-#if ENABLE_FEATURE_SGI_LABEL
-
/*
* Copyright (C) Andreas Neuper, Sep 1998.
- * This file may be modified and redistributed under
- * the terms of the GNU Public License.
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
+#if ENABLE_FEATURE_SGI_LABEL
+
+#define SGI_DEBUG 0
+
#define SGI_VOLHDR 0x00
/* 1 and 2 were used for drive types no longer supported by SGI */
#define SGI_SWAP 0x03
unsigned short nsect; /* sectors/tracks in cyl 0 or vol 0 */
unsigned short bytes;
unsigned short ilfact;
- unsigned int flags; /* controller flags */
+ unsigned int flags; /* controller flags */
unsigned int datarate;
unsigned int retries_on_error;
unsigned int ms_per_word;
unsigned int vol_file_start; /* number of logical block */
unsigned int vol_file_size; /* number of bytes */
} directory[15];
- struct sgi_partinfo { /* 16 * 12 bytes */
+ struct sgi_partinfo { /* 16 * 12 bytes */
unsigned int num_sectors; /* number of blocks */
unsigned int start_sector; /* must be cylinder aligned */
unsigned int id;
*/
-static int sgi_other_endian;
-static int debug;
-static short sgi_volumes = 1;
+static smallint sgi_other_endian; /* bool */
+static smallint sgi_volumes = 1; /* max 15 */
/*
* only dealing with free blocks here
add2freelist(unsigned int f, unsigned int l)
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
if (freelist[i].last == 0)
break;
setfreelist(i, f, l);
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
setfreelist(i, 0, 0);
}
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
if (freelist[i].first <= b && freelist[i].last >= b)
return freelist[i].last;
return 0;
if (sgilabel->magic != SGI_LABEL_MAGIC
&& sgilabel->magic != SGI_LABEL_MAGIC_SWAPPED
) {
- current_label_type = label_dos;
+ current_label_type = LABEL_DOS;
return 0;
}
printf("Detected sgi disklabel with wrong checksum\n");
}
update_units();
- current_label_type = label_sgi;
- partitions = 16;
+ current_label_type = LABEL_SGI;
+ g_partitions = 16;
sgi_volumes = 15;
return 1;
}
int kpi = 0; /* kernel partition ID */
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"
+ printf("\nDisk %s (SGI disk label): %u heads, %u sectors\n"
+ "%u cylinders, %u physical cylinders\n"
+ "%u extra sects/cyl, interleave %u:1\n"
"%s\n"
- "Units = %s of %d * 512 bytes\n\n",
- disk_device, heads, sectors, cylinders,
+ "Units = %ss of %u * 512 bytes\n\n",
+ disk_device, g_heads, g_sectors, g_cylinders,
SGI_SSWAP16(sgiparam.pcylcount),
SGI_SSWAP16(sgiparam.sparecyl),
SGI_SSWAP16(sgiparam.ilfact),
(char *)sgilabel,
- str_units(PLURAL), units_per_sector);
+ str_units(), units_per_sector);
} else {
printf("\nDisk %s (SGI disk label): "
- "%d heads, %d sectors, %d cylinders\n"
- "Units = %s of %d * 512 bytes\n\n",
- disk_device, heads, sectors, cylinders,
- str_units(PLURAL), units_per_sector );
+ "%u heads, %u sectors, %u cylinders\n"
+ "Units = %ss of %u * 512 bytes\n\n",
+ disk_device, g_heads, g_sectors, g_cylinders,
+ str_units(), units_per_sector );
}
w = strlen(disk_device);
printf("----- partitions -----\n"
"Pt# %*s Info Start End Sectors Id System\n",
w + 2, "Device");
- for (i = 0 ; i < partitions; i++) {
- if (sgi_get_num_sectors(i) || debug ) {
+ for (i = 0; i < g_partitions; i++) {
+ if (sgi_get_num_sectors(i) || SGI_DEBUG) {
uint32_t start = sgi_get_start_sector(i);
uint32_t len = sgi_get_num_sectors(i);
kpi++; /* only count nonempty partitions */
printf(
- "%2d: %s %4s %9ld %9ld %9ld %2x %s\n",
+ "%2u: %s %4s %9lu %9lu %9lu %2x %s\n",
/* fdisk part number */ i+1,
/* device */ partname(disk_device, kpi, w+3),
/* flags */ (sgi_get_swappartition() == i) ? "swap" :
printf("----- Bootinfo -----\nBootfile: %s\n"
"----- Directory Entries -----\n",
sgilabel->boot_file);
- for (i = 0 ; i < sgi_volumes; i++) {
+ 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);
unsigned char *name = sgilabel->directory[i].vol_file_name;
- printf("%2d: %-10s sector%5u size%8u\n",
+ printf("%2u: %-10s sector%5u size%8u\n",
i, (char*)name, (unsigned int) start, (unsigned int) len);
}
}
static unsigned int
sgi_get_lastblock(void)
{
- return heads * sectors * cylinders;
+ return g_heads * g_sectors * g_cylinders;
}
static 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((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8);
+ memcpy((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8);
}
static sgiinfo *fill_sgiinfo(void);
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)
- fdisk_fatal(unable_to_write);
- if (!strncmp((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
+ write_sector(0, sgilabel);
+ if (is_prefixed_with((char*)sgilabel->directory[0].vol_file_name, "sgilabel")) {
/*
* keep this habit of first writing the "sgilabel".
