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70 lines
1.4 KiB
Markdown
70 lines
1.4 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLINFO_USED_PROXY
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_NOPROXY (3)
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- CURLOPT_PROXY (3)
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- curl_easy_getinfo (3)
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- curl_easy_setopt (3)
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---
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# NAME
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CURLINFO_USED_PROXY - whether the transfer used a proxy
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_USED_PROXY,
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long *authp);
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~~~
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# DESCRIPTION
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Pass a pointer to a long. It gets set to zero set if no proxy was used in the
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previous transfer or a non-zero value if a proxy was used.
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# PROTOCOLS
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HTTP(S)
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# EXAMPLE
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~~~c
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int main(int argc, char *argv[])
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
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curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1:80");
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curl_easy_setopt(curl, CURLOPT_NOPROXY, "example.com");
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res = curl_easy_perform(curl);
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if(!res) {
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/* extract the available proxy authentication types */
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long used;
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res = curl_easy_getinfo(curl, CURLINFO_USED_PROXY, &used);
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if(!res) {
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printf("The proxy was %sused\n", used ? "": "NOT ");
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}
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}
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 8.7.0
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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