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Avoid a number of places where large drives could wrap a uint, and

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instead use off_t which will be automagically promoted to 64bit if
compiled with support for large drives.
 -Erik
This commit is contained in:
Eric Andersen 2004-06-28 23:50:31 +00:00
parent 0373cf1396
commit d926149d26
1 changed files with 33 additions and 33 deletions
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66
util-linux/fdisk.c
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@ -252,8 +252,8 @@ static int get_boot(enum action what);
}
static unsigned int get_start_sect(const struct partition *p);
static unsigned int get_nr_sects(const struct partition *p);
static int32_t get_start_sect(const struct partition *p);
static int32_t get_nr_sects(const struct partition *p);
/*
* per partition table entry data
@ -269,7 +269,7 @@ static struct pte {
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
char changed; /* boolean */
#endif
uint offset; /* disk sector number */
off_t offset; /* disk sector number */
char *sectorbuffer; /* disk sector contents */
} ptes[MAXIMUM_PARTS];
@ -1059,7 +1059,7 @@ xbsd_delete_part (void)
static void
xbsd_new_part (void)
{
uint begin, end;
off_t begin, end;
char mesg[256];
int i;
@ -3317,19 +3317,19 @@ set_start_sect(struct partition *p, unsigned int start_sect) {
}
#endif
static unsigned int
static int32_t
get_start_sect(const struct partition *p) {
return read4_little_endian(p->start4);
}
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static void
set_nr_sects(struct partition *p, unsigned int nr_sects) {
set_nr_sects(struct partition *p, int32_t nr_sects) {
store4_little_endian(p->size4, nr_sects);
}
#endif
static unsigned int
static int32_t
get_nr_sects(const struct partition *p) {
return read4_little_endian(p->size4);
}
@ -3352,7 +3352,7 @@ static uint user_cylinders, user_heads, user_sectors;
static uint pt_heads, pt_sectors;
static uint kern_heads, kern_sectors;
static uint extended_offset; /* offset of link pointers */
static off_t extended_offset; /* offset of link pointers */
static unsigned long long total_number_of_sectors;
@ -3393,7 +3393,7 @@ static void fdisk_fatal(enum failure why) {
}
static void
seek_sector(uint secno) {
seek_sector(off_t secno) {
off_t offset = secno * sector_size;
if (lseek(fd, offset, SEEK_SET) == (off_t) -1)
fdisk_fatal(unable_to_seek);
@ -3401,7 +3401,7 @@ seek_sector(uint secno) {
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static void
write_sector(uint secno, char *buf) {
write_sector(off_t secno, char *buf) {
seek_sector(secno);
if (write(fd, buf, sector_size) != sector_size)
fdisk_fatal(unable_to_write);
@ -3410,7 +3410,7 @@ write_sector(uint secno, char *buf) {
/* Allocate a buffer and read a partition table sector */
static void
read_pte(struct pte *pe, uint offset) {
read_pte(struct pte *pe, off_t offset) {
pe->offset = offset;
pe->sectorbuffer = (char *) xmalloc(sector_size);
@ -3687,9 +3687,9 @@ clear_partition(struct partition *p) {
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static void
set_partition(int i, int doext, uint start, uint stop, int sysid) {
set_partition(int i, int doext, off_t start, off_t stop, int sysid) {
struct partition *p;
uint offset;
off_t offset;
if (doext) {
p = ptes[i].ext_pointer;
@ -4646,7 +4646,7 @@ static int
wrong_p_order(int *prev) {
const struct pte *pe;
const struct partition *p;
uint last_p_start_pos = 0, p_start_pos;
off_t last_p_start_pos = 0, p_start_pos;
int i, last_i = 0;
for (i = 0 ; i < partitions; i++) {
@ -4820,8 +4820,8 @@ list_table(int xtra) {
