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* Curl simple URL request (free-format RPG)
*
ctl-opt dftactgrp(*NO) actgrp(*NEW)
option(*NOSHOWCPY)
bnddir('CURL');
*
**************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
* ANY KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
**************************************************************************
/include H,CURL.INC
* Simple free-format RPG program to request the URL given as command line
* parameter and output its response.
dcl-pi *N;
url char(120);
end-pi;
dcl-s urllen int(10); // URL length
**************************************************************************
urllen = trimmed_length(url: %len(url));
// Do the curl stuff.
curl_global_init(CURL_GLOBAL_ALL);
main();
curl_global_cleanup();
*inlr = *on; // Exit
**************************************************************************
* Main procedure: do the curl job.
**************************************************************************
dcl-proc main;
dcl-pi *N end-pi;
dcl-s h pointer; // Easy handle
dcl-s result like(CURLcode) inz(CURLE_OUT_OF_MEMORY); // Curl return code
dcl-s errmsgp pointer; // Error string pointer
dcl-s response char(52); // For error display
// Create and fill curl handle.
h = curl_easy_init();
if h <> *NULL;
curl_easy_setopt_ccsid(h: CURLOPT_URL: %subst(url: 1: urllen):
0);
curl_easy_setopt(h: CURLOPT_FOLLOWLOCATION: 1);
// Perform the request.
result = curl_easy_perform(h);
curl_easy_cleanup(h); // Release handle
endif;
// Check for error and report if some.
if result <> CURLE_OK;
errmsgp = curl_easy_strerror_ccsid(result: 0);
response = %str(errmsgp);
dsply '' '*EXT' response;
endif;
end-proc;
*
**************************************************************************
* Get the length of right-trimmed string
**************************************************************************
*
dcl-proc trimmed_length;
dcl-pi *N uns(10);
string char(9999999) const options(*varsize);
length uns(10) value;
end-pi;
dcl-s len uns(10);
len = %scan(X'00': string: 1: length); // Limit to zero-terminated string
if len = 0;
len = length + 1;
endif;
if len <= 1;
return 0;
endif;
return %checkr(' ': string: len - 1); // Trim right
end-proc;
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