quickjs-tart

quickjs-based runtime for wallet-core logic
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CURLINFO_USED_PROXY.md (1492B)

      1 ---
      2 c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
      3 SPDX-License-Identifier: curl
      4 Title: CURLINFO_USED_PROXY
      5 Section: 3
      6 Source: libcurl
      7 See-also:
      8   - CURLOPT_NOPROXY (3)
      9   - CURLOPT_PROXY (3)
     10   - curl_easy_getinfo (3)
     11   - curl_easy_setopt (3)
     12 Protocol:
     13   - All
     14 Added-in: 8.7.0
     15 ---
     16 
     17 # NAME
     18 
     19 CURLINFO_USED_PROXY - whether the transfer used a proxy
     20 
     21 # SYNOPSIS
     22 
     23 ~~~c
     24 #include <curl/curl.h>
     25 
     26 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_USED_PROXY,
     27                            long *authp);
     28 ~~~
     29 
     30 # DESCRIPTION
     31 
     32 Pass a pointer to a long. It gets set to zero set if no proxy was used in the
     33 previous transfer or a non-zero value if a proxy was used.
     34 
     35 # %PROTOCOLS%
     36 
     37 # EXAMPLE
     38 
     39 ~~~c
     40 int main(int argc, char *argv[])
     41 {
     42   CURL *curl = curl_easy_init();
     43   if(curl) {
     44     CURLcode res;
     45     curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
     46     curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1:80");
     47     curl_easy_setopt(curl, CURLOPT_NOPROXY, "example.com");
     48 
     49     res = curl_easy_perform(curl);
     50 
     51     if(!res) {
     52       /* extract the available proxy authentication types */
     53       long used;
     54       res = curl_easy_getinfo(curl, CURLINFO_USED_PROXY, &used);
     55       if(!res) {
     56         printf("The proxy was %sused\n", used ? "": "NOT ");
     57       }
     58     }
     59     curl_easy_cleanup(curl);
     60   }
     61 }
     62 ~~~
     63 
     64 # %AVAILABILITY%
     65 
     66 # RETURN VALUE
     67 
     68 curl_easy_getinfo(3) returns a CURLcode indicating success or error.
     69 
     70 CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
     71 libcurl-errors(3).