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- bookworm 7.88.1-10+deb12u5
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CURLINFO_OS_ERRNO(3) | Library Functions Manual | 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¶
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.
SEE ALSO¶
2024-05-14 | libcurl |