mirror of https://github.com/sheumann/dmake.git
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* RCS -- $Header: /u2/dvadura/src/generic/dmake/src/msdos/_chdir.c,v 1.1 1992/01/24 03:27:24 dvadura Exp $
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-- SYNOPSIS -- Change directory.
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--
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-- DESCRIPTION
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-- Under DOS change the current drive as well as the current directory.
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--
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-- AUTHOR
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-- Dennis Vadura, dvadura@watdragon.uwaterloo.ca
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-- CS DEPT, University of Waterloo, Waterloo, Ont., Canada
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--
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-- COPYRIGHT
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-- Copyright (c) 1990 by Dennis Vadura. All rights reserved.
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--
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-- This program is free software; you can redistribute it and/or
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-- modify it under the terms of the GNU General Public License
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-- (version 1), as published by the Free Software Foundation, and
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-- found in the file 'LICENSE' included with this distribution.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warrant of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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--
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-- LOG
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-- $Log: _chdir.c,v $
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* Revision 1.1 1992/01/24 03:27:24 dvadura
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* dmake Version 3.8, Initial revision
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*
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*/
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#include <dos.h>
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#include "extern.h"
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PUBLIC int
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_chdir(path)
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char *path;
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{
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int res;
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res = chdir(path);
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#if defined(OS2)
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if (res != -1 && path[1] == ':') {
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unsigned new_drive;
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unsigned max_drives;
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/* for OS2 we must change drive without using intdos() */
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new_drive = (*path & ~0x20) - 'A' + 1;
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_dos_setdrive(new_drive, &max_drives);
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}
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#else
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if (res != -1 && path[1] == ':') {
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union REGS reg;
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/* we must change the logged drive, since the chdir worked. */
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reg.h.ah = 0x0E;
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reg.h.dl = (*path & ~0x20) - 'A';
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intdos(®, ®);
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}
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#endif /* OS2 */
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return (res);
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}
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