Retro68/hfsutils/hcd.c

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2012-03-29 08:28:43 +00:00
/*
* hfsutils - tools for reading and writing Macintosh HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty 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.
*
* $Id: hcd.c,v 1.8 1998/11/02 22:08:30 rob Exp $
*/
# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include "hfs.h"
# include "hcwd.h"
# include "hfsutil.h"
# include "hcd.h"
/*
* NAME: hcd->main()
* DESCRIPTION: implement hcd command
*/
int hcd_main(int argc, char *argv[])
{
mountent *ment;
hfsvol *vol;
hfsvolent vent;
char *path, root[HFS_MAX_VLEN + 1 + 1];
int fargc;
char **fargv = 0;
int result = 0;
if (argc > 2)
{
fprintf(stderr, "Usage: %s [hfs-path]\n", argv0);
return 1;
}
vol = hfsutil_remount(ment = hcwd_getvol(-1), HFS_MODE_RDONLY);
if (vol == 0)
return 1;
if (argc == 2)
{
fargv = hfsutil_glob(vol, 1, &argv[1], &fargc, &result);
if (result == 0)
{
if (fargc != 1)
{
fprintf(stderr, "%s: %s: ambiguous path\n", argv0, argv[1]);
result = 1;
}
else
path = fargv[0];
}
}
else
{
hfs_vstat(vol, &vent);
strcpy(root, vent.name);
strcat(root, ":");
path = root;
}
if (result == 0)
{
if (hfs_chdir(vol, path) == -1)
{
hfsutil_perrorp(path);
result = 1;
}
else
{
path = hfsutil_getcwd(vol);
if (path == 0)
{
hfsutil_perror("Can't get new HFS directory path");
result = 1;
}
if (result == 0 && hcwd_setcwd(ment, path) == -1)
{
perror("Can't set new HFS directory");
result = 1;
}
if (path)
free(path);
}
}
hfsutil_unmount(vol, &result);
if (fargv)
free(fargv);
return result;
}