summaryrefslogtreecommitdiffstats
path: root/fdisks
diff options
context:
space:
mode:
authorKarel Zak2013-01-22 13:46:55 +0100
committerKarel Zak2013-03-11 12:47:31 +0100
commite3661531e69e62ff4277b01da7b0e82ec832fbbe (patch)
tree6e9cab3b2411e249627161108233abd2136a3805 /fdisks
parentlibfdisk: add part_get_status operation (diff)
downloadkernel-qcow2-util-linux-e3661531e69e62ff4277b01da7b0e82ec832fbbe.tar.gz
kernel-qcow2-util-linux-e3661531e69e62ff4277b01da7b0e82ec832fbbe.tar.xz
kernel-qcow2-util-linux-e3661531e69e62ff4277b01da7b0e82ec832fbbe.zip
fdisk: (dos) kill 'partitions' global variable
... and use size_t for partition numbers Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'fdisks')
-rw-r--r--fdisks/fdisk.c64
-rw-r--r--fdisks/fdisk.h1
-rw-r--r--fdisks/fdiskbsdlabel.c2
-rw-r--r--fdisks/fdiskdoslabel.c239
-rw-r--r--fdisks/fdiskdoslabel.h3
-rw-r--r--fdisks/fdiskmaclabel.c2
-rw-r--r--fdisks/fdisksgilabel.c67
-rw-r--r--fdisks/gpt.c6
8 files changed, 218 insertions, 166 deletions
diff --git a/fdisks/fdisk.c b/fdisks/fdisk.c
index a73cf312b..62ecdf4a9 100644
--- a/fdisks/fdisk.c
+++ b/fdisks/fdisk.c
@@ -116,8 +116,7 @@ sector_t get_nr_sects(struct partition *p) {
char *line_ptr, /* interactive input */
line_buffer[LINE_LENGTH];
-int nowarn = 0, /* no warnings for fdisk -l/-s */
- partitions = 4; /* maximum partition + 1 */
+int nowarn = 0; /* no warnings for fdisk -l/-s */
unsigned int user_cylinders, user_heads, user_sectors;
@@ -639,7 +638,10 @@ static void change_partition_type(struct fdisk_context *cxt)
int i;
struct fdisk_parttype *t, *org_t;
- i = get_existing_partition(cxt, 0, partitions);
+ assert(cxt);
+ assert(cxt->label);
+
+ i = get_existing_partition(cxt, 0, cxt->label->nparts_max);
if (i == -1)
return;
@@ -763,19 +765,11 @@ static void new_partition(struct fdisk_context *cxt)
if (fdisk_is_disklabel(cxt, SUN) ||
fdisk_is_disklabel(cxt, SGI) ||
- fdisk_is_disklabel(cxt, GPT)) {
+ fdisk_is_disklabel(cxt, GPT))
- size_t dflt = 0;
+ partnum = get_partition_dflt(cxt, 0, cxt->label->nparts_max,
+ cxt->label->nparts_cur + 1);
- /*
- * TODO: always use label->nparts_cur + 1
- * (currenly only few drivers maintain label->nparts_* counters)
- */
- if (cxt->label->nparts_max)
- dflt = cxt->label->nparts_cur + 1;
-
- partnum = get_partition_dflt(cxt, 0, partitions, dflt);
- }
fdisk_add_partition(cxt, partnum, NULL);
}
@@ -848,14 +842,18 @@ print_buffer(struct fdisk_context *cxt, unsigned char pbuffer[]) {
static void print_raw(struct fdisk_context *cxt)
{
- int i;
+ size_t i;
+
+ assert(cxt);
+ assert(cxt->label);
printf(_("Device: %s\n"), cxt->dev_path);
if (fdisk_is_disklabel(cxt, SUN) ||
fdisk_is_disklabel(cxt, SGI) ||
fdisk_is_disklabel(cxt, GPT))
print_buffer(cxt, cxt->firstsector);
- else for (i = 3; i < partitions; i++)
+
+ else for (i = 3; i < cxt->label->nparts_max; i++)
print_buffer(cxt, ptes[i].sectorbuffer);
}
@@ -871,7 +869,11 @@ expert_command_prompt(struct fdisk_context *cxt)
{
char c;
+ assert(cxt);
+
while(1) {
+ assert(cxt->label);
+
putchar('\n');
c = tolower(read_char(cxt, _("Expert command (m for help): ")));
switch (c) {
@@ -881,7 +883,8 @@ expert_command_prompt(struct fdisk_context *cxt)
break;
case 'b':
if (fdisk_is_disklabel(cxt, DOS))
- dos_move_begin(cxt, get_partition(cxt, 0, partitions));
+ dos_move_begin(cxt, get_partition(cxt, 0,
+ cxt->label->nparts_max));
break;
case 'c':
user_cylinders = read_int(cxt, 1, cxt->geom.cylinders, 1048576, 0,
@@ -904,7 +907,7 @@ expert_command_prompt(struct fdisk_context *cxt)
break;
case 'f':
if (fdisk_is_disklabel(cxt, DOS))
- dos_fix_partition_table_order();
+ dos_fix_partition_table_order(cxt);
break;
case 'g':
fdisk_create_disklabel(cxt, "sgi");
@@ -1052,6 +1055,8 @@ static void command_prompt(struct fdisk_context *cxt)
{
int c;
+ assert(cxt);
+
if (fdisk_is_disklabel(cxt, OSF)) {
putchar('\n');
/* OSF label, and no DOS label */
@@ -1065,18 +1070,23 @@ static void command_prompt(struct fdisk_context *cxt)
}
while (1) {
+
+ assert(cxt->label);
+
putchar('\n');
c = tolower(read_char(cxt, _("Command (m for help): ")));
switch (c) {
case 'a':
if (fdisk_is_disklabel(cxt, DOS))
- dos_toggle_active(cxt, get_partition(cxt, 1, partitions));
+ dos_toggle_active(cxt,
+ get_partition(cxt, 1, cxt->label->nparts_max));
else if (fdisk_is_disklabel(cxt, SUN))
- toggle_sunflags(cxt, get_partition(cxt, 1, partitions),
- SUN_FLAG_UNMNT);
+ toggle_sunflags(cxt,
+ get_partition(cxt, 1, cxt->label->nparts_max),
+ SUN_FLAG_UNMNT);
else if (fdisk_is_disklabel(cxt, SGI))
sgi_set_bootpartition(cxt,
- get_partition(cxt, 1, partitions));
+ get_partition(cxt, 1, cxt->label->nparts_max));
else
