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-rw-r--r--util-linux/fdisk.c647
1 files changed, 330 insertions, 317 deletions
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 291be4b9b..4fecbbb89 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -7,19 +7,10 @@
* published by the Free Software Foundation: either version 1 or
* (at your option) any later version.
*
- * For detailed old history, see older versions.
- * Contributions before 2001 by faith@cs.unc.edu, Michael Bischoff,
- * LeBlanc@mcc.ac.uk, martin@cs.unc.edu, leisner@sdsp.mc.xerox.com,
- * esr@snark.thyrsus.com, aeb@cwi.nl, quinlan@yggdrasil.com,
- * fasten@cs.bonn.edu, orschaer@cip.informatik.uni-erlangen.de,
- * jj@sunsite.mff.cuni.cz, fasten@shw.com, ANeuper@GUUG.de,
- * kgw@suse.de, kalium@gmx.de, dhuggins@linuxcare.com,
- * michal@ellpspace.math.ualberta.ca and probably others.
- *
* Vladimir Oleynik <dzo@simtreas.ru> 2001,2002 Busybox port
*/
-#define UTIL_LINUX_VERSION "2.11z"
+#define UTIL_LINUX_VERSION "2.12pre"
#define PROC_PARTITIONS "/proc/partitions"
@@ -43,6 +34,7 @@
#include <sys/ioctl.h>
#include <sys/param.h>
+#include <sys/sysmacros.h> /* major */
#include <stdint.h> /* for uint32_t, uint16_t, uint8_t, int16_t, etc */
@@ -63,7 +55,7 @@
#define BLKGETSIZE _IO(0x12,96) /* return device size */
#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
#define BLKSSZGET _IO(0x12,104) /* get block device sector size */
-
+#define BLKGETSIZE64 _IOR(0x12,114,8) /* 8 = sizeof(u64) */
/*
fdisk.h
@@ -117,6 +109,9 @@ struct systypes {
const unsigned char *name;
};
+static uint sector_size = DEFAULT_SECTOR_SIZE,
+ user_set_sector_size,
+ sector_offset = 1;
/*
* Raw disk label. For DOS-type partition tables the MBR,
@@ -405,8 +400,11 @@ typedef struct {
/*
Changes:
- Sat Mar 20 09:51:38 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- Internationalization
+ * 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * Internationalization
+ *
+ * 2003-03-20 Phillip Kesling <pkesling@sgi.com>
+ * Some fixes
*/
static int aix_other_endian;
@@ -515,6 +513,9 @@ check_aix_label( void )
#elif defined (__alpha__) || defined (__powerpc__) || defined (__ia64__) || defined (__hppa__)
#define BSD_LABELSECTOR 0
#define BSD_LABELOFFSET 64
+#elif defined (__s390__) || defined (__s390x__)
+#define BSD_LABELSECTOR 1
+#define BSD_LABELOFFSET 0
#else
#error unknown architecture
#endif
@@ -830,6 +831,7 @@ typedef struct {
unsigned short csum; /* Label xor'd checksum */
} sun_partition;
+
#define SUN_LABEL_MAGIC 0xDABE
#define SUN_LABEL_MAGIC_SWAPPED 0xBEDA
#define sunlabel ((sun_partition *)MBRbuffer)
@@ -1216,7 +1218,8 @@ xbsd_create_disklabel (void) {
c = read_char (_("Do you want to create a disklabel? (y/n) "));
if (c == 'y' || c == 'Y') {
if (xbsd_initlabel (
-#if defined (__alpha__) || defined (__powerpc__) || defined (__hppa__)
+#if defined (__alpha__) || defined (__powerpc__) || defined (__hppa__) || \
+ defined (__s390__) || defined (__s390x__)
NULL, &xbsd_dlabel, 0
#else
xbsd_part, &xbsd_dlabel, xbsd_part_index
@@ -1557,7 +1560,7 @@ xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d)
static int
xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d)
{
- int sector;
+ unsigned int sector;
#if !defined (__alpha__) && !defined (__powerpc__) && !defined (__hppa__)
sector = get_start_sect(p) + BSD_LABELSECTOR;
@@ -1663,7 +1666,10 @@ __swap16(unsigned short x) {
static inline uint32_t
__swap32(uint32_t x) {
- return (((uint32_t)(x) & 0xFF) << 24) | (((uint32_t)(x) & 0xFF00) << 8) | (((uint32_t)(x) & 0xFF0000) >> 8) | (((uint32_t)(x) & 0xFF000000) >> 24);
+ return (((x & 0xFF) << 24) |
+ ((x & 0xFF00) << 8) |
+ ((x & 0xFF0000) >> 8) |
+ ((x & 0xFF000000) >> 24));
}
#endif
@@ -1689,40 +1695,39 @@ static short sgi_volumes=1;
* only dealing with free blocks here
*/
-typedef struct { int first; int last; } freeblocks;
