70 lines
2.1 KiB
C++
Executable file
70 lines
2.1 KiB
C++
Executable file
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2011 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include "basiccurl.h"
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CURL_LOAD_DATA* grab_http_response(const char* url)
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{
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CURL_LOAD_DATA* data;
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CURL* curl = curl_easy_init();
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if(curl)
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{
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data = do_grab(curl, url);
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curl_easy_cleanup(curl);
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return data;
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}
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return NULL;
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}
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CURL_LOAD_DATA* do_grab(CURL* curl,const char* url)
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{
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CURLcode res;
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CURL_LOAD_DATA* data = (CURL_LOAD_DATA*)malloc(sizeof(CURL_LOAD_DATA));
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data->data = NULL;
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data->nbytes = 0;
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, response_callback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, data);
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res = curl_easy_perform(curl);
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return data;
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}
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size_t response_callback(void* ptr, size_t size, size_t nmemb, void* d)
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{
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size_t rsize = size * nmemb;
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CURL_LOAD_DATA* data = (CURL_LOAD_DATA*)d;
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// fprintf(stderr,"rsize is %d\n", rsize);
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data->data = (char*)realloc(data->data, (data->nbytes + rsize) * sizeof(char));
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memcpy(&(data->data[data->nbytes]), ptr, rsize);
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data->nbytes += rsize;
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// fprintf(stderr,"data->nbytes is %d\n", data->nbytes);
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return rsize;
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}
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