unknown_command(c);
break;
@@ -1097,16 +1107,18 @@ static void command_prompt(struct fdisk_context *cxt)
if (fdisk_is_disklabel(cxt, DOS))
toggle_dos_compatibility_flag(cxt);
else if (fdisk_is_disklabel(cxt, SUN))
- toggle_sunflags(cxt, get_partition(cxt, 1, partitions),
- SUN_FLAG_RONLY);
+ toggle_sunflags(cxt,
+ get_partition(cxt, 1, cxt->label->nparts_max),
+ SUN_FLAG_RONLY);
else if (fdisk_is_disklabel(cxt, SGI))
sgi_set_swappartition(cxt,
- get_partition(cxt, 1, partitions));
+ get_partition(cxt, 1, cxt->label->nparts_max));
else
unknown_command(c);
break;
case 'd':
- delete_partition(cxt, get_existing_partition(cxt, 1, partitions));
+ delete_partition(cxt,
+ get_existing_partition(cxt, 1, cxt->label->nparts_max));
break;
case 'g':
fdisk_create_disklabel(cxt, "gpt");
diff --git a/fdisks/fdisk.h b/fdisks/fdisk.h
index d9716cc57..e337aefd2 100644
--- a/fdisks/fdisk.h
+++ b/fdisks/fdisk.h
@@ -62,7 +62,6 @@ enum failure {
/* prototypes for fdisk.c */
extern char *line_ptr;
-extern int partitions;
extern unsigned int display_in_cyl_units, units_per_sector;
extern void fatal(struct fdisk_context *cxt, enum failure why);
diff --git a/fdisks/fdiskbsdlabel.c b/fdisks/fdiskbsdlabel.c
index 19dfd78d5..b5d0b64ea 100644
--- a/fdisks/fdiskbsdlabel.c
+++ b/fdisks/fdiskbsdlabel.c
@@ -851,7 +851,7 @@ xbsd_link_part (struct fdisk_context *cxt)
int k, i;
struct partition *p;
- k = get_partition (cxt, 1, partitions);
+ k = get_partition (cxt, 1, cxt->label->nparts_max);
if (xbsd_check_new_partition(cxt, &i))
return;
diff --git a/fdisks/fdiskdoslabel.c b/fdisks/fdiskdoslabel.c
index e47346450..acdbc86a5 100644
--- a/fdisks/fdiskdoslabel.c
+++ b/fdisks/fdiskdoslabel.c
@@ -47,7 +47,8 @@ static struct fdisk_parttype dos_parttypes[] = {
struct pte ptes[MAXIMUM_PARTS];
sector_t extended_offset;
-int ext_index;
+
+static size_t ext_index;
unsigned int units_per_sector = 1, display_in_cyl_units = 0;
@@ -98,10 +99,10 @@ static void warn_alignment(struct fdisk_context *cxt)
}
-static int get_nonexisting_partition(struct fdisk_context *cxt, int warn, int max)
+static int get_nonexisting_partition(struct fdisk_context *cxt, int warn, size_t max)
{
int pno = -1;
- int i;
+ size_t i;
int dflt = 0;
for (i = 0; i < max; i++) {
@@ -182,9 +183,9 @@ static void clear_partition(struct partition *p)
void dos_init(struct fdisk_context *cxt)
{
- int i;
+ size_t i;
- partitions = 4;
+ cxt->label->nparts_max = 4; /* default, unlimited number of logical */
ext_index = 0;
extended_offset = 0;
@@ -206,8 +207,9 @@ void dos_init(struct fdisk_context *cxt)
static int dos_delete_partition(
struct fdisk_context *cxt __attribute__ ((__unused__)),
struct fdisk_label *lb,
- int partnum)
+ int n)
{
+ size_t partnum = (size_t) n; /* TODO: use size_t in API */
struct pte *pe = &ptes[partnum];
struct partition *p = pe->part_table;
struct partition *q = pe->ext_pointer;
@@ -216,15 +218,15 @@ static int dos_delete_partition(
decrement partitions. */
if (partnum < 4) {
- if (IS_EXTENDED (p->sys_ind) && partnum == ext_index) {
- partitions = 4;
+ if (IS_EXTENDED(p->sys_ind) && partnum == ext_index) {
+ cxt->label->nparts_max = 4;
ptes[ext_index].ext_pointer = NULL;
extended_offset = 0;
}
clear_partition(p);
} else if (!q->sys_ind && partnum > 4) {
/* the last one in the chain - just delete */
- --partitions;
+ --cxt->label->nparts_max;
--partnum;
clear_partition(ptes[partnum].ext_pointer);
ptes[partnum].changed = 1;
@@ -237,7 +239,7 @@ static int dos_delete_partition(
set_start_sect(p, get_start_sect(q));
set_nr_sects(p, get_nr_sects(q));
ptes[partnum-1].changed = 1;
- } else if (partitions > 5) { /* 5 will be moved to 4 */
+ } else if (cxt->label->nparts_max > 5) { /* 5 will be moved to 4 */
/* the first logical in a longer chain */
struct pte *pe = &ptes[5];
@@ -249,9 +251,9 @@ static int dos_delete_partition(
pe->changed = 1;
}
- if (partitions > 5) {
- partitions--;
- while (partnum < partitions) {
+ if (cxt->label->nparts_max > 5) {
+ cxt->label->nparts_max--;
+ while (partnum < cxt->label->nparts_max) {
ptes[partnum] = ptes[partnum+1];
partnum++;
}
@@ -266,7 +268,7 @@ static int dos_delete_partition(
static void read_extended(struct fdisk_context *cxt, int ext)
{
- int i;
+ size_t i;
struct pte *pex;
struct partition *p, *q;
@@ -282,25 +284,25 @@ static void read_extended(struct fdisk_context *cxt, int ext)
}
while (IS_EXTENDED (p->sys_ind)) {
- struct pte *pe = &ptes[partitions];
+ struct pte *pe = &ptes[cxt->label->nparts_max];
- if (partitions >= MAXIMUM_PARTS) {
+ if (cxt->label->nparts_max >= MAXIMUM_PARTS) {
/* This is not a Linux restriction, but
this program uses arrays of size MAXIMUM_PARTS.
