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),