cdesktopenv/cde/programs/dthelp/parser/pass2/parser/ifdata.c

72 lines
2.0 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: ifdata.c /main/3 1995/11/08 10:53:18 rswiston $ */
/* Copyright 1988, 1989 Hewlett-Packard Co. */
/* Ifdata.c contains functions used by the interface to access the
single item of interface-determined data stored on the parse stack. */
#include <stdio.h>
#include "basic.h"
#include "trie.h"
#include "dtdext.h"
#include "parser.h"
/* Retrieve the interface data stored with the current element's nth parent */
void *m_getdata(n, flag)
int n ;
LOGICAL *flag ;
{
M_PARSE *stackptr ;
for (stackptr = m_stacktop ;
stackptr->oldtop && n >= 0 ;
stackptr = stackptr->oldtop, n--) {
if (! n) {
*flag = TRUE ;
return(stackptr->ifdata) ;
}
}
*flag = FALSE ;
return(NULL) ;
}
/* Store interface data for the current element's nth parent */
LOGICAL m_putdata(data, n)
void *data ;
int n ;
{
M_PARSE *stackptr ;
for (stackptr = m_stacktop ;
stackptr->oldtop && n >= 0 ;
stackptr = stackptr->oldtop, n--) {
if (! n) {
stackptr->ifdata = data ;
return(TRUE) ;
}
}
return(FALSE) ;
}