Attachment 45711 Details for Bug 104081

fdisk filesystem mac

fs_mac.patch (text/x-diff), 7.03 KB, created by Patrick Kirsch on 2005-08-11 11:31:02 UTC

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Creator: Patrick Kirsch

Created: 2005-08-11 11:31:02 UTC

Size: 7.03 KB

patch

obsolete

>--- util-linux-2.12q/fdisk/fdiskmaclabel.c
>+++ util-linux-2.12q/fdisk/fdiskmaclabel.c
>@@ -0,0 +1,87 @@
>+/*
>+  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
>+
>+
>+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 Linux cannot handle these\n"
>+	"\tdisks at the moment.  Nevertheless some\n"
>+	"\tadvice:\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( void )
>+{
>+    maclabel->magic = 0;
>+    mac_label = 0;
>+    partitions = 4;
>+    memset( MBRbuffer, 0, sizeof(MBRbuffer) );	/* avoid fdisk cores */
>+    return;
>+}
>+
>+int
>+check_mac_label( void )
>+{
>+	/*
>+	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:
>+			mac_label = 0;
>+  	 		 other_endian = 0;
>+			return 0;
>+
>+
>+	}
>+
>+    IS_MAC:
>+    other_endian = (maclabel->magic == MAC_LABEL_MAGIC_SWAPPED); // =?
>+    update_units();
>+    mac_label = 1;
>+    partitions= 1016; // =?
>+    volumes = 15;	// =?
>+    mac_info();
>+    mac_nolabel();		/* %% */
>+    mac_label = 1;		/* %% */
>+    return 1;
>+}
>--- util-linux-2.12q/fdisk/fdiskmaclabel.h
>+++ util-linux-2.12q/fdisk/fdiskmaclabel.h
>@@ -0,0 +1,40 @@
>+#include <linux/types.h>   /* for __u32 etc */
>+/*
>+ * Copyright (C) Andreas Neuper, Sep 1998.
>+ *	This file may be redistributed under
>+ *	the terms of the GNU Public License.
>+ */
>+
>+typedef struct {
>+	unsigned int  magic;        /* expect MAC_LABEL_MAGIC */
>+	unsigned int   fillbytes1[124];
>+	unsigned int   physical_volume_id;
>+	unsigned int   fillbytes2[124];
>+} mac_partition;
>+
>+#define	MAC_LABEL_MAGIC		0x45520000		// MAC magic number only 16bits, do i always know that there are 0200 following ? Problem, after magic   the uint16_t        res1; follows, i donnno know about the 200k	
>+#define	MAC_LABEL_MAGIC_2		0x50530000	
>+#define	MAC_LABEL_MAGIC_3		0x504d0000	
>+
>+
>+#define	MAC_LABEL_MAGIC_SWAPPED		0x00002554
>+
>+#define	MAC_LABEL_MAGIC_2_SWAPPED		0x00003505	
>+#define	MAC_LABEL_MAGIC_3_SWAPPED		0x0000d405	
>+
>+	
>+/* fdisk.c */
>+#define maclabel ((mac_partition *)MBRbuffer)
>+extern char MBRbuffer[MAX_SECTOR_SIZE];
>+extern char changed[MAXIMUM_PARTS];
>+extern unsigned int heads, sectors, cylinders;
>+extern int show_begin;
>+extern int mac_label;
>+extern char *partition_type(unsigned char type);
>+extern void update_units(void);
>+extern char read_chars(char *mesg);
>+
>+/* fdiskmaclabel.c */
>+extern struct	systypes mac_sys_types[];
>+extern void 	mac_nolabel( void );
>+extern int 	check_mac_label( void );
>--- util-linux-2.12q/fdisk/Makefile
>+++ util-linux-2.12q/fdisk/Makefile
>@@ -39,7 +39,7 @@
> endif
> endif
> 
>-cfdisk: cfdisk.o llseek.o disksize.o i386_sys_types.o $(LIB)/xstrncpy.o
>+cfdisk: cfdisk.o llseek.o disksize.o i386_sys_types.o $(LIB)/xstrncpy.o
> ifeq "$(HAVE_SLANG)" "yes"
> 	$(CC) $(LDFLAGS) $^ -o $@ $(LIBSLANG)
> else
>@@ -55,15 +55,17 @@
> 	rm -f activate
> 	ln -s sfdisk activate
> 
>-fdisk: fdisk.o llseek.o disksize.o fdiskbsdlabel.o fdisksgilabel.o \
