+/* vi: set sw=4 ts=4: */
/*
* sfdisk version 3.0 - aeb - 950813
*
#include "internal.h"
#include <stdio.h>
-#include <stdlib.h> /* atoi, free */
-#include <stdarg.h> /* varargs */
-#include <unistd.h> /* read, write */
-#include <fcntl.h> /* O_RDWR */
-#include <errno.h> /* ERANGE */
-#include <string.h> /* index() */
+#include <stdlib.h> /* atoi, free */
+#include <stdarg.h> /* varargs */
+#include <unistd.h> /* read, write */
+#include <fcntl.h> /* O_RDWR */
+#include <errno.h> /* ERANGE */
+#include <string.h> /* index() */
#include <ctype.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
-#include <linux/unistd.h> /* _syscall */
-#include <linux/hdreg.h> /* HDIO_GETGEO */
-#include <linux/fs.h> /* BLKGETSIZE */
+#include <linux/unistd.h> /* _syscall */
+#include <linux/hdreg.h> /* HDIO_GETGEO */
+#include <linux/fs.h> /* BLKGETSIZE */
+#define BB_DECLARE_EXTERN
+#define bb_need_memory_exhausted
+#include "messages.c"
static const char sfdisk_usage[] =
-"Usage: sfdisk [options] device ...\n"
-"device: something like /dev/hda or /dev/sda\n"
-"useful options:\n"
-" -s [or --show-size]: list size of a partition\n"
-" -c [or --id]: print or change partition Id\n"
-" -l [or --list]: list partitions of each device\n"
-" -d [or --dump]: idem, but in a format suitable for later input\n"
-" -i [or --increment]: number cylinders etc. from 1 instead of from 0\n"
-" -uS, -uB, -uC, -uM: accept/report in units of sectors/blocks/cylinders/MB\n"
-" -T [or --list-types]:list the known partition types\n"
-" -D [or --DOS]: for DOS-compatibility: waste a little space\n"
-" -R [or --re-read]: make kernel reread partition table\n"
-" -N# : change only the partition with number #\n"
-" -n : do not actually write to disk\n"
-" -O file : save the sectors that will be overwritten to file\n"
-" -I file : restore these sectors again\n"
-" -v [or --version]: print version\n"
-" -? [or --help]: print this message\n"
-"dangerous options:\n"
-" -g [or --show-geometry]: print the kernel's idea of the geometry\n"
-" -x [or --show-extended]: also list extended partitions on output\n\n"
-" or expect descriptors for them on input\n"
-" -L [or --Linux]: do not complain about things irrelevant for Linux\n"
-" -q [or --quiet]: suppress warning messages\n"
-" You can override the detected geometry using:\n"
-" -C# [or --cylinders #]:set the number of cylinders to use\n"
-" -H# [or --heads #]: set the number of heads to use\n"
-" -S# [or --sectors #]: set the number of sectors to use\n"
-"You can disable all consistency checking with:\n"
-" -f [or --force]: do what I say, even if it is stupid\n";
+ "sfdisk [options] device ...\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\ndevice: something like /dev/hda or /dev/sda\n"
+ "useful options:\n"
+ " -s [or --show-size]: list size of a partition\n"
+ " -c [or --id]: print or change partition Id\n"
+ " -l [or --list]: list partitions of each device\n"
+ " -d [or --dump]: idem, but in a format suitable for later input\n"
+ " -i [or --increment]: number cylinders etc. from 1 instead of from 0\n"
+ " -uS, -uB, -uC, -uM: accept/report in units of sectors/blocks/cylinders/MB\n"
+ " -T [or --list-types]:list the known partition types\n"
+ " -D [or --DOS]: for DOS-compatibility: waste a little space\n"
+ " -R [or --re-read]: make kernel reread partition table\n"
+ " -N# : change only the partition with number #\n"
+ " -n : do not actually write to disk\n"
+ " -O file : save the sectors that will be overwritten to file\n"
+ " -I file : restore these sectors again\n"
+ " -v [or --version]: print version\n"
+ " -? [or --help]: print this message\n"
+ "dangerous options:\n"
+ " -g [or --show-geometry]: print the kernel's idea of the geometry\n"
+ " -x [or --show-extended]: also list extended partitions on output\n\n"
+ " or expect descriptors for them on input\n"
+ " -L [or --Linux]: do not complain about things irrelevant for Linux\n"
+ " -q [or --quiet]: suppress warning messages\n"
+ " You can override the detected geometry using:\n"
+ " -C# [or --cylinders #]:set the number of cylinders to use\n"
+ " -H# [or --heads #]: set the number of heads to use\n"
+ " -S# [or --sectors #]: set the number of sectors to use\n"
+
+ "You can disable all consistency checking with:\n"
+ " -f [or --force]: do what I say, even if it is stupid\n"
+#endif
+ ;
{0x02, "XENIX root"},
{0x03, "XENIX usr"},
{0x04, "FAT16 <32M"},
- {0x05, "Extended"}, /* DOS 3.3+ extended partition */
- {0x06, "FAT16"}, /* DOS 16-bit >=32M */
- {0x07, "HPFS/NTFS"}, /* OS/2 IFS, eg, HPFS or NTFS or QNX */
- {0x08, "AIX"}, /* AIX boot (AIX -- PS/2 port or SplitDrive) */
- {0x09, "AIX bootable"}, /* AIX data or Coherent */
- {0x0a, "OS/2 Boot Manager"},/* OS/2 Boot Manager */
+ {0x05, "Extended"}, /* DOS 3.3+ extended partition */
+ {0x06, "FAT16"}, /* DOS 16-bit >=32M */
+ {0x07, "HPFS/NTFS"}, /* OS/2 IFS, eg, HPFS or NTFS or QNX */
+ {0x08, "AIX"}, /* AIX boot (AIX -- PS/2 port or SplitDrive) */
+ {0x09, "AIX bootable"}, /* AIX data or Coherent */
+ {0x0a, "OS/2 Boot Manager"}, /* OS/2 Boot Manager */
{0x0b, "Win95 FAT32"},
- {0x0c, "Win95 FAT32 (LBA)"},/* LBA really is `Extended Int 13h' */
+ {0x0c, "Win95 FAT32 (LBA)"}, /* LBA really is `Extended Int 13h' */
{0x0e, "Win95 FAT16 (LBA)"},
{0x0f, "Win95 Ext'd (LBA)"},
{0x10, "OPUS"},
{0x4f, "QNX4.x 3rd part"},
{0x50, "OnTrack DM"},
{0x51, "OnTrack DM6 Aux1"}, /* (or Novell) */
- {0x52, "CP/M"}, /* CP/M or Microport SysV/AT */
+ {0x52, "CP/M"}, /* CP/M or Microport SysV/AT */
{0x53, "OnTrack DM6 Aux3"},
{0x54, "OnTrackDM6"},
{0x55, "EZ-Drive"},
{0x65, "Novell Netware 386"},
{0x70, "DiskSecure Multi-Boot"},
{0x75, "PC/IX"},
- {0x80, "Old Minix"}, /* Minix 1.4a and earlier */
- {0x81, "Minix / old Linux"},/* Minix 1.4b and later */
- {0x82, "Linux swap"}, /* also Solaris */
+ {0x80, "Old Minix"}, /* Minix 1.4a and earlier */
+ {0x81, "Minix / old Linux"}, /* Minix 1.4b and later */
+ {0x82, "Linux swap"}, /* also Solaris */
{0x83, "Linux"},
{0x84, "OS/2 hidden C: drive"},
{0x85, "Linux extended"},
{0x86, "NTFS volume set"},
{0x87, "NTFS volume set"},
{0x93, "Amoeba"},
- {0x94, "Amoeba BBT"}, /* (bad block table) */
+ {0x94, "Amoeba BBT"}, /* (bad block table) */
{0xa0, "IBM Thinkpad hibernation"},
{0xa5, "BSD/386"},
{0xa6, "OpenBSD"},
{0xc4, "DRDOS/sec (FAT-16 < 32M)"},
{0xc6, "DRDOS/sec (FAT-16)"},
{0xc7, "Syrinx"},
- {0xdb, "CP/M / CTOS / ..."},/* CP/M or Concurrent CP/M or Concurrent DOS or CTOS */
- {0xe1, "DOS access"}, /* DOS access or SpeedStor 12-bit FAT extended partition */
- {0xe3, "DOS R/O"}, /* DOS R/O or SpeedStor */
- {0xe4, "SpeedStor"}, /* SpeedStor 16-bit FAT extended partition < 1024 cyl. */
+ {0xdb, "CP/M / CTOS / ..."}, /* CP/M or Concurrent CP/M or Concurrent DOS or CTOS */
+ {0xe1, "DOS access"}, /* DOS access or SpeedStor 12-bit FAT extended partition */
+ {0xe3, "DOS R/O"}, /* DOS R/O or SpeedStor */
+ {0xe4, "SpeedStor"}, /* SpeedStor 16-bit FAT extended partition < 1024 cyl. */
{0xeb, "BeOS fs"},
{0xf1, "SpeedStor"},
- {0xf4, "SpeedStor"}, /* SpeedStor large partition */
+ {0xf4, "SpeedStor"}, /* SpeedStor large partition */
{0xf2, "DOS secondary"}, /* DOS 3.3+ secondary */
- {0xfd, "Linux raid autodetect"},/* New (2.2.x) raid partition with autodetect
- using persistent superblock */
- {0xfe, "LANstep"}, /* SpeedStor >1024 cyl. or LANstep */
- {0xff, "BBT"}, /* Xenix Bad Block Table */
- { 0, 0 }
+ {0xfd, "Linux raid autodetect"}, /* New (2.2.x) raid partition with autodetect
+ using persistent superblock */
+ {0xfe, "LANstep"}, /* SpeedStor >1024 cyl. or LANstep */
+ {0xff, "BBT"}, /* Xenix Bad Block Table */
+ {0, 0}
};
#define SIZE(a) (sizeof(a)/sizeof(a[0]))
*/
static int exit_status = 0;
-static int force = 0; /* 1: do what I say, even if it is stupid ... */
-static int quiet = 0; /* 1: suppress all warnings */
-static int Linux = 0; /* 1: suppress warnings irrelevant for Linux */
-static int DOS = 0; /* 1: shift extended partitions by #sectors, not 1 */
-static int dump = 0; /* 1: list in a format suitable for later input */
-static int verify = 0; /* 1: check that listed partition is reasonable */
-static int no_write = 0; /* 1: do not actually write to disk */
-static int no_reread = 0; /* 1: skip the BLKRRPART ioctl test at startup */
-static int leave_last = 0; /* 1: don't allocate the last cylinder */
+static int force = 0; /* 1: do what I say, even if it is stupid ... */
+static int quiet = 0; /* 1: suppress all warnings */
+static int Linux = 0; /* 1: suppress warnings irrelevant for Linux */
+static int DOS = 0; /* 1: shift extended partitions by #sectors, not 1 */
+static int dump = 0; /* 1: list in a format suitable for later input */
+static int verify = 0; /* 1: check that listed partition is reasonable */
+static int no_write = 0; /* 1: do not actually write to disk */
+static int no_reread = 0; /* 1: skip the BLKRRPART ioctl test at startup */
+static int leave_last = 0; /* 1: don't allocate the last cylinder */
static int opt_list = 0;
static char *save_sector_file = NULL;
static char *restore_sector_file = NULL;
-static void
-warn(char *s, ...) {
- va_list p;
-
- va_start(p, s);
- fflush(stdout);
- if (!quiet)
- vfprintf (stderr, s, p);
- va_end(p);
-}
-
-static void
-error(char *s, ...) {
- va_list p;
+static void warn(char *s, ...) __attribute__ ((format (printf, 1, 2)));
+static void warn(char *s, ...)