+typedef struct { unsigned int first; unsigned int last; } freeblocks;
static freeblocks freelist[17]; /* 16 partitions can produce 17 vacant slots */
static void
-setfreelist( int i, int f, int l ) {
+setfreelist(int i, unsigned int f, unsigned int l) {
freelist[i].first = f;
freelist[i].last = l;
}
static void
-add2freelist( int f, int l ) {
+add2freelist(unsigned int f, unsigned int l) {
int i = 0;
- for( ; i<17 ; i++ ) {
- if(freelist[i].last==0) break;
- }
- setfreelist( i, f, l );
+ for ( ; i < 17 ; i++)
+ if (freelist[i].last == 0)
+ break;
+ setfreelist(i, f, l);
}
static void
clearfreelist(void) {
- int i = 0;
- for( ; i<17 ; i++ ) {
- setfreelist( i, 0, 0 );
- }
+ int i;
+
+ for (i = 0; i < 17 ; i++)
+ setfreelist(i, 0, 0);
}
-static int
-isinfreelist( int b ) {
- int i = 0;
- for( ; i<17 ; i++ ) {
- if (freelist[i].first <= b && freelist[i].last >= b) {
+static unsigned int
+isinfreelist(unsigned int b) {
+ int i;
+
+ for (i = 0; i < 17 ; i++)
+ if (freelist[i].first <= b && freelist[i].last >= b)
return freelist[i].last;
- }
- }
return 0;
}
/* return last vacant block of this stride (never 0). */
@@ -1764,11 +1769,6 @@ sgi_get_ntrks(void) {
return SGI_SSWAP16(sgilabel->devparam.ntrks);
}
-static int
-sgi_get_pcylcount(void) {
- return SGI_SSWAP16(sgilabel->devparam.pcylcount);
-}
-
static void
sgi_nolabel(void) {
sgilabel->magic = 0;
@@ -1777,13 +1777,13 @@ sgi_nolabel(void) {
}
static unsigned int
-two_s_complement_32bit_sum(unsigned int* base, int size /* in bytes */ ) {
+two_s_complement_32bit_sum(unsigned int* base, int size /* in bytes */) {
int i=0;
unsigned int sum=0;
- size = size / sizeof( unsigned int );
- for( i=0; i<size; i++ )
- sum = sum - SGI_SSWAP32(base[i]);
+ size /= sizeof(unsigned int);
+ for (i = 0; i < size; i++)
+ sum -= SGI_SSWAP32(base[i]);
return sum;
}
@@ -1807,15 +1807,10 @@ check_sgi_label(void) {
/*
* test for correct checksum
*/
- if( two_s_complement_32bit_sum( (unsigned int*)sgilabel,
- sizeof(*sgilabel) ) )
- {
- fprintf( stderr, _("Detected sgi disklabel with wrong checksum.\n"));
- } else
- {
- heads = sgi_get_ntrks();
- cylinders = sgi_get_pcylcount();
- sectors = sgi_get_nsect();
+ if (two_s_complement_32bit_sum((unsigned int*)sgilabel,
+ sizeof(*sgilabel))) {
+ fprintf(stderr,
+ _("Detected sgi disklabel with wrong checksum.\n"));
}
update_units();
sgi_label = 1;
@@ -1824,18 +1819,18 @@ check_sgi_label(void) {
return 1;
}
-static int
-sgi_get_start_sector( int i ) {
+static unsigned int
+sgi_get_start_sector(int i) {
return SGI_SSWAP32(sgilabel->partitions[i].start_sector);
}
-static int
-sgi_get_num_sectors( int i ) {
+static unsigned int
+sgi_get_num_sectors(int i) {
return SGI_SSWAP32(sgilabel->partitions[i].num_sectors);
}
static int
-sgi_get_sysid( int i )
+sgi_get_sysid(int i)
{
return SGI_SSWAP32(sgilabel->partitions[i].id);
}
@@ -1853,13 +1848,13 @@ sgi_get_swappartition(void)
}
static void
-sgi_list_table( int xtra ) {
+sgi_list_table(int xtra) {
int i, w;
int kpi = 0; /* kernel partition ID */
- w = strlen( disk_device );
+ w = strlen(disk_device);
- if( xtra ) {
+ if(xtra) {
printf(_("\nDisk %s (SGI disk label): %d heads, %d sectors\n"
"%d cylinders, %d physical cylinders\n"
"%d extra sects/cyl, interleave %d:1\n"
@@ -1901,14 +1896,13 @@ sgi_list_table( int xtra ) {
}
printf(_("----- Bootinfo -----\nBootfile: %s\n"
"----- Directory Entries -----\n"),
- sgilabel->boot_file );
- for (i = 0 ; i < sgi_volumes; i++)
- {
- if (sgilabel->directory[i].vol_file_size)
- {
+ sgilabel->boot_file);
+ for (i = 0 ; i < sgi_volumes; i++) {
+ if (sgilabel->directory[i].vol_file_size) {
uint32_t start = SGI_SSWAP32(sgilabel->directory[i].vol_file_start);
uint32_t len = SGI_SSWAP32(sgilabel->directory[i].vol_file_size);
char*name = sgilabel->directory[i].vol_file_name;
+
printf(_("%2d: %-10s sector%5u size%8u\n"),
i, name, (unsigned int) start, (unsigned int) len);
}
@@ -1921,7 +1915,7 @@ sgi_set_bootpartition( int i )