Do not try to `improve' this test. */
- struct pte *pre = &ptes[partitions-1];
+ struct pte *pre = &ptes[cxt->label->nparts_max - 1];
fprintf(stderr,
- _("Warning: omitting partitions after #%d.\n"
+ _("Warning: omitting partitions after #%zd.\n"
"They will be deleted "
"if you save this partition table.\n"),
- partitions);
+ cxt->label->nparts_max);
clear_partition(pre->ext_pointer);
pre->changed = 1;
return;
}
- read_pte(cxt, partitions, extended_offset + get_start_sect(p));
+ read_pte(cxt, cxt->label->nparts_max, extended_offset + get_start_sect(p));
if (!extended_offset)
extended_offset = get_start_sect(p);
@@ -312,7 +314,7 @@ static void read_extended(struct fdisk_context *cxt, int ext)
fprintf(stderr,
_("Warning: extra link "
"pointer in partition table"
- " %d\n"), partitions + 1);
+ " %zd\n"), cxt->label->nparts_max + 1);
else
pe->ext_pointer = p;
} else if (p->sys_ind) {
@@ -320,7 +322,7 @@ static void read_extended(struct fdisk_context *cxt, int ext)
fprintf(stderr,
_("Warning: ignoring extra "
"data in partition table"
- " %d\n"), partitions + 1);
+ " %zd\n"), cxt->label->nparts_max + 1);
else
pe->part_table = p;
}
@@ -341,17 +343,17 @@ static void read_extended(struct fdisk_context *cxt, int ext)
}
p = pe->ext_pointer;
- partitions++;
+ cxt->label->nparts_cur = ++cxt->label->nparts_max;
}
/* remove empty links */
remove:
- for (i = 4; i < partitions; i++) {
+ for (i = 4; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
if (!get_nr_sects(pe->part_table) &&
- (partitions > 5 || ptes[4].part_table->sys_ind)) {
- printf(_("omitting empty partition (%d)\n"), i+1);
+ (cxt->label->nparts_max > 5 || ptes[4].part_table->sys_ind)) {
+ printf(_("omitting empty partition (%zd)\n"), i+1);
dos_delete_partition(cxt, cxt->label, i);
goto remove; /* numbering changed */
}
@@ -455,12 +457,14 @@ static int dos_reset_alignment(struct fdisk_context *cxt,
return 0;
}
-static int dos_probe_label(struct fdisk_context *cxt,
- struct fdisk_label *lb __attribute__((__unused__)))
+static int dos_probe_label(struct fdisk_context *cxt, struct fdisk_label *lb)
{
- int i;
+ size_t i;
unsigned int h = 0, s = 0;
+ assert(cxt);
+ assert(cxt->label);
+
if (!mbr_is_valid_magic(cxt->firstsector))
return 0;
@@ -475,24 +479,28 @@ static int dos_probe_label(struct fdisk_context *cxt,
for (i = 0; i < 4; i++) {
struct pte *pe = &ptes[i];
+ if (!is_cleared_partition(pe->part_table))
+ cxt->label->nparts_cur++;
+
if (IS_EXTENDED (pe->part_table->sys_ind)) {
- if (partitions != 4)
+ if (cxt->label->nparts_max != 4)
fprintf(stderr, _("Ignoring extra extended "
- "partition %d\n"), i + 1);
+ "partition %zd\n"), i + 1);
else
read_extended(cxt, i);
}
}
- for (i = 3; i < partitions; i++) {
+ for (i = 3; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
if (!mbr_is_valid_magic(pe->sectorbuffer)) {
fprintf(stderr,
_("Warning: invalid flag 0x%04x of partition "
- "table %d will be corrected by w(rite)\n"),
+ "table %zd will be corrected by w(rite)\n"),
part_table_flag(pe->sectorbuffer), i + 1);
pe->changed = 1;
+ fdisk_label_set_changed(lb, 1);
}
}
@@ -549,9 +557,9 @@ static sector_t get_unused_start(struct fdisk_context *cxt,
int part_n, sector_t start,
sector_t first[], sector_t last[])
{
- int i;
+ size_t i;
- for (i = 0; i < partitions; i++) {
+ for (i = 0; i < cxt->label->nparts_max; i++) {
sector_t lastplusoff;
if (start == ptes[i].offset)
@@ -564,13 +572,14 @@ static sector_t get_unused_start(struct fdisk_context *cxt,
return start;
}
-static void fill_bounds(sector_t *first, sector_t *last)
+static void fill_bounds(struct fdisk_context *cxt,
+ sector_t *first, sector_t *last)
{
- int i;
+ size_t i;
struct pte *pe = &ptes[0];
struct partition *p;
- for (i = 0; i < partitions; pe++,i++) {
+ for (i = 0; i < cxt->label->nparts_max; pe++,i++) {
p = pe->part_table;
if (!p->sys_ind || IS_EXTENDED (p->sys_ind)) {
first[i] = 0xffffffff;
@@ -585,11 +594,13 @@ static void fill_bounds(sector_t *first, sector_t *last)
static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype *t)
{
char mesg[256]; /* 48 does not suffice in Japanese */
- int i, sys, read = 0;
+ int sys, read = 0;
+ size_t i;
struct partition *p = ptes[n].part_table;
struct partition *q = ptes[ext_index].part_table;
sector_t start, stop = 0, limit, temp,
- first[partitions], last[partitions];
+ first[cxt->label->nparts_max],
+ last[cxt->label->nparts_max];
sys = t ? t->type : LINUX_NATIVE;
@@ -598,7 +609,7 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
"it before re-adding it.\n"), n + 1);
return -EINVAL;
}
- fill_bounds(first, last);
+ fill_bounds(cxt, first, last);
if (n < 4) {
start = cxt->first_lba;
if (display_in_cyl_units || !cxt->total_sectors)
@@ -619,7 +630,7 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
limit = get_start_sect(q) + get_nr_sects(q) - 1;
}
if (display_in_cyl_units)
- for (i = 0; i < partitions; i++)
+ for (i = 0; i < cxt->label->nparts_max; i++)
first[i] = (cround(first[i]) - 1) * units_per_sector;
snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
@@ -667,7 +678,7 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
}
}
- for (i = 0; i < partitions; i++) {
+ for (i = 0; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
if (start < pe->offset && limit >= pe->offset)
@@ -678,7 +689,7 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
if (start > limit) {
printf(_("No free sectors available\n"));
if (n > 4)
- partitions--;
+ cxt->label->nparts_max--;
return -ENOSPC;
}
if (cround(start) == cround(limit)) {
