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