cdesktopenv/cde/lib/DtSvc/DtCodelibs/stringio.C

61 lines
1.7 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 librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* File: stringio.C $XConsortium: stringio.C /main/5 1996/06/21 17:36:19 ageorge $
*
* (c) Copyright 1993, 1994 Hewlett-Packard Company
* (c) Copyright 1993, 1994 International Business Machines Corp.
* (c) Copyright 1993, 1994 Sun Microsystems, Inc.
* (c) Copyright 1993, 1994 Novell, Inc.
*/
#include <codelibs/nl_hack.h>
#include "stringio.h"
int
_StringIO::doit(register int commit)
{
register wchar_t ch;
register int cu = curr;
register char *ccp;
wchar_t __nlh_char[1];
for (; cu >= 0; cu--)
{
ccp = ptr[cu];
ch = ccp ? CHARAT(ccp) : '\0';
if (ch != '\0')
break;
}
if (commit)
{
old_curr = curr;
if ((curr = cu) >= 0)
{
old_ccp = (const char *)ccp;
ADVANCE(ccp);
ptr[curr] = ccp;
}
}
return ch;
}