76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config-util.h>
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#include <config.h>
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#include <grub/util/misc.h>
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#include <grub/mm.h>
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#include <grub/misc.h>
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#include <grub/emu/misc.h>
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#include <grub/emu/hostdisk.h>
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#include <grub/emu/getroot.h>
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#include <string.h>
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#include <dos/dos.h>
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#include <dos/filesystem.h>
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#include <dos/exall.h>
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#include <proto/dos.h>
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#include <proto/exec.h>
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#include <devices/trackdisk.h>
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char *
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grub_make_system_path_relative_to_its_root (const char *path)
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{
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char *p;
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unsigned char *tmp;
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char *ret;
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BPTR lck;
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if (path[0] == '/' && path[1] == '/' && path[2] == ':')
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return xstrdup (path);
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tmp = xmalloc (2048);
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lck = Lock ((const unsigned char *) path, SHARED_LOCK);
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if (!lck || !NameFromLock (lck, tmp, 2040))
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{
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free (tmp);
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tmp = (unsigned char *) xstrdup (path);
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}
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if (lck)
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UnLock (lck);
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p = strchr ((char *) tmp, ':');
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if (!p)
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return (char *) tmp;
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if (p[1] == '/' || p[1] == '\0')
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{
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ret = xstrdup (p + 1);
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}
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else
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{
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ret = xmalloc (strlen (p + 1) + 2);
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ret[0] = '/';
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strcpy (ret + 1, p + 1);
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}
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free (tmp);
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return ret;
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}
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