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-rw-r--r--util-linux/fdisk.c350
1 files changed, 165 insertions, 185 deletions
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 07dac8bad..c226d6a00 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -11,6 +11,12 @@
#include "busybox.h"
#define _(x) x
+/* Looks like someone forgot to add this to config system */
+#ifndef ENABLE_FEATURE_FDISK_BLKSIZE
+# define ENABLE_FEATURE_FDISK_BLKSIZE 0
+# define USE_FEATURE_FDISK_BLKSIZE(a)
+#endif
+
#define DEFAULT_SECTOR_SIZE 512
#define MAX_SECTOR_SIZE 2048
#define SECTOR_SIZE 512 /* still used in osf/sgi/sun code */
@@ -48,9 +54,9 @@ struct systypes {
const char *name;
};
-static uint sector_size = DEFAULT_SECTOR_SIZE;
-static uint user_set_sector_size;
-static uint sector_offset = 1;
+static unsigned sector_size = DEFAULT_SECTOR_SIZE;
+static unsigned user_set_sector_size;
+static unsigned sector_offset = 1;
/*
* Raw disk label. For DOS-type partition tables the MBR,
@@ -62,11 +68,11 @@ static char MBRbuffer[MAX_SECTOR_SIZE];
# define MBRbuffer bb_common_bufsiz1
#endif
-#ifdef CONFIG_FEATURE_OSF_LABEL
+#if ENABLE_FEATURE_OSF_LABEL
static int possibly_osf_label;
#endif
-static uint heads, sectors, cylinders;
+static unsigned heads, sectors, cylinders;
static void update_units(void);
@@ -132,7 +138,7 @@ enum label_type {
};
#define LABEL_IS_DOS (label_dos == current_label_type)
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
#define LABEL_IS_SUN (label_sun == current_label_type)
#define STATIC_SUN static
#else
@@ -140,7 +146,7 @@ enum label_type {
#define STATIC_SUN extern
#endif
-#ifdef CONFIG_FEATURE_SGI_LABEL
+#if ENABLE_FEATURE_SGI_LABEL
#define LABEL_IS_SGI (label_sgi == current_label_type)
#define STATIC_SGI static
#else
@@ -148,7 +154,7 @@ enum label_type {
#define STATIC_SGI extern
#endif
-#ifdef CONFIG_FEATURE_AIX_LABEL
+#if ENABLE_FEATURE_AIX_LABEL
#define LABEL_IS_AIX (label_aix == current_label_type)
#define STATIC_AIX static
#else
@@ -156,7 +162,7 @@ enum label_type {
#define STATIC_AIX extern
#endif
-#ifdef CONFIG_FEATURE_OSF_LABEL
+#if ENABLE_FEATURE_OSF_LABEL
#define LABEL_IS_OSF (label_osf == current_label_type)
#define STATIC_OSF static
#else
@@ -171,15 +177,15 @@ static enum label_type current_label_type;
static const char *disk_device;
static int fd; /* the disk */
static int partitions = 4; /* maximum partition + 1 */
-static uint display_in_cyl_units = 1;
-static uint units_per_sector = 1;
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+static int display_in_cyl_units = 1;
+static unsigned units_per_sector = 1;
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void change_units(void);
static void reread_partition_table(int leave);
static void delete_partition(int i);
static int get_partition(int warn, int max);
static void list_types(const struct systypes *sys);
-static uint read_int(uint low, uint dflt, uint high, uint base, char *mesg);
+static unsigned read_int(unsigned low, unsigned dflt, unsigned high, unsigned base, char *mesg);
#endif
static const char *partition_type(unsigned char type);
static void fdisk_fatal(enum failure why) ATTRIBUTE_NORETURN;
@@ -228,7 +234,7 @@ static int32_t get_nr_sects(const struct partition *p);
static struct pte {
struct partition *part_table; /* points into sectorbuffer */
struct partition *ext_pointer; /* points into sectorbuffer */
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
char changed; /* boolean */
#endif
off_t offset; /* disk sector number */
@@ -236,7 +242,7 @@ static struct pte {
} ptes[MAXIMUM_PARTS];
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
set_all_unchanged(void)
{
@@ -246,14 +252,14 @@ set_all_unchanged(void)
ptes[i].changed = 0;
}
-static void
+extern inline void
set_changed(int i)
{
ptes[i].changed = 1;
}
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
-static inline struct partition *
+extern inline struct partition *
get_part_table(int i)
{
return ptes[i].part_table;
@@ -271,11 +277,17 @@ str_units(int n)
static int
valid_part_table_flag(const char *mbuffer)
{