>-	fdisksunlabel.o fdiskaixlabel.o i386_sys_types.o partname.o
>+fdisk: fdisk.o llseek.o disksize.o fdiskbsdlabel.o fdisksgilabel.o fdisksunlabel.o \
>+	fdiskmaclabel.o fdiskaixlabel.o i386_sys_types.o partname.o
> fdisk.o: fdisk.c fdisk.h
> fdiskbsdlabel.o: fdiskbsdlabel.c fdisk.h fdiskbsdlabel.h
> fdisksunlabel.o: fdisksunlabel.c fdisksunlabel.h fdisk.h
> fdiskaixlabel.o: fdiskaixlabel.c fdiskaixlabel.h fdisk.h
>+fdiskmaclabel.o: fdiskmaclabel.c fdiskmaclabel.h fdisk.h
>+
> fdisk.o cfdisk.o sfdisk.o fdiskbsdlabel.o fdisksunlabel.o \
>-	fdisksgilabel.o fdiskaixlabel.o i386_sys_types.o partname.o: common.h
>-sfdisk: sfdisk.o disksize.o i386_sys_types.o partname.o
>+	fdisksgilabel.o fdiskaixlabel.o fdiskmaclabel.o i386_sys_types.o partname.o: common.h
>+sfdisk: sfdisk.o disksize.o i386_sys_types.o partname.o
> 
> install: all
> 	$(INSTALLDIR) $(SBINDIR)
>--- util-linux-2.12q/fdisk/fdisk.c
>+++ util-linux-2.12q/fdisk/fdisk.c
>@@ -26,6 +26,7 @@
> #include "fdisksunlabel.h"
> #include "fdisksgilabel.h"
> #include "fdiskaixlabel.h"
>+#include "fdiskmaclabel.h"
> 
> #include "../defines.h"
> #ifdef HAVE_blkpg_h
>@@ -165,11 +166,12 @@
> 
> unsigned long long total_number_of_sectors;
> 
>-#define dos_label (!sun_label && !sgi_label && !aix_label && !osf_label)
>+#define dos_label (!sun_label && !sgi_label && !aix_label && !mac_label && !osf_label)
> int     sun_label = 0;                  /* looking at sun disklabel */
> int	sgi_label = 0;			/* looking at sgi disklabel */
> int	aix_label = 0;			/* looking at aix disklabel */
> int	osf_label = 0;			/* looking at OSF/1 disklabel */
>+int     mac_label = 0;                  /* looking at mac disklabel */
> int	possibly_osf_label = 0;
> 
> jmp_buf listingbuf;
>@@ -363,6 +365,10 @@
> 	   puts(_("   v   verify the partition table"));
> 	   puts(_("   w   write table to disk and exit"));
> 	}
>+	else if (mac_label) {
>+	   puts(_("no Commands available"));
>+		
>+	}
> 	else if (aix_label) {
> 	   puts(_("Command action"));
> 	   puts(_("   m   print this menu"));
>@@ -443,6 +449,9 @@
> 	   puts(_("   v   verify the partition table"));
> 	   puts(_("   w   write table to disk and exit"));
> 	}
>+	 else if (mac_label) {
>+	   puts(_("no Commands available"));
>+	}
> 	else {
> 	   puts(_("Command action"));
> 	   puts(_("   b   move beginning of data in a partition")); /* !sun */
>@@ -943,6 +952,9 @@
> 	if (check_aix_label())
> 		return 0;
> 
>+	if (check_mac_label())
>+		return 0;
>+
> 	if (check_osf_label()) {
> 		possibly_osf_label = 1;
> 		if (!valid_part_table_flag(MBRbuffer)) {
>@@ -2074,6 +2086,15 @@
> 			 "This will destroy the present disk contents.\n"));
> 		return;
> 	}
>+	
>+	if (mac_label) {
>+		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;
>+	}
> 
> 	for (i = 0; i < 4; i++)
> 		free_primary += !ptes[i].part_table->sys_ind;
>@@ -2404,7 +2425,11 @@
> 		if (gb > 0) { /* I/O error */
> 		} else if (gb < 0) { /* no DOS signature */
> 			list_disk_geometry();
>-			if (!aix_label && btrydev(device) < 0)
>+			if (aix_label)
>+				return;
>+			if (mac_label)
>+				return;
>+			if (btrydev(device) < 0) 
> 				fprintf(stderr,
> 					_("Disk %s doesn't contain a valid "
> 					  "partition table\n"), device);

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Attachments on bug 104081: 45711 | 48778