1998-05-28 08:23:42 +04:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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1999-11-02 04:46:24 +03:00
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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1998-05-28 08:23:42 +04:00
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*
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1999-11-02 04:46:24 +03:00
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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1998-05-28 08:23:42 +04:00
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*
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1999-11-02 04:46:24 +03:00
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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1998-05-28 08:23:42 +04:00
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* Communications Corporation. Portions created by Netscape are
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1999-11-02 04:46:24 +03:00
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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1998-05-28 08:23:42 +04:00
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*/
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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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