+{
+ va_list p;
- va_start(p, s);
- fflush(stdout);
- fprintf(stderr, "\n" PROGNAME ": ");
- vfprintf(stderr, s, p);
- va_end(p);
-}
-
-static void
-fatal(char *s, ...) {
- va_list p;
-
- va_start(p, s);
- fflush(stdout);
- fprintf(stderr, "\n" PROGNAME ": ");
- vfprintf(stderr, s, p);
- va_end(p);
- exit(1);
+ va_start(p, s);
+ fflush(stdout);
+ if (!quiet)
+ vfprintf(stderr, s, p);
+ va_end(p);
}
/*
*/
#ifndef __alpha__
static
-_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
- loff_t *, res, uint, wh);
+_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
+ loff_t *, res, uint, wh);
#endif
-static int
-sseek(char *dev, unsigned int fd, unsigned long s) {
- loff_t in, out;
- in = ((loff_t) s << 9);
- out = 1;
+static int sseek(char *dev, unsigned int fd, unsigned long s)
+{
+ loff_t in, out;
+
+ in = ((loff_t) s << 9);
+ out = 1;
#ifndef __alpha__
- if (_llseek (fd, in>>32, in & 0xffffffff, &out, SEEK_SET) != 0) {
+ if (_llseek(fd, in >> 32, in & 0xffffffff, &out, SEEK_SET) != 0) {
#else
- if ((out = lseek(fd, in, SEEK_SET)) != in) {
+ if ((out = lseek(fd, in, SEEK_SET)) != in) {
#endif
- perror("llseek");
- error("seek error on %s - cannot seek to %lu\n", dev, s);
- return 0;
- }
+ perror("llseek");
+ errorMsg("seek error on %s - cannot seek to %lu\n", dev, s);
+ return 0;
+ }
- if (in != out) {
- error("seek error: wanted 0x%08x%08x, got 0x%08x%08x\n",
- (uint)(in>>32), (uint)(in & 0xffffffff),
- (uint)(out>>32), (uint)(out & 0xffffffff));
- return 0;
- }
- return 1;
+ if (in != out) {
+ errorMsg("seek error: wanted 0x%08x%08x, got 0x%08x%08x\n",
+ (uint) (in >> 32), (uint) (in & 0xffffffff),
+ (uint) (out >> 32), (uint) (out & 0xffffffff));
+ return 0;
+ }
+ return 1;
}
/*
* have to be modified and written back.
*/
struct sector {
- struct sector *next;
- unsigned long sectornumber;
- int to_be_written;
- char data[512];
+ struct sector *next;
+ unsigned long sectornumber;
+ int to_be_written;
+ char data[512];
} *sectorhead;
-static void
-free_sectors(void) {
- struct sector *s;
+static void free_sectors(void)
+{
+ struct sector *s;
- while (sectorhead) {
- s = sectorhead;
- sectorhead = s->next;
- free(s);
- }
+ while (sectorhead) {
+ s = sectorhead;
+ sectorhead = s->next;
+ free(s);
+ }
}
-static struct sector *
-get_sector(char *dev, int fd, unsigned long sno) {
- struct sector *s;
+static struct sector *get_sector(char *dev, int fd, unsigned long sno)
+{
+ struct sector *s;
- for(s = sectorhead; s; s = s->next)
- if(s->sectornumber == sno)
- return s;
+ for (s = sectorhead; s; s = s->next)
+ if (s->sectornumber == sno)
+ return s;
- if (!sseek(dev, fd, sno))
- return 0;
+ if (!sseek(dev, fd, sno))
+ return 0;
- if (!(s = (struct sector *) malloc(sizeof(struct sector))))
- fatal("out of memory - giving up\n");
+ s = (struct sector *) xmalloc(sizeof(struct sector));
- if (read(fd, s->data, sizeof(s->data)) != sizeof(s->data)) {
- perror("read");
- error("read error on %s - cannot read sector %lu\n", dev, sno);
- free(s);
- return 0;
- }
-
- s->next = sectorhead;
- sectorhead = s;
- s->sectornumber = sno;
- s->to_be_written = 0;
+ if (read(fd, s->data, sizeof(s->data)) != sizeof(s->data)) {
+ perror("read");
+ errorMsg("read error on %s - cannot read sector %lu\n", dev, sno);
+ free(s);
+ return 0;
+ }
- return s;
-}
+ s->next = sectorhead;
+ sectorhead = s;
+ s->sectornumber = sno;
+ s->to_be_written = 0;
-static int
-msdos_signature (struct sector *s) {
- if (*(unsigned short *) (s->data + 0x1fe) != 0xaa55) {
- error("ERROR: sector %lu does not have an msdos signature\n",
- s->sectornumber);
- return 0;
- }
- return 1;
+ return s;
}
-static int
-write_sectors(char *dev, int fd) {
- struct sector *s;
-
- for (s = sectorhead; s; s = s->next)
- if (s->to_be_written) {
- if (!sseek(dev, fd, s->sectornumber))
- return 0;
- if (write(fd, s->data, sizeof(s->data)) != sizeof(s->data)) {
- perror("write");
- error("write error on %s - cannot write sector %lu\n",
- dev, s->sectornumber);
+static int msdos_signature(struct sector *s)
+{
+ if (*(unsigned short *) (s->data + 0x1fe) != 0xaa55) {
+ errorMsg("ERROR: sector %lu does not have an msdos signature\n",
+ s->sectornumber);
return 0;
- }
- s->to_be_written = 0;
}
- return 1;
+ return 1;
}
-static void
-ulong_to_chars(unsigned long u, char *uu) {
- int i;
+static int write_sectors(char *dev, int fd)
+{
+ struct sector *s;
- for(i=0; i<4; i++) {
- uu[i] = (u & 0xff);
- u >>= 8;
- }
+ for (s = sectorhead; s; s = s->next)
+ if (s->to_be_written) {
+ if (!sseek(dev, fd, s->sectornumber))
+ return 0;
+ if (write(fd, s->data, sizeof(s->data)) != sizeof(s->data)) {
+ perror("write");
+ errorMsg("write error on %s - cannot write sector %lu\n",
+ dev, s->sectornumber);
+ return 0;
+ }
+ s->to_be_written = 0;
+ }
+ return 1;
}
-static unsigned long
-chars_to_ulong(unsigned char *uu) {
- int i;
- unsigned long u = 0;
+static void ulong_to_chars(unsigned long u, char *uu)
+{
+ int i;
- for(i=3; i>=0; i--)
- u = (u << 8) | uu[i];
- return u;
+ for (i = 0; i < 4; i++) {
+ uu[i] = (u & 0xff);
+ u >>= 8;
+ }
}
-static int
-save_sectors(char *dev, int fdin) {
- struct sector *s;
- char ss[516];
- int fdout;
-
- fdout = open(save_sector_file, O_WRONLY | O_CREAT, 0444);
- if (fdout < 0) {
- perror(save_sector_file);
- error("cannot open partition sector save file (%s)\n",
- save_sector_file);
- return 0;
- }
+static unsigned long chars_to_ulong(unsigned char *uu)
+{
+ int i;
+ unsigned long u = 0;
- for (s = sectorhead; s; s = s->next)
- if (s->to_be_written) {
- ulong_to_chars(s->sectornumber, ss);
- if (!sseek(dev, fdin, s->sectornumber))
- return 0;
- if (read(fdin, ss+4, 512) != 512) {
- perror("read");
- error("read error on %s - cannot read sector %lu\n",
- dev, s->sectornumber);
- return 0;
- }
- if (write(fdout, ss, sizeof(ss)) != sizeof(ss)) {
- perror("write");
- error("write error on %s\n"), save_sector_file;
+ for (i = 3; i >= 0; i--)
+ u = (u << 8) | uu[i];
+ return u;
+}
+
+static int save_sectors(char *dev, int fdin)
+{
+ struct sector *s;
+ char ss[516];
+ int fdout;
+
+ fdout = open(save_sector_file, O_WRONLY | O_CREAT, 0444);
+ if (fdout < 0) {
+ perror(save_sector_file);
+ errorMsg("cannot open partition sector save file (%s)\n",
+ save_sector_file);
return 0;
- }
}
- return 1;
+
+ for (s = sectorhead; s; s = s->next)
+ if (s->to_be_written) {
+ ulong_to_chars(s->sectornumber, ss);
+ if (!sseek(dev, fdin, s->sectornumber))
+ return 0;
+ if (read(fdin, ss + 4, 512) != 512) {
+ perror("read");
+ errorMsg("read error on %s - cannot read sector %lu\n",
+ dev, s->sectornumber);
+ return 0;
+ }
+ if (write(fdout, ss, sizeof(ss)) != sizeof(ss)) {
+ perror("write");
+ errorMsg("write error on %s\n", save_sector_file);
+ return 0;
+ }
+ }
+ return 1;
}
static void reread_disk_partition(char *dev, int fd);
-static int
-restore_sectors(char *dev) {
- int fdin, fdout, ct;
- struct stat statbuf;
- char *ss0, *ss;
- unsigned long sno;
-
- if (stat(restore_sector_file, &statbuf) < 0) {
- perror(restore_sector_file);
- error("cannot stat partition restore file (%s)\n",
- restore_sector_file);
- return 0;
- }
- if (statbuf.st_size % 516) {
- error("partition restore file has wrong size - not restoring\n");
- return 0;
- }
- if (!(ss = (char *) malloc(statbuf.st_size))) {
- error("out of memory?\n");
- return 0;
- }
- fdin = open(restore_sector_file, O_RDONLY);
- if (fdin < 0) {
- perror(restore_sector_file);
- error("cannot open partition restore file (%s)\n",
- restore_sector_file);
- return 0;
- }
- if (read(fdin, ss, statbuf.st_size) != statbuf.st_size) {
- perror("read");
- error("error reading %s\n"), restore_sector_file;
- return 0;
- }
+static int restore_sectors(char *dev)
+{
+ int fdin, fdout, ct;
+ struct stat statbuf;
+ char *ss0, *ss;
+ unsigned long sno;
+
+ if (stat(restore_sector_file, &statbuf) < 0) {
+ perror(restore_sector_file);
+ errorMsg("cannot stat partition restore file (%s)\n",
+ restore_sector_file);
+ return 0;
+ }
