curl / libcurl / API / curl_easy_getinfo / CURLINFO_HTTP_VERSION

CURLINFO_HTTP_VERSION explained

Name

CURLINFO_HTTP_VERSION - get the http version used in the connection

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);

Description

Pass a pointer to a long to receive the version used in the last http connection. The returned value will be CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0, CURL_HTTP_VERSION_3 or 0 if the version cannot be determined.

Protocols

HTTP

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 http_version;
    curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
  }
  curl_easy_cleanup(curl);
}

Availability

Added in 7.50.0

Return value

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.