CURLINFO_HTTP_VERSION.md (1329B)
1 --- 2 c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3 SPDX-License-Identifier: curl 4 Title: CURLINFO_HTTP_VERSION 5 Section: 3 6 Source: libcurl 7 See-also: 8 - CURLINFO_RESPONSE_CODE (3) 9 - curl_easy_getinfo (3) 10 - curl_easy_setopt (3) 11 Protocol: 12 - HTTP 13 Added-in: 7.50.0 14 --- 15 16 # NAME 17 18 CURLINFO_HTTP_VERSION - get the http version used in the connection 19 20 # SYNOPSIS 21 22 ~~~c 23 #include <curl/curl.h> 24 25 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p); 26 ~~~ 27 28 # DESCRIPTION 29 30 Pass a pointer to a long to receive the version used in the last http 31 connection done using this handle. The returned value is 32 CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0, 33 CURL_HTTP_VERSION_3 or 0 if the version cannot be determined. 34 35 # %PROTOCOLS% 36 37 # EXAMPLE 38 39 ~~~c 40 int main(void) 41 { 42 CURL *curl = curl_easy_init(); 43 if(curl) { 44 CURLcode res; 45 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 46 res = curl_easy_perform(curl); 47 if(res == CURLE_OK) { 48 long http_version; 49 curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version); 50 } 51 curl_easy_cleanup(curl); 52 } 53 } 54 ~~~ 55 56 # %AVAILABILITY% 57 58 # RETURN VALUE 59 60 curl_easy_getinfo(3) returns a CURLcode indicating success or error. 61 62 CURLE_OK (0) means everything was OK, non-zero means an error occurred, see 63 libcurl-errors(3).