CURLINFO_PRETRANSFER_TIME(3curl_easy_getinfo optioCURLINFO_PRETRANSFER_TIME(3)
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 protocol instructions that trig-
gers a transfer.
When a redirect is followed, the time from each request is added to-
gether.
See also the TIMES overview in the curl_easy_getinfo(3) man page.
PROTOCOLS
All
EXAMPLE
curl = curl_easy_init();
if(curl) {
double pretransfer;
curl_easy_setopt(curl, CURLOPT_URL, url);
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 7.4.1
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
if not.
SEE ALSO
curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_PRETRANS-
FER_TIME_T(3)
libcurl 7.81.0 November 26, 2021 CURLINFO_PRETRANSFER_TIME(3)
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