- const unsigned char *b = (const unsigned char *)mbuffer;
- return (b[510] == 0x55 && b[511] == 0xaa);
+ return (mbuffer[510] == 0x55 && (uint8_t)mbuffer[511] == 0xaa);
+}
+
+#if ENABLE_FEATURE_FDISK_WRITABLE
+extern inline void
+write_part_table_flag(char *b)
+{
+ b[510] = 0x55;
+ b[511] = 0xaa;
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static char line_buffer[LINE_LENGTH];
static char *line_ptr;
@@ -396,7 +408,7 @@ __swap32(uint32_t x)
#endif
STATIC_SGI const struct systypes sgi_sys_types[];
-STATIC_SGI unsigned int sgi_get_num_sectors(int i);
+STATIC_SGI unsigned sgi_get_num_sectors(int i);
STATIC_SGI int sgi_get_sysid(int i);
STATIC_SGI void sgi_delete_partition(int i);
STATIC_SGI void sgi_change_sysid(int i, int sys);
@@ -483,7 +495,7 @@ static const struct systypes i386_sys_types[] = {
{ "\xfd" "Linux raid autodetect" },/* New (2.2.x) raid partition with
autodetect using persistent
superblock */
-#ifdef CONFIG_WEIRD_PARTITION_TYPES
+#if 0 /* ENABLE_WEIRD_PARTITION_TYPES */
{ "\x02" "XENIX root" },
{ "\x03" "XENIX usr" },
{ "\x08" "AIX" }, /* AIX boot (AIX -- PS/2 port) or SplitDrive */
@@ -536,44 +548,28 @@ static const struct systypes i386_sys_types[] = {
};
-/* A valid partition table sector ends in 0x55 0xaa */
-static unsigned int
-part_table_flag(const char *b)
-{
- return ((uint) b[510]) + (((uint) b[511]) << 8);
-}
-
-
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
-static void
-write_part_table_flag(char *b)
-{
- b[510] = 0x55;
- b[511] = 0xaa;
-}
-
+#if ENABLE_FEATURE_FDISK_WRITABLE
/* start_sect and nr_sects are stored little endian on all machines */
/* moreover, they are not aligned correctly */
static void
-store4_little_endian(unsigned char *cp, unsigned int val)
+store4_little_endian(unsigned char *cp, unsigned val)
{
- cp[0] = (val & 0xff);
- cp[1] = ((val >> 8) & 0xff);
- cp[2] = ((val >> 16) & 0xff);
- cp[3] = ((val >> 24) & 0xff);
+ cp[0] = val;
+ cp[1] = val >> 8;
+ cp[2] = val >> 16;
+ cp[3] = val >> 24;
}
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
-static unsigned int
+static unsigned
read4_little_endian(const unsigned char *cp)
{
- return (uint)(cp[0]) + ((uint)(cp[1]) << 8)
- + ((uint)(cp[2]) << 16) + ((uint)(cp[3]) << 24);
+ return cp[0] + (cp[1] << 8) + (cp[2] << 16) + (cp[3] << 24);
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
-set_start_sect(struct partition *p, unsigned int start_sect)
+set_start_sect(struct partition *p, unsigned start_sect)
{
store4_little_endian(p->start4, start_sect);
}
@@ -585,7 +581,7 @@ get_start_sect(const struct partition *p)
return read4_little_endian(p->start4);
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
set_nr_sects(struct partition *p, int32_t nr_sects)
{
@@ -606,16 +602,16 @@ static int type_open = O_RDWR;
static int ext_index; /* the prime extended partition */
static int listing; /* no aborts for fdisk -l */
static int dos_compatible_flag = ~0;
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static int dos_changed;
static int nowarn; /* no warnings for fdisk -l/-s */
#endif
-static uint user_cylinders, user_heads, user_sectors;
-static uint pt_heads, pt_sectors;
-static uint kern_heads, kern_sectors;
+static unsigned user_cylinders, user_heads, user_sectors;
+static unsigned pt_heads, pt_sectors;
+static unsigned kern_heads, kern_sectors;
static off_t extended_offset; /* offset of link pointers */
@@ -664,7 +660,7 @@ seek_sector(off_t secno)
fdisk_fatal(unable_to_seek);
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
write_sector(off_t secno, char *buf)
{
@@ -683,19 +679,19 @@ read_pte(struct pte *pe, off_t offset)
seek_sector(offset);
if (read(fd, pe->sectorbuffer, sector_size) != sector_size)
fdisk_fatal(unable_to_read);
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
pe->changed = 0;
#endif
pe->part_table = pe->ext_pointer = NULL;
}
-static unsigned int
+static unsigned
get_partition_start(const struct pte *pe)
{
return pe->offset + get_start_sect(pe->part_table);
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
/*
* Avoid warning about DOS partitions when no DOS partition was changed.
