ERROR SUMMARY: 43789 errors from 10 contexts (suppressed: 4 from 1)

The version of curl is 7.20.0, c-ares is 1.7.1

I must use multi perform, beacuse there is a lot of web page to get. But a lot of errors happened when I checked it with valgrind. And I think , thoese errors will lead other errors , such as segmentation fault. I don't know how to solve it , please help me. Thanks you!!

my code is :

#include<iostream>
#include<string>
#include<curl/curl.h>
using namespace std;

int main()
{
    curl_global_init(CURL_GLOBAL_ALL);
    CURL* curl1 = curl_easy_init();
    if (!curl1)
        return 0;
    string urll = "https://poptartssucktoasted.sslpowered.com";
    curl_easy_setopt(curl1, CURLOPT_URL, urll.c_str());
    curl_easy_setopt(curl1, CURLOPT_TIMEOUT, 5);
    curl_easy_setopt(curl1, CURLOPT_CONNECTTIMEOUT, 5);
    curl_easy_setopt(curl1, CURLOPT_VERBOSE, 0);

    CURLM* curlm = curl_multi_init();
    curl_multi_add_handle(curlm, curl1);
    int running = 0;
    while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(curlm, &running))
    {
        ;
    }
    while (running)
    {
        timeval tv;
        tv.tv_sec = 1;
        tv.tv_usec = 0;
        int max_fd;
        fd_set fd_read;
        fd_set fd_write;
        fd_set fd_except;
        FD_ZERO(&fd_read);
        FD_ZERO(&fd_write);
        FD_ZERO(&fd_except);

        curl_multi_fdset(curlm, &fd_read, &fd_write, &fd_except, &max_fd);
        int return_code = select(max_fd + 1, &fd_read, &fd_write, &fd_except,
                &tv);
        if (return_code < 0)
        {
            break;
        }
        else
        {
            while(CURLM_CALL_MULTI_PERFORM == curl_multi_perform(curlm,
                        &running))
            {
                ;
            }
        }
    }
   
    curl_multi_remove_handle(curlm, curl1);
    curl_easy_cleanup(curl1);
    curl_multi_cleanup(curlm);
    curl_global_cleanup();
    return 0;
}

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Received on 2010-04-16