+ if (statbuf.st_size % 516) {
+ errorMsg("partition restore file has wrong size - not restoring\n");
+ return 0;
+ }
+ if (!(ss = (char *) malloc(statbuf.st_size))) {
+ errorMsg(memory_exhausted, "sfdisk");
+ return 0;
+ }
+ fdin = open(restore_sector_file, O_RDONLY);
+ if (fdin < 0) {
+ perror(restore_sector_file);
+ errorMsg("cannot open partition restore file (%s)\n",
+ restore_sector_file);
+ return 0;
+ }
+ if (read(fdin, ss, statbuf.st_size) != statbuf.st_size) {
+ perror("read");
+ errorMsg("error reading %s\n", restore_sector_file);
+ return 0;
+ }
- fdout = open(dev, O_WRONLY);
- if (fdout < 0) {
- perror(dev);
- error("cannot open device %s for writing\n"), dev;
- return 0;
- }
+ fdout = open(dev, O_WRONLY);
+ if (fdout < 0) {
+ perror(dev);
+ errorMsg("cannot open device %s for writing\n", dev);
+ return 0;
+ }
- ss0 = ss;
- ct = statbuf.st_size/516;
- while(ct--) {
- sno = chars_to_ulong(ss);
- if (!sseek(dev, fdout, sno))
- return 0;
- if (write(fdout, ss+4, 512) != 512) {
- perror(dev);
- error("error writing sector %lu on %s\n", sno, dev);
- return 0;
+ ss0 = ss;
+ ct = statbuf.st_size / 516;
+ while (ct--) {
+ sno = chars_to_ulong(ss);
+ if (!sseek(dev, fdout, sno))
+ return 0;
+ if (write(fdout, ss + 4, 512) != 512) {
+ perror(dev);
+ errorMsg("error writing sector %lu on %s\n", sno, dev);
+ return 0;
+ }
+ ss += 516;
}
- ss += 516;
- }
- free(ss0);
+ free(ss0);
- reread_disk_partition(dev, fdout);
+ reread_disk_partition(dev, fdout);
- return 1;
+ return 1;
}
/*
unsigned long heads, sectors, cylinders;
} B, F, U;
-static void
-get_cylindersize(char *dev, int fd, int silent) {
- struct hd_geometry g;
- int ioctl_ok = 0;
-
- B.heads = B.sectors = B.cylinders = 0;
-
- if (!ioctl(fd, HDIO_GETGEO, &g)) {
- ioctl_ok = 1;
-
- B.heads = g.heads;
- B.sectors = g.sectors;
- B.cylinders = g.cylinders;
- }
-
- if (U.heads)
- B.heads = U.heads;
- if (U.sectors)
- B.sectors = U.sectors;
- if (U.cylinders)
- B.cylinders = U.cylinders;
-
- B.cylindersize = B.heads * B.sectors;
-
- if (ioctl_ok) {
- if (g.start && !force) {
- warn(
- "Warning: start=%d - this looks like a partition rather than\n"
- "the entire disk. Using fdisk on it is probably meaningless.\n"
- "[Use the --force option if you really want this]\n", g.start);
- exit(1);
- }
- if (B.heads != g.heads)
- warn("Warning: HDIO_GETGEO says that there are %d heads\n",
- g.heads);
- if (B.sectors != g.sectors)
- warn("Warning: HDIO_GETGEO says that there are %d sectors\n",
- g.sectors);
- if (B.cylinders != g.cylinders)
- warn("Warning: HDIO_GETGEO says that there are %d cylinders\n",
- g.cylinders);
- } else if (!silent)
- if (!B.heads || !B.sectors || !B.cylinders)
- printf("Disk %s: cannot get geometry\n", dev);
- if (B.sectors > 63)
- warn("Warning: unlikely number of sectors (%d - usually at most 63\n"
- "This will give problems with all software that uses C/H/S addressing.\n",
- B.sectors);
- if (!silent)
- printf("\nDisk %s: %lu cylinders, %lu heads, %lu sectors/track\n",
- dev, B.cylinders, B.heads, B.sectors);
-}
-
-typedef struct { unsigned char h,s,c; } chs; /* has some c bits in s */
-static chs zero_chs = { 0,0,0 };
-
-typedef struct { unsigned long h,s,c; } longchs;
+static void get_cylindersize(char *dev, int fd, int silent)
+{
+ struct hd_geometry g;
+ int ioctl_ok = 0;
+
+ B.heads = B.sectors = B.cylinders = 0;
+
+ if (!ioctl(fd, HDIO_GETGEO, &g)) {
+ ioctl_ok = 1;
+
+ B.heads = g.heads;
+ B.sectors = g.sectors;
+ B.cylinders = g.cylinders;
+ }
+
+ if (U.heads)
+ B.heads = U.heads;
+ if (U.sectors)
+ B.sectors = U.sectors;
+ if (U.cylinders)
+ B.cylinders = U.cylinders;
+
+ B.cylindersize = B.heads * B.sectors;
+
+ if (ioctl_ok) {
+ if (g.start && !force) {
+ warn
+ ("Warning: start=%ld - this looks like a partition rather than\n"
+ "the entire disk. Using fdisk on it is probably meaningless.\n"
+ "[Use the --force option if you really want this]\n",
+ g.start);
+ exit(1);
+ }
+ if (B.heads != g.heads)
+ warn("Warning: HDIO_GETGEO says that there are %d heads\n",
+ g.heads);
+ if (B.sectors != g.sectors)
+ warn("Warning: HDIO_GETGEO says that there are %d sectors\n",
+ g.sectors);
+ if (B.cylinders != g.cylinders)
+ warn("Warning: HDIO_GETGEO says that there are %d cylinders\n",
+ g.cylinders);
+ } else if (!silent)
+ if (!B.heads || !B.sectors || !B.cylinders)
+ printf("Disk %s: cannot get geometry\n", dev);
+ if (B.sectors > 63)
+ warn
+ ("Warning: unlikely number of sectors (%ld - usually at most 63\n"
+ "This will give problems with all software that uses C/H/S addressing.\n",
+ B.sectors);
+ if (!silent)
+ printf("\nDisk %s: %lu cylinders, %lu heads, %lu sectors/track\n",
+ dev, B.cylinders, B.heads, B.sectors);
+}
+
+typedef struct {
+ unsigned char h, s, c;
+} chs; /* has some c bits in s */
+static chs zero_chs = { 0, 0, 0 };
+
+typedef struct {
+ unsigned long h, s, c;
+} longchs;
static longchs zero_longchs;
-static chs
-longchs_to_chs (longchs aa, struct geometry G) {
- chs a;
-
- if (aa.h < 256 && aa.s < 64 && aa.c < 1024) {
- a.h = aa.h;
- a.s = aa.s | ((aa.c >> 2) & 0xc0);
- a.c = (aa.c & 0xff);
- } else if (G.heads && G.sectors) {
- a.h = G.heads - 1;
- a.s = G.sectors | 0xc0;
- a.c = 0xff;
- } else
- a = zero_chs;
- return a;
-}
-
-static longchs
-chs_to_longchs (chs a) {
- longchs aa;
-
- aa.h = a.h;
- aa.s = (a.s & 0x3f);
- aa.c = (a.s & 0xc0);
- aa.c = (aa.c << 2) + a.c;
- return aa;
-}
-
-static longchs
-ulong_to_longchs (unsigned long sno, struct geometry G) {
- longchs aa;
-
- if (G.heads && G.sectors && G.cylindersize) {
- aa.s = 1 + sno % G.sectors;
- aa.h = (sno / G.sectors) % G.heads;
- aa.c = sno / G.cylindersize;
+static chs longchs_to_chs(longchs aa, struct geometry G)
+{
+ chs a;
+
+ if (aa.h < 256 && aa.s < 64 && aa.c < 1024) {
+ a.h = aa.h;
+ a.s = aa.s | ((aa.c >> 2) & 0xc0);
+ a.c = (aa.c & 0xff);
+ } else if (G.heads && G.sectors) {
+ a.h = G.heads - 1;
+ a.s = G.sectors | 0xc0;
+ a.c = 0xff;
+ } else
+ a = zero_chs;
+ return a;
+}
+
+static longchs chs_to_longchs(chs a)
+{
+ longchs aa;
+
+ aa.h = a.h;
+ aa.s = (a.s & 0x3f);
+ aa.c = (a.s & 0xc0);
+ aa.c = (aa.c << 2) + a.c;
return aa;
- } else {
- return zero_longchs;
- }
+}
+
+static longchs ulong_to_longchs(unsigned long sno, struct geometry G)
+{
+ longchs aa;
+
+ if (G.heads && G.sectors && G.cylindersize) {
+ aa.s = 1 + sno % G.sectors;
+ aa.h = (sno / G.sectors) % G.heads;
+ aa.c = sno / G.cylindersize;
+ return aa;
+ } else {
+ return zero_longchs;
+ }
}
//static unsigned long
// return (aa.c*G.cylindersize + aa.h*G.sectors + aa.s - 1);
//}
-static chs
-ulong_to_chs (unsigned long sno, struct geometry G) {
- return longchs_to_chs(ulong_to_longchs(sno, G), G);
+static chs ulong_to_chs(unsigned long sno, struct geometry G)
+{
+ return longchs_to_chs(ulong_to_longchs(sno, G), G);
}
//static unsigned long
// return longchs_to_ulong(chs_to_longchs(a), G);
//}
-static int
-is_equal_chs (chs a, chs b) {
- return (a.h == b.h && a.s == b.s && a.c == b.c);
+static int is_equal_chs(chs a, chs b)
+{
+ return (a.h == b.h && a.s == b.s && a.c == b.c);
}
-static int
-chs_ok (chs a, char *v, char *w) {
- longchs aa = chs_to_longchs(a);
- int ret = 1;
-
- if (is_equal_chs(a, zero_chs))
- return 1;
- if (B.heads && aa.h >= B.heads) {
- warn("%s of partition %s has impossible value for head: "
- "%d (should be in 0-%d)\n", w, v, aa.h, B.heads-1);
- ret = 0;
- }
- if (B.sectors && (aa.s == 0 || aa.s > B.sectors)) {
- warn("%s of partition %s has impossible value for sector: "
- "%d (should be in 1-%d)\n", w, v, aa.s, B.sectors);
- ret = 0;
- }
- if (B.cylinders && aa.c >= B.cylinders) {
- warn("%s of partition %s has impossible value for cylinders: "
- "%d (should be in 0-%d)\n", w, v, aa.c, B.cylinders-1);
- ret = 0;
- }
- return ret;
+static int chs_ok(chs a, char *v, char *w)
+{
+ longchs aa = chs_to_longchs(a);
+ int ret = 1;
+
+ if (is_equal_chs(a, zero_chs))
+ return 1;
+ if (B.heads && aa.h >= B.heads) {
+ warn("%s of partition %s has impossible value for head: "