sgilabel->boot_part = SGI_SSWAP16(((short)i));
}
-static int
+static unsigned int
sgi_get_lastblock(void) {
return heads * sectors * cylinders;
}
@@ -1932,28 +1926,29 @@ sgi_set_swappartition( int i ) {
}
static int
-sgi_check_bootfile( const char* aFile ) {
- if( strlen( aFile ) < 3 ) /* "/a\n" is minimum */
- {
- printf( _("\nInvalid Bootfile!\n"
+sgi_check_bootfile(const char* aFile) {
+
+ if (strlen(aFile) < 3) /* "/a\n" is minimum */ {
+ printf(_("\nInvalid Bootfile!\n"
"\tThe bootfile must be an absolute non-zero pathname,\n"
- "\te.g. \"/unix\" or \"/unix.save\".\n") );
+ "\te.g. \"/unix\" or \"/unix.save\".\n"));
return 0;
- } else
- if( strlen( aFile ) > 16 )
- {
- printf( _("\n\tName of Bootfile too long: 16 bytes maximum.\n") );
+ } else {
+ if (strlen(aFile) > 16) {
+ printf(_("\n\tName of Bootfile too long: "
+ "16 bytes maximum.\n"));
return 0;
- } else
- if( aFile[0] != '/' )
- {
- printf( _("\n\tBootfile must have a fully qualified pathname.\n") );
+ } else {
+ if (aFile[0] != '/') {
+ printf(_("\n\tBootfile must have a "
+ "fully qualified pathname.\n"));
return 0;
}
- if( strncmp( aFile, sgilabel->boot_file, 16 ) )
- {
- printf( _("\n\tBe aware, that the bootfile is not checked for existence.\n\t"
- "SGI's default is \"/unix\" and for backup \"/unix.save\".\n") );
+ }
+ }
+ if (strncmp(aFile, sgilabel->boot_file, 16)) {
+ printf(_("\n\tBe aware, that the bootfile is not checked for existence.\n\t"
+ "SGI's default is \"/unix\" and for backup \"/unix.save\".\n"));
/* filename is correct and did change */
return 1;
}
@@ -1966,21 +1961,19 @@ sgi_get_bootfile(void) {
}
static void
-sgi_set_bootfile( const char* aFile )
-{
+sgi_set_bootfile(const char* aFile) {
int i = 0;
- if( sgi_check_bootfile( aFile ) )
- {
- while( i<16 )
- {
- if( (aFile[i] != '\n') /* in principle caught again by next line */
- && (strlen( aFile ) > i ) )
+
+ if (sgi_check_bootfile(aFile)) {
+ while (i < 16) {
+ if ((aFile[i] != '\n') /* in principle caught again by next line */
+ && (strlen(aFile) > i))
sgilabel->boot_file[i] = aFile[i];
else
sgilabel->boot_file[i] = 0;
i++;
}
- printf( _("\n\tBootfile is changed to \"%s\".\n"), sgilabel->boot_file );
+ printf(_("\n\tBootfile is changed to \"%s\".\n"), sgilabel->boot_file);
}
}
@@ -1988,200 +1981,179 @@ static void
create_sgiinfo(void)
{
/* I keep SGI's habit to write the sgilabel to the second block */
- sgilabel->directory[0].vol_file_start = SGI_SSWAP32( 2 );
- sgilabel->directory[0].vol_file_size = SGI_SSWAP32( sizeof( sgiinfo ) );
- strncpy( sgilabel->directory[0].vol_file_name, "sgilabel", 8 );
+ sgilabel->directory[0].vol_file_start = SGI_SSWAP32(2);
+ sgilabel->directory[0].vol_file_size = SGI_SSWAP32(sizeof(sgiinfo));
+ strncpy(sgilabel->directory[0].vol_file_name, "sgilabel", 8);
}
-static sgiinfo * fill_sgiinfo(void);
+static sgiinfo *fill_sgiinfo(void);
static void
-sgi_write_table(void)
-{
+sgi_write_table(void) {
sgilabel->csum = 0;
- sgilabel->csum = SGI_SSWAP32( two_s_complement_32bit_sum(
+ sgilabel->csum = SGI_SSWAP32(two_s_complement_32bit_sum(
(unsigned int*)sgilabel,
- sizeof(*sgilabel) ) );
- assert( two_s_complement_32bit_sum(
- (unsigned int*)sgilabel, sizeof(*sgilabel) ) == 0 );
- if( lseek(fd, 0, SEEK_SET) < 0 )
+ sizeof(*sgilabel)));
+ assert(two_s_complement_32bit_sum(
+ (unsigned int*)sgilabel, sizeof(*sgilabel)) == 0);
+ if (lseek(fd, 0, SEEK_SET) < 0)
fdisk_fatal(unable_to_seek);
- if( write(fd, sgilabel, SECTOR_SIZE) != SECTOR_SIZE )
+ if (write(fd, sgilabel, SECTOR_SIZE) != SECTOR_SIZE)
fdisk_fatal(unable_to_write);
- if( ! strncmp( sgilabel->directory[0].vol_file_name, "sgilabel",8 ) )
- {
+ if (! strncmp(sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
/*
- * keep this habbit of first writing the "sgilabel".
+ * keep this habit of first writing the "sgilabel".
* I never tested whether it works without (AN 981002).
