((uint32_t)(x) & 0xff000000) >> 24) | \ (((uint32_t)(x) & 0x00ff0000) >> 8) | \ (((uint32_t)(x) & 0x0000ff00) << 8) | \ (((uint32_t)(x) & 0x000000ff) << 24)); } } /* Memory alignment hack */ unsigned long tnet_htonl_2(const void* px) { unsigned long y = TSK_TO_UINT32((const uint8_t*)px); return tnet_htonl(y); } /** Indicates whether we are on a Big Endian host or not.<br> * <b>IMPORTANT</b>: Before calling this function, you should initialize the network stack by using * @ref tnet_startup(). * @retval @a tsk_true if the program is runnin on a Big Endian host and @a tsk_false otherwise. */ tsk_bool_t tnet_is_BE(){ /* If LITTLE_ENDIAN or BIG_ENDIAN macros have been defined in config.h ==> use them * otherwise ==> dyn retrieve the endianness */ #if LITTLE_ENDIAN return tsk_false; #elif BIG_ENDIAN return tsk_true; #else return tnet_isBigEndian; #endif }