p = pe->part_table;
if (p && !is_cleared_partition(p)) {
unsigned int psects = get_nr_sects(p);
unsigned int pblocks = psects;
off_t psects = get_nr_sects(p);
off_t pblocks = psects;
unsigned int podd = 0;
if (sector_size < 1024) {
@ -4831,14 +4831,14 @@ list_table(int xtra) {
if (sector_size > 1024)
pblocks *= (sector_size / 1024);
printf(
"%s %c %11lu %11lu %11lu%c %2x %s\n",
"%s %c %11llu %11llu %11llu%c %2x %s\n",
partname(disk_device, i+1, w+2),
/* boot flag */ !p->boot_ind ? ' ' : p->boot_ind == ACTIVE_FLAG
? '*' : '?',
/* start */ (unsigned long) cround(get_partition_start(pe)),
/* end */ (unsigned long) cround(get_partition_start(pe) + psects
/* start */ (unsigned long long) cround(get_partition_start(pe)),
/* end */ (unsigned long long) cround(get_partition_start(pe) + psects
- (psects ? 1 : 0)),
/* odd flag on end */ (unsigned long) pblocks, podd ? '+' : ' ',
/* odd flag on end */ (unsigned long long) pblocks, podd ? '+' : ' ',
/* type id */ p->sys_ind,
/* type name */ partition_type(p->sys_ind));
check_consistency(p, i);
@ -4883,7 +4883,7 @@ x_list_table(int extend) {
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static void
fill_bounds(uint *first, uint *last) {
fill_bounds(off_t *first, off_t *last) {
int i;
const struct pte *pe = &ptes[0];
const struct partition *p;
@ -4901,8 +4901,8 @@ fill_bounds(uint *first, uint *last) {
}
static void
check(int n, uint h, uint s, uint c, uint start) {
uint total, real_s, real_c;
check(int n, uint h, uint s, uint c, off_t start) {
off_t total, real_s, real_c;
real_s = sector(s) - 1;
real_c = cylinder(s, c);
@ -4917,19 +4917,19 @@ check(int n, uint h, uint s, uint c, uint start) {
fprintf(stderr, _("Partition %d: sector %d greater than "
"maximum %d\n"), n, s, sectors);
if (real_c >= cylinders)
fprintf(stderr, _("Partitions %d: cylinder %d greater than "
"maximum %d\n"), n, real_c + 1, cylinders);
fprintf(stderr, _("Partitions %d: cylinder %llu greater than "
"maximum %d\n"), n, (unsigned long long)real_c + 1, cylinders);
if (cylinders <= 1024 && start != total)
fprintf(stderr,
_("Partition %d: previous sectors %d disagrees with "
"total %d\n"), n, start, total);
_("Partition %d: previous sectors %llu disagrees with "
"total %llu\n"), n, (unsigned long long)start, (unsigned long long)total);
}
static void
verify(void) {
int i, j;
uint total = 1;
uint first[partitions], last[partitions];
off_t first[partitions], last[partitions];
struct partition *p;
if (warn_geometry())
@ -4976,7 +4976,7 @@ verify(void) {
if (extended_offset) {
struct pte *pex = &ptes[ext_index];
uint e_last = get_start_sect(pex->part_table) +
off_t e_last = get_start_sect(pex->part_table) +
get_nr_sects(pex->part_table) - 1;
for (i = 4; i < partitions; i++) {
@ -5008,7 +5008,7 @@ add_partition(int n, int sys) {
struct partition *p = ptes[n].part_table;
struct partition *q = ptes[ext_index].part_table;
long long llimit;
uint start, stop = 0, limit, temp,
off_t start, stop = 0, limit, temp,
first[partitions], last[partitions];
if (p && p->sys_ind) {
@ -5054,12 +5054,12 @@ add_partition(int n, int sys) {
if (start > limit)
break;
if (start >= temp+units_per_sector && readed) {
printf(_("Sector %d is already allocated\n"), temp);
printf(_("Sector %llu is already allocated\n"), (unsigned long long)temp);
temp = start;
readed = 0;
}
if (!readed && start == temp) {
uint saved_start;
off_t saved_start;
saved_start = start;
start = read_int(cround(saved_start), cround(saved_start), cround(limit),
@ -5344,7 +5344,7 @@ static void
move_begin(int i) {
struct pte *pe = &ptes[i];
struct partition *p = pe->part_table;
uint new, first;
off_t new, first;
if (warn_geometry())
return;