*/
- sgiinfo*info = fill_sgiinfo(); /* fills the block appropriately */
- int infostartblock = SGI_SSWAP32( sgilabel->directory[0].vol_file_start );
- if( lseek(fd, (ext2_loff_t)infostartblock*
- SECTOR_SIZE, SEEK_SET) < 0 )
+ sgiinfo *info = fill_sgiinfo();
+ int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
+ if (lseek(fd, (long long)infostartblock*
+ SECTOR_SIZE, SEEK_SET) < 0)
fdisk_fatal(unable_to_seek);
- if( write(fd, info, SECTOR_SIZE) != SECTOR_SIZE )
+ if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
fdisk_fatal(unable_to_write);
- free( info );
+ free(info);
}
}
static int
-compare_start( int *x, int *y ) {
+compare_start(int *x, int *y) {
/*
* sort according to start sectors
* and prefers largest partition:
* entry zero is entire disk entry
*/
- int i = *x;
- int j = *y;
- int a = sgi_get_start_sector(i);
- int b = sgi_get_start_sector(j);
- int c = sgi_get_num_sectors(i);
- int d = sgi_get_num_sectors(j);
- if( a == b )
- {
- return( d - c );
- }
- return( a - b );
+ unsigned int i = *x;
+ unsigned int j = *y;
+ unsigned int a = sgi_get_start_sector(i);
+ unsigned int b = sgi_get_start_sector(j);
+ unsigned int c = sgi_get_num_sectors(i);
+ unsigned int d = sgi_get_num_sectors(j);
+
+ if (a == b)
+ return (d > c) ? 1 : (d == c) ? 0 : -1;
+ return (a > b) ? 1 : -1;
}
static int
-verify_sgi( int verbose )
+verify_sgi(int verbose)
{
int Index[16]; /* list of valid partitions */
int sortcount = 0; /* number of used partitions, i.e. non-zero lengths */
- int entire = 0, i = 0; /* local counters */
- int start = 0;
- int gap = 0; /* count unused blocks */
- int lastblock = sgi_get_lastblock();
- /*
- */
+ int entire = 0, i = 0;
+ unsigned int start = 0;
+ long long gap = 0; /* count unused blocks */
+ unsigned int lastblock = sgi_get_lastblock();
+
clearfreelist();
- for( i=0; i<16; i++ )
- {
- if( sgi_get_num_sectors(i)!=0 )
- {
+ for (i=0; i<16; i++) {
+ if (sgi_get_num_sectors(i) != 0) {
Index[sortcount++]=i;
- if( sgi_get_sysid(i) == ENTIRE_DISK )
- {
- if( entire++ == 1 )
- {
- if(verbose)
+ if (sgi_get_sysid(i) == ENTIRE_DISK) {
+ if (entire++ == 1) {
+ if (verbose)
printf(_("More than one entire disk entry present.\n"));
}
}
}
}
- if( sortcount == 0 )
- {
- if(verbose)
+ if (sortcount == 0) {
+ if (verbose)
printf(_("No partitions defined\n"));
- return lastblock;
+ return (lastblock > 0) ? 1 : (lastblock == 0) ? 0 : -1;
}
- qsort( Index, sortcount, sizeof(Index[0]), (void*)compare_start );
- if( sgi_get_sysid( Index[0] ) == ENTIRE_DISK )
- {
- if( ( Index[0] != 10 ) && verbose )
- printf( _("IRIX likes when Partition 11 covers the entire disk.\n") );
- if( ( sgi_get_start_sector( Index[0] ) != 0 ) && verbose )
- printf( _("The entire disk partition should start at block 0,\nnot "
- "at diskblock %d.\n"), sgi_get_start_sector(Index[0] ) );
- if(debug) /* I do not understand how some disks fulfil it */
- if( ( sgi_get_num_sectors( Index[0] ) != lastblock ) && verbose )
- printf( _("The entire disk partition is only %d diskblock large,\n"
+ qsort(Index, sortcount, sizeof(Index[0]), (void*)compare_start);
+ if (sgi_get_sysid(Index[0]) == ENTIRE_DISK) {
+ if ((Index[0] != 10) && verbose)
+ printf(_("IRIX likes when Partition 11 covers the entire disk.\n"));
+ if ((sgi_get_start_sector(Index[0]) != 0) && verbose)
+ printf(_("The entire disk partition should start "
+ "at block 0,\n"
+ "not at diskblock %d.\n"),
+ sgi_get_start_sector(Index[0]));
+ if (debug) /* I do not understand how some disks fulfil it */
+ if ((sgi_get_num_sectors(Index[0]) != lastblock) && verbose)
+ printf(_("The entire disk partition is only %d diskblock large,\n"
"but the disk is %d diskblocks long.\n"),
- sgi_get_num_sectors( Index[0] ), lastblock );
- lastblock = sgi_get_num_sectors( Index[0] );
- } else
- {
- if( verbose )
- printf( _("One Partition (#11) should cover the entire disk.\n") );
- if(debug>2)
- printf( "sysid=%d\tpartition=%d\n",
- sgi_get_sysid( Index[0] ), Index[0]+1 );
+ sgi_get_num_sectors(Index[0]), lastblock);
+ lastblock = sgi_get_num_sectors(Index[0]);
+ } else {
+ if (verbose)
+ printf(_("One Partition (#11) should cover the entire disk.\n"));
+ if (debug>2)
+ printf("sysid=%d\tpartition=%d\n",
+ sgi_get_sysid(Index[0]), Index[0]+1);
}
- for( i=1, start=0; i<sortcount; i++ )
- {
+ for (i=1, start=0; i<sortcount; i++) {
int cylsize = sgi_get_nsect() * sgi_get_ntrks();
- if( (sgi_get_start_sector( Index[i] ) % cylsize) != 0 )
