test curl 'curl_formadd' submit array field

form_test.cpp

// http://curl.haxx.se/libcurl/c/postit2.html
#include <stdio.h>
#include <string.h>
 
#include <curl/curl.h>
 
int main(int argc, char *argv[])
{
  CURL *curl;
  CURLcode res;
 
  struct curl_httppost *formpost=NULL;
  struct curl_httppost *lastptr=NULL;
  
  CURLFORMcode add_result;
 
  curl_global_init(CURL_GLOBAL_ALL);
 
  /* Fill in the file upload field */ 
  add_result = curl_formadd(&formpost,
               &lastptr,
               CURLFORM_COPYNAME, "file[]",
               CURLFORM_FILE, "form_test.cpp",
               CURLFORM_END);
 
  if (add_result != 0) {
 	printf("curl_formadd: %d\n", add_result);
  }
 
  /* Fill in the filename field */ 
  add_result = curl_formadd(&formpost,
               &lastptr,
               CURLFORM_COPYNAME, "file[]",
               CURLFORM_COPYCONTENTS, "form_test.cpp",
               CURLFORM_END);
 
 if (add_result != 0) {
 	printf("curl_formadd: %d\n", add_result);
 }
 
  curl = curl_easy_init();
  if(curl) {
    /* what URL that receives this POST */ 
    curl_easy_setopt(curl, CURLOPT_URL, "http://aaba.me/cgi-bin/t.cgi");
    
    // set form
    curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
 
    // debug proxy
    curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1");
    curl_easy_setopt(curl, CURLOPT_PROXYPORT, 8888);
 
    /* Perform the request, res will get the return code */ 
    res = curl_easy_perform(curl);
    /* Check for errors */ 
    if(res != CURLE_OK)
      printf("curl_easy_perform() failed: %s\n",
              curl_easy_strerror(res));
 
    /* always cleanup */ 
    curl_easy_cleanup(curl);
 
    /* then cleanup the formpost chain */ 
    curl_formfree(formpost);
  }
  return 0;
}