1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at https://curl.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24/* <DESC> 25 * Download a given URL into a local file named page.out. 26 * </DESC> 27 */ 28#include <stdio.h> 29#include <stdlib.h> 30#include <unistd.h> 31 32#include <curl/curl.h> 33 34static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream) 35{ 36 size_t written = fwrite(ptr, size, nmemb, (FILE *)stream); 37 return written; 38} 39 40int main(int argc, char *argv[]) 41{ 42 CURL *curl_handle; 43 static const char *pagefilename = "page.out"; 44 FILE *pagefile; 45 46 if(argc < 2) { 47 printf("Usage: %s <URL>\n", argv[0]); 48 return 1; 49 } 50 51 curl_global_init(CURL_GLOBAL_ALL); 52 53 /* init the curl session */ 54 curl_handle = curl_easy_init(); 55 56 /* set URL to get here */ 57 curl_easy_setopt(curl_handle, CURLOPT_URL, argv[1]); 58 59 /* Switch on full protocol/debug output while testing */ 60 curl_easy_setopt(curl_handle, CURLOPT_VERBOSE, 1L); 61 62 /* disable progress meter, set to 0L to enable it */ 63 curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L); 64 65 /* send all data to this function */ 66 curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data); 67 68 /* open the file */ 69 pagefile = fopen(pagefilename, "wb"); 70 if(pagefile) { 71 72 /* write the page body to this file handle */ 73 curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, pagefile); 74 75 /* get it! */ 76 curl_easy_perform(curl_handle); 77 78 /* close the header file */ 79 fclose(pagefile); 80 } 81 82 /* cleanup curl stuff */ 83 curl_easy_cleanup(curl_handle); 84 85 curl_global_cleanup(); 86 87 return 0; 88} 89