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| .TH CURLINFO_PRETRANSFER_TIME 3 "January 14, 2021" "libcurl 7.78.0" "curl_easy_getinfo options" |
| |
| .SH NAME |
| CURLINFO_PRETRANSFER_TIME \- get the time until the file transfer start |
| .SH SYNOPSIS |
| #include <curl/curl.h> |
| |
| CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRETRANSFER_TIME, double *timep); |
| .SH 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 triggers a transfer. |
| |
| When a redirect is followed, the time from each request is added together. |
| |
| See also the TIMES overview in the \fIcurl_easy_getinfo(3)\fP man page. |
| .SH PROTOCOLS |
| All |
| .SH EXAMPLE |
| .nf |
| 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); |
| } |
| .fi |
| .SH AVAILABILITY |
| Added in 7.4.1 |
| .SH RETURN VALUE |
| Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. |
| .SH "SEE ALSO" |
| .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), " CURLINFO_PRETRANSFER_TIME_T "(3)" |
