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dcd6f81025
The function does not return the same value as snprintf() normally does, so readers may be mislead into thinking the code works differently than it actually does. A different function name makes this easier to detect. Reported-by: Tomas Hoger Assisted-by: Daniel Gustafsson Fixes #3296 Closes #3297
157 lines
3.8 KiB
C
157 lines
3.8 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 - 2018, 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.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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* This source code is used for lib1502, lib1503, lib1504 and lib1505 with
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* only #ifdefs controlling the cleanup sequence.
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*
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* Test case 1502 converted from bug report #3575448, identifying a memory
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* leak in the CURLOPT_RESOLVE handling with the multi interface.
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*/
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#include "test.h"
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#include <limits.h>
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#include "testutil.h"
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#include "warnless.h"
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#include "memdebug.h"
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#define TEST_HANG_TIMEOUT 60 * 1000
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int test(char *URL)
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{
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CURL *easy = NULL;
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CURL *dup;
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CURLM *multi = NULL;
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int still_running;
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int res = 0;
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char redirect[160];
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/* DNS cache injection */
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struct curl_slist *dns_cache_list;
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msnprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2,
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libtest_arg3);
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start_test_timing();
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dns_cache_list = curl_slist_append(NULL, redirect);
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if(!dns_cache_list) {
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fprintf(stderr, "curl_slist_append() failed\n");
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return TEST_ERR_MAJOR_BAD;
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}
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res_global_init(CURL_GLOBAL_ALL);
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if(res) {
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curl_slist_free_all(dns_cache_list);
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return res;
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}
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easy_init(easy);
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easy_setopt(easy, CURLOPT_URL, URL);
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easy_setopt(easy, CURLOPT_HEADER, 1L);
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easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list);
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dup = curl_easy_duphandle(easy);
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if(dup) {
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curl_easy_cleanup(easy);
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easy = dup;
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}
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else {
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curl_slist_free_all(dns_cache_list);
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curl_easy_cleanup(easy);
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return CURLE_OUT_OF_MEMORY;
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}
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multi_init(multi);
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multi_add_handle(multi, easy);
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multi_perform(multi, &still_running);
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abort_on_test_timeout();
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while(still_running) {
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struct timeval timeout;
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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 = -99;
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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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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* At this point, maxfd is guaranteed to be greater or equal than -1. */
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select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
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abort_on_test_timeout();
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multi_perform(multi, &still_running);
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abort_on_test_timeout();
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}
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test_cleanup:
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#ifdef LIB1502
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/* undocumented cleanup sequence - type UA */
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curl_multi_cleanup(multi);
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curl_easy_cleanup(easy);
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curl_global_cleanup();
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#endif
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#ifdef LIB1503
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/* proper cleanup sequence - type PA */
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curl_multi_remove_handle(multi, easy);
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curl_multi_cleanup(multi);
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curl_easy_cleanup(easy);
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curl_global_cleanup();
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#endif
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#ifdef LIB1504
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/* undocumented cleanup sequence - type UB */
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curl_easy_cleanup(easy);
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curl_multi_cleanup(multi);
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curl_global_cleanup();
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#endif
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#ifdef LIB1505
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/* proper cleanup sequence - type PB */
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curl_multi_remove_handle(multi, easy);
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curl_easy_cleanup(easy);
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curl_multi_cleanup(multi);
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curl_global_cleanup();
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#endif
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curl_slist_free_all(dns_cache_list);
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return res;
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}
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