2013-06-14 18:44:59 +00:00
|
|
|
/* cpio.c - cpio and tar filesystem. */
|
|
|
|
/*
|
|
|
|
* GRUB -- GRand Unified Bootloader
|
|
|
|
* Copyright (C) 2007,2008,2009,2013 Free Software Foundation, Inc.
|
|
|
|
*
|
|
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <grub/misc.h>
|
|
|
|
|
|
|
|
#define ALIGN_CPIO(x) (ALIGN_UP ((x), 4))
|
|
|
|
#define MAGIC "070701"
|
|
|
|
#define MAGIC2 "070702"
|
|
|
|
struct head
|
|
|
|
{
|
|
|
|
char magic[6];
|
|
|
|
char ino[8];
|
|
|
|
char mode[8];
|
|
|
|
char uid[8];
|
|
|
|
char gid[8];
|
|
|
|
char nlink[8];
|
|
|
|
char mtime[8];
|
|
|
|
char filesize[8];
|
|
|
|
char devmajor[8];
|
|
|
|
char devminor[8];
|
|
|
|
char rdevmajor[8];
|
|
|
|
char rdevminor[8];
|
|
|
|
char namesize[8];
|
|
|
|
char check[8];
|
2013-12-15 13:14:30 +00:00
|
|
|
} GRUB_PACKED;
|
2013-06-14 18:44:59 +00:00
|
|
|
|
|
|
|
static inline unsigned long long
|
|
|
|
read_number (const char *str, grub_size_t size)
|
|
|
|
{
|
|
|
|
unsigned long long ret = 0;
|
|
|
|
while (size-- && grub_isxdigit (*str))
|
|
|
|
{
|
|
|
|
char dig = *str++;
|
|
|
|
if (dig >= '0' && dig <= '9')
|
|
|
|
dig &= 0xf;
|
|
|
|
else if (dig >= 'a' && dig <= 'f')
|
|
|
|
dig -= 'a' - 10;
|
|
|
|
else
|
|
|
|
dig -= 'A' - 10;
|
|
|
|
ret = (ret << 4) | (dig);
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define FSNAME "newc"
|
|
|
|
|
|
|
|
#include "cpio_common.c"
|
|
|
|
|
|
|
|
GRUB_MOD_INIT (newc)
|
|
|
|
{
|
|
|
|
grub_fs_register (&grub_cpio_fs);
|
|
|
|
}
|
|
|
|
|
|
|
|
GRUB_MOD_FINI (newc)
|
|
|
|
{
|
|
|
|
grub_fs_unregister (&grub_cpio_fs);
|
|
|
|
}
|