+ "%ld (should be in 0-%ld)\n", w, v, aa.h, B.heads - 1);
+ ret = 0;
+ }
+ if (B.sectors && (aa.s == 0 || aa.s > B.sectors)) {
+ warn("%s of partition %s has impossible value for sector: "
+ "%ld (should be in 1-%ld)\n", w, v, aa.s, B.sectors);
+ ret = 0;
+ }
+ if (B.cylinders && aa.c >= B.cylinders) {
+ warn("%s of partition %s has impossible value for cylinders: "
+ "%ld (should be in 0-%ld)\n", w, v, aa.c, B.cylinders - 1);
+ ret = 0;
+ }
+ return ret;
}
/*
/* List of partition types now in i386_sys_types.c */
-static const char *
-sysname(unsigned char type) {
- struct systypes *s;
+static const char *sysname(unsigned char type)
+{
+ struct systypes *s;
- for (s = i386_sys_types; s->name; s++)
- if (s->type == type)
- return s->name;
- return "Unknown";
+ for (s = i386_sys_types; s->name; s++)
+ if (s->type == type)
+ return s->name;
+ return "Unknown";
}
-static void
-list_types(void) {
- struct systypes *s;
+static void list_types(void)
+{
+ struct systypes *s;
- printf("Id Name\n\n");
- for (s = i386_sys_types; s->name; s++)
- printf("%2x %s\n", s->type, s->name);
+ printf("Id Name\n\n");
+ for (s = i386_sys_types; s->name; s++)
+ printf("%2x %s\n", s->type, s->name);
}
-static int
-is_extended(unsigned char type) {
+static int is_extended(unsigned char type)
+{
return (type == EXTENDED_PARTITION
- || type == LINUX_EXTENDED
- || type == WIN98_EXTENDED);
+ || type == LINUX_EXTENDED || type == WIN98_EXTENDED);
}
-static int
-is_bsd(unsigned char type) {
+static int is_bsd(unsigned char type)
+{
return (type == BSD_PARTITION);
}
/* MS/DOS partition */
struct partition {
- unsigned char bootable; /* 0 or 0x80 */
- chs begin_chs;
- unsigned char sys_type;
- chs end_chs;
- unsigned int start_sect; /* starting sector counting from 0 */
- unsigned int nr_sects; /* nr of sectors in partition */
+ unsigned char bootable; /* 0 or 0x80 */
+ chs begin_chs;
+ unsigned char sys_type;
+ chs end_chs;
+ unsigned int start_sect; /* starting sector counting from 0 */
+ unsigned int nr_sects; /* nr of sectors in partition */
};
/* Unfortunately, partitions are not aligned, and non-Intel machines
are unhappy with non-aligned integers. So, we need a copy by hand. */
-static int
-copy_to_int(unsigned char *cp) {
- unsigned int m;
-
- m = *cp++;
- m += (*cp++ << 8);
- m += (*cp++ << 16);
- m += (*cp++ << 24);
- return m;
-}
-
-static void
-copy_from_int(int m, char *cp) {
- *cp++ = (m & 0xff); m >>= 8;
- *cp++ = (m & 0xff); m >>= 8;
- *cp++ = (m & 0xff); m >>= 8;
- *cp++ = (m & 0xff);
-}
-
-static void
-copy_to_part(char *cp, struct partition *p) {
- p->bootable = *cp++;
- p->begin_chs.h = *cp++;
- p->begin_chs.s = *cp++;
- p->begin_chs.c = *cp++;
- p->sys_type = *cp++;
- p->end_chs.h = *cp++;
- p->end_chs.s = *cp++;
- p->end_chs.c = *cp++;
- p->start_sect = copy_to_int(cp);
- p->nr_sects = copy_to_int(cp+4);
-}
-
-static void
-copy_from_part(struct partition *p, char *cp) {
- *cp++ = p->bootable;
- *cp++ = p->begin_chs.h;
- *cp++ = p->begin_chs.s;
- *cp++ = p->begin_chs.c;
- *cp++ = p->sys_type;
- *cp++ = p->end_chs.h;
- *cp++ = p->end_chs.s;
- *cp++ = p->end_chs.c;
- copy_from_int(p->start_sect, cp);
- copy_from_int(p->nr_sects, cp+4);
+static int copy_to_int(unsigned char *cp)
+{
+ unsigned int m;
+
+ m = *cp++;
+ m += (*cp++ << 8);
+ m += (*cp++ << 16);
+ m += (*cp++ << 24);
+ return m;
+}
+
+static void copy_from_int(int m, char *cp)
+{
+ *cp++ = (m & 0xff);
+ m >>= 8;
+ *cp++ = (m & 0xff);
+ m >>= 8;
+ *cp++ = (m & 0xff);
+ m >>= 8;
+ *cp++ = (m & 0xff);
+}
+
+static void copy_to_part(char *cp, struct partition *p)
+{
+ p->bootable = *cp++;
+ p->begin_chs.h = *cp++;
+ p->begin_chs.s = *cp++;
+ p->begin_chs.c = *cp++;
+ p->sys_type = *cp++;
+ p->end_chs.h = *cp++;
+ p->end_chs.s = *cp++;
+ p->end_chs.c = *cp++;
+ p->start_sect = copy_to_int(cp);
+ p->nr_sects = copy_to_int(cp + 4);
+}
+
+static void copy_from_part(struct partition *p, char *cp)
+{
+ *cp++ = p->bootable;
+ *cp++ = p->begin_chs.h;
+ *cp++ = p->begin_chs.s;
+ *cp++ = p->begin_chs.c;
+ *cp++ = p->sys_type;
+ *cp++ = p->end_chs.h;
+ *cp++ = p->end_chs.s;
+ *cp++ = p->end_chs.c;
+ copy_from_int(p->start_sect, cp);
+ copy_from_int(p->nr_sects, cp + 4);
}
/* Roughly speaking, Linux doesn't use any of the above fields except
for equality with EXTENDED_PARTITION (and these Disk Manager types). */
struct part_desc {
- unsigned long start;
- unsigned long size;
- unsigned long sector, offset; /* disk location of this info */
- struct partition p;
- struct part_desc *ep; /* extended partition containing this one */
- int ptype;
+ unsigned long start;
+ unsigned long size;
+ unsigned long sector, offset; /* disk location of this info */
+ struct partition p;
+ struct part_desc *ep; /* extended partition containing this one */
+ int ptype;
#define DOS_TYPE 0
#define BSD_TYPE 1
} zero_part_desc;
-struct part_desc *
-outer_extended_partition(struct part_desc *p) {
- while (p->ep)
- p = p->ep;
- return p;
+struct part_desc *outer_extended_partition(struct part_desc *p)
+{
+ while (p->ep)
+ p = p->ep;
+ return p;
}
-static int
-is_parent(struct part_desc *pp, struct part_desc *p) {
- while (p) {
- if (pp == p)
- return 1;
- p = p->ep;
- }
- return 0;
+static int is_parent(struct part_desc *pp, struct part_desc *p)
+{
+ while (p) {
+ if (pp == p)
+ return 1;
+ p = p->ep;
+ }
+ return 0;
}
struct disk_desc {
- struct part_desc partitions[128];
- int partno;
+ struct part_desc partitions[128];
+ int partno;
} oldp, newp;
/* determine where on the disk this information goes */
-static void
-add_sector_and_offset(struct disk_desc *z) {
- int pno;
- struct part_desc *p;
+static void add_sector_and_offset(struct disk_desc *z)
+{
+ int pno;
+ struct part_desc *p;
+
+ for (pno = 0; pno < z->partno; pno++) {
+ p = &(z->partitions[pno]);
+ p->offset = 0x1be + (pno % 4) * sizeof(struct partition);
- for (pno = 0; pno < z->partno; pno++) {
- p = &(z->partitions[pno]);
- p->offset = 0x1be + (pno%4)*sizeof(struct partition);
- p->sector = (p->ep ? p->ep->start : 0);
- }
+ p->sector = (p->ep ? p->ep->start : 0);
+ }
}
/* tell the kernel to reread the partition tables */
-static int
-reread_ioctl(int fd) {
- if(ioctl(fd, BLKRRPART)) {
- perror("BLKRRPART");
- return -1;
- }
- return 0;
+static int reread_ioctl(int fd)
+{
+ if (ioctl(fd, BLKRRPART)) {
+ perror("BLKRRPART");
+ return -1;
+ }
+ return 0;
}
-static int
-is_blockdev(int fd) {
- struct stat statbuf;
+static int is_blockdev(int fd)
+{
+ struct stat statbuf;
- return(fstat(fd, &statbuf) == 0 && S_ISBLK(statbuf.st_mode));
+ return (fstat(fd, &statbuf) == 0 && S_ISBLK(statbuf.st_mode));
}
/* reread after writing */
-static void
-reread_disk_partition(char *dev, int fd) {
- printf("Re-reading the partition table ...\n");
- fflush(stdout);
- sync();
- sleep(3); /* superfluous since 1.3.20 */
-
- if(reread_ioctl(fd) && is_blockdev(fd))
- printf("The command to re-read the partition table failed\n"
- "Reboot your system now, before using mkfs\n");
-
- if (close(fd)) {
- perror(dev);
- printf("Error closing %s\n", dev);
- }
- printf("\n");
+static void reread_disk_partition(char *dev, int fd)
+{
+ printf("Re-reading the partition table ...\n");
+ fflush(stdout);
+ sync();
+ sleep(3); /* superfluous since 1.3.20 */
+
+ if (reread_ioctl(fd) && is_blockdev(fd))
+ printf("The command to re-read the partition table failed\n"
+ "Reboot your system now, before using mkfs\n");
+
+ if (close(fd)) {
+ perror(dev);
+ printf("Error closing %s\n", dev);
+ }
+ printf("\n");
}
/* find Linux name of this partition, assuming that it will have a name */
-static int
-index_to_linux(int pno, struct disk_desc *z) {
- int i, ct = 1;
- struct part_desc *p = &(z->partitions[0]);
- for (i=0; i<pno; i++,p++)
- if(i < 4 || (p->size > 0 && !is_extended(p->p.sys_type)))
- ct++;
- return ct;
-}
-
-static int
-linux_to_index(int lpno, struct disk_desc *z) {
- int i, ct = 0;
- struct part_desc *p = &(z->partitions[0]);