@@ -726,7 +737,7 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
pe4->part_table = pt_offset(pe4->sectorbuffer, 0);
pe4->ext_pointer = pe4->part_table + 1;
pe4->changed = 1;
- partitions = 5;
+ cxt->label->nparts_max = 5;
}
fdisk_label_set_changed(cxt->label, 1);
@@ -735,21 +746,24 @@ static int add_partition(struct fdisk_context *cxt, int n, struct fdisk_parttype
static int add_logical(struct fdisk_context *cxt)
{
- if (partitions > 5 || ptes[4].part_table->sys_ind) {
- struct pte *pe = &ptes[partitions];
+ assert(cxt);
+ assert(cxt->label);
+
+ if (cxt->label->nparts_max > 5 || ptes[4].part_table->sys_ind) {
+ struct pte *pe = &ptes[cxt->label->nparts_max];
pe->sectorbuffer = xcalloc(1, cxt->sector_size);
pe->part_table = pt_offset(pe->sectorbuffer, 0);
pe->ext_pointer = pe->part_table + 1;
pe->offset = 0;
pe->changed = 1;
- partitions++;
+ cxt->label->nparts_max++;
}
- printf(_("Adding logical partition %d\n"), partitions);
- return add_partition(cxt, partitions - 1, NULL);
+ printf(_("Adding logical partition %zd\n"), cxt->label->nparts_max);
+ return add_partition(cxt, cxt->label->nparts_max - 1, NULL);
}
-static void check(struct fdisk_context *cxt, int n,
+static void check(struct fdisk_context *cxt, size_t n,
unsigned int h, unsigned int s, unsigned int c,
unsigned int start)
{
@@ -759,20 +773,20 @@ static void check(struct fdisk_context *cxt, int n,
real_c = cylinder(s, c);
total = (real_c * cxt->geom.sectors + real_s) * cxt->geom.heads + h;
if (!total)
- fprintf(stderr, _("Warning: partition %d contains sector 0\n"), n);
+ fprintf(stderr, _("Warning: partition %zd contains sector 0\n"), n);
if (h >= cxt->geom.heads)
fprintf(stderr,
- _("Partition %d: head %d greater than maximum %d\n"),
+ _("Partition %zd: head %d greater than maximum %d\n"),
n, h + 1, cxt->geom.heads);
if (real_s >= cxt->geom.sectors)
- fprintf(stderr, _("Partition %d: sector %d greater than "
+ fprintf(stderr, _("Partition %zd: sector %d greater than "
"maximum %llu\n"), n, s, cxt->geom.sectors);
if (real_c >= cxt->geom.cylinders)
- fprintf(stderr, _("Partitions %d: cylinder %d greater than "
+ fprintf(stderr, _("Partitions %zd: cylinder %d greater than "
"maximum %llu\n"), n, real_c + 1, cxt->geom.cylinders);
if (cxt->geom.cylinders <= 1024 && start != total)
fprintf(stderr,
- _("Partition %d: previous sectors %d disagrees with "
+ _("Partition %zd: previous sectors %d disagrees with "
"total %d\n"), n, start, total);
}
@@ -792,7 +806,8 @@ long2chs(struct fdisk_context *cxt, unsigned long ls,
*s = ls % cxt->geom.sectors + 1; /* sectors count from 1 */
}
-static void check_consistency(struct fdisk_context *cxt, struct partition *p, int partition)
+static void check_consistency(struct fdisk_context *cxt, struct partition *p,
+ size_t partition)
{
unsigned int pbc, pbh, pbs; /* physical beginning c, h, s */
unsigned int pec, peh, pes; /* physical ending c, h, s */
@@ -823,7 +838,7 @@ static void check_consistency(struct fdisk_context *cxt, struct partition *p, in
/* Same physical / logical beginning? */
if (cxt->geom.cylinders <= 1024 && (pbc != lbc || pbh != lbh || pbs != lbs)) {
- printf(_("Partition %d has different physical/logical "
+ printf(_("Partition %zd has different physical/logical "
"beginnings (non-Linux?):\n"), partition + 1);
printf(_(" phys=(%d, %d, %d) "), pbc, pbh, pbs);
printf(_("logical=(%d, %d, %d)\n"),lbc, lbh, lbs);
@@ -831,7 +846,7 @@ static void check_consistency(struct fdisk_context *cxt, struct partition *p, in
/* Same physical / logical ending? */
if (cxt->geom.cylinders <= 1024 && (pec != lec || peh != leh || pes != les)) {
- printf(_("Partition %d has different physical/logical "
+ printf(_("Partition %zd has different physical/logical "
"endings:\n"), partition + 1);
printf(_(" phys=(%d, %d, %d) "), pec, peh, pes);
printf(_("logical=(%d, %d, %d)\n"),lec, leh, les);
@@ -839,7 +854,7 @@ static void check_consistency(struct fdisk_context *cxt, struct partition *p, in
/* Ending on cylinder boundary? */
if (peh != (cxt->geom.heads - 1) || pes != cxt->geom.sectors) {
- printf(_("Partition %i does not end on cylinder boundary.\n"),
+ printf(_("Partition %zd does not end on cylinder boundary.\n"),
partition + 1);
}
}
@@ -847,13 +862,14 @@ static void check_consistency(struct fdisk_context *cxt, struct partition *p, in
static int dos_verify_disklabel(struct fdisk_context *cxt,
struct fdisk_label *lb __attribute__((__unused__)))
{
- int i, j;
+ size_t i, j;
sector_t total = 1, n_sectors = cxt->total_sectors;
- unsigned long long first[partitions], last[partitions];
+ unsigned long long first[cxt->label->nparts_max],
+ last[cxt->label->nparts_max];
struct partition *p;
- fill_bounds(first, last);
- for (i = 0; i < partitions; i++) {
+ fill_bounds(cxt, first, last);
+ for (i = 0; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
p = pe->part_table;
@@ -862,15 +878,15 @@ static int dos_verify_disklabel(struct fdisk_context *cxt,
fdisk_warn_alignment(cxt, get_partition_start(pe), i);
if (get_partition_start(pe) < first[i])
printf(_("Warning: bad start-of-data in "
- "partition %d\n"), i + 1);
+ "partition %zd\n"), i + 1);
check(cxt, i + 1, p->end_head, p->end_sector, p->end_cyl,
last[i]);
total += last[i] + 1 - first[i];
for (j = 0; j < i; j++)
if ((first[i] >= first[j] && first[i] <= last[j])
|| ((last[i] <= last[j] && last[i] >= first[j]))) {
- printf(_("Warning: partition %d overlaps "
- "partition %d.\n"), j + 1, i + 1);
+ printf(_("Warning: partition %zd overlaps "
+ "partition %zd.\n"), j + 1, i + 1);
total += first[i] >= first[j] ?
