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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* LIBLDAP unescape.c -- LDAP URL un-escape routines
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* We also tolerate URLs that look like: <ldapurl> and <URL:ldapurl>
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*/
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#include "ldap-int.h"
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static int unhex( char c );
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void
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nsldapi_hex_unescape( char *s )
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{
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/*
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* Remove URL hex escapes from s... done in place. The basic concept for
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* this routine is borrowed from the WWW library HTUnEscape() routine.
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*/
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char *p;
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for ( p = s; *s != '\0'; ++s ) {
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if ( *s == '%' ) {
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if ( *++s != '\0' ) {
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*p = unhex( *s ) << 4;
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}
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if ( *++s != '\0' ) {
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*p++ += unhex( *s );
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}
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} else {
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*p++ = *s;
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}
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}
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*p = '\0';
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}
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static int
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unhex( char c )
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{
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return( c >= '0' && c <= '9' ? c - '0'
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: c >= 'A' && c <= 'F' ? c - 'A' + 10
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: c - 'a' + 10 );
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}
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