#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 tsk_url.c
  * @brief Utility functions to encode/decode urls.
  *
  */
 #include "tsk_url.h"
 #include "tsk_memory.h"
 #include "tsk_string.h"
 
 #include <ctype.h>
 #include <string.h>
 
 /**@defgroup tsk_url_group Utility functions to encode/decode urls.
 */
 
 
 /**@ingroup tsk_url_group
 * Encode an url.
 * @param url The url to encode
 * @retval The encoded url. It is up to you to free the returned string.
 *
 * @sa tsk_url_decode
 *
 */
 char* tsk_url_encode(const char* url) {
 	#if HAVE_CRT //Debug memory
 	char *purl = (char*)url, *buf = (char*)malloc(tsk_strlen(url) * 3 + 1), *pbuf = buf;
 		
 	#else
 	char *purl = (char*)url, *buf = (char*)tsk_malloc(tsk_strlen(url) * 3 + 1), *pbuf = buf;
 		
 	#endif //HAVE_CRT
 	while (*purl) {
 		if (isalnum(*purl) || *purl == '-' || *purl == '_' || *purl == '.' || *purl == '~'){
 			*pbuf++ = *purl;
 		}
 		else if (*purl == ' '){
 			*pbuf++ = '+';
 		}
 		else{
 			*pbuf++ = '%', *pbuf++ = tsk_b10tob16(*purl >> 4), *pbuf++ = tsk_b10tob16(*purl & 15);
 		}
 		purl++;
 	}
 	*pbuf = '\0';
 	return buf;
 }
 
 /**@ingroup tsk_url_group
 * Decode an url.
 * @param url The url to encode
 * @retval The decoded url. It is up to you to free the returned string.
 *
 * @sa tsk_url_encode
 */
 char* tsk_url_decode(const char* url) {
 	#if HAVE_CRT //Debug memory
 		char *purl = (char*)url, *buf = (char*)malloc(tsk_strlen(url) + 1), *pbuf = buf;
 	
 	#else
 		char *purl = (char*)url, *buf = (char*)tsk_malloc(tsk_strlen(url) + 1), *pbuf = buf;
 	
 	#endif //HAVE_CRT
 	while (*purl) {
 		if (*purl == '%') {
 			if (purl[1] && purl[2]) {
 				*pbuf++ = tsk_b16tob10(purl[1]) << 4 | tsk_b16tob10(purl[2]);
 				purl += 2;
 			}
 		}
 		else if (*purl == '+') {
 			*pbuf++ = ' ';
 		}
 		else {
 			*pbuf++ = *purl;
 		}
 		purl++;
 	}
 	*pbuf = '\0';
 	return buf;
 }