CURLINFO_OS_ERRNO - Man Page
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
Referenced By
April 26, 2023 ibcurl 8.2.1 libcurl