- for (i=0; i<z->partno && ct < lpno; i++,p++)
- if((i < 4 || (p->size > 0 && !is_extended(p->p.sys_type)))
- && ++ct == lpno)
- return i;
- return -1;
+static int index_to_linux(int pno, struct disk_desc *z)
+{
+ int i, ct = 1;
+ struct part_desc *p = &(z->partitions[0]);
+
+ for (i = 0; i < pno; i++, p++)
+ if (i < 4 || (p->size > 0 && !is_extended(p->p.sys_type)))
+ ct++;
+ return ct;
+}
+
+static int linux_to_index(int lpno, struct disk_desc *z)
+{
+ int i, ct = 0;
+ struct part_desc *p = &(z->partitions[0]);
+
+ for (i = 0; i < z->partno && ct < lpno; i++, p++)
+ if ((i < 4 || (p->size > 0 && !is_extended(p->p.sys_type)))
+ && ++ct == lpno)
+ return i;
+ return -1;
}
-static int
-asc_to_index(char *pnam, struct disk_desc *z) {
- int pnum, pno;
+static int asc_to_index(char *pnam, struct disk_desc *z)
+{
+ int pnum, pno;
- if (*pnam == '#') {
- pno = atoi(pnam+1);
- } else {
- pnum = atoi(pnam);
- pno = linux_to_index(pnum, z);
- }
- if (!(pno >= 0 && pno < z->partno))
- fatal("%s: no such partition\n"), pnam;
- return pno;
+ if (*pnam == '#') {
+ pno = atoi(pnam + 1);
+ } else {
+ pnum = atoi(pnam);
+ pno = linux_to_index(pnum, z);
+ }
+ if (!(pno >= 0 && pno < z->partno))
+ fatalError("%s: no such partition\n", pnam);
+ return pno;
}
/*
static int one_only_pno;
static int increment = 0;
-static void
-set_format(char c) {
- switch(c) {
- default:
- printf("unrecognized format - using sectors\n");
- case 'S': specified_format = F_SECTOR; break;
- case 'B': specified_format = F_BLOCK; break;
- case 'C': specified_format = F_CYLINDER; break;
- case 'M': specified_format = F_MEGABYTE; break;
- }
+static void set_format(char c)
+{
+ switch (c) {
+ default:
+ printf("unrecognized format - using sectors\n");
+ case 'S':
+ specified_format = F_SECTOR;
+ break;
+ case 'B':
+ specified_format = F_BLOCK;
+ break;
+ case 'C':
+ specified_format = F_CYLINDER;
+ break;
+ case 'M':
+ specified_format = F_MEGABYTE;
+ break;
+ }
}
-static unsigned long
-unitsize(int format) {
- default_format = (B.cylindersize ? F_CYLINDER : F_MEGABYTE);
- if (!format && !(format = specified_format))
- format = default_format;
-
- switch(format) {
- default:
- case F_CYLINDER:
- if(B.cylindersize)
- return B.cylindersize;
- case F_SECTOR:
- return 1;
- case F_BLOCK:
- return 2;
- case F_MEGABYTE:
- return 2048;
- }
+static unsigned long unitsize(int format)
+{
+ default_format = (B.cylindersize ? F_CYLINDER : F_MEGABYTE);
+ if (!format && !(format = specified_format))
+ format = default_format;
+
+ switch (format) {
+ default:
+ case F_CYLINDER:
+ if (B.cylindersize)
+ return B.cylindersize;
+ case F_SECTOR:
+ return 1;
+ case F_BLOCK:
+ return 2;
+ case F_MEGABYTE:
+ return 2048;
+ }
}
-static unsigned long
-get_disksize(int format) {
- unsigned long cs = B.cylinders;
- if (cs && leave_last)
- cs--;
- return (cs * B.cylindersize) / unitsize(format);
+static unsigned long get_disksize(int format)
+{
+ unsigned long cs = B.cylinders;
+
+ if (cs && leave_last)
+ cs--;
+ return (cs * B.cylindersize) / unitsize(format);
}
-static void
-out_partition_header(char *dev, int format, struct geometry G) {
- if (dump) {
- printf("# partition table of %s\n", dev);
- printf("unit: sectors\n\n");
- return;
- }
-
- default_format = (G.cylindersize ? F_CYLINDER : F_MEGABYTE);
- if (!format && !(format = specified_format))
- format = default_format;
-
- switch(format) {
- default:
- printf("unimplemented format - using %s\n",
- G.cylindersize ? "cylinders" : "sectors");
- case F_CYLINDER:
- if (G.cylindersize) {
- printf("Units = cylinders of %lu bytes, blocks of 1024 bytes"
- ", counting from %d\n\n",
- G.cylindersize<<9, increment);
- printf(" Device Boot Start End #cyls #blocks Id System\n");
- break;
- }
- /* fall through */
- case F_SECTOR:
- printf("Units = sectors of 512 bytes, counting from %d\n\n",
- increment);
- printf(" Device Boot Start End #sectors Id System\n");
- break;
- case F_BLOCK:
- printf("Units = blocks of 1024 bytes, counting from %d\n\n",
- increment);
- printf(" Device Boot Start End #blocks Id System\n");
- break;
- case F_MEGABYTE:
- printf("Units = megabytes of 1048576 bytes, blocks of 1024 bytes"
- ", counting from %d\n\n", increment);
- printf(" Device Boot Start End MB #blocks Id System\n");
- break;
- }
+static void out_partition_header(char *dev, int format, struct geometry G)
+{
+ if (dump) {
+ printf("# partition table of %s\n", dev);
+ printf("unit: sectors\n\n");
+ return;
+ }
+
+ default_format = (G.cylindersize ? F_CYLINDER : F_MEGABYTE);
+ if (!format && !(format = specified_format))
+ format = default_format;
+
+ switch (format) {
+ default:
+ printf("unimplemented format - using %s\n",
+ G.cylindersize ? "cylinders" : "sectors");
+ case F_CYLINDER:
+ if (G.cylindersize) {
+ printf("Units = cylinders of %lu bytes, blocks of 1024 bytes"
+ ", counting from %d\n\n",
+ G.cylindersize << 9, increment);
+ printf
+ (" Device Boot Start End #cyls #blocks Id System\n");
+ break;
+ }
+ /* fall through */
+ case F_SECTOR:
+ printf("Units = sectors of 512 bytes, counting from %d\n\n",
+ increment);
+ printf
+ (" Device Boot Start End #sectors Id System\n");
+ break;
+ case F_BLOCK:
+ printf("Units = blocks of 1024 bytes, counting from %d\n\n",
+ increment);
+ printf
+ (" Device Boot Start End #blocks Id System\n");
+ break;
+ case F_MEGABYTE:
+ printf("Units = megabytes of 1048576 bytes, blocks of 1024 bytes"
+ ", counting from %d\n\n", increment);
+ printf
+ (" Device Boot Start End MB #blocks Id System\n");
+ break;
+ }
}
static void
-out_rounddown(int width, unsigned long n, unsigned long unit, int inc) {
- printf("%*lu", width, inc + n/unit);
- if (unit != 1)
- putchar((n % unit) ? '+' : ' ');
- putchar(' ');
+out_rounddown(int width, unsigned long n, unsigned long unit, int inc)
+{
+ printf("%*lu", width, inc + n / unit);
+ if (unit != 1)
+ putchar((n % unit) ? '+' : ' ');
+ putchar(' ');
}
static void
-out_roundup(int width, unsigned long n, unsigned long unit, int inc) {
- if (n == (unsigned long)(-1))
- printf("%*s", width, "-");
- else
- printf("%*lu", width, inc + n/unit);
- if (unit != 1)
- putchar(((n+1) % unit) ? '-' : ' ');
- putchar(' ');
+out_roundup(int width, unsigned long n, unsigned long unit, int inc)
+{
+ if (n == (unsigned long) (-1))
+ printf("%*s", width, "-");
+ else
+ printf("%*lu", width, inc + n / unit);
+ if (unit != 1)
+ putchar(((n + 1) % unit) ? '-' : ' ');
+ putchar(' ');
}
static void
-out_roundup_size(int width, unsigned long n, unsigned long unit) {
- printf("%*lu", width, (n+unit-1)/unit);
- if (unit != 1)
- putchar((n % unit) ? '-' : ' ');
- putchar(' ');
+out_roundup_size(int width, unsigned long n, unsigned long unit)
+{
+ printf("%*lu", width, (n + unit - 1) / unit);
+ if (unit != 1)
+ putchar((n % unit) ? '-' : ' ');
+ putchar(' ');
}
-static int
-get_fdisk_geometry(struct part_desc *p) {
- chs b = p->p.end_chs;
- longchs bb = chs_to_longchs(b);
- F.heads = bb.h+1;
- F.sectors = bb.s;
- F.cylindersize = F.heads*F.sectors;
- return (F.sectors != B.sectors || F.heads != B.heads);
+static int get_fdisk_geometry(struct part_desc *p)
+{
+ chs b = p->p.end_chs;
+ longchs bb = chs_to_longchs(b);
+
+ F.heads = bb.h + 1;
+ F.sectors = bb.s;
+ F.cylindersize = F.heads * F.sectors;
+ return (F.sectors != B.sectors || F.heads != B.heads);
}
static void
out_partition(char *dev, int format, struct part_desc *p,
- struct disk_desc *z, struct geometry G) {
- unsigned long start, end, size;
- int pno, lpno;
-
- if (!format && !(format = specified_format))
- format = default_format;
-
- pno = p - &(z->partitions[0]); /* our index */
- lpno = index_to_linux(pno, z); /* name of next one that has a name */
- if(pno == linux_to_index(lpno, z)) /* was that us? */
- printf("%8s%-2u", dev, lpno); /* yes */
- else if(show_extended)
- printf(" - ");
- else
- return;
- putchar(dump ? ':' : ' ');
-
- start = p->start;
- end = p->start + p->size - 1;
- size = p->size;
-
- if (dump) {
- printf(" start=%9lu", start);
