54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/* <DESC>
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* Use CURLOPT_LOCALPORT to control local port number
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* </DESC>
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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int main(void)
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{
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CURL *curl;
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CURLcode res = CURLE_OK;
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curl = curl_easy_init();
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if(curl) {
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/* Try to use a local port number between 20000-20009 */
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curl_easy_setopt(curl, CURLOPT_LOCALPORT, 20000L);
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/* 10 means number of attempts, which starts with the number set in
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CURLOPT_LOCALPORT. The lowe value set, the smaller the change it will
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work. */
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curl_easy_setopt(curl, CURLOPT_LOCALPORTRANGE, 10L);
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curl_easy_setopt(curl, CURLOPT_URL, "https://curl.se/");
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res = curl_easy_perform(curl);
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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return (int)res;
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}
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