132 lines
5.2 KiB
Groff
132 lines
5.2 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 - 2018, 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_set 3 "6 Aug 2018" "libcurl" "libcurl Manual"
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.SH NAME
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curl_url_set - set a URL part
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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CURLUcode curl_url_set(CURLU *url,
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CURLUPart part,
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const char *content,
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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 set/update individual pieces of it.
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The \fIpart\fP argument should identify the particular URL part (see list
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below) to set or change, with \fIcontent\fP pointing to a zero terminated
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string with the new contents for that URL part. The contents should be in the
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form and encoding they'd use in a URL: URL encoded.
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Setting a part to a NULL pointer will effectively remove that part's contents
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from the CURLU handle.
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The \fIflags\fP argument is a bitmask with independent features.
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.SH PARTS
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.IP CURLUPART_URL
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Allows the full URL of the handle to be replaced. If the handle already is
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populated with a URL, the new URL can be relative to the previous.
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When successfully setting a new URL, relative or absolute, the handle contents
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will be replaced with the information of the newly set URL.
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Pass a pointer to a zero terminated string to the \fIurl\fP parameter. The
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string must point to a correctly formatted "RFC 3986+" URL or be a NULL
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pointer.
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.IP CURLUPART_SCHEME
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Scheme cannot be URL decoded on set.
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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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The host name can use IDNA. The string must then be encoded as your locale
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says or UTF-8 (when winidn is used).
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.IP CURLUPART_PORT
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Port cannot be URL encoded on set.
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.IP CURLUPART_PATH
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If a path is set in the URL without a leading slash, a slash will be inserted
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automatically when this URL is read from the handle.
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.IP CURLUPART_QUERY
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The query part will also get spaces converted to pluses when asked to URL
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encode on set with the CURLU_URLENCODE bit.
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If used together with the \fICURLU_APPENDQUERY\fP bit, the provided part will
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be appended on the end of the existing query - and if the previous part didn't
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end with an ampersand (&), an ampersand will be inserted before the new
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appended part.
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When \fICURLU_APPENDQUERY\fP is used together with \fICURLU_URLENCODE\fP, the
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first '=' symbol will not be URL encoded.
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The question mark in the URL is not part of the actual query contents.
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.IP CURLUPART_FRAGMENT
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The hash sign in the URL is not part of the actual fragment contents.
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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_NON_SUPPORT_SCHEME
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If set, allows \fIcurl_url_set(3)\fP to set a non-supported scheme.
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.IP CURLU_URLENCODE
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When set, \fIcurl_url_set(3)\fP URL encodes the part on entry, except for
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scheme, port and URL.
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When setting the path component with URL encoding enabled, the slash character
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will be skipped.
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The query part gets space-to-plus conversion before the URL conversion.
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This URL encoding is charset unaware and will convert the input on a
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byte-by-byte manner.
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.IP CURLU_DEFAULT_SCHEME
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If set, will make libcurl allow the URL to be set without a scheme and then
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sets that to the default scheme: HTTPS. Overrides the \fICURLU_GUESS_SCHEME\fP
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option if both are set.
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.IP CURLU_GUESS_SCHEME
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If set, will make libcurl allow the URL to be set without a scheme and it
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instead "guesses" which scheme that was intended based on the host name. If
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the outermost sub-domain name matches DICT, FTP, IMAP, LDAP, POP3 or SMTP then
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that scheme will be used, otherwise it picks HTTP. Conflicts with the
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\fICURLU_DEFAULT_SCHEME\fP option which takes precedence if both are set.
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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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/* change it to an FTP URL */
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rc = curl_url_set(url, CURLUPART_SCHEME, "ftp", 0);
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}
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curl_url_cleanup(url);
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.fi
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.SH AVAILABILITY
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Added in curl 7.62.0
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.SH "SEE ALSO"
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.BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_get "(3), "
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.BR curl_url_dup "(3), "
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