first[i] : first[j];
total -= last[i] <= last[j] ?
@@ -884,18 +900,18 @@ static int dos_verify_disklabel(struct fdisk_context *cxt,
sector_t e_last = get_start_sect(pex->part_table) +
get_nr_sects(pex->part_table) - 1;
- for (i = 4; i < partitions; i++) {
+ for (i = 4; i < cxt->label->nparts_max; i++) {
total++;
p = ptes[i].part_table;
if (!p->sys_ind) {
- if (i != 4 || i + 1 < partitions)
- printf(_("Warning: partition %d "
+ if (i != 4 || i + 1 < cxt->label->nparts_max)
+ printf(_("Warning: partition %zd "
"is empty\n"), i + 1);
}
else if (first[i] < extended_offset ||
last[i] > e_last)
- printf(_("Logical partition %d not entirely in "
- "partition %d\n"), i + 1, ext_index + 1);
+ printf(_("Logical partition %zd not entirely in "
+ "partition %zd\n"), i + 1, ext_index + 1);
}
}
@@ -921,12 +937,13 @@ static int dos_add_partition(
int partnum __attribute__ ((__unused__)),
struct fdisk_parttype *t)
{
- int i, free_primary = 0, rc = 0;
+ size_t i, free_primary = 0;
+ int rc = 0;
for (i = 0; i < 4; i++)
free_primary += !ptes[i].part_table->sys_ind;
- if (!free_primary && partitions >= MAXIMUM_PARTS) {
+ if (!free_primary && cxt->label->nparts_max >= MAXIMUM_PARTS) {
printf(_("The maximum number of partitions has been created\n"));
return -EINVAL;
}
@@ -938,20 +955,22 @@ static int dos_add_partition(
} else
printf(_("If you want to create more than four partitions, you must replace a\n"
"primary partition with an extended partition first.\n"));
- } else if (partitions >= MAXIMUM_PARTS) {
+ } else if (cxt->label->nparts_max >= MAXIMUM_PARTS) {
printf(_("All logical partitions are in use\n"));
printf(_("Adding a primary partition\n"));
rc = add_partition(cxt, get_partition(cxt, 0, 4), t);
} else {
- char c, dflt, line[LINE_LENGTH];
+ char c, line[LINE_LENGTH];
+ int dflt;
dflt = (free_primary == 1 && !extended_offset) ? 'e' : 'p';
snprintf(line, sizeof(line),
_("Partition type:\n"
- " p primary (%d primary, %d extended, %d free)\n"
+ " p primary (%zd primary, %d extended, %zd free)\n"
"%s\n"
"Select (default %c): "),
- 4 - (extended_offset ? 1 : 0) - free_primary, extended_offset ? 1 : 0, free_primary,
+ 4 - (extended_offset ? 1 : 0) - free_primary,
+ extended_offset ? 1 : 0, free_primary,
extended_offset ? _(" l logical (numbered from 5)") : _(" e extended"),
dflt);
@@ -979,6 +998,8 @@ static int dos_add_partition(
printf(_("Invalid partition type `%c'\n"), c);
}
done:
+ if (rc == 0)
+ cxt->label->nparts_cur++;
return rc;
}
@@ -1001,7 +1022,8 @@ static int write_sector(struct fdisk_context *cxt, sector_t secno,
static int dos_write_disklabel(struct fdisk_context *cxt,
struct fdisk_label *lb __attribute__((__unused__)))
{
- int i, rc = 0;
+ size_t i;
+ int rc = 0;
/* MBR (primary partitions) */
if (!MBRbuffer_changed) {
@@ -1016,7 +1038,7 @@ static int dos_write_disklabel(struct fdisk_context *cxt,
goto done;
}
/* EBR (logical partitions) */
- for (i = 4; i < partitions; i++) {
+ for (i = 4; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
if (pe->changed) {
@@ -1039,7 +1061,7 @@ static struct fdisk_parttype *dos_get_parttype(
struct fdisk_parttype *t;
struct partition *p;
- if (partnum >= partitions)
+ if (partnum < 0 || (size_t) partnum >= cxt->label->nparts_max)
return NULL;
p = ptes[partnum].part_table;
@@ -1050,14 +1072,15 @@ static struct fdisk_parttype *dos_get_parttype(
}
static int dos_set_parttype(
- struct fdisk_context *cxt __attribute__((__unused__)),
+ struct fdisk_context *cxt,
struct fdisk_label *lb,
int partnum,
struct fdisk_parttype *t)
{
struct partition *p;
- if (partnum >= partitions || !t || t->type > UINT8_MAX)
+ if (partnum < 0 || (size_t) partnum >= cxt->label->nparts_max
+ || !t || t->type > UINT8_MAX)
return -EINVAL;
p = ptes[partnum].part_table;
@@ -1086,14 +1109,14 @@ static int dos_set_parttype(
* Return 0 if OK. Return i if partition i should have been earlier.
