CMakeLua/Utilities/cmcurl-7.19.0/docs/examples/postit2.c

   1 /*****************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * $Id: postit2.c,v 1.1.1.1 2008-09-23 16:32:05 hoffman Exp $
   9  *
  10  * Example code that uploads a file name 'foo' to a remote script that accepts
  11  * "HTML form based" (as described in RFC1738) uploads using HTTP POST.
  12  *
  13  * The imaginary form we'll fill in looks like:
  14  *
  15  * <form method="post" enctype="multipart/form-data" action="examplepost.cgi">
  16  * Enter file: <input type="file" name="sendfile" size="40">
  17  * Enter file name: <input type="text" name="filename" size="30">
  18  * <input type="submit" value="send" name="submit">
  19  * </form>
  20  *
  21  * This exact source code has not been verified to work.
  22  */
  23
  24 #include <stdio.h>
  25 #include <string.h>
  26
  27 #include <curl/curl.h>
  28 #include <curl/types.h>
  29 #include <curl/easy.h>
  30
  31 int main(int argc, char *argv[])
  32 {
  33   CURL *curl;
  34   CURLcode res;
  35
  36   struct curl_httppost *formpost=NULL;
  37   struct curl_httppost *lastptr=NULL;
  38   struct curl_slist *headerlist=NULL;
  39   static const char buf[] = "Expect:";
  40
  41   curl_global_init(CURL_GLOBAL_ALL);
  42
  43   /* Fill in the file upload field */
  44   curl_formadd(&formpost,
  45                &lastptr,
  46                CURLFORM_COPYNAME, "sendfile",
  47                CURLFORM_FILE, "postit2.c",
  48                CURLFORM_END);
  49
  50   /* Fill in the filename field */
  51   curl_formadd(&formpost,
  52                &lastptr,
  53                CURLFORM_COPYNAME, "filename",
  54                CURLFORM_COPYCONTENTS, "postit2.c",
  55                CURLFORM_END);
  56
  57
  58   /* Fill in the submit field too, even if this is rarely needed */
  59   curl_formadd(&formpost,
  60                &lastptr,
  61                CURLFORM_COPYNAME, "submit",
  62                CURLFORM_COPYCONTENTS, "send",
  63                CURLFORM_END);
  64
  65   curl = curl_easy_init();
  66   /* initalize custom header list (stating that Expect: 100-continue is not
  67      wanted */
  68   headerlist = curl_slist_append(headerlist, buf);
  69   if(curl) {
  70     /* what URL that receives this POST */
  71     curl_easy_setopt(curl, CURLOPT_URL, "http://curl.haxx.se/examplepost.cgi");
  72     if ( (argc == 2) && (!strcmp(argv[1], "noexpectheader")) )
  73       /* only disable 100-continue header if explicitly requested */
  74       curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
  75     curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
  76     res = curl_easy_perform(curl);
  77
  78     /* always cleanup */
  79     curl_easy_cleanup(curl);
  80
  81     /* then cleanup the formpost chain */
  82     curl_formfree(formpost);
  83     /* free slist */
  84     curl_slist_free_all (headerlist);
  85   }
  86   return 0;
  87 }