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CURLINFO_HEADER_SIZE(3) | curl_easy_getinfo options | 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¶
All
EXAMPLE¶
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 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),
January 2, 2023 | libcurl 7.88.1 |