table of contents
CURLINFO_NAMELOOKUP_TIME(3) | Library Functions Manual | CURLINFO_NAMELOOKUP_TIME(3) |
NAME¶
CURLINFO_NAMELOOKUP_TIME - get the name lookup time
SYNOPSIS¶
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME,
double *timep);
DESCRIPTION¶
Pass a pointer to a double to receive the total time in seconds from the start until the name resolving was completed.
When a redirect is followed, the time from each request is added together.
See also the TIMES overview in the curl_easy_getinfo(3) man page.
PROTOCOLS¶
This functionality affects all supported protocols
EXAMPLE¶
int main(void) {
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
double namelookup;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
res = curl_easy_perform(curl);
if(CURLE_OK == res) {
res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &namelookup);
if(CURLE_OK == res) {
printf("Time: %.1f", namelookup);
}
}
/* always cleanup */
curl_easy_cleanup(curl);
} }
AVAILABILITY¶
Added in curl 7.4.1
RETURN VALUE¶
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO¶
CURLINFO_NAMELOOKUP_TIME_T(3), curl_easy_getinfo(3), curl_easy_setopt(3)
2024-12-11 | libcurl |