- {
- if(debug) /* I do not understand how some disks fulfil it */
- if( verbose )
- printf( _("Partition %d does not start on cylinder boundary.\n"),
- Index[i]+1 );
- }
- if( sgi_get_num_sectors( Index[i] ) % cylsize != 0 )
- {
- if(debug) /* I do not understand how some disks fulfil it */
- if( verbose )
- printf( _("Partition %d does not end on cylinder boundary.\n"),
- Index[i]+1 );
+
+ if ((sgi_get_start_sector(Index[i]) % cylsize) != 0) {
+ if (debug) /* I do not understand how some disks fulfil it */
+ if (verbose)
+ printf(_("Partition %d does not start on cylinder boundary.\n"),
+ Index[i]+1);
+ }
+ if (sgi_get_num_sectors(Index[i]) % cylsize != 0) {
+ if (debug) /* I do not understand how some disks fulfil it */
+ if (verbose)
+ printf(_("Partition %d does not end on cylinder boundary.\n"),
+ Index[i]+1);
}
/* We cannot handle several "entire disk" entries. */
- if( sgi_get_sysid( Index[i] ) == ENTIRE_DISK ) continue;
- if( start > sgi_get_start_sector( Index[i] ) )
- {
- if( verbose )
- printf( _("The Partition %d and %d overlap by %d sectors.\n"),
+ if (sgi_get_sysid(Index[i]) == ENTIRE_DISK) continue;
+ if (start > sgi_get_start_sector(Index[i])) {
+ if (verbose)
+ printf(_("The Partition %d and %d overlap by %d sectors.\n"),
Index[i-1]+1, Index[i]+1,
- start - sgi_get_start_sector( Index[i] ) );
- if( gap > 0 ) gap = -gap;
- if( gap == 0 ) gap = -1;
- }
- if( start < sgi_get_start_sector( Index[i] ) )
- {
- if( verbose )
- printf( _("Unused gap of %8d sectors - sectors %8d-%d\n"),
- sgi_get_start_sector( Index[i] ) - start,
- start, sgi_get_start_sector( Index[i] )-1 );
- gap += sgi_get_start_sector( Index[i] ) - start;
- add2freelist( start, sgi_get_start_sector( Index[i] ) );
- }
- start = sgi_get_start_sector( Index[i] )
- + sgi_get_num_sectors( Index[i] );
- if(debug>1)
- {
- if( verbose )
- printf( "%2d:%12d\t%12d\t%12d\n", Index[i],
+ start - sgi_get_start_sector(Index[i]));
+ if (gap > 0) gap = -gap;
+ if (gap == 0) gap = -1;
+ }
+ if (start < sgi_get_start_sector(Index[i])) {
+ if (verbose)
+ printf(_("Unused gap of %8u sectors - sectors %8u-%u\n"),
+ sgi_get_start_sector(Index[i]) - start,
+ start, sgi_get_start_sector(Index[i])-1);
+ gap += sgi_get_start_sector(Index[i]) - start;
+ add2freelist(start, sgi_get_start_sector(Index[i]));
+ }
+ start = sgi_get_start_sector(Index[i])
+ + sgi_get_num_sectors(Index[i]);
+ if (debug > 1) {
+ if (verbose)
+ printf("%2d:%12d\t%12d\t%12d\n", Index[i],
sgi_get_start_sector(Index[i]),
sgi_get_num_sectors(Index[i]),
- sgi_get_sysid(Index[i]) );
+ sgi_get_sysid(Index[i]));
}
}
- if( ( start < lastblock ) )
- {
- if( verbose )
- printf( _("Unused gap of %8d sectors - sectors %8d-%d\n"),
- lastblock - start, start, lastblock-1 );
+ if (start < lastblock) {
+ if (verbose)
+ printf(_("Unused gap of %8u sectors - sectors %8u-%u\n"),
+ lastblock - start, start, lastblock-1);
gap += lastblock - start;
- add2freelist( start, lastblock );
+ add2freelist(start, lastblock);
}
/*
* Done with arithmetics
* Go for details now
*/
- if( verbose )
- {
- if( !sgi_get_num_sectors( sgi_get_bootpartition() ) )
- {
- printf( _("\nThe boot partition does not exist.\n") );
- }
- if( !sgi_get_num_sectors( sgi_get_swappartition() ) )
- {
- printf( _("\nThe swap partition does not exist.\n") );
- } else
- if( ( sgi_get_sysid( sgi_get_swappartition() ) != SGI_SWAP )
- && ( sgi_get_sysid( sgi_get_swappartition() ) != LINUX_SWAP ) )
- {
- printf( _("\nThe swap partition has no swap type.\n") );
+ if (verbose) {
+ if (!sgi_get_num_sectors(sgi_get_bootpartition())) {
+ printf(_("\nThe boot partition does not exist.\n"));
}
- if( sgi_check_bootfile( "/unix" ) )
- {
- printf( _("\tYou have chosen an unusual boot file name.\n") );
+ if (!sgi_get_num_sectors(sgi_get_swappartition())) {
+ printf(_("\nThe swap partition does not exist.\n"));
+ } else {
+ if ((sgi_get_sysid(sgi_get_swappartition()) != SGI_SWAP)
+ && (sgi_get_sysid(sgi_get_swappartition()) != LINUX_SWAP))
+ printf(_("\nThe swap partition has no swap type.\n"));
}
+ if (sgi_check_bootfile("/unix"))
+ printf(_("\tYou have chosen an unusual boot file name.\n"));
}
- return gap;
+ return (gap > 0) ? 1 : (gap == 0) ? 0 : -1;
}
static int
@@ -2221,32 +2193,32 @@ sgi_change_sysid( int i, int sys )
/* returns partition index of first entry marked as entire disk */
static int
sgi_entire(void) {
- int i=0;
- for( i=0; i<16; i++ )
