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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) 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 #include "test.h"
     23 
     24 #include "memdebug.h"
     25 
     26 static char data[]="this is what we post to the silly web server\n";
     27 
     28 struct WriteThis {
     29   char *readptr;
     30   size_t sizeleft;
     31 };
     32 
     33 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     34 {
     35   struct WriteThis *pooh = (struct WriteThis *)userp;
     36 
     37   if(size*nmemb < 1)
     38     return 0;
     39 
     40   if(pooh->sizeleft) {
     41     *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
     42     pooh->readptr++;                 /* advance pointer */
     43     pooh->sizeleft--;                /* less data left */
     44     return 1;                        /* we return 1 byte at a time! */
     45   }
     46 
     47   return 0;                         /* no more data left to deliver */
     48 }
     49 
     50 int test(char *URL)
     51 {
     52   CURL *curl;
     53   CURLcode res = CURLE_OK;
     54 
     55   struct WriteThis pooh;
     56 
     57   pooh.readptr = data;
     58   pooh.sizeleft = strlen(data);
     59 
     60   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
     61     fprintf(stderr, "curl_global_init() failed\n");
     62     return TEST_ERR_MAJOR_BAD;
     63   }
     64 
     65   curl = curl_easy_init();
     66   if(!curl) {
     67     fprintf(stderr, "curl_easy_init() failed\n");
     68     curl_global_cleanup();
     69     return TEST_ERR_MAJOR_BAD;
     70   }
     71 
     72   /* First set the URL that is about to receive our POST. */
     73   test_setopt(curl, CURLOPT_URL, URL);
     74 
     75   /* Now specify we want to POST data */
     76   test_setopt(curl, CURLOPT_POST, 1L);
     77 
     78 #ifdef CURL_DOES_CONVERSIONS
     79   /* Convert the POST data to ASCII */
     80   test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
     81 #endif
     82 
     83   /* Set the expected POST size */
     84   test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)pooh.sizeleft);
     85 
     86   /* we want to use our own read function */
     87   test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
     88 
     89   /* pointer to pass to our read function */
     90   test_setopt(curl, CURLOPT_READDATA, &pooh);
     91 
     92   /* get verbose debug output please */
     93   test_setopt(curl, CURLOPT_VERBOSE, 1L);
     94 
     95   /* include headers in the output */
     96   test_setopt(curl, CURLOPT_HEADER, 1L);
     97 
     98   /* Perform the request, res will get the return code */
     99   res = curl_easy_perform(curl);
    100 
    101 test_cleanup:
    102 
    103   /* always cleanup */
    104   curl_easy_cleanup(curl);
    105   curl_global_cleanup();
    106 
    107   return res;
    108 }
    109