* Here a heuristic "is probably dos partition".
@@ -732,7 +728,7 @@ menu(void)
puts(_("\tu\tchange display/entry units"));
puts(_("\tv\tverify the partition table"));
puts(_("\tw\twrite table to disk and exit"));
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
puts(_("\tx\textra functionality (experts only)"));
#endif
} else
@@ -778,7 +774,7 @@ menu(void)
puts(_("\tu\tchange display/entry units"));
puts(_("\tv\tverify the partition table"));
puts(_("\tw\twrite table to disk and exit"));
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
puts(_("\tx\textra functionality (experts only)"));
#endif
}
@@ -786,7 +782,7 @@ menu(void)
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
static void
xmenu(void)
{
@@ -846,7 +842,7 @@ xmenu(void)
puts(_("\td\tprint the raw data in the partition table"));
puts(_("\te\tlist extended partitions")); /* !sun */
puts(_("\tf\tfix partition order")); /* !sun, !aix, !sgi */
-#ifdef CONFIG_FEATURE_SGI_LABEL
+#if ENABLE_FEATURE_SGI_LABEL
puts(_("\tg\tcreate an IRIX (SGI) partition table"));/* sgi */
#endif
puts(_("\th\tchange number of heads"));
@@ -861,7 +857,7 @@ xmenu(void)
}
#endif /* ADVANCED mode */
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static const struct systypes *
get_sys_types(void)
{
@@ -887,7 +883,7 @@ static const char *partition_type(unsigned char type)
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static int
get_sysid(int i)
{
@@ -898,7 +894,7 @@ get_sysid(int i)
void list_types(const struct systypes *sys)
{
- uint last[4], done = 0, next = 0, size;
+ unsigned last[4], done = 0, next = 0, size;
int i;
for (i = 0; sys[i].name; i++);
@@ -938,7 +934,7 @@ clear_partition(struct partition *p)
memset(p, 0, sizeof(struct partition));
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
set_partition(int i, int doext, off_t start, off_t stop, int sysid)
{
@@ -996,7 +992,7 @@ warn_geometry(void)
return 0;
printf("%s%s.\n"
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
"You can do this from the extra functions menu.\n"
#endif
, prev ? _(" and ") : " ", m);
@@ -1014,7 +1010,7 @@ static void update_units(void)
units_per_sector = 1; /* in sectors */
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
warn_cylinders(void)
{
@@ -1055,7 +1051,7 @@ read_extended(int ext)
this program uses arrays of size MAXIMUM_PARTS.
Do not try to 'improve' this test. */
struct pte *pre = &ptes[partitions-1];
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
printf(_("Warning: deleting partitions after %d\n"),
partitions);
pre->changed = 1;
@@ -1106,7 +1102,7 @@ read_extended(int ext)
partitions++;
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
/* remove empty links */
remove:
for (i = 4; i < partitions; i++) {
@@ -1122,7 +1118,7 @@ read_extended(int ext)
#endif
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
create_doslabel(void)
{
@@ -1135,7 +1131,7 @@ create_doslabel(void)
current_label_type = label_dos;
-#ifdef CONFIG_FEATURE_OSF_LABEL
+#if ENABLE_FEATURE_OSF_LABEL
possibly_osf_label = 0;
#endif
partitions = 4;
@@ -1216,7 +1212,7 @@ get_geometry(void)
get_sectorsize();
sec_fac = sector_size / 512;
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
guess_device_type();
#endif
heads = cylinders = sectors = 0;
@@ -1273,19 +1269,19 @@ get_boot(enum action what)
pe->ext_pointer = NULL;
pe->offset = 0;
pe->sectorbuffer = MBRbuffer;
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
pe->changed = (what == create_empty_dos);
#endif
}
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
if (what == create_empty_sun && check_sun_label())
