mirror of https://github.com/moparisthebest/curl
137 lines
4.0 KiB
C
137 lines
4.0 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) 1998 - 2012, 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 http://curl.haxx.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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***************************************************************************/
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/*
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* Test case converted from bug report #3575448, identifying a memory leak in
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* the CURLOPT_RESOLVE handling with the multi interface.
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*/
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#include "test.h"
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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int test(char *URL)
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{
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CURL *ehandle;
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CURLM *multi_handle;
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char redirect[160];
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CURLcode result = CURLE_NOT_BUILT_IN;
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int still_running; /* keep number of running handles */
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CURLMsg *msg; /* for picking up messages with the transfer status */
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int msgs_left; /* how many messages are left */
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/* DNS cache injection */
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struct curl_slist *dns_cache_list;
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sprintf(redirect, "google.com:%s:%s", libtest_arg2, libtest_arg3);
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fprintf(stderr, "Redirect: %s\n", redirect);
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dns_cache_list = curl_slist_append(NULL, redirect);
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/* Allocate one CURL handle per transfer */
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ehandle = curl_easy_init();
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/* set the options (I left out a few, you'll get the point anyway) */
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curl_easy_setopt(ehandle, CURLOPT_URL, URL);
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curl_easy_setopt(ehandle, CURLOPT_HEADER, 1L);
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curl_easy_setopt(ehandle, CURLOPT_RESOLVE, dns_cache_list);
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/* init a multi stack */
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multi_handle = curl_multi_init();
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/* add the individual transfers */
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curl_multi_add_handle(multi_handle, ehandle);
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/* we start some action by calling perform right away */
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curl_multi_perform(multi_handle, &still_running);
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do {
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struct timeval timeout;
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int rc; /* select() return code */
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcep;
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int maxfd = -1;
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long curl_timeo = -1;
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcep);
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/* set a suitable timeout to play around with */
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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curl_multi_timeout(multi_handle, &curl_timeo);
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if(curl_timeo >= 0) {
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int itimeout = (curl_timeo > (long)INT_MAX) ? INT_MAX : (int)curl_timeo;
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timeout.tv_sec = itimeout / 1000;
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if(timeout.tv_sec > 1)
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timeout.tv_sec = 1;
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else
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timeout.tv_usec = (itimeout % 1000) * 1000;
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}
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/* get file descriptors from the transfers */
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curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* In a real-world program you OF COURSE check the return code of the
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function calls. On success, the value of maxfd is guaranteed to be
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greater or equal than -1. We call select(maxfd + 1, ...), specially in
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case of (maxfd == -1), we call select(0, ...), which is basically equal
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to sleep. */
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rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
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switch(rc) {
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case -1:
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/* select error */
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break;
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case 0: /* timeout */
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default: /* action */
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curl_multi_perform(multi_handle, &still_running);
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break;
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}
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} while(still_running);
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/* See how the transfers went */
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while ((msg = curl_multi_info_read(multi_handle, &msgs_left))) {
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if (msg->msg == CURLMSG_DONE)
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result = msg->data.result;
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}
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curl_multi_cleanup(multi_handle);
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/* Free the CURL handles */
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curl_easy_cleanup(ehandle);
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curl_slist_free_all(dns_cache_list);
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return (int)result;
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}
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