CURLINFO_NAMELOOKUP_TIME - Man Page

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME,
                           double *timep);

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.

All

curl = curl_easy_init();
if(curl) {
  double namelookup;
  curl_easy_setopt(curl, CURLOPT_URL, url);
  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);
}

Added in 7.4.1

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

curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_NAMELOOKUP_TIME_T(3)

curl_easy_getinfo(3), CURLINFO_NAMELOOKUP_TIME_T(3).