* I never tested whether it works without (AN 981002).
*/
sgiinfo *info = fill_sgiinfo();
int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
- if (lseek(fd, infostartblock*SECTOR_SIZE, SEEK_SET) < 0)
- fdisk_fatal(unable_to_seek);
- if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
- fdisk_fatal(unable_to_write);
+ write_sector(infostartblock, info);
free(info);
}
}
if (sgi_get_sysid(Index[0]) == SGI_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)
+ 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",
+ "not at diskblock %u\n",
sgi_get_start_sector(Index[0]));
- if (debug) /* I do not understand how some disks fulfil it */
+ }
+ if (SGI_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",
+ printf("The entire disk partition is only %u diskblock large,\n"
+ "but the disk is %u 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",
+ if (SGI_DEBUG > 2)
+ printf("sysid=%u\tpartition=%u\n",
sgi_get_sysid(Index[0]), Index[0]+1);
}
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 (SGI_DEBUG) /* I do not understand how some disks fulfil it */
if (verbose)
- printf("Partition %d does not start on cylinder boundary\n",
+ printf("Partition %u 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 (SGI_DEBUG) /* I do not understand how some disks fulfil it */
if (verbose)
- printf("Partition %d does not end on cylinder boundary\n",
+ printf("Partition %u does not end on cylinder boundary\n",
Index[i]+1);
}
/* We cannot handle several "entire disk" entries. */
if (sgi_get_sysid(Index[i]) == SGI_ENTIRE_DISK) continue;
if (start > sgi_get_start_sector(Index[i])) {
if (verbose)
- printf("Partitions %d and %d overlap by %d sectors\n",
+ printf("Partitions %u and %u overlap by %u sectors\n",
Index[i-1]+1, Index[i]+1,
start - sgi_get_start_sector(Index[i]));
if (gap > 0) gap = -gap;
}
if (start < sgi_get_start_sector(Index[i])) {
if (verbose)
- printf("Unused gap of %8u sectors - sectors %8u-%8u\n",
+ printf("Unused gap of %u sectors - sectors %u-%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;
}
start = sgi_get_start_sector(Index[i])
+ sgi_get_num_sectors(Index[i]);
- if (debug > 1) {
+ if (SGI_DEBUG > 1) {
if (verbose)
- printf("%2d:%12d\t%12d\t%12d\n", Index[i],
+ printf("%2u:%12u\t%12u\t%12u\n", Index[i],
sgi_get_start_sector(Index[i]),
sgi_get_num_sectors(Index[i]),
sgi_get_sysid(Index[i]));
}
if (start < lastblock) {
if (verbose)
- printf("Unused gap of %8u sectors - sectors %8u-%8u\n",
+ printf("Unused gap of %u sectors - sectors %u-%u\n",
lastblock - start, start, lastblock-1);
gap += lastblock - start;
add2freelist(start, lastblock);
static void
sgi_change_sysid(int i, int sys)
{
- if (sgi_get_num_sectors(i) == 0 ) { /* caught already before, ... */
+ if (sgi_get_num_sectors(i) == 0) { /* caught already before, ... */
printf("Sorry you may change the Tag of non-empty partitions\n");
return;
}
"retrieve from its directory standalone tools like sash and fx.\n"
"Only the \"SGI volume\" entire disk section may violate this.\n"
"Type YES if you are sure about tagging this partition differently.\n");
- if (strcmp(line_ptr, "YES\n") != 0)
+ if (strcmp(line_ptr, "YES") != 0)
return;
}
sgilabel->partitions[i].id = SGI_SSWAP32(sys);
{
int n;
- for (n = 10; n < partitions; n++) {
+ for (n = 10; n < g_partitions; n++) {
if (!sgi_get_num_sectors(n) ) {
sgi_set_partition(n, 0, sgi_get_lastblock(), SGI_VOLUME);
break;
{
int n;
- for (n = 8; n < partitions; n++) {
- if (!sgi_get_num_sectors(n)) {
- /*
- * 5 cylinders is an arbitrary value I like
- * IRIX 5.3 stored files in the volume header
- * (like sash, symmon, fx, ide) with ca. 3200
- * sectors.
