CURLINFO_HEADER_SIZE - get size of retrieved headers
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);
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 CUR-
LOPT_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.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
+---------------+------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+------------------+
|Availability | web/curl |
+---------------+------------------+
|Stability | Uncommitted |
+---------------+------------------+
SEE ALSO
curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_REQUEST_SIZE(3),
CURLINFO_SIZE_DOWNLOAD(3),
NOTES
Source code for open source software components in Oracle Solaris can
be found at https://www.oracle.com/downloads/opensource/solaris-source-
code-downloads.html.
This software was built from source available at
https://github.com/oracle/solaris-userland. The original community
source was downloaded from https://curl.se/down-
load/curl-7.83.1.tar.bz2.
Further information about this software can be found on the open source
community website at http://curl.haxx.se/.
libcurl 7.83.1 November 26, 2021 CURLINFO_HEADER_SIZE(3)