1---
2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
3SPDX-License-Identifier: curl
4Title: CURLINFO_NAMELOOKUP_TIME
5Section: 3
6Source: libcurl
7See-also:
8  - CURLINFO_NAMELOOKUP_TIME_T (3)
9  - curl_easy_getinfo (3)
10  - curl_easy_setopt (3)
11Protocol:
12  - All
13---
14
15# NAME
16
17CURLINFO_NAMELOOKUP_TIME - get the name lookup time
18
19# SYNOPSIS
20
21~~~c
22#include <curl/curl.h>
23
24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME,
25                           double *timep);
26~~~
27
28# DESCRIPTION
29
30Pass a pointer to a double to receive the total time in seconds from the start
31until the name resolving was completed.
32
33When a redirect is followed, the time from each request is added together.
34
35See also the TIMES overview in the curl_easy_getinfo(3) man page.
36
37# EXAMPLE
38
39~~~c
40int main(void)
41{
42  CURL *curl = curl_easy_init();
43  if(curl) {
44    CURLcode res;
45    double namelookup;
46    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
47    res = curl_easy_perform(curl);
48    if(CURLE_OK == res) {
49      res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &namelookup);
50      if(CURLE_OK == res) {
51        printf("Time: %.1f", namelookup);
52      }
53    }
54    /* always cleanup */
55    curl_easy_cleanup(curl);
56  }
57}
58~~~
59
60# AVAILABILITY
61
62Added in 7.4.1
63
64# RETURN VALUE
65
66Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
67