pop3-noop.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/
/* <DESC>
 * Perform a POP3 noop
 * </DESC>
 */
#include <stdio.h>
 
#include <curl/curl.h>
 
/* This is a simple example showing how to perform a noop using libcurl's POP3
 * capabilities.
 *
 * Note that this example requires libcurl 7.26.0 or above.
 */
 
int main(void)
{
  CURL *curl;
 
  CURLcode result = curl_global_init(CURL_GLOBAL_ALL);
  if(result != CURLE_OK)
    return (int)result;
 
  curl = curl_easy_init();
  if(curl) {
    /* Set username and password */
    curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
    curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
 
    /* This is the server URL */
    curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com");
 
    /* Set the NOOP command */
    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "NOOP");
 
    /* Do not perform a transfer as NOOP returns no data */
    curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
 
    /* Perform the custom request */
    result = curl_easy_perform(curl);
 
    /* Check for errors */
    if(result != CURLE_OK)
      fprintf(stderr, "curl_easy_perform() failed: %s\n",
              curl_easy_strerror(result));
 
    /* Always cleanup */
    curl_easy_cleanup(curl);
  }
 
  curl_global_cleanup();
 
  return (int)result;
}

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