* Two separate checks: primary and logical partitions.
*/
-static int wrong_p_order(int *prev)
+static int wrong_p_order(struct fdisk_context *cxt, size_t *prev)
{
struct pte *pe;
struct partition *p;
- unsigned int last_p_start_pos = 0, p_start_pos;
- int i, last_i = 0;
+ size_t last_p_start_pos = 0, p_start_pos;
+ size_t i, last_i = 0;
- for (i = 0 ; i < partitions; i++) {
+ for (i = 0 ; i < cxt->label->nparts_max; i++) {
if (i == 4) {
last_i = 4;
last_p_start_pos = 0;
@@ -1117,7 +1140,7 @@ static int wrong_p_order(int *prev)
static int is_garbage_table(void)
{
- int i;
+ size_t i;
for (i = 0; i < 4; i++) {
struct pte *pe = &ptes[i];
@@ -1133,7 +1156,7 @@ int dos_list_table(struct fdisk_context *cxt,
int xtra __attribute__ ((__unused__)))
{
struct partition *p;
- int i, w;
+ size_t i, w;
assert(cxt);
assert(fdisk_is_disklabel(cxt, DOS));
@@ -1153,9 +1176,9 @@ int dos_list_table(struct fdisk_context *cxt,
w = 5;
printf(_("%*s Boot Start End Blocks Id System\n"),
- w+1, _("Device"));
+ (int) w + 1, _("Device"));
- for (i = 0; i < partitions; i++) {
+ for (i = 0; i < cxt->label->nparts_max; i++) {
struct pte *pe = &ptes[i];
p = pe->part_table;
@@ -1191,7 +1214,7 @@ int dos_list_table(struct fdisk_context *cxt,
/* Is partition table in disk order? It need not be, but... */
/* partition table entries are not checked for correct order if this
is a sgi, sun or aix labeled disk... */
- if (wrong_p_order(NULL))
+ if (wrong_p_order(cxt, NULL))
printf(_("\nPartition table entries are not in disk order\n"));
return 0;
@@ -1204,16 +1227,16 @@ void dos_list_table_expert(struct fdisk_context *cxt, int extend)
{
struct pte *pe;
struct partition *p;
- int i;
+ size_t i;
printf(_("\nDisk %s: %d heads, %llu sectors, %llu cylinders\n\n"),
cxt->dev_path, cxt->geom.heads, cxt->geom.sectors, cxt->geom.cylinders);
printf(_("Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID\n"));
- for (i = 0 ; i < partitions; i++) {
+ for (i = 0 ; i < cxt->label->nparts_max; i++) {
pe = &ptes[i];
p = (extend ? pe->ext_pointer : pe->part_table);
if (p != NULL) {
- printf("%2d %02x%4d%4d%5d%4d%4d%5d%11lu%11lu %02x\n",
+ printf("%2zd %02x%4d%4d%5d%4d%4d%5d%11lu%11lu %02x\n",
i + 1, p->boot_ind, p->head,
sector(p->sector),
cylinder(p->sector, p->cyl), p->end_head,
@@ -1242,15 +1265,15 @@ void dos_list_table_expert(struct fdisk_context *cxt, int extend)
* sfdisk /dev/hda > ohda; sfdisk /dev/hda < ohda
* may help.
*/
-static void fix_chain_of_logicals(void)
+static void fix_chain_of_logicals(struct fdisk_context *cxt)
{
- int j, oj, ojj, sj, sjj;
+ size_t j, oj, ojj, sj, sjj;
struct partition *pj,*pjj,tmp;
/* Stage 1: sort sectors but leave sector of part 4 */
/* (Its sector is the global extended_offset.) */
stage1:
- for (j = 5; j < partitions-1; j++) {
+ for (j = 5; j < cxt->label->nparts_max - 1; j++) {
oj = ptes[j].offset;
ojj = ptes[j+1].offset;
if (oj > ojj) {
@@ -1270,7 +1293,7 @@ static void fix_chain_of_logicals(void)
/* Stage 2: sort starting sectors */
stage2:
- for (j = 4; j < partitions-1; j++) {
+ for (j = 4; j < cxt->label->nparts_max - 1; j++) {
pj = ptes[j].part_table;
pjj = ptes[j+1].part_table;
sj = get_start_sect(pj);
@@ -1288,21 +1311,21 @@ static void fix_chain_of_logicals(void)
}
/* Probably something was changed */
- for (j = 4; j < partitions; j++)
+ for (j = 4; j < cxt->label->nparts_max; j++)
ptes[j].changed = 1;
}
-void dos_fix_partition_table_order(void)
+void dos_fix_partition_table_order(struct fdisk_context *cxt)
{
struct pte *pei, *pek;
- int i,k;
+ size_t i,k;
- if (!wrong_p_order(NULL)) {
+ if (!wrong_p_order(cxt, NULL)) {
printf(_("Nothing to do. Ordering is correct already.\n\n"));
return;
}
- while ((i = wrong_p_order(&k)) != 0 && i < 4) {
+ while ((i = wrong_p_order(cxt, &k)) != 0 && i < 4) {
/* partition i should have come earlier, move it */
/* We have to move data in the MBR */
struct partition *pi, *pk, *pe, pbuf;
@@ -1324,7 +1347,7 @@ void dos_fix_partition_table_order(void)
}
if (i)
- fix_chain_of_logicals();
+ fix_chain_of_logicals(cxt);
printf(_("Done.\n"));
@@ -1335,7 +1358,7 @@ void dos_move_begin(struct fdisk_context *cxt, int i)
struct pte *pe = &ptes[i];
struct partition *p = pe->part_table;
unsigned int new, free_start, curr_start, last;
- int x;
+ size_t x;
assert(cxt);
assert(fdisk_is_disklabel(cxt, DOS));
@@ -1355,7 +1378,7 @@ void dos_move_begin(struct fdisk_context *cxt, int i)
curr_start = get_partition_start(pe);