- if( sgi_get_sysid(i) == SGI_VOLUME )
+ int i;
+
+ for(i=0; i<16; i++)
+ if(sgi_get_sysid(i) == SGI_VOLUME)
return i;
return -1;
}
static void
-sgi_set_partition( int i, uint start, uint length, int sys ) {
- sgilabel->partitions[i].id =
- SGI_SSWAP32( sys );
- sgilabel->partitions[i].num_sectors =
- SGI_SSWAP32( length );
- sgilabel->partitions[i].start_sector =
- SGI_SSWAP32( start );
+sgi_set_partition(int i, unsigned int start, unsigned int length, int sys) {
+
+ sgilabel->partitions[i].id = SGI_SSWAP32(sys);
+ sgilabel->partitions[i].num_sectors = SGI_SSWAP32(length);
+ sgilabel->partitions[i].start_sector = SGI_SSWAP32(start);
set_changed(i);
- if( sgi_gaps() < 0 ) /* rebuild freelist */
+ if (sgi_gaps() < 0) /* rebuild freelist */
printf(_("Do You know, You got a partition overlap on the disk?\n"));
}
static void
sgi_set_entire(void) {
int n;
- for( n=10; n<partitions; n++ ) {
- if(!sgi_get_num_sectors( n ) ) {
- sgi_set_partition( n, 0, sgi_get_lastblock(), SGI_VOLUME );
+
+ for(n=10; n < partitions; n++) {
+ if(!sgi_get_num_sectors(n) ) {
+ sgi_set_partition(n, 0, sgi_get_lastblock(), SGI_VOLUME);
break;
}
}
@@ -2283,34 +2255,28 @@ static void
sgi_add_partition( int n, int sys )
{
char mesg[256];
- int first=0, last=0;
+ unsigned int first=0, last=0;
if( n == 10 ) {
sys = SGI_VOLUME;
} else if ( n == 8 ) {
sys = 0;
}
- if( sgi_get_num_sectors(n) )
- {
+ if(sgi_get_num_sectors(n)) {
printf(_("Partition %d is already defined. Delete "
"it before re-adding it.\n"), n + 1);
return;
}
- if( (sgi_entire() == -1)
- && (sys != SGI_VOLUME) )
- {
+ if( (sgi_entire() == -1) && (sys != SGI_VOLUME) ) {
printf(_("Attempting to generate entire disk entry automatically.\n"));
sgi_set_entire();
sgi_set_volhdr();
}
- if( (sgi_gaps() == 0)
- && (sys != SGI_VOLUME) )
- {
+ if( (sgi_gaps() == 0) && (sys != SGI_VOLUME) ) {
printf(_("The entire disk is already covered with partitions.\n"));
return;
}
- if( sgi_gaps() < 0 )
- {
+ if(sgi_gaps() < 0) {
printf(_("You got a partition overlap on the disk. Fix it first!\n"));
return;
}
@@ -2354,48 +2320,62 @@ sgi_add_partition( int n, int sys )
sgi_set_partition( n, first, last-first, sys );
}
+#ifdef CONFIG_FEATURE_FDISK_ADVANCED
static void
create_sgilabel(void)
{
struct hd_geometry geometry;
- struct { int start;
- int nsect;
- int sysid; } old[4];
+ struct {
+ unsigned int start;
+ unsigned int nsect;
+ int sysid;
+ } old[4];
int i=0;
+ long longsectors; /* the number of sectors on the device */
+ int res; /* the result from the ioctl */
+ int sec_fac; /* the sector factor */
+
+ sec_fac = sector_size / 512; /* determine the sector factor */
+
fprintf( stderr,
_("Building a new SGI disklabel. Changes will remain in memory only,\n"
"until you decide to write them. After that, of course, the previous\n"
"content will be unrecoverably lost.\n\n"));
sgi_other_endian = (BYTE_ORDER == LITTLE_ENDIAN);
-
-#ifdef HDIO_REQ
- if (!ioctl(fd, HDIO_REQ, &geometry))
-#else
- if (!ioctl(fd, HDIO_GETGEO, &geometry))
-#endif
- {
+ res = ioctl(fd, BLKGETSIZE, &longsectors);
+ if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
heads = geometry.heads;
sectors = geometry.sectors;
+ if (res == 0) {
+ /* the get device size ioctl was successful */
+ cylinders = longsectors / (heads * sectors);
+ cylinders /= sec_fac;
+ } else {
+ /* otherwise print error and use truncated version */
cylinders = geometry.cylinders;
+ fprintf(stderr,
+ _("Warning: BLKGETSIZE ioctl failed on %s. "
+ "Using geometry cylinder value of %d.\n"
+ "This value may be truncated for devices"
+ " > 33.8 GB.\n"), disk_device, cylinders);
}
- for (i = 0; i < 4; i++)
- {
+ }
+ for (i = 0; i < 4; i++) {
old[i].sysid = 0;
- if( valid_part_table_flag(MBRbuffer) )
- {
- if( get_part_table(i)->sys_ind )
- {
+ if(valid_part_table_flag(MBRbuffer)) {
+ if(get_part_table(i)->sys_ind) {
old[i].sysid = get_part_table(i)->sys_ind;
- old[i].start = get_start_sect( get_part_table(i) );
- old[i].nsect = get_nr_sects( get_part_table(i) );
- printf( _("Trying to keep parameters of partition %d.\n"), i );
- if( debug )
- printf( _("ID=%02x\tSTART=%d\tLENGTH=%d\n"),
- old[i].sysid, old[i].start, old[i].nsect );
+ old[i].start = get_start_sect(get_part_table(i));
+ old[i].nsect = get_nr_sects(get_part_table(i));
+ printf(_("Trying to keep parameters of partition %d.\n"), i);
+ if (debug)
+ printf(_("ID=%02x\tSTART=%d\tLENGTH=%d\n"),
