curl / libcurl / API / curl_easy_getinfo / CURLINFO_NAMELOOKUP_TIME

CURLINFO_NAMELOOKUP_TIME explained

Name

CURLINFO_NAMELOOKUP_TIME - 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 man page.

Protocols

This functionality affects all supported protocols

Example

 int main(void) {   CURL *curl = curl_easy_init();   if(curl) {   CURLcode result;   double namelookup;   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");   result = curl_easy_perform(curl);   if(CURLE_OK == result) {   result = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &namelookup);   if(CURLE_OK == result) {   printf("Time: %.1f", namelookup);   }   }   /* always cleanup */   curl_easy_cleanup(curl);   } }

Availability

Added in curl 7.4.1

Return value

curl_easy_getinfo returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors.