CURLINFO_HEADER_SIZE(3) | Library Functions Manual | CURLINFO_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
This functionality affects all supported protocols
EXAMPLE
int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://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 curl 7.4.1
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLINFO_REQUEST_SIZE(3), CURLINFO_SIZE_DOWNLOAD(3), curl_easy_getinfo(3), curl_easy_setopt(3)
2024-08-05 | libcurl |