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21401840fa
Just showing how to download the contents of a given URL into a local file. Based on a suggestion and example code by Georg Potthast
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <curl/curl.h>
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static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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size_t written = fwrite(ptr, size, nmemb, (FILE *)stream);
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return written;
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}
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int main(int argc, char *argv[])
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{
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CURL *curl_handle;
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static const char *pagefilename = "page.out";
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FILE *pagefile;
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if(argc < 2 ) {
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printf("Usage: %s <URL>\n", argv[0]);
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return 1;
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}
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curl_global_init(CURL_GLOBAL_ALL);
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/* init the curl session */
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curl_handle = curl_easy_init();
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/* set URL to get here */
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curl_easy_setopt(curl_handle, CURLOPT_URL, argv[1]);
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/* Switch on full protocol/debug output while testing */
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curl_easy_setopt(curl_handle, CURLOPT_VERBOSE, 1L);
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/* disable progress meter, set to 0L to enable and disable debug output */
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curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L);
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/* send all data to this function */
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curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data);
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/* open the file */
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pagefile = fopen(pagefilename, "wb");
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if (pagefile) {
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/* write the page body to this file handle. CURLOPT_FILE is also known as
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CURLOPT_WRITEDATA*/
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curl_easy_setopt(curl_handle, CURLOPT_FILE, pagefile);
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/* get it! */
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curl_easy_perform(curl_handle);
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/* close the header file */
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fclose(pagefile);
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}
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/* cleanup curl stuff */
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curl_easy_cleanup(curl_handle);
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return 0;
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}
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