Return to httpput.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / curl / docs / examples

Annotation of embedaddon/curl/docs/examples/httpput.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2017, 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.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: /* <DESC>
        !            23:  * HTTP PUT with easy interface and read callback
        !            24:  * </DESC>
        !            25:  */
        !            26: #include <stdio.h>
        !            27: #include <fcntl.h>
        !            28: #include <sys/stat.h>
        !            29: #include <curl/curl.h>
        !            30: 
        !            31: /*
        !            32:  * This example shows a HTTP PUT operation. PUTs a file given as a command
        !            33:  * line argument to the URL also given on the command line.
        !            34:  *
        !            35:  * This example also uses its own read callback.
        !            36:  *
        !            37:  * Here's an article on how to setup a PUT handler for Apache:
        !            38:  * http://www.apacheweek.com/features/put
        !            39:  */
        !            40: 
        !            41: static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
        !            42: {
        !            43:   size_t retcode;
        !            44:   curl_off_t nread;
        !            45: 
        !            46:   /* in real-world cases, this would probably get this data differently
        !            47:      as this fread() stuff is exactly what the library already would do
        !            48:      by default internally */
        !            49:   retcode = fread(ptr, size, nmemb, stream);
        !            50: 
        !            51:   nread = (curl_off_t)retcode;
        !            52: 
        !            53:   fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T
        !            54:           " bytes from file\n", nread);
        !            55: 
        !            56:   return retcode;
        !            57: }
        !            58: 
        !            59: int main(int argc, char **argv)
        !            60: {
        !            61:   CURL *curl;
        !            62:   CURLcode res;
        !            63:   FILE * hd_src;
        !            64:   struct stat file_info;
        !            65: 
        !            66:   char *file;
        !            67:   char *url;
        !            68: 
        !            69:   if(argc < 3)
        !            70:     return 1;
        !            71: 
        !            72:   file = argv[1];
        !            73:   url = argv[2];
        !            74: 
        !            75:   /* get the file size of the local file */
        !            76:   stat(file, &file_info);
        !            77: 
        !            78:   /* get a FILE * of the same file, could also be made with
        !            79:      fdopen() from the previous descriptor, but hey this is just
        !            80:      an example! */
        !            81:   hd_src = fopen(file, "rb");
        !            82: 
        !            83:   /* In windows, this will init the winsock stuff */
        !            84:   curl_global_init(CURL_GLOBAL_ALL);
        !            85: 
        !            86:   /* get a curl handle */
        !            87:   curl = curl_easy_init();
        !            88:   if(curl) {
        !            89:     /* we want to use our own read function */
        !            90:     curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
        !            91: 
        !            92:     /* enable uploading */
        !            93:     curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
        !            94: 
        !            95:     /* HTTP PUT please */
        !            96:     curl_easy_setopt(curl, CURLOPT_PUT, 1L);
        !            97: 
        !            98:     /* specify target URL, and note that this URL should include a file
        !            99:        name, not only a directory */
        !           100:     curl_easy_setopt(curl, CURLOPT_URL, url);
        !           101: 
        !           102:     /* now specify which file to upload */
        !           103:     curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
        !           104: 
        !           105:     /* provide the size of the upload, we specicially typecast the value
        !           106:        to curl_off_t since we must be sure to use the correct data size */
        !           107:     curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
        !           108:                      (curl_off_t)file_info.st_size);
        !           109: 
        !           110:     /* Now run off and do what you've been told! */
        !           111:     res = curl_easy_perform(curl);
        !           112:     /* Check for errors */
        !           113:     if(res != CURLE_OK)
        !           114:       fprintf(stderr, "curl_easy_perform() failed: %s\n",
        !           115:               curl_easy_strerror(res));
        !           116: 
        !           117:     /* always cleanup */
        !           118:     curl_easy_cleanup(curl);
        !           119:   }
        !           120:   fclose(hd_src); /* close the local file */
        !           121: 
        !           122:   curl_global_cleanup();
        !           123:   return 0;
        !           124: }