249 lines
6.5 KiB
C
249 lines
6.5 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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#include "first.h"
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#include "memdebug.h"
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#define PAUSE_TIME 5
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struct t670_ReadThis {
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CURL *curl;
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time_t origin;
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int count;
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};
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static size_t t670_read_cb(char *ptr, size_t size, size_t nmemb, void *userp)
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{
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struct t670_ReadThis *pooh = (struct t670_ReadThis *) userp;
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time_t delta;
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if(size * nmemb < 1)
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return 0;
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switch(pooh->count++) {
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case 0:
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*ptr = '\x41'; /* ASCII A. */
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return 1;
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case 1:
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pooh->origin = time(NULL);
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return CURL_READFUNC_PAUSE;
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case 2:
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delta = time(NULL) - pooh->origin;
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*ptr = delta >= PAUSE_TIME ? '\x42' : '\x41'; /* ASCII A or B. */
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return 1;
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case 3:
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return 0;
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}
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curl_mfprintf(stderr, "Read callback called after EOF\n");
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exit(1);
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}
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static int t670_xferinfo(void *clientp,
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curl_off_t dltotal, curl_off_t dlnow,
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curl_off_t ultotal, curl_off_t ulnow)
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{
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struct t670_ReadThis *pooh = (struct t670_ReadThis *) clientp;
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(void)dltotal;
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(void)dlnow;
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(void)ultotal;
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(void)ulnow;
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if(pooh->origin) {
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time_t delta = time(NULL) - pooh->origin;
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if(delta >= 4 * PAUSE_TIME) {
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curl_mfprintf(stderr, "unpausing failed: drain problem?\n");
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return CURLE_ABORTED_BY_CALLBACK;
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}
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if(delta >= PAUSE_TIME)
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curl_easy_pause(pooh->curl, CURLPAUSE_CONT);
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}
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return 0;
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}
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static CURLcode test_lib670(const char *URL)
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{
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static const char testname[] = "field";
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curl_mime *mime = NULL;
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struct curl_httppost *formpost = NULL;
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struct t670_ReadThis pooh;
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CURLcode res = TEST_ERR_FAILURE;
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/*
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* Check proper pausing/unpausing from a mime or form read callback.
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*/
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if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
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curl_mfprintf(stderr, "curl_global_init() failed\n");
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return TEST_ERR_MAJOR_BAD;
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}
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pooh.origin = (time_t) 0;
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pooh.count = 0;
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pooh.curl = curl_easy_init();
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/* First set the URL that is about to receive our POST. */
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test_setopt(pooh.curl, CURLOPT_URL, URL);
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/* get verbose debug output please */
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test_setopt(pooh.curl, CURLOPT_VERBOSE, 1L);
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/* include headers in the output */
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test_setopt(pooh.curl, CURLOPT_HEADER, 1L);
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if(testnum == 670 || testnum == 671) {
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curl_mimepart *part;
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/* Build the mime tree. */
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mime = curl_mime_init(pooh.curl);
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part = curl_mime_addpart(mime);
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res = curl_mime_name(part, testname);
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if(res != CURLE_OK) {
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curl_mfprintf(stderr,
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"Something went wrong when building the mime structure: %d\n",
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res);
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goto test_cleanup;
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}
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res = curl_mime_data_cb(part, (curl_off_t) 2, t670_read_cb,
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NULL, NULL, &pooh);
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/* Bind mime data to its easy handle. */
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if(res == CURLE_OK)
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test_setopt(pooh.curl, CURLOPT_MIMEPOST, mime);
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}
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else {
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struct curl_httppost *lastptr = NULL;
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CURLFORMcode formrc;
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/* Build the form. */
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formrc = curl_formadd(&formpost, &lastptr,
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CURLFORM_COPYNAME, testname,
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CURLFORM_STREAM, &pooh,
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CURLFORM_CONTENTLEN, (curl_off_t) 2,
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CURLFORM_END);
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if(formrc) {
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curl_mfprintf(stderr, "curl_formadd() = %d\n", formrc);
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goto test_cleanup;
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}
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/* We want to use our own read function. */
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test_setopt(pooh.curl, CURLOPT_READFUNCTION, t670_read_cb);
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/* Send a multi-part formpost. */
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test_setopt(pooh.curl, CURLOPT_HTTPPOST, formpost);
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}
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if(testnum == 670 || testnum == 672) {
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CURLMcode mres;
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CURLM *multi;
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/* Use the multi interface. */
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multi = curl_multi_init();
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mres = curl_multi_add_handle(multi, pooh.curl);
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while(!mres) {
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struct timeval timeout;
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int rc = 0;
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcept;
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int maxfd = -1;
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int still_running = 0;
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mres = curl_multi_perform(multi, &still_running);
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if(!still_running || mres != CURLM_OK)
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break;
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if(pooh.origin) {
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time_t delta = time(NULL) - pooh.origin;
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if(delta >= 4 * PAUSE_TIME) {
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curl_mfprintf(stderr, "unpausing failed: drain problem?\n");
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res = CURLE_OPERATION_TIMEDOUT;
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break;
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}
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if(delta >= PAUSE_TIME)
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curl_easy_pause(pooh.curl, CURLPAUSE_CONT);
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}
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcept);
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timeout.tv_sec = 0;
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timeout.tv_usec = 1000000 * PAUSE_TIME / 10;
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mres = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcept, &maxfd);
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if(mres)
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break;
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#ifdef _WIN32
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if(maxfd == -1)
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curlx_wait_ms(100);
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else
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#endif
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rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcept, &timeout);
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if(rc == -1) {
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curl_mfprintf(stderr, "Select error\n");
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break;
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}
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}
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if(mres != CURLM_OK)
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for(;;) {
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int msgs_left;
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CURLMsg *msg;
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msg = curl_multi_info_read(multi, &msgs_left);
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if(!msg)
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break;
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if(msg->msg == CURLMSG_DONE) {
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res = msg->data.result;
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}
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}
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curl_multi_remove_handle(multi, pooh.curl);
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curl_multi_cleanup(multi);
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}
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else {
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/* Use the easy interface. */
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test_setopt(pooh.curl, CURLOPT_XFERINFODATA, &pooh);
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test_setopt(pooh.curl, CURLOPT_XFERINFOFUNCTION, t670_xferinfo);
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test_setopt(pooh.curl, CURLOPT_NOPROGRESS, 0L);
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res = curl_easy_perform(pooh.curl);
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}
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test_cleanup:
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curl_easy_cleanup(pooh.curl);
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if(testnum == 670 || testnum == 671) {
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curl_mime_free(mime);
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}
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else {
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curl_formfree(formpost);
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}
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curl_global_cleanup();
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return res;
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}
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