+ old[i].sysid, old[i].start, old[i].nsect);
}
}
}
+
memset(MBRbuffer, 0, sizeof(MBRbuffer));
sgilabel->magic = SGI_SSWAP32(SGI_LABEL_MAGIC);
sgilabel->boot_part = SGI_SSWAP16(0);
@@ -2438,11 +2418,9 @@ create_sgilabel(void)
sgi_volumes = 15;
sgi_set_entire();
sgi_set_volhdr();
- for (i = 0; i < 4; i++)
- {
- if( old[i].sysid )
- {
- sgi_set_partition( i, old[i].start, old[i].nsect, old[i].sysid );
+ for (i = 0; i < 4; i++) {
+ if(old[i].sysid) {
+ sgi_set_partition(i, old[i].start, old[i].nsect, old[i].sysid);
}
}
}
@@ -2452,14 +2430,16 @@ sgi_set_xcyl(void)
{
/* do nothing in the beginning */
}
+#endif /* CONFIG_FEATURE_FDISK_ADVANCED */
/* _____________________________________________________________
*/
-static sgiinfo*
+static sgiinfo *
fill_sgiinfo(void)
{
- sgiinfo*info=calloc( 1, sizeof(sgiinfo) );
+ sgiinfo *info = calloc(1, sizeof(sgiinfo));
+
info->magic=SGI_SSWAP32(SGI_INFO_MAGIC);
info->b1=SGI_SSWAP32(-1);
info->b2=SGI_SSWAP16(-1);
@@ -2498,6 +2478,7 @@ static int floppy;
#ifndef IDE1_MAJOR
#define IDE1_MAJOR 22
#endif
+
static void guess_device_type(void) {
struct stat bootstat;
@@ -2505,12 +2486,12 @@ static void guess_device_type(void) {
scsi_disk = 0;
floppy = 0;
} else if (S_ISBLK(bootstat.st_mode)
- && ((bootstat.st_rdev >> 8) == IDE0_MAJOR ||
- (bootstat.st_rdev >> 8) == IDE1_MAJOR)) {
+ && (major(bootstat.st_rdev) == IDE0_MAJOR ||
+ major(bootstat.st_rdev) == IDE1_MAJOR)) {
scsi_disk = 0;
floppy = 0;
} else if (S_ISBLK(bootstat.st_mode)
- && (bootstat.st_rdev >> 8) == FLOPPY_MAJOR) {
+ && major(bootstat.st_rdev) == FLOPPY_MAJOR) {
scsi_disk = 0;
floppy = 1;
} else {
@@ -2736,11 +2717,7 @@ static void create_sunlabel(void)
}
}
if (!p || floppy) {
-#ifdef HDIO_REQ
- if (!ioctl(fd, HDIO_REQ, &geometry)) {
-#else
if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
-#endif
heads = geometry.heads;
sectors = geometry.sectors;
cylinders = geometry.cylinders;
@@ -3046,15 +3023,16 @@ and is of type `Whole disk'\n");
static void
sun_delete_partition(int i) {
+ unsigned int nsec;
+
if (i == 2 && sunlabel->infos[i].id == WHOLE_DISK &&
!sunlabel->partitions[i].start_cylinder &&
- SUN_SSWAP32(sunlabel->partitions[i].num_sectors)
+ (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors))
== heads * sectors * cylinders)
printf(_("If you want to maintain SunOS/Solaris compatibility, "
"consider leaving this\n"
"partition as Whole disk (5), starting at 0, with %u "
- "sectors\n"),
- (uint) SUN_SSWAP32(sunlabel->partitions[i].num_sectors));
+ "sectors\n"), nsec);
sunlabel->infos[i].id = 0;
sunlabel->partitions[i].num_sectors = 0;
}
@@ -3132,6 +3110,8 @@ sun_list_table(int xtra) {
}
}
+#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+
static void
sun_set_alt_cyl(void) {
sunlabel->nacyl =
@@ -3171,6 +3151,7 @@ sun_set_pcylcount(void) {
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->pcylcount), 65535, 0,
_("Number of physical cylinders")));
}
+#endif /* CONFIG_FEATURE_FDISK_ADVANCED */
static void
sun_write_table(void) {
@@ -3368,11 +3349,8 @@ static uint pt_heads, pt_sectors;
static uint kern_heads, kern_sectors;
static uint extended_offset; /* offset of link pointers */
-static uint sector_size = DEFAULT_SECTOR_SIZE,
- user_set_sector_size,
- sector_offset = 1;
-static unsigned long total_number_of_sectors;
+static unsigned long long total_number_of_sectors;
static jmp_buf listingbuf;
@@ -3979,7 +3957,7 @@ get_partition_table_geometry(void) {
void
get_geometry(void) {
int sec_fac;
- unsigned long longsectors;
+ unsigned long long bytes; /* really u64 */
get_sectorsize();
sec_fac = sector_size / 512;
@@ -3999,20 +3977,25 @@ get_geometry(void) {
sectors = user_sectors ? user_sectors :
pt_sectors ? pt_sectors :
kern_sectors ? kern_sectors : 63;
+ if (ioctl(fd, BLKGETSIZE64, &bytes) == 0) {
+ /* got bytes */
+ } else {
+ unsigned long longsectors;
if (ioctl(fd, BLKGETSIZE, &longsectors))
longsectors = 0;
+ bytes = ((unsigned long long) longsectors) << 9;
+ }
+
+ total_number_of_sectors = (bytes >> 9);
sector_offset = 1;
if (dos_compatible_flag)
sector_offset = sectors;
- cylinders = longsectors / (heads * sectors);
- cylinders /= sec_fac;
+ cylinders = total_number_of_sectors / (heads * sectors * sec_fac);
if (!cylinders)
cylinders = user_cylinders;
-
- total_number_of_sectors = longsectors;
}
/*
@@ -4198,10 +4181,10 @@ read_int(uint low, uint dflt, uint high, uint base, char *mesg)
default_ok = 0;
if (default_ok)
