| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2013 Free Software Foundation, Inc. |
| * |
| * GRUB 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 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config-util.h> |
| #include <config.h> |
| |
| #include <grub/util/misc.h> |
| |
| #include <grub/mm.h> |
| #include <grub/misc.h> |
| #include <grub/emu/misc.h> |
| #include <grub/emu/hostdisk.h> |
| #include <grub/emu/getroot.h> |
| |
| #include <string.h> |
| #include <dos/dos.h> |
| #include <dos/filesystem.h> |
| #include <dos/exall.h> |
| #include <proto/dos.h> |
| #include <proto/exec.h> |
| #include <devices/trackdisk.h> |
| |
| char * |
| grub_make_system_path_relative_to_its_root (const char *path) |
| { |
| char *p; |
| unsigned char *tmp; |
| char *ret; |
| BPTR lck; |
| |
| if (path[0] == '/' && path[1] == '/' && path[2] == ':') |
| return xstrdup (path); |
| |
| tmp = xmalloc (2048); |
| |
| lck = Lock ((const unsigned char *) path, SHARED_LOCK); |
| if (!lck || !NameFromLock (lck, tmp, 2040)) |
| { |
| free (tmp); |
| tmp = (unsigned char *) xstrdup (path); |
| } |
| if (lck) |
| UnLock (lck); |
| p = strchr ((char *) tmp, ':'); |
| if (!p) |
| return (char *) tmp; |
| if (p[1] == '/' || p[1] == '\0') |
| { |
| ret = xstrdup (p + 1); |
| } |
| else |
| { |
| ret = xmalloc (strlen (p + 1) + 2); |
| ret[0] = '/'; |
| strcpy (ret + 1, p + 1); |
| } |
| |
| free (tmp); |
| return ret; |
| } |