curl-w32/packages/OS400/rpg-examples/SIMPLE1

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* Curl simple URL request
*
h DFTACTGRP(*NO) ACTGRP(*NEW)
h OPTION(*NOSHOWCPY)
h 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 example to request the URL given as command line parameter and
* output its response.
*
d pi
d url 120
*
d urllen s 10u 0 URL length
*
**************************************************************************
*
c eval urllen = trimmed_length(url: %len(url))
*
* Do the curl stuff.
*
c callp curl_global_init(CURL_GLOBAL_ALL)
c callp main
c callp curl_global_cleanup()
c seton lr Exit
*
**************************************************************************
* Main procedure: do the curl job.
**************************************************************************
*
p main b
d main pi
*
d h s * Easy handle
d result s like(CURLcode) Curl return code
d inz(CURLE_OUT_OF_MEMORY)
d errmsgp s * Error string pointer
d response s 52 For error display
*
* Create and fill curl handle.
*
c eval h = curl_easy_init()
c if h <> *NULL
c callp curl_easy_setopt_ccsid(h: CURLOPT_URL:
c %subst(url: 1: urllen): 0)
c callp curl_easy_setopt_long(h:
c CURLOPT_FOLLOWLOCATION: 1)
*
* Perform the request.
*
c eval result = curl_easy_perform(h)
c callp curl_easy_cleanup(h) Release handle
c endif
*
* Check for error and report if some.
*
c if result <> CURLE_OK
c eval errmsgp = curl_easy_strerror_ccsid(result: 0)
c eval response = %str(errmsgp)
c dsply response
c endif
p main e
*
**************************************************************************
* Get the length of right-trimmed string
**************************************************************************
*
p trimmed_length b
d trimmed_length pi 10u 0
d string 999999 const options(*varsize)
d length 10u 0 value
*
d len s 10u 0
*
c eval len = %scan(X'00': string: 1: length) Limit 0-terminated
c if len = 0
c eval len = length + 1
c endif
c if len <= 1
c return 0
c endif
c return %checkr(' ': string: len - 1) Trim right
p trimmed_length e