CURLINFO_REQUEST_SIZE(3) Library Functions Manual CURLINFO_REQUEST_SIZE(3)
NAME
CURLINFO_REQUEST_SIZE - size of sent request
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_REQUEST_SIZE, long *sizep);
DESCRIPTION
Pass a pointer to a long to receive the total size of the issued
requests. This is so far only for HTTP requests. Note that this may be
more than one request if CURLOPT_FOLLOWLOCATION(3) is enabled.
PROTOCOLS
This functionality affects all supported protocols
EXAMPLE
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode result;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
result = curl_easy_perform(curl);
if(result == CURLE_OK) {
long req;
result = curl_easy_getinfo(curl, CURLINFO_REQUEST_SIZE, &req);
if(result == CURLE_OK)
printf("Request size: %ld bytes\n", req);
}
curl_easy_cleanup(curl);
}
}
AVAILABILITY
Added in curl 7.4.1
RETURN VALUE
curl_easy_getinfo(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred,
see libcurl-errors(3).
SEE ALSO
CURLINFO_HEADER_SIZE(3), CURLINFO_SIZE_DOWNLOAD_T(3),
curl_easy_getinfo(3), curl_easy_setopt(3)
libcurl 2026-03-23 CURLINFO_REQUEST_SIZE(3)
curl 8.19.0 - Generated Thu Mar 26 15:53:55 CDT 2026