- */
- if (heads * sectors * 5 < sgi_get_lastblock())
- sgi_set_partition(n, 0, heads * sectors * 5, SGI_VOLHDR);
- break;
+ for (n = 8; n < g_partitions; n++) {
+ if (!sgi_get_num_sectors(n)) {
+ /*
+ * 5 cylinders is an arbitrary value I like
+ * IRIX 5.3 stored files in the volume header
+ * (like sash, symmon, fx, ide) with ca. 3200
+ * sectors.
+ */
+ if (g_heads * g_sectors * 5 < sgi_get_lastblock()) {
+ sgi_set_partition(n, 0, g_heads * g_sectors * 5, SGI_VOLHDR);
+ break;
+ }
}
}
}
printf("You got a partition overlap on the disk. Fix it first!\n");
return;
}
- snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
+ snprintf(mesg, sizeof(mesg), "First %s", str_units());
while (1) {
if (sys == SGI_VOLUME) {
last = sgi_get_lastblock();
printf("You will get a partition overlap on the disk. "
"Fix it first!\n");
}
- snprintf(mesg, sizeof(mesg), " Last %s", str_units(SINGULAR));
+ snprintf(mesg, sizeof(mesg), " Last %s", str_units());
last = read_int(scround(first), scround(last)-1, scround(last)-1,
scround(first), mesg)+1;
if (display_in_cyl_units)
printf(msg_building_new_label, "SGI disklabel");
- sgi_other_endian = (BYTE_ORDER == LITTLE_ENDIAN);
- res = ioctl(fd, BLKGETSIZE, &longsectors);
- if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
- heads = geometry.heads;
- sectors = geometry.sectors;
+ sgi_other_endian = BB_LITTLE_ENDIAN;
+ res = ioctl(dev_fd, BLKGETSIZE, &longsectors);
+ if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
+ g_heads = geometry.heads;
+ g_sectors = geometry.sectors;
if (res == 0) {
/* the get device size ioctl was successful */
- cylinders = longsectors / (heads * sectors);
- cylinders /= sec_fac;
+ g_cylinders = longsectors / (g_heads * g_sectors);
+ g_cylinders /= sec_fac;
} else {
/* otherwise print error and use truncated version */
- cylinders = geometry.cylinders;
+ g_cylinders = geometry.cylinders;
printf(
-"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);
+"Warning: BLKGETSIZE ioctl failed on %s. Using geometry cylinder value of %u.\n"
+"This value may be truncated for devices > 33.8 GB.\n", disk_device, g_cylinders);
}
}
for (i = 0; i < 4; i++) {
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",
+ printf("Trying to keep parameters of partition %u\n", i);
+ if (SGI_DEBUG)
+ printf("ID=%02x\tSTART=%u\tLENGTH=%u\n",
old[i].sysid, old[i].start, old[i].nsect);
}
}
//sgilabel->devparam.xylogics_writecont = SGI_SSWAP16(0);
//memset( &(sgilabel->directory), 0, sizeof(struct volume_directory)*15 );
//memset( &(sgilabel->partitions), 0, sizeof(struct sgi_partinfo)*16 );
- current_label_type = label_sgi;
- partitions = 16;
+ current_label_type = LABEL_SGI;
+ g_partitions = 16;
sgi_volumes = 15;
sgi_set_entire();
sgi_set_volhdr();
projects / oweals / busybox.git / blobdiff