- printf(", size=%8lu", size);
- if (p->ptype == DOS_TYPE) {
- printf(", Id=%2x", p->p.sys_type);
- if (p->p.bootable == 0x80)
- printf(", bootable");
+ struct disk_desc *z, struct geometry G)
+{
+ unsigned long start, end, size;
+ int pno, lpno;
+
+ if (!format && !(format = specified_format))
+ format = default_format;
+
+ pno = p - &(z->partitions[0]); /* our index */
+ lpno = index_to_linux(pno, z); /* name of next one that has a name */
+ if (pno == linux_to_index(lpno, z)) /* was that us? */
+ printf("%8s%-2u", dev, lpno); /* yes */
+ else if (show_extended)
+ printf(" - ");
+ else
+ return;
+ putchar(dump ? ':' : ' ');
+
+ start = p->start;
+ end = p->start + p->size - 1;
+ size = p->size;
+
+ if (dump) {
+ printf(" start=%9lu", start);
+ printf(", size=%8lu", size);
+ if (p->ptype == DOS_TYPE) {
+ printf(", Id=%2x", p->p.sys_type);
+ if (p->p.bootable == 0x80)
+ printf(", bootable");
+ }
+ printf("\n");
+ return;
}
- printf("\n");
- return;
- }
-
- if(p->ptype != DOS_TYPE || p->p.bootable == 0)
- printf(" ");
- else if(p->p.bootable == 0x80)
- printf(" * ");
- else
- printf(" ? "); /* garbage */
-
- switch(format) {
- case F_CYLINDER:
- if (G.cylindersize) {
- out_rounddown(6, start, G.cylindersize, increment);
- out_roundup(6, end, G.cylindersize, increment);
- out_roundup_size(6, size, G.cylindersize);
- out_rounddown(8, size, 2, 0);
- break;
- }
- /* fall through */
- default:
- case F_SECTOR:
- out_rounddown(9, start, 1, increment);
- out_roundup(9, end, 1, increment);
- out_rounddown(9, size, 1, 0);
- break;
- case F_BLOCK:
+
+ if (p->ptype != DOS_TYPE || p->p.bootable == 0)
+ printf(" ");
+ else if (p->p.bootable == 0x80)
+ printf(" * ");
+ else
+ printf(" ? "); /* garbage */
+
+ switch (format) {
+ case F_CYLINDER:
+ if (G.cylindersize) {
+ out_rounddown(6, start, G.cylindersize, increment);
+ out_roundup(6, end, G.cylindersize, increment);
+ out_roundup_size(6, size, G.cylindersize);
+ out_rounddown(8, size, 2, 0);
+ break;
+ }
+ /* fall through */
+ default:
+ case F_SECTOR:
+ out_rounddown(9, start, 1, increment);
+ out_roundup(9, end, 1, increment);
+ out_rounddown(9, size, 1, 0);
+ break;
+ case F_BLOCK:
#if 0
- printf("%8lu,%3lu ",
- p->sector/2, ((p->sector & 1) ? 512 : 0) + p->offset);
+ printf("%8lu,%3lu ",
+ p->sector / 2, ((p->sector & 1) ? 512 : 0) + p->offset);
#endif
- out_rounddown(8, start, 2, increment);
- out_roundup(8, end, 2, increment);
- out_rounddown(8, size, 2, 0);
- break;
- case F_MEGABYTE:
- out_rounddown(5, start, 2048, increment);
- out_roundup(5, end, 2048, increment);
- out_roundup_size(5, size, 2048);
- out_rounddown(8, size, 2, 0);
- break;
- }
- if (p->ptype == DOS_TYPE) {
- printf(" %2x %s\n",
- p->p.sys_type, sysname(p->p.sys_type));
- } else {
- printf("\n");
- }
-
- /* Is chs as we expect? */
- if (!quiet && p->ptype == DOS_TYPE) {
- chs a, b;
- longchs aa, bb;
- a = (size ? ulong_to_chs(start,G) : zero_chs);
- b = p->p.begin_chs;
- aa = chs_to_longchs(a);
- bb = chs_to_longchs(b);
- if(a.s && !is_equal_chs(a, b))
- printf("\t\tstart: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
- aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
- a = (size ? ulong_to_chs(end,G) : zero_chs);
- b = p->p.end_chs;
- aa = chs_to_longchs(a);
- bb = chs_to_longchs(b);
- if(a.s && !is_equal_chs(a, b))
- printf("\t\tend: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
- aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
- if(G.cylinders && G.cylinders < 1024 && bb.c > G.cylinders)
- printf("partition ends on cylinder %ld, beyond the end of the disk\n",
- bb.c);
- }
-}
-
-static void
-out_partitions(char *dev, struct disk_desc *z) {
- struct part_desc *p;
- int pno, format = 0;
-
- if (z->partno == 0)
- printf("No partitions found\n");
- else {
- for (pno=0; pno < z->partno; pno++) {
- p = &(z->partitions[pno]);
- if (p->size != 0 && p->p.sys_type != 0) {
- if (get_fdisk_geometry(p))
- printf(
- "Warning: The first partition looks like it was made\n"
- " for C/H/S=*/%ld/%ld (instead of %ld/%ld/%ld).\n"
- "For this listing I'll assume that geometry.\n",
- F.heads, F.sectors, B.cylinders, B.heads, B.sectors);
+ out_rounddown(8, start, 2, increment);
+ out_roundup(8, end, 2, increment);
+ out_rounddown(8, size, 2, 0);
+ break;
+ case F_MEGABYTE:
+ out_rounddown(5, start, 2048, increment);
+ out_roundup(5, end, 2048, increment);
+ out_roundup_size(5, size, 2048);
+ out_rounddown(8, size, 2, 0);
break;
- }
}
- out_partition_header(dev, format, F);
- for(pno=0; pno < z->partno; pno++) {
- out_partition(dev, format, &(z->partitions[pno]), z, F);
- if(show_extended && pno%4==3)
- printf("\n");
+ if (p->ptype == DOS_TYPE) {
+ printf(" %2x %s\n", p->p.sys_type, sysname(p->p.sys_type));
+ } else {
+ printf("\n");
+ }
+
+ /* Is chs as we expect? */
+ if (!quiet && p->ptype == DOS_TYPE) {
+ chs a, b;
+ longchs aa, bb;
+
+ a = (size ? ulong_to_chs(start, G) : zero_chs);
+ b = p->p.begin_chs;
+ aa = chs_to_longchs(a);
+ bb = chs_to_longchs(b);
+ if (a.s && !is_equal_chs(a, b))
+ printf
+ ("\t\tstart: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
+ aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
+ a = (size ? ulong_to_chs(end, G) : zero_chs);
+ b = p->p.end_chs;
+ aa = chs_to_longchs(a);
+ bb = chs_to_longchs(b);
+ if (a.s && !is_equal_chs(a, b))
+ printf
+ ("\t\tend: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
+ aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
+ if (G.cylinders && G.cylinders < 1024 && bb.c > G.cylinders)
+ printf
+ ("partition ends on cylinder %ld, beyond the end of the disk\n",
+ bb.c);
}
- }
}
-static int
-disj(struct part_desc *p, struct part_desc *q) {
- return
- ((p->start + p->size <= q->start)
- || (is_extended(p->p.sys_type)
- && q->start + q->size <= p->start + p->size));
+static void out_partitions(char *dev, struct disk_desc *z)
+{
+ struct part_desc *p;
+ int pno, format = 0;
+
+ if (z->partno == 0)
+ printf("No partitions found\n");
+ else {
+ for (pno = 0; pno < z->partno; pno++) {
+ p = &(z->partitions[pno]);
+ if (p->size != 0 && p->p.sys_type != 0) {
+ if (get_fdisk_geometry(p))
+ printf
+ ("Warning: The first partition looks like it was made\n"
+ " for C/H/S=*/%ld/%ld (instead of %ld/%ld/%ld).\n"
+ "For this listing I'll assume that geometry.\n",
+ F.heads, F.sectors, B.cylinders, B.heads,
+ B.sectors);
+ break;
+ }
+ }
+ out_partition_header(dev, format, F);
+ for (pno = 0; pno < z->partno; pno++) {
+ out_partition(dev, format, &(z->partitions[pno]), z, F);
+ if (show_extended && pno % 4 == 3)
+ printf("\n");
+ }
+ }
}
-static char *
-pnumber(struct part_desc *p, struct disk_desc *z) {
- static char buf[20];
- int this, next;
- struct part_desc *p0 = &(z->partitions[0]);
+static int disj(struct part_desc *p, struct part_desc *q)
+{
+ return ((p->start + p->size <= q->start)
+ || (is_extended(p->p.sys_type)
+ && q->start + q->size <= p->start + p->size));
+}
- this = index_to_linux(p-p0, z);
- next = index_to_linux(p-p0+1, z);
+static char *pnumber(struct part_desc *p, struct disk_desc *z)
+{
+ static char buf[20];
+ int this, next;
+ struct part_desc *p0 = &(z->partitions[0]);
- if (next > this)
- sprintf(buf, "%d", this);
- else
- sprintf(buf, "[%d]", this);
- return buf;
+ this = index_to_linux(p - p0, z);
+ next = index_to_linux(p - p0 + 1, z);
+
+ if (next > this)
+ sprintf(buf, "%d", this);
+ else
+ sprintf(buf, "[%d]", this);
+ return buf;
}
-static int
-partitions_ok(struct disk_desc *z) {
- struct part_desc *partitions = &(z->partitions[0]), *p, *q;
- int partno = z->partno;
+static int partitions_ok(struct disk_desc *z)
+{
+ struct part_desc *partitions = &(z->partitions[0]), *p, *q;
+ int partno = z->partno;
#define PNO(p) pnumber(p, z)
- /* Have at least 4 partitions been defined? */
- if (partno < 4) {
- if (!partno)
- fatal("no partition table present.\n");
- else
- fatal("strange, only %d partitions defined.\n"), partno;
- return 0;
- }
-
- /* Are the partitions of size 0 marked empty?
