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2d0e9b40d3
The zoneid can be used with IPv6 numerical addresses. Updated test 1560 to verify. Closes #3834
115 lines
4.3 KiB
Groff
115 lines
4.3 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.TH curl_url_get 3 "6 Aug 2018" "libcurl" "libcurl Manual"
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.SH NAME
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curl_url_get - extract a part from a URL
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.nf
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CURLUcode curl_url_get(CURLU *url,
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CURLUPart what,
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char **part,
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unsigned int flags)
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.fi
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.SH DESCRIPTION
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Given the \fIurl\fP handle of an already parsed URL, this function lets the
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user extract individual pieces from it.
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The \fIwhat\fP argument should be the particular part to extract (see list
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below) and \fIpart\fP points to a 'char *' to get updated to point to a newly
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allocated string with the contents.
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The \fIflags\fP argument is a bitmask with individual features.
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The returned part pointer must be freed with \fIcurl_free(3)\fP after use.
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.SH FLAGS
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The flags argument is zero, one or more bits set in a bitmask.
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.IP CURLU_DEFAULT_PORT
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If the handle has no port stored, this option will make \fIcurl_url_get(3)\fP
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return the default port for the used scheme.
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.IP CURLU_DEFAULT_SCHEME
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If the handle has no scheme stored, this option will make
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\fIcurl_url_get(3)\fP return the default scheme instead of error.
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.IP CURLU_NO_DEFAULT_PORT
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Instructs \fIcurl_url_get(3)\fP to not return a port number if it matches the
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default port for the scheme.
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.IP CURLU_URLDECODE
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Asks \fIcurl_url_get(3)\fP to URL decode the contents before returning it. It
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will not attempt to decode the scheme, the port number or the full URL.
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The query component will also get plus-to-space conversion as a bonus when
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this bit is set.
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Note that this URL decoding is charset unaware and you will get a zero
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terminated string back with data that could be intended for a particular
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encoding.
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If there's any byte values lower than 32 in the decoded string, the get
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operation will return an error instead.
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.SH PARTS
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.IP CURLUPART_URL
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When asked to return the full URL, \fIcurl_url_get(3)\fP will return a
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normalized and possibly cleaned up version of what was previously parsed.
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.IP CURLUPART_SCHEME
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Scheme cannot be URL decoded on get.
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.IP CURLUPART_USER
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.IP CURLUPART_PASSWORD
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.IP CURLUPART_OPTIONS
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.IP CURLUPART_HOST
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If the host part is an IPv6 numeric address, the zoneid will not be part of
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the extracted host but is provided separately in \fICURLUPART_ZONEID\fP.
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.IP CURLUPART_ZONEID
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If the host name is a numeric IPv6 address, this field might also be set.
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.IP CURLUPART_PORT
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Port cannot be URL decoded on get.
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.IP CURLUPART_PATH
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.IP CURLUPART_QUERY
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The query part will also get pluses converted to space when asked to URL
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decode on get with the CURLU_URLDECODE bit.
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.IP CURLUPART_FRAGMENT
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.SH RETURN VALUE
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Returns a CURLUcode error value, which is CURLUE_OK (0) if everything went
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fine.
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If this function returns an error, no URL part is returned.
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.SH EXAMPLE
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.nf
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CURLUcode rc;
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CURLU *url = curl_url();
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rc = curl_url_set(url, CURLUPART_URL, "https://example.com", 0);
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if(!rc) {
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char *scheme;
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rc = curl_url_get(url, CURLUPART_SCHEME, &scheme, 0);
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if(!rc) {
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printf("the scheme is %s\\n", scheme);
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curl_free(scheme);
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}
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curl_url_cleanup(url);
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}
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.fi
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.SH AVAILABILITY
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Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
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.SH "SEE ALSO"
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.BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_set "(3), "
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.BR curl_url_dup "(3), "
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