cdesktopenv/cde/programs/dthelp/parser/pass2/util/trierset.c

59 lines
1.8 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: trierset.c /main/3 1995/11/08 11:09:04 rswiston $ */
/*
Copyright 1988, 1989 Hewlett-Packard Co.
*/
#include <stdio.h>
#include "basic.h"
#include "common.h"
#include "trie.h"
extern M_CHARTYPE m_ctarray[M_CHARSETLEN] ;
/* Changes the value associated with an entry in a trie. */
void *m_resettrie(M_TRIE *xtrie, M_WCHAR *p, void *value)
{
M_TRIE *currentnode ;
currentnode = xtrie->data ;
while (TRUE) {
if (! currentnode) return(FALSE) ;
if ((int) currentnode->symbol == m_ctupper(*p))
if (! *p) return((void *)(currentnode->data = (M_TRIE *) value)) ;
else {
p++ ;
currentnode = currentnode->data ;
continue ;
}
else if (currentnode->symbol < *p) {
currentnode = currentnode->next ;
continue ;
}
else return(NULL) ;
}
}