CURLINFO_OS_ERRNO(3) curl_easy_getinfo options CURLINFO_OS_ERRNO(3)
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
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.
SEE ALSO
curl_easy_getinfo(3), curl_easy_setopt(3),
libcurl 7.81.0 November 26, 2021 CURLINFO_OS_ERRNO(3)
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