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/*
Changes:
Sat Mar 20 09:51:38 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Internationalization
*/
#include <stdio.h> /* stderr */
#include <string.h> /* strstr */
#include <unistd.h> /* write */
#include <endian.h>
#include "common.h"
#include "fdisk.h"
#include "fdiskmaclabel.h"
#include "nls.h"
#define MAC_BITMASK 0xffff0000
/*
* in-memory fdisk mac stuff
*/
struct fdisk_mac_label {
struct fdisk_label head; /* generic part */
};
static int other_endian = 0;
static short volumes=1;
/*
* only dealing with free blocks here
*/
static void
mac_info( void ) {
puts(
_("\n\tThere is a valid Mac label on this disk.\n"
"\tUnfortunately fdisk(1) cannot handle these disks.\n"
"\tUse either pdisk or parted to modify the partition table.\n"
"\tNevertheless some advice:\n"
"\t1. fdisk will destroy its contents on write.\n"
"\t2. Be sure that this disk is NOT a still vital\n"
"\t part of a volume group. (Otherwise you may\n"
"\t erase the other disks as well, if unmirrored.)\n")
);
}
void
mac_nolabel(struct fdisk_context *cxt)
{
struct mac_partition *maclabel = (struct mac_partition *) cxt->firstsector;
maclabel->magic = 0;
fdisk_zeroize_firstsector(cxt);
return;
}
static int
mac_probe_label(struct fdisk_context *cxt)
{
struct mac_partition *maclabel = (struct mac_partition *) cxt->firstsector;
/*
Conversion: only 16 bit should compared
e.g.: HFS Label is only 16bit long
*/
int magic_masked = 0 ;
magic_masked = maclabel->magic & MAC_BITMASK ;
switch (magic_masked) {
case MAC_LABEL_MAGIC :
case MAC_LABEL_MAGIC_2:
case MAC_LABEL_MAGIC_3:
goto IS_MAC;
break;
default:
other_endian = 0;
return 0;
}
IS_MAC:
other_endian = (maclabel->magic == MAC_LABEL_MAGIC_SWAPPED); // =?
volumes = 15; // =?
mac_info();
mac_nolabel(cxt); /* %% */
return 1;
}
static int mac_add_partition(
struct fdisk_context *cxt __attribute__ ((__unused__)),
size_t partnum __attribute__ ((__unused__)),
struct fdisk_parttype *t __attribute__ ((__unused__)))
{
printf(_("\tSorry - this fdisk cannot handle Mac disk labels."
"\n\tIf you want to add DOS-type partitions, create"
"\n\ta new empty DOS partition table first. (Use o.)"
"\n\tWARNING: "
"This will destroy the present disk contents.\n"));
return -ENOSYS;
}
static const struct fdisk_label_operations mac_operations =
{
.probe = mac_probe_label,
.part_add = mac_add_partition
};
/*
* allocates MAC label driver
*/
struct fdisk_label *fdisk_new_mac_label(struct fdisk_context *cxt)
{
struct fdisk_label *lb;
struct fdisk_mac_label *mac;
assert(cxt);
mac = calloc(1, sizeof(*mac));
if (!mac)
return NULL;
/* initialize generic part of the driver */
lb = (struct fdisk_label *) mac;
lb->name = "mac";
lb->id = FDISK_DISKLABEL_MAC;
lb->op = &mac_operations;
return lb;
}
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