NAME

       CURLINFO_PRETRANSFER_TIME - get the time until the file transfer start

SYNOPSIS

       #include <curl/curl.h>

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

DESCRIPTION

       Pass  a  pointer  to  a  double  to  receive  the time, in seconds, it took from the start until the file
       transfer is just about to begin.

       This time-stamp includes all pre-transfer commands and negotiations that are specific to  the  particular
       protocol(s)  involved.  It  includes  the  sending  of  the protocol-specific instructions that trigger a
       transfer.

       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 pretransfer;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
           res = curl_easy_perform(curl);
           if(CURLE_OK == res) {
             res = curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME, &pretransfer);
             if(CURLE_OK == res) {
               printf("Time: %.1f", pretransfer);
             }
           }
           /* always cleanup */
           curl_easy_cleanup(curl);
         }
       }

AVAILABILITY

       Added in curl 7.4.1

RETURN VALUE

       curl_easy_getinfo(3) returns a CURLcode indicating success or error.

       CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).

SEE ALSO

       CURLINFO_CONNECT_TIME_T(3), CURLINFO_PRETRANSFER_TIME_T(3), curl_easy_getinfo(3), curl_easy_setopt(3)

libcurl                                            2025-03-05                       CURLINFO_PRETRANSFER_TIME(3)