e3fe020089
Remove the PROTOCOLS section from the source files completely and instead generate them based on the header data in the curldown files. It also generates TLS backend information for options marked for TLS as protocol. Closes #13175
68 lines
1.4 KiB
Markdown
68 lines
1.4 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.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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Protocol:
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- All
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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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# 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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