- And do they have start = 0? And bootable = 0? */
- for (p = partitions; p - partitions < partno; p++)
- if (p->size == 0) {
- if(p->p.sys_type != EMPTY_PARTITION)
- warn("Warning: partition %s has size 0 but is not marked Empty\n",
- PNO(p));
- else if(p->p.bootable != 0)
- warn("Warning: partition %s has size 0 and is bootable\n",
- PNO(p));
- else if(p->p.start_sect != 0)
- warn("Warning: partition %s has size 0 and nonzero start\n",
- PNO(p));
- /* all this is probably harmless, no error return */
- }
-
- /* Are the logical partitions contained in their extended partitions? */
- for (p = partitions+4; p < partitions+partno; p++)
- if (p->ptype == DOS_TYPE)
- if (p->size && !is_extended(p->p.sys_type)) {
- q = p->ep;
- if (p->start < q->start || p->start + p->size > q->start + q->size) {
- warn("Warning: partition %s "), PNO(p);
- warn("is not contained in partition %s\n"), PNO(q);
- return 0;
- }
- }
-
- /* Are the data partitions mutually disjoint? */
- for (p = partitions; p < partitions+partno; p++)
- if (p->size && !is_extended(p->p.sys_type))
- for (q = p+1; q < partitions+partno; q++)
- if (q->size && !is_extended(q->p.sys_type))
- if(!((p->start > q-> start) ? disj(q,p) : disj(p,q))) {
- warn("Warning: partitions %s "), PNO(p);
- warn("and %s overlap\n"), PNO(q);
- return 0;
- }
-
- /* Are the data partitions and the extended partition
- table sectors disjoint? */
- for (p = partitions; p < partitions+partno; p++)
- if (p->size && !is_extended(p->p.sys_type))
- for (q = partitions; q < partitions+partno; q++)
- if (is_extended(q->p.sys_type))
- if (p->start <= q->start && p->start + p->size > q->start) {
- warn("Warning: partition %s contains part of ", PNO(p));
- warn("the partition table (sector %lu),\n", q->start);
- warn("and will destroy it when filled\n");
+ /* Have at least 4 partitions been defined? */
+ if (partno < 4) {
+ if (!partno)
+ fatalError("no partition table present.\n");
+ else
+ fatalError("strange, only %d partitions defined.\n", partno);
return 0;
- }
-
- /* Do they start past zero and end before end-of-disk? */
- { unsigned long ds = get_disksize(F_SECTOR);
- for (p = partitions; p < partitions+partno; p++)
- if (p->size) {
- if(p->start == 0) {
- warn("Warning: partition %s starts at sector 0\n", PNO(p));
- return 0;
- }
- if (p->size && p->start + p->size > ds) {
- warn("Warning: partition %s extends past end of disk\n", PNO(p));
- return 0;
- }
- }
- }
-
- /* At most one chain of DOS extended partitions ? */
- /* It seems that the OS/2 fdisk has the additional requirement
- that the extended partition must be the fourth one */
- { int ect = 0;
- for (p = partitions; p < partitions+4; p++)
- if (p->p.sys_type == EXTENDED_PARTITION)
- ect++;
- if (ect > 1 && !Linux) {
- warn("Among the primary partitions, at most one can be extended\n");
- warn(" (although this is not a problem under Linux)\n");
- return 0;
- }
- }
-
- /*
- * Do all partitions start at a cylinder boundary ?
- * (this is not required for Linux)
- * The first partition starts after MBR.
- * Logical partitions start slightly after the containing extended partn.
- */
- if (B.cylindersize) {
- for(p = partitions; p < partitions+partno; p++)
- if (p->size) {
- if(p->start % B.cylindersize != 0
- && (!p->ep || p->start / B.cylindersize != p->ep->start / B.cylindersize)
- && (p->p.start_sect >= B.cylindersize)) {
- warn("Warning: partition %s does not start "
- "at a cylinder boundary\n", PNO(p));
- if (!Linux)
- return 0;
- }
- if((p->start + p->size) % B.cylindersize) {
- warn("Warning: partition %s does not end "
- "at a cylinder boundary\n", PNO(p));
- if (!Linux)
- return 0;
- }
- }
- }
-
- /* Usually, one can boot only from primary partitions. */
- /* In fact, from a unique one only. */
- /* do not warn about bootable extended partitions -
- often LILO is there */
- { int pno = -1;
- for(p = partitions; p < partitions+partno; p++)
- if (p->p.bootable) {
- if (pno == -1)
- pno = p - partitions;
- else if (p - partitions < 4) {
- warn("Warning: more than one primary partition is marked "
- "bootable (active)\n"
- "This does not matter for LILO, but the DOS MBR will "
- "not boot this disk.\n");
- break;
- }
- if (p - partitions >= 4) {
- warn("Warning: usually one can boot from primary partitions "
- "only\nLILO disregards the `bootable' flag.\n");
- break;
- }
- }
- if (pno == -1 || pno >= 4)
- warn("Warning: no primary partition is marked bootable (active)\n"
- "This does not matter for LILO, but the DOS MBR will "
- "not boot this disk.\n");
- }
-
- /* Is chs as we expect? */
- for(p = partitions; p < partitions+partno; p++)
- if(p->ptype == DOS_TYPE) {
- chs a, b;
- longchs aa, bb;
- a = p->size ? ulong_to_chs(p->start,B) : zero_chs;
- b = p->p.begin_chs;
- aa = chs_to_longchs(a);
- bb = chs_to_longchs(b);
- if (!chs_ok(b, PNO(p), "start"))
- return 0;
- if(a.s && !is_equal_chs(a, b))
- warn("partition %s: start: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
- PNO(p), aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
- a = p->size ? ulong_to_chs(p->start + p->size - 1, B) : zero_chs;
- b = p->p.end_chs;
- aa = chs_to_longchs(a);
- bb = chs_to_longchs(b);
- if (!chs_ok(b, PNO(p), "end"))
- return 0;
- if(a.s && !is_equal_chs(a, b))
- warn("partition %s: end: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
- PNO(p), aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
- if(B.cylinders && B.cylinders < 1024 && bb.c > B.cylinders)
- warn("partition %s ends on cylinder %ld, beyond the end of the disk\n",
- PNO(p), bb.c);
- }
-
- return 1;
+ }
+
+ /* Are the partitions of size 0 marked empty?
+ And do they have start = 0? And bootable = 0? */
+ for (p = partitions; p - partitions < partno; p++)
+ if (p->size == 0) {
+ if (p->p.sys_type != EMPTY_PARTITION)
+ warn
+ ("Warning: partition %s has size 0 but is not marked Empty\n",
+ PNO(p));
+ else if (p->p.bootable != 0)
+ warn("Warning: partition %s has size 0 and is bootable\n",
+ PNO(p));
+ else if (p->p.start_sect != 0)
+ warn
+ ("Warning: partition %s has size 0 and nonzero start\n",
+ PNO(p));
+ /* all this is probably harmless, no error return */
+ }
+
+ /* Are the logical partitions contained in their extended partitions? */
+ for (p = partitions + 4; p < partitions + partno; p++)
+ if (p->ptype == DOS_TYPE)
+ if (p->size && !is_extended(p->p.sys_type)) {
+ q = p->ep;
+ if (p->start < q->start
+ || p->start + p->size > q->start + q->size) {
+ warn("Warning: partition %s ", PNO(p));
+ warn("is not contained in partition %s\n", PNO(q));
+ return 0;
+ }
+ }
+
+ /* Are the data partitions mutually disjoint? */
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->size && !is_extended(p->p.sys_type))
+ for (q = p + 1; q < partitions + partno; q++)
+ if (q->size && !is_extended(q->p.sys_type))
+ if (!((p->start > q->start) ? disj(q, p) : disj(p, q))) {
+ warn("Warning: partitions %s ", PNO(p));
+ warn("and %s overlap\n", PNO(q));
+ return 0;
+ }
+
+ /* Are the data partitions and the extended partition
+ table sectors disjoint? */
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->size && !is_extended(p->p.sys_type))
+ for (q = partitions; q < partitions + partno; q++)
+ if (is_extended(q->p.sys_type))
+ if (p->start <= q->start
+ && p->start + p->size > q->start) {
+ warn("Warning: partition %s contains part of ",
+ PNO(p));
+ warn("the partition table (sector %lu),\n",
+ q->start);
+ warn("and will destroy it when filled\n");
+ return 0;
+ }
+
+ /* Do they start past zero and end before end-of-disk? */
+ {
+ unsigned long ds = get_disksize(F_SECTOR);
+
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->size) {
+ if (p->start == 0) {
+ warn("Warning: partition %s starts at sector 0\n",
+ PNO(p));
+ return 0;
+ }
+ if (p->size && p->start + p->size > ds) {
+ warn
+ ("Warning: partition %s extends past end of disk\n",
+ PNO(p));
+ return 0;
+ }
+ }
+ }
+
+ /* At most one chain of DOS extended partitions ? */
+ /* It seems that the OS/2 fdisk has the additional requirement
+ that the extended partition must be the fourth one */
+ {
+ int ect = 0;
+
+ for (p = partitions; p < partitions + 4; p++)
+ if (p->p.sys_type == EXTENDED_PARTITION)
+ ect++;
+ if (ect > 1 && !Linux) {
+ warn
+ ("Among the primary partitions, at most one can be extended\n");
+ warn(" (although this is not a problem under Linux)\n");
+ return 0;
+ }
+ }
+
+ /*
+ * Do all partitions start at a cylinder boundary ?
