c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Title: CURLINFO_USED_PROXY Section: 3 Source: libcurl See-also:
CURLINFO_USED_PROXY - whether the transfer used a proxy
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_USED_PROXY,
long *authp);
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.
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);
}
}
Added in 8.7.0
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.