NAME

CURLINFO_USED_PROXY - whether the transfer used a proxy

SYNOPSIS

#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_USED_PROXY,


                           long *authp);

DESCRIPTION

Pass a pointer to a long. It gets set to zero set if no proxy was used in the previous transfer or a non-zero value if a proxy was used.

PROTOCOLS

This functionality affects all supported protocols

EXAMPLE

int main(int argc, char *argv[])
{


  CURL *curl = curl_easy_init();


  if(curl) {


    CURLcode res;


    curl_easy_setopt(curl, CURLOPT_URL, argv[1]);


    curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1:80");


    curl_easy_setopt(curl, CURLOPT_NOPROXY, "example.com");


    res = curl_easy_perform(curl);


    if(!res) {


      /* extract the available proxy authentication types */


      long used;


      res = curl_easy_getinfo(curl, CURLINFO_USED_PROXY, &used);


      if(!res) {


        printf("The proxy was %sused\n", used ? "": "NOT ");


      }


    }


    curl_easy_cleanup(curl);


  }
}

AVAILABILITY

Added in curl 8.7.0

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

CURLOPT_NOPROXY(3), CURLOPT_PROXY(3), curl_easy_getinfo(3), curl_easy_setopt(3)