NAME

CURLINFO_OS_ERRNO - get errno number from last connect failure

SYNOPSIS

#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_OS_ERRNO, long *errnop);

DESCRIPTION

Pass a pointer to a long to receive the errno variable from a connect failure. Note that the value is only set on failure, it is not reset upon a successful operation. The number is OS and system specific.

PROTOCOLS

All

EXAMPLE

int main(void)
{


  CURL *curl = curl_easy_init();


  if(curl) {


    CURLcode res;


    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");


    res = curl_easy_perform(curl);


    if(res != CURLE_OK) {


      long error;


      res = curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &error);


      if(res && error) {


        printf("Errno: %ld\n", error);


      }


    }


    curl_easy_cleanup(curl);


  }
}

AVAILABILITY

Added in 7.12.2

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.