return 0;
#endif
memset(MBRbuffer, 0, 512);
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
if (what == create_empty_dos)
goto got_dos_table; /* skip reading disk */
@@ -1315,22 +1311,22 @@ get_boot(enum action what)
update_units();
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
if (check_sun_label())
return 0;
#endif
-#ifdef CONFIG_FEATURE_SGI_LABEL
+#if ENABLE_FEATURE_SGI_LABEL
if (check_sgi_label())
return 0;
#endif
-#ifdef CONFIG_FEATURE_AIX_LABEL
+#if ENABLE_FEATURE_AIX_LABEL
if (check_aix_label())
return 0;
#endif
-#ifdef CONFIG_FEATURE_OSF_LABEL
+#if ENABLE_FEATURE_OSF_LABEL
if (check_osf_label()) {
possibly_osf_label = 1;
if (!valid_part_table_flag(MBRbuffer)) {
@@ -1342,7 +1338,7 @@ get_boot(enum action what)
}
#endif
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
got_dos_table:
#endif
@@ -1356,7 +1352,7 @@ get_boot(enum action what)
"partition table, nor Sun, SGI or OSF "
"disklabel\n"));
#ifdef __sparc__
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
create_sunlabel();
#endif
#else
@@ -1366,7 +1362,7 @@ get_boot(enum action what)
case try_only:
return -1;
case create_empty_dos:
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
case create_empty_sun:
#endif
break;
@@ -1376,7 +1372,7 @@ get_boot(enum action what)
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
warn_cylinders();
#endif
warn_geometry();
@@ -1397,10 +1393,12 @@ get_boot(enum action what)
struct pte *pe = &ptes[i];
if (!valid_part_table_flag(pe->sectorbuffer)) {
- printf(_("Warning: invalid flag 0x%04x of partition "
+ printf(_("Warning: invalid flag 0x%02x,0x%02x of partition "
"table %d will be corrected by w(rite)\n"),
- part_table_flag(pe->sectorbuffer), i + 1);
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+ pe->sectorbuffer[510],
+ pe->sectorbuffer[511],
+ i + 1);
+#if ENABLE_FEATURE_FDISK_WRITABLE
pe->changed = 1;
#endif
}
@@ -1409,7 +1407,7 @@ get_boot(enum action what)
return 0;
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
/*
* Print the message MESG, then read an integer between LOW and HIGH (inclusive).
* If the user hits Enter, DFLT is returned.
@@ -1417,10 +1415,10 @@ get_boot(enum action what)
*
* There is no default if DFLT is not between LOW and HIGH.
*/
-static uint
-read_int(uint low, uint dflt, uint high, uint base, char *mesg)
+static unsigned
+read_int(unsigned low, unsigned dflt, unsigned high, unsigned base, char *mesg)
{
- uint i;
+ unsigned i;
int default_ok = 1;
const char *fmt = "%s (%u-%u, default %u): ";
@@ -1775,7 +1773,7 @@ change_sysid(void)
* Lubkin Oct. 1991). */
static void
-long2chs(ulong ls, uint *c, uint *h, uint *s)
+long2chs(ulong ls, unsigned *c, unsigned *h, unsigned *s)
{
int spc = heads * sectors;
@@ -1788,10 +1786,10 @@ long2chs(ulong ls, uint *c, uint *h, uint *s)
static void
check_consistency(const struct partition *p, int partition)
{
- uint pbc, pbh, pbs; /* physical beginning c, h, s */
- uint pec, peh, pes; /* physical ending c, h, s */
- uint lbc, lbh, lbs; /* logical beginning c, h, s */
- uint lec, leh, les; /* logical ending c, h, s */
+ unsigned pbc, pbh, pbs; /* physical beginning c, h, s */
+ unsigned pec, peh, pes; /* physical ending c, h, s */
+ unsigned lbc, lbh, lbs; /* logical beginning c, h, s */
+ unsigned lec, leh, les; /* logical ending c, h, s */
if (!heads || !sectors || (partition >= 4))
return; /* do not check extended partitions */
@@ -1892,7 +1890,7 @@ wrong_p_order(int *prev)
return 0;
}
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
/*
* Fix the chain of logicals.
