CURLINFO_USED_PROXY(3) Library Functions Manual CURLINFO_USED_PROXY(3)
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)
libcurl 2025-02-08 CURLINFO_USED_PROXY(3)
curl 8.12.0 - Generated Tue Feb 11 14:31:03 CST 2025