CURLINFO_HEADER_SIZE(3)

CURLINFO_HEADER_SIZE(3curl_easy_getinfo optionCURLINFO_HEADER_SIZE(3)

NAME

     CURLINFO_HEADER_SIZE - get size of retrieved headers

SYNOPSIS

     #include <curl/curl.h>

     CURLcode           curl_easy_getinfo(CURL           *handle,
     CURLINFO_HEADER_SIZE, long *sizep);

DESCRIPTION

     Pass a pointer to a long to receive the total  size  of  all
     the headers received. Measured in number of bytes.

     The  total  includes  the  size  of  any  received   headers
     suppressed by CURLOPT_SUPPRESS_CONNECT_HEADERS(3).

PROTOCOLS

     All

EXAMPLE

     CURL *curl = curl_easy_init();
     if(curl) {
       CURLcode res;
       curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
       res = curl_easy_perform(curl);
       if(res == CURLE_OK) {
         long size;
         res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size);
         if(!res)
           printf("Header size: %ld bytes\n", size);
       }
       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_REQUEST_SIZE(3), CURLINFO_SIZE_DOWNLOAD(3),

libcurl 7.58.0      Last change: May 06, 2017                   1