* extended_offset is unchanged, the set of sectors used is unchanged
@@ -2037,7 +2035,7 @@ list_table(int xtra)
const struct pte *pe = &ptes[i];
off_t psects;
off_t pblocks;
- unsigned int podd;
+ unsigned podd;
p = pe->part_table;
if (!p || is_cleared_partition(p))
@@ -2077,7 +2075,7 @@ list_table(int xtra)
}
}
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
static void
x_list_table(int extend)
{
@@ -2106,7 +2104,7 @@ x_list_table(int extend)
}
#endif
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
fill_bounds(off_t *first, off_t *last)
{
@@ -2127,7 +2125,7 @@ fill_bounds(off_t *first, off_t *last)
}
static void
-check(int n, uint h, uint s, uint c, off_t start)
+check(int n, unsigned h, unsigned s, unsigned c, off_t start)
{
off_t total, real_s, real_c;
@@ -2154,7 +2152,7 @@ static void
verify(void)
{
int i, j;
- uint total = 1;
+ unsigned total = 1;
off_t first[partitions], last[partitions];
struct partition *p;
@@ -2522,7 +2520,7 @@ reread_partition_table(int leave)
}
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
#define MAX_PER_LINE 16
static void
print_buffer(char *pbuffer)
@@ -2625,7 +2623,7 @@ xselect(void)
fix_partition_table_order();
break;
case 'g':
-#ifdef CONFIG_FEATURE_SGI_LABEL
+#if ENABLE_FEATURE_SGI_LABEL
create_sgilabel();
#endif
break;
@@ -2736,7 +2734,7 @@ try(const char *device, int user_specified)
if (LABEL_IS_AIX) {
return;
}
-#ifdef CONFIG_FEATURE_OSF_LABEL
+#if ENABLE_FEATURE_OSF_LABEL
if (btrydev(device) < 0)
#endif
printf(_("Disk %s doesn't contain a valid "
@@ -2745,7 +2743,7 @@ try(const char *device, int user_specified)
} else {
close(fd);
list_table(0);
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
if (!LABEL_IS_SUN && partitions > 4){
delete_partition(ext_index);
}
@@ -2783,12 +2781,12 @@ tryprocpt(void)
sprintf(devname, "/dev/%s", ptname);
try(devname, 0);
}
-#ifdef CONFIG_FEATURE_CLEAN_UP
+#if ENABLE_FEATURE_CLEAN_UP
fclose(procpt);
#endif
}
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
static void
unknown_command(int c)
{
@@ -2798,82 +2796,67 @@ unknown_command(int c)
int fdisk_main(int argc, char **argv)
{
+ char *str_b, *str_C, *str_H, *str_S;
+ unsigned opt;
int c;
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
- int optl = 0;
-#endif
-#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
- int opts = 0;
-#endif
/*
- * Calls:
* fdisk -v
* fdisk -l [-b sectorsize] [-u] device ...
* fdisk -s [partition] ...
* fdisk [-b sectorsize] [-u] device
*
* Options -C, -H, -S set the geometry.
- *
*/
- while ((c = getopt(argc, argv, "b:C:H:lS:u"
-#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
- "s"
-#endif
- )) != -1) {
- switch (c) {
- case 'b':
- /* Ugly: this sector size is really per device,
- so cannot be combined with multiple disks,
- and te same goes for the C/H/S options.
- */
- sector_size = xatoi_u(optarg);
- if (sector_size != 512 && sector_size != 1024 &&
- sector_size != 2048)
- bb_show_usage();
- sector_offset = 2;
- user_set_sector_size = 1;
- break;
- case 'C':
- user_cylinders = xatoi_u(optarg);
- break;
- case 'H':
- user_heads = xatoi_u(optarg);
- if (user_heads <= 0 || user_heads >= 256)
- user_heads = 0;
- break;
- case 'S':
- user_sectors = xatoi_u(optarg);
- if (user_sectors <= 0 || user_sectors >= 64)
- user_sectors = 0;
- break;
- case 'l':
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
- optl = 1;
-#endif
- break;
-#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
- case 's':
- opts = 1;
- break;
-#endif
- case 'u':
- display_in_cyl_units = 0;
- break;
- default:
+ enum {
+ OPT_b = 1 << 0,
+ OPT_C = 1 << 1,
+ OPT_H = 1 << 2,
+ OPT_l = 1 << 3,
+ OPT_S = 1 << 4,
+ OPT_u = 1 << 5,
+ OPT_s = (1 << 6) * ENABLE_FEATURE_FDISK_BLKSIZE,
+ };
+ opt = getopt32(argc, argv, "b:C:H:lS:u" USE_FEATURE_FDISK_BLKSIZE("s"),
+ &str_b, &str_C, &str_H, &str_S);
+ argc -= optind;
+ argv += optind;
+ if (opt & OPT_b) { // -b
+ /* Ugly: this sector size is really per device,
+ so cannot be combined with multiple disks,
+ and the same goes for the C/H/S options.
