CURLINFO_OS_ERRNO(3)

1CURLINFO_OS_ERRNO(3)       curl_easy_getinfo options      CURLINFO_OS_ERRNO(3)
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NAME

6       CURLINFO_OS_ERRNO - get errno number from last connect failure
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode  curl_easy_getinfo(CURL  *handle, CURLINFO_OS_ERRNO, long *er‐
12       rnop);
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DESCRIPTION

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

20       All
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EXAMPLE

23       CURL *curl = curl_easy_init();
24       if(curl) {
25         CURLcode res;
26         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
27         res = curl_easy_perform(curl);
28         if(res != CURLE_OK) {
29           long error;
30           res = curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &error);
31           if(res && error) {
32             printf("Errno: %ld\n", error);
33           }
34         }
35         curl_easy_cleanup(curl);
36       }
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AVAILABILITY

39       Added in 7.12.2
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RETURN VALUE

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