1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2012, 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 http://curl.haxx.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 ***************************************************************************/ 22#include <stdio.h> 23#include <fcntl.h> 24#include <sys/stat.h> 25#include <unistd.h> 26 27#include <curl/curl.h> 28 29/* 30 * This example shows a HTTP PUT operation. PUTs a file given as a command 31 * line argument to the URL also given on the command line. 32 * 33 * This example also uses its own read callback. 34 * 35 * Here's an article on how to setup a PUT handler for Apache: 36 * http://www.apacheweek.com/features/put 37 */ 38 39static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream) 40{ 41 size_t retcode; 42 curl_off_t nread; 43 44 /* in real-world cases, this would probably get this data differently 45 as this fread() stuff is exactly what the library already would do 46 by default internally */ 47 retcode = fread(ptr, size, nmemb, stream); 48 49 nread = (curl_off_t)retcode; 50 51 fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T 52 " bytes from file\n", nread); 53 54 return retcode; 55} 56 57int main(int argc, char **argv) 58{ 59 CURL *curl; 60 CURLcode res; 61 FILE * hd_src ; 62 int hd ; 63 struct stat file_info; 64 65 char *file; 66 char *url; 67 68 if(argc < 3) 69 return 1; 70 71 file= argv[1]; 72 url = argv[2]; 73 74 /* get the file size of the local file */ 75 hd = open(file, O_RDONLY) ; 76 fstat(hd, &file_info); 77 close(hd) ; 78 79 /* get a FILE * of the same file, could also be made with 80 fdopen() from the previous descriptor, but hey this is just 81 an example! */ 82 hd_src = fopen(file, "rb"); 83 84 /* In windows, this will init the winsock stuff */ 85 curl_global_init(CURL_GLOBAL_ALL); 86 87 /* get a curl handle */ 88 curl = curl_easy_init(); 89 if(curl) { 90 /* we want to use our own read function */ 91 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback); 92 93 /* enable uploading */ 94 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); 95 96 /* HTTP PUT please */ 97 curl_easy_setopt(curl, CURLOPT_PUT, 1L); 98 99 /* specify target URL, and note that this URL should include a file 100 name, not only a directory */ 101 curl_easy_setopt(curl, CURLOPT_URL, url); 102 103 /* now specify which file to upload */ 104 curl_easy_setopt(curl, CURLOPT_READDATA, hd_src); 105 106 /* provide the size of the upload, we specicially typecast the value 107 to curl_off_t since we must be sure to use the correct data size */ 108 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, 109 (curl_off_t)file_info.st_size); 110 111 /* Now run off and do what you've been told! */ 112 res = curl_easy_perform(curl); 113 /* Check for errors */ 114 if(res != CURLE_OK) 115 fprintf(stderr, "curl_easy_perform() failed: %s\n", 116 curl_easy_strerror(res)); 117 118 /* always cleanup */ 119 curl_easy_cleanup(curl); 120 } 121 fclose(hd_src); /* close the local file */ 122 123 curl_global_cleanup(); 124 return 0; 125} 126