dmake/dmake/os2/_chdir.c
2017-05-14 19:59:26 -05:00

60 lines
1.7 KiB
C

/* RCS -- $Header: /u2/dvadura/src/generic/dmake/src/os2/_chdir.c,v 1.1 1992/01/24 03:29:24 dvadura Exp $
-- SYNOPSIS -- Change directory.
--
-- DESCRIPTION
-- Under DOS change the current drive as well as the current directory.
--
-- AUTHOR
-- Dennis Vadura, dvadura@watdragon.uwaterloo.ca
-- CS DEPT, University of Waterloo, Waterloo, Ont., Canada
--
-- COPYRIGHT
-- Copyright (c) 1990 by Dennis Vadura. All rights reserved.
--
-- This program is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License
-- (version 1), as published by the Free Software Foundation, and
-- found in the file 'LICENSE' included with this distribution.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warrant of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
--
-- LOG
-- $Log: _chdir.c,v $
* Revision 1.1 1992/01/24 03:29:24 dvadura
* dmake Version 3.8, Initial revision
*
*/
#include <dos.h>
#include <os2.h>
#include "extern.h"
PUBLIC int
_chdir(path)
char *path;
{
int res;
res = chdir(path);
if (res == 0 && path[1] == ':')
#ifdef OS2
DosSelectDisk((*path & ~0x20) - '@');
#else
unsigned new_drive;
unsigned max_drives;
new_drive = (*path & ~0x20) - 'A' + 1;
_dos_setdrive(new_drive, &max_drives);
#endif
return (res);
}