1CURLINFO_OS_ERRNO(3)       curl_easy_getinfo options      CURLINFO_OS_ERRNO(3)
2
3
4

NAME

6       CURLINFO_OS_ERRNO - get errno number from last connect failure
7

SYNOPSIS

9       #include <curl/curl.h>
10
11       CURLcode   curl_easy_getinfo(CURL   *handle,   CURLINFO_OS_ERRNO,  long
12       *errnop);
13

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.
18

PROTOCOLS

20       All
21

EXAMPLE

23       CURL *curl = curl_easy_init();
24       if(curl) {
25         CURLcode res;
26         curl_easy_setopt(curl, CURLOPT_URL, "http://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       }
37

AVAILABILITY

39       Added in 7.12.2
40

RETURN VALUE

42       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
43       if not.
44

SEE ALSO

46       curl_easy_getinfo(3), curl_easy_setopt(3),
47
48
49
50libcurl 7.64.0                 November 07, 2018          CURLINFO_OS_ERRNO(3)
Impressum