- snprintf(ms, mslen, _("%s (%d-%d, default %d): "),
+ snprintf(ms, mslen, _("%s (%u-%u, default %u): "),
mesg, low, high, dflt);
else
- snprintf(ms, mslen, "%s (%d-%d): ",
+ snprintf(ms, mslen, "%s (%u-%u): ",
mesg, low, high);
while (1) {
@@ -4227,8 +4210,10 @@ read_int(uint low, uint dflt, uint high, uint base, char *mesg)
if (!display_in_cyl_units)
i *= heads * sectors;
break;
- case 'k':
case 'K':
+ absolute = 1024;
+ break;
+ case 'k':
absolute = 1000;
break;
case 'm':
@@ -4263,7 +4248,7 @@ read_int(uint low, uint dflt, uint high, uint base, char *mesg)
}
}
if (use_default)
- printf(_("Using default value %d\n"), i = dflt);
+ printf(_("Using default value %u\n"), i = dflt);
if (i >= low && i <= high)
break;
else
@@ -4466,7 +4451,18 @@ change_sysid(void) {
int i, sys, origsys;
struct partition *p;
+#ifdef CONFIG_FEATURE_SGI_LABEL
+ /* If sgi_label then don't use get_existing_partition,
+ let the user select a partition, since get_existing_partition()
+ only works for Linux like partition tables. */
+ if (!sgi_label) {
i = get_existing_partition(0, partitions);
+ } else {
+ i = get_partition(0, partitions);
+ }
+#else
+ i = get_existing_partition(0, partitions);
+#endif
if (i == -1)
return;
p = ptes[i].part_table;
@@ -4618,7 +4614,7 @@ static void check_consistency(const struct partition *p, int partition) {
static void
list_disk_geometry(void) {
- long long bytes = (long long) total_number_of_sectors * 512;
+ long long bytes = (total_number_of_sectors << 9);
long megabytes = bytes/1000000;
if (megabytes < 10000)
@@ -4630,7 +4626,7 @@ list_disk_geometry(void) {
printf(_("%d heads, %d sectors/track, %d cylinders"),
heads, sectors, cylinders);
if (units_per_sector == 1)
- printf(_(", total %lu sectors"),
+ printf(_(", total %llu sectors"),
total_number_of_sectors / (sector_size/512));
printf(_("\nUnits = %s of %d * %d = %d bytes\n\n"),
str_units(PLURAL),
@@ -4831,14 +4827,14 @@ list_table(int xtra) {
if (sector_size > 1024)
pblocks *= (sector_size / 1024);
printf(
- "%s %c %9ld %9ld %9ld%c %2x %s\n",
+ "%s %c %11lu %11lu %11lu%c %2x %s\n",
partname(disk_device, i+1, w+2),
/* boot flag */ !p->boot_ind ? ' ' : p->boot_ind == ACTIVE_FLAG
? '*' : '?',
-/* start */ (long) cround(get_partition_start(pe)),
-/* end */ (long) cround(get_partition_start(pe) + psects
+/* start */ (unsigned long) cround(get_partition_start(pe)),
+/* end */ (unsigned long) cround(get_partition_start(pe) + psects
- (psects ? 1 : 0)),
-/* odd flag on end */ (long) pblocks, podd ? '+' : ' ',
+/* odd flag on end */ (unsigned long) pblocks, podd ? '+' : ' ',
/* type id */ p->sys_ind,
/* type name */ partition_type(p->sys_ind));
check_consistency(p, i);
@@ -4867,7 +4863,7 @@ x_list_table(int extend) {
pe = &ptes[i];
p = (extend ? pe->ext_pointer : pe->part_table);
if (p != NULL) {
- printf("%2d %02x%4d%4d%5d%4d%4d%5d%9d%9d %02x\n",
+ printf("%2d %02x%4d%4d%5d%4d%4d%5d%11u%11u %02x\n",
i + 1, p->boot_ind, p->head,
sector(p->sector),
cylinder(p->sector, p->cyl), p->end_head,
@@ -5007,6 +5003,7 @@ add_partition(int n, int sys) {
int i, readed = 0;
struct partition *p = ptes[n].part_table;
struct partition *q = ptes[ext_index].part_table;
+ long long llimit;
uint start, stop = 0, limit, temp,
first[partitions], last[partitions];
@@ -5018,10 +5015,13 @@ add_partition(int n, int sys) {
fill_bounds(first, last);
if (n < 4) {
start = sector_offset;
- if (display_in_cyl_units)
- limit = heads * sectors * cylinders - 1;
+ if (display_in_cyl_units || !total_number_of_sectors)
+ llimit = heads * sectors * cylinders - 1;
else
- limit = total_number_of_sectors - 1;
+ llimit = total_number_of_sectors - 1;
+ limit = llimit;
+ if (limit != llimit)
+ limit = 0x7fffffff;
if (extended_offset) {
first[ext_index] = extended_offset;
last[ext_index] = get_start_sect(q) +
@@ -5792,7 +5792,20 @@ int fdisk_main(int argc, char **argv) {
break;
case 'd':
{
- int j = get_existing_partition(1, partitions);
+ int j;
+#ifdef CONFIG_FEATURE_SGI_LABEL
+ /* If sgi_label then don't use get_existing_partition,
+ let the user select a partition, since
+ get_existing_partition() only works for Linux-like
+ partition tables */
+ if (!sgi_label) {
+ j = get_existing_partition(1, partitions);
+ } else {
+ j = get_partition(1, partitions);
+ }
+#else
+ j = get_existing_partition(1, partitions);
+#endif
if (j >= 0)
delete_partition(j);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 00:50:13 +0000