/* look for a free space before the current start of the partition */
- for (x = 0; x < partitions; x++) {
+ for (x = 0; x < cxt->label->nparts_max; x++) {
unsigned int end;
struct pte *prev_pe = &ptes[x];
struct partition *prev_p = prev_pe->part_table;
@@ -1409,7 +1432,7 @@ static int dos_get_partition_status(
assert(cxt);
assert(fdisk_is_disklabel(cxt, DOS));
- if (!status || i < 0 || i >= partitions)
+ if (!status || i < 0 || (size_t) i >= cxt->label->nparts_max)
return -EINVAL;
*status = FDISK_PARTSTAT_NONE;
diff --git a/fdisks/fdiskdoslabel.h b/fdisks/fdiskdoslabel.h
index 64d06b818..dfcf6d8d1 100644
--- a/fdisks/fdiskdoslabel.h
+++ b/fdisks/fdiskdoslabel.h
@@ -22,7 +22,6 @@ extern struct pte ptes[MAXIMUM_PARTS];
#define pt_offset(b, n) ((struct partition *)((b) + 0x1be + \
(n) * sizeof(struct partition)))
-extern int ext_index; /* the prime extended partition */
extern sector_t extended_offset;
/* A valid partition table sector ends in 0x55 0xaa */
@@ -50,7 +49,7 @@ extern void dos_init(struct fdisk_context *cxt);
extern int dos_list_table(struct fdisk_context *cxt, int xtra);
extern void dos_list_table_expert(struct fdisk_context *cxt, int extend);
-extern void dos_fix_partition_table_order(void);
+extern void dos_fix_partition_table_order(struct fdisk_context *cxt);
extern void dos_move_begin(struct fdisk_context *cxt, int i);
extern void dos_toggle_active(struct fdisk_context *cxt, int i);
diff --git a/fdisks/fdiskmaclabel.c b/fdisks/fdiskmaclabel.c
index 4a0f4c86c..14307fab0 100644
--- a/fdisks/fdiskmaclabel.c
+++ b/fdisks/fdiskmaclabel.c
@@ -51,7 +51,6 @@ mac_nolabel(struct fdisk_context *cxt)
struct mac_partition *maclabel = (struct mac_partition *) cxt->firstsector;
maclabel->magic = 0;
- partitions = 4;
fdisk_zeroize_firstsector(cxt);
return;
}
@@ -84,7 +83,6 @@ mac_probe_label(struct fdisk_context *cxt,
IS_MAC:
other_endian = (maclabel->magic == MAC_LABEL_MAGIC_SWAPPED); // =?
- partitions= 1016; // =?
volumes = 15; // =?
mac_info();
mac_nolabel(cxt); /* %% */
diff --git a/fdisks/fdisksgilabel.c b/fdisks/fdisksgilabel.c
index 110441bd3..486a3f618 100644
--- a/fdisks/fdisksgilabel.c
+++ b/fdisks/fdisksgilabel.c
@@ -139,6 +139,16 @@ two_s_complement_32bit_sum(unsigned int *base, int size /* in bytes */) {
return sum;
}
+static size_t count_used_partitions(struct fdisk_context *cxt)
+{
+ size_t i, ct = 0;
+
+ for (i = 0; i < cxt->label->nparts_max; i++)
+ ct += sgi_get_num_sectors(cxt, i) > 0;
+
+ return ct;
+}
+
static int
sgi_probe_label(struct fdisk_context *cxt,
struct fdisk_label *lb __attribute__((__unused__)))
@@ -165,14 +175,15 @@ sgi_probe_label(struct fdisk_context *cxt,
fprintf(stderr,
_("Detected sgi disklabel with wrong checksum.\n"));
}
- partitions= 16;
+ cxt->label->nparts_max = 16;
+ cxt->label->nparts_cur = count_used_partitions(cxt);
volumes = 15;
return 1;
}
void
sgi_list_table(struct fdisk_context *cxt, int xtra) {
- int i, w;
+ size_t i, w;
int kpi = 0; /* kernel partition ID */
w = strlen(cxt->dev_path);
@@ -199,8 +210,8 @@ sgi_list_table(struct fdisk_context *cxt, int xtra) {
}
printf(_("----- partitions -----\n"
"Pt# %*s Info Start End Sectors Id System\n"),
- w + 1, _("Device"));
- for (i = 0 ; i < partitions; i++) {
+ (int) w + 1, _("Device"));
+ for (i = 0 ; i < cxt->label->nparts_max; i++) {
if (sgi_get_num_sectors(cxt, i) || debug) {
uint32_t start = sgi_get_start_sector(cxt, i);
uint32_t len = sgi_get_num_sectors(cxt, i);
@@ -208,11 +219,11 @@ sgi_list_table(struct fdisk_context *cxt, int xtra) {
kpi++; /* only count nonempty partitions */
printf(
- "%2d: %s %4s %9ld %9ld %9ld %2x %s\n",
+ "%2zd: %s %4s %9ld %9ld %9ld %2x %s\n",
/* fdisk part number */ i+1,
/* device */ partname(cxt->dev_path, kpi, w+2),
-/* flags */ (sgi_get_swappartition(cxt) == i) ? "swap" :
-/* flags */ (sgi_get_bootpartition(cxt) == i) ? "boot" : " ",
+/* flags */ (sgi_get_swappartition(cxt) == (int) i) ? "swap" :
+/* flags */ (sgi_get_bootpartition(cxt) == (int) i) ? "boot" : " ",
/* start */ (long) scround(start),
/* end */ (long) scround(start+len)-1,
/* no odd flag on end */ (long) len,
@@ -225,12 +236,12 @@ sgi_list_table(struct fdisk_context *cxt, int xtra) {
printf(_("----- Bootinfo -----\nBootfile: %s\n"
"----- Directory Entries -----\n"),
sgilabel->boot_file);
- for (i = 0 ; i < volumes; i++) {
+ for (i = 0 ; i < (size_t) volumes; i++) {
if (sgilabel->directory[i].vol_file_size) {
uint32_t start = SSWAP32(sgilabel->directory[i].vol_file_start);