+ */
+ sector_size = xatoi_u(str_b);
+ if (sector_size != 512 && sector_size != 1024 &&
+ sector_size != 2048)
bb_show_usage();
- }
+ sector_offset = 2;
+ user_set_sector_size = 1;
+ }
+ if (opt & OPT_C) user_cylinders = xatoi_u(str_C); // -C
+ if (opt & OPT_H) { // -H
+ user_heads = xatoi_u(str_H);
+ if (user_heads <= 0 || user_heads >= 256)
+ user_heads = 0;
+ }
+ //if (opt & OPT_l) // -l
+ if (opt & OPT_S) { // -S
+ user_sectors = xatoi_u(str_S);
+ if (user_sectors <= 0 || user_sectors >= 64)
+ user_sectors = 0;
}
+ if (opt & OPT_u) display_in_cyl_units = 0; // -u
+ //if (opt & OPT_s) // -s
- if (user_set_sector_size && argc-optind != 1)
+ if (user_set_sector_size && argc != 1)
printf(_("Warning: the -b (set sector size) option should"
" be used with one specified device\n"));
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
- if (optl) {
+#if ENABLE_FEATURE_FDISK_WRITABLE
+ if (opt & OPT_l) {
nowarn = 1;
#endif
type_open = O_RDONLY;
- if (argc > optind) {
+ if (argc > 0) {
int k;
#if __GNUC__
/* avoid gcc warning:
@@ -2881,7 +2864,7 @@ int fdisk_main(int argc, char **argv)
(void)&k;
#endif
listing = 1;
- for (k = optind; k < argc; k++)
+ for (k = 0; k < argc; k++)
try(argv[k], 1);
} else {
/* we no longer have default device names */
@@ -2889,30 +2872,30 @@ int fdisk_main(int argc, char **argv)
tryprocpt();
}
return 0;
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
+#if ENABLE_FEATURE_FDISK_WRITABLE
}
#endif
-#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
- if (opts) {
+#if ENABLE_FEATURE_FDISK_BLKSIZE
+ if (opt & OPT_s) {
long size;
int j;
nowarn = 1;
type_open = O_RDONLY;
- opts = argc - optind;
- if (opts <= 0)
+ if (argc <= 0)
bb_show_usage();
- for (j = optind; j < argc; j++) {
+ for (j = 0; j < argc; j++) {
disk_device = argv[j];
- if ((fd = open(disk_device, type_open)) < 0)
+ fd = open(disk_device, type_open);
+ if (fd < 0)
fdisk_fatal(unable_to_open);
if (ioctl(fd, BLKGETSIZE, &size))
fdisk_fatal(ioctl_error);
close(fd);
- if (opts == 1)
+ if (argc == 1)
printf("%ld\n", size/2);
else
printf("%s: %ld\n", argv[j], size/2);
@@ -2921,12 +2904,11 @@ int fdisk_main(int argc, char **argv)
}
#endif
-#ifdef CONFIG_FEATURE_FDISK_WRITABLE
- if (argc-optind == 1)
- disk_device = argv[optind];
- else
+#if ENABLE_FEATURE_FDISK_WRITABLE
+ if (argc != 1)
bb_show_usage();
+ disk_device = argv[0];
get_boot(fdisk);
if (LABEL_IS_OSF) {
@@ -2964,13 +2946,11 @@ int fdisk_main(int argc, char **argv)
printf(_("Boot file unchanged\n"));
else
sgi_set_bootfile(line_ptr);
- } else
-#ifdef CONFIG_FEATURE_OSF_LABEL
+ }
+#if ENABLE_FEATURE_OSF_LABEL
+ else
bsd_select();
#endif
-
-/* BUG!? Think what will happen if !CONFIG_FEATURE_OSF_LABEL !!! */
-
break;
case 'c':
if (LABEL_IS_DOS)
@@ -3025,7 +3005,7 @@ int fdisk_main(int argc, char **argv)
puts("");
return 0;
case 's':
-#ifdef CONFIG_FEATURE_SUN_LABEL
+#if ENABLE_FEATURE_SUN_LABEL
create_sunlabel();
#endif
break;
@@ -3041,7 +3021,7 @@ int fdisk_main(int argc, char **argv)
case 'w':
write_table(); /* does not return */
break;
-#ifdef CONFIG_FEATURE_FDISK_ADVANCED
+#if ENABLE_FEATURE_FDISK_ADVANCED
case 'x':
if (LABEL_IS_SGI) {
printf(_("\n\tSorry, no experts menu for SGI "