uint32_t len = SSWAP32(sgilabel->directory[i].vol_file_size);
unsigned char *name = sgilabel->directory[i].vol_file_name;
- printf(_("%2d: %-10s sector%5u size%8u\n"),
+ printf(_("%2zd: %-10s sector%5u size%8u\n"),
i, name, (unsigned int) start,
(unsigned int) len);
}
@@ -620,9 +631,9 @@ static int sgi_set_partition(struct fdisk_context *cxt, int i,
static void
sgi_set_entire(struct fdisk_context *cxt) {
- int n;
+ size_t n;
- for (n=10; n<partitions; n++) {
+ for (n = 10; n < cxt->label->nparts_max; n++) {
if (!sgi_get_num_sectors(cxt, n)) {
sgi_set_partition(cxt, n, 0, sgi_get_lastblock(cxt), SGI_VOLUME);
break;
@@ -634,9 +645,9 @@ static
void
sgi_set_volhdr(struct fdisk_context *cxt)
{
- int n;
+ size_t n;
- for (n=8; n<partitions; n++) {
+ for (n = 8; n < cxt->label->nparts_max; n++) {
if (!sgi_get_num_sectors(cxt, n)) {
/*
* Choose same default volume header size
@@ -653,7 +664,19 @@ static int sgi_delete_partition(struct fdisk_context *cxt,
struct fdisk_label *lb __attribute__((__unused__)),
int partnum)
{
- return sgi_set_partition(cxt, partnum, 0, 0, 0);
+ int rc;
+
+ assert(cxt);
+ assert(cxt->label);
+
+ if (partnum < 0 || (size_t) partnum > cxt->label->nparts_max)
+ return -EINVAL;
+
+ rc = sgi_set_partition(cxt, partnum, 0, 0, 0);
+
+ cxt->label->nparts_cur = count_used_partitions(cxt);
+
+ return rc;
}
static int sgi_add_partition(struct fdisk_context *cxt,
@@ -728,6 +751,8 @@ static int sgi_add_partition(struct fdisk_context *cxt,
"covers the entire disk and is of type `SGI volume'\n"));
sgi_set_partition(cxt, n, first, last-first, sys);
+ cxt->label->nparts_cur = count_used_partitions(cxt);
+
return 0;
}
@@ -838,7 +863,7 @@ static int sgi_create_disklabel(struct fdisk_context *cxt,
sgilabel->devparam.xylogics_writecont = SSWAP16(0);
memset(&(sgilabel->directory), 0, sizeof(struct volume_directory)*15);
memset(&(sgilabel->partitions), 0, sizeof(struct sgi_partition)*16);
- partitions = 16;
+ cxt->label->nparts_max = 16;
volumes = 15;
sgi_set_entire(cxt);
sgi_set_volhdr(cxt);
@@ -847,6 +872,8 @@ static int sgi_create_disklabel(struct fdisk_context *cxt,
sgi_set_partition(cxt, i, old[i].start, old[i].nsect, old[i].sysid);
}
}
+
+ cxt->label->nparts_cur = count_used_partitions(cxt);
return 0;
}
@@ -908,7 +935,7 @@ static struct fdisk_parttype *sgi_get_parttype(struct fdisk_context *cxt,
{
struct fdisk_parttype *t;
- if (n >= partitions)
+ if (n < 0 || (size_t) n >= cxt->label->nparts_max)
return NULL;
t = fdisk_get_parttype_from_code(cxt, sgi_get_sysid(cxt, n));
@@ -922,7 +949,8 @@ static int sgi_set_parttype(struct fdisk_context *cxt,
int i,
struct fdisk_parttype *t)
{
- if (i >= partitions || !t || t->type > UINT32_MAX)
+ if (i < 0 || (size_t) i >= cxt->label->nparts_max
+ || !t || t->type > UINT32_MAX)
return -EINVAL;
if (sgi_get_num_sectors(cxt, i) == 0) /* caught already before, ... */ {
@@ -961,13 +989,12 @@ static int sgi_get_partition_status(
assert(cxt);
assert(fdisk_is_disklabel(cxt, SGI));
- if (!status || i < 0 || i >= partitions)
+ if (!status || i < 0 || (size_t) i >= cxt->label->nparts_max)
return -EINVAL;
*status = FDISK_PARTSTAT_NONE;
- if (sgilabel->partitions[i].num_sectors &&
- sgilabel->partitions[i].num_sectors)
+ if (sgi_get_num_sectors(cxt, i))
*status = FDISK_PARTSTAT_USED;
return 0;
diff --git a/fdisks/gpt.c b/fdisks/gpt.c
index 6070d479b..3a9f54181 100644
--- a/fdisks/gpt.c
+++ b/fdisks/gpt.c
@@ -1061,8 +1061,6 @@ static int gpt_probe_label(struct fdisk_context *cxt, struct fdisk_label *lb)
lb->nparts_max = le32_to_cpu(gpt->pheader->npartition_entries);
lb->nparts_cur = partitions_in_use(gpt->pheader, gpt->ents);
- partitions = lb->nparts_max; /* TODO: deprecated */
-
printf(_("\nWARNING: fdisk GPT support is currently new, and therefore "
"in an experimental phase. Use at your own discretion.\n\n"));
@@ -1660,8 +1658,6 @@ static int gpt_create_disklabel(struct fdisk_context *cxt, struct fdisk_label *l
lb->nparts_max = le32_to_cpu(gpt->pheader->npartition_entries);
lb->nparts_cur = 0;
- partitions = lb->nparts_max; /* TODO: deprecated */
-
uid = &gpt->pheader->disk_guid;
fprintf(stderr, ("Building a new GPT disklabel "
"(GUID: %08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X)\n"),
@@ -1769,8 +1765,6 @@ static void gpt_deinit(struct fdisk_label *lb)
gpt->ents = NULL;
gpt->pheader = NULL;
gpt->bheader = NULL;
-
- partitions = 0;
}
static const struct fdisk_label_operations gpt_operations =