+ * (this is not required for Linux)
+ * The first partition starts after MBR.
+ * Logical partitions start slightly after the containing extended partn.
+ */
+ if (B.cylindersize) {
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->size) {
+ if (p->start % B.cylindersize != 0
+ && (!p->ep
+ || p->start / B.cylindersize !=
+ p->ep->start / B.cylindersize)
+ && (p->p.start_sect >= B.cylindersize)) {
+ warn("Warning: partition %s does not start "
+ "at a cylinder boundary\n", PNO(p));
+ if (!Linux)
+ return 0;
+ }
+ if ((p->start + p->size) % B.cylindersize) {
+ warn("Warning: partition %s does not end "
+ "at a cylinder boundary\n", PNO(p));
+ if (!Linux)
+ return 0;
+ }
+ }
+ }
+
+ /* Usually, one can boot only from primary partitions. */
+ /* In fact, from a unique one only. */
+ /* do not warn about bootable extended partitions -
+ often LILO is there */
+ {
+ int pno = -1;
+
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->p.bootable) {
+ if (pno == -1)
+ pno = p - partitions;
+ else if (p - partitions < 4) {
+ warn
+ ("Warning: more than one primary partition is marked "
+ "bootable (active)\n"
+ "This does not matter for LILO, but the DOS MBR will "
+ "not boot this disk.\n");
+ break;
+ }
+ if (p - partitions >= 4) {
+ warn
+ ("Warning: usually one can boot from primary partitions "
+ "only\nLILO disregards the `bootable' flag.\n");
+ break;
+ }
+ }
+ if (pno == -1 || pno >= 4)
+ warn
+ ("Warning: no primary partition is marked bootable (active)\n"
+ "This does not matter for LILO, but the DOS MBR will "
+ "not boot this disk.\n");
+ }
+
+ /* Is chs as we expect? */
+ for (p = partitions; p < partitions + partno; p++)
+ if (p->ptype == DOS_TYPE) {
+ chs a, b;
+ longchs aa, bb;
+
+ a = p->size ? ulong_to_chs(p->start, B) : zero_chs;
+ b = p->p.begin_chs;
+ aa = chs_to_longchs(a);
+ bb = chs_to_longchs(b);
+ if (!chs_ok(b, PNO(p), "start"))
+ return 0;
+ if (a.s && !is_equal_chs(a, b))
+ warn
+ ("partition %s: start: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
+ PNO(p), aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
+ a =
+ p->size ? ulong_to_chs(p->start + p->size - 1,
+ B) : zero_chs;
+ b = p->p.end_chs;
+ aa = chs_to_longchs(a);
+ bb = chs_to_longchs(b);
+ if (!chs_ok(b, PNO(p), "end"))
+ return 0;
+ if (a.s && !is_equal_chs(a, b))
+ warn
+ ("partition %s: end: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)\n",
+ PNO(p), aa.c, aa.h, aa.s, bb.c, bb.h, bb.s);
+ if (B.cylinders && B.cylinders < 1024 && bb.c > B.cylinders)
+ warn
+ ("partition %s ends on cylinder %ld, beyond the end of the disk\n",
+ PNO(p), bb.c);
+ }
+
+ return 1;
#undef PNO
}
static void
-extended_partition(char *dev, int fd, struct part_desc *ep, struct disk_desc *z) {
- char *cp;
- struct sector *s;
- unsigned long start, here, next;
- int i, moretodo = 1;
- struct partition p;
- struct part_desc *partitions = &(z->partitions[0]);
- int pno = z->partno;
+extended_partition(char *dev, int fd, struct part_desc *ep,
+ struct disk_desc *z)
+{
+ char *cp;
+ struct sector *s;
+ unsigned long start, here, next;
+ int i, moretodo = 1;
+ struct partition p;
+ struct part_desc *partitions = &(z->partitions[0]);
+ int pno = z->partno;
- here = start = ep->start;
+ here = start = ep->start;
- while (moretodo) {
- moretodo = 0;
+ while (moretodo) {
+ moretodo = 0;
- if (!(s = get_sector(dev, fd, here)))
- break;
+ if (!(s = get_sector(dev, fd, here)))
+ break;
- if (!msdos_signature(s))
- break;
+ if (!msdos_signature(s))
+ break;
- cp = s->data + 0x1be;
+ cp = s->data + 0x1be;
- if (pno+4 >= SIZE(z->partitions)) {
- printf("too many partitions - ignoring those past nr (%d)\n",
- pno-1);
- break;
- }
+ if (pno + 4 >= SIZE(z->partitions)) {
+ printf("too many partitions - ignoring those past nr (%d)\n",
+ pno - 1);
+ break;
+ }
- next = 0;
+ next = 0;
+
+ for (i = 0; i < 4; i++, cp += sizeof(struct partition)) {
+ partitions[pno].sector = here;
+ partitions[pno].offset = cp - s->data;
+ partitions[pno].ep = ep;
+ copy_to_part(cp, &p);
+ if (is_extended(p.sys_type)) {
+ partitions[pno].start = start + p.start_sect;
+ if (next)
+ printf("tree of partitions?\n");
+ else
+ next = partitions[pno].start; /* follow `upper' branch */
+ moretodo = 1;
+ } else {
+ partitions[pno].start = here + p.start_sect;
+ }
+ partitions[pno].size = p.nr_sects;
+ partitions[pno].ptype = DOS_TYPE;
+ partitions[pno].p = p;
+ pno++;
+ }
+ here = next;
+ }
- for (i=0; i<4; i++,cp += sizeof(struct partition)) {
- partitions[pno].sector = here;
- partitions[pno].offset = cp - s->data;
- partitions[pno].ep = ep;
- copy_to_part(cp,&p);
- if (is_extended(p.sys_type)) {
- partitions[pno].start = start + p.start_sect;
- if (next)
- printf("tree of partitions?\n");
- else
- next = partitions[pno].start; /* follow `upper' branch */
- moretodo = 1;
- } else {
- partitions[pno].start = here + p.start_sect;
- }
- partitions[pno].size = p.nr_sects;
- partitions[pno].ptype = DOS_TYPE;
- partitions[pno].p = p;
- pno++;
- }
- here = next;
- }
-
- z->partno = pno;
+ z->partno = pno;
}
#define BSD_DISKMAGIC (0x82564557UL)
typedef unsigned short u16;
typedef unsigned int u32;
struct bsd_disklabel {
- u32 d_magic;
- char d_junk1[4];
- char d_typename[16];
- char d_packname[16];
- char d_junk2[92];
- u32 d_magic2;
- char d_junk3[2];
- u16 d_npartitions; /* number of partitions in following */
- char d_junk4[8];
- struct bsd_partition { /* the partition table */
- u32 p_size; /* number of sectors in partition */
- u32 p_offset; /* starting sector */
- u32 p_fsize; /* filesystem basic fragment size */
- u8 p_fstype; /* filesystem type, see below */
- u8 p_frag; /* filesystem fragments per block */
- u16 p_cpg; /* filesystem cylinders per group */
- } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
+ u32 d_magic;
+ char d_junk1[4];
+ char d_typename[16];
+ char d_packname[16];
+ char d_junk2[92];
+ u32 d_magic2;
+ char d_junk3[2];
+ u16 d_npartitions; /* number of partitions in following */
+ char d_junk4[8];
+ struct bsd_partition { /* the partition table */
+ u32 p_size; /* number of sectors in partition */
+ u32 p_offset; /* starting sector */
+ u32 p_fsize; /* filesystem basic fragment size */
+ u8 p_fstype; /* filesystem type, see below */
+ u8 p_frag; /* filesystem fragments per block */
+ u16 p_cpg; /* filesystem cylinders per group */
+ } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
};
static void
-bsd_partition(char *dev, int fd, struct part_desc *ep, struct disk_desc *z) {
+bsd_partition(char *dev, int fd, struct part_desc *ep, struct disk_desc *z)
+{
struct bsd_disklabel *l;
struct bsd_partition *bp, *bp0;
unsigned long start = ep->start;
struct part_desc *partitions = &(z->partitions[0]);
int pno = z->partno;
- if (!(s = get_sector(dev,fd,start+1)))
+ if (!(s = get_sector(dev, fd, start + 1)))
return;
l = (struct bsd_disklabel *) (s->data);
if (l->d_magic != BSD_DISKMAGIC)
bp = bp0 = &l->d_partitions[0];
while (bp - bp0 <= BSD_MAXPARTITIONS) {
- if (pno+1 >= SIZE(z->partitions)) {
+ if (pno + 1 >= SIZE(z->partitions)) {
printf("too many partitions - ignoring those "
- "past nr (%d)\n", pno-1);
+ "past nr (%d)\n", pno - 1);
break;
}
if (bp->p_fstype != BSD_FS_UNUSED) {
partitions[pno].start = bp->p_offset;
partitions[pno].size = bp->p_size;
- partitions[pno].sector = start+1;
- partitions[pno].offset = (char *)bp - (char *)bp0;
+ partitions[pno].sector = start + 1;
+ partitions[pno].offset = (char *) bp - (char *) bp0;
partitions[pno].ep = 0;
partitions[pno].ptype = BSD_TYPE;
pno++;
}
static int
-msdos_partition(char *dev, int fd, unsigned long start, struct disk_desc *z) {
- int i;
- char *cp;
- struct partition pt;
- struct sector *s;
- struct part_desc *partitions = &(z->partitions[0]);
- int pno = z->partno;
-
- if (!(s = get_sector(dev, fd, start)))
- return 0;
+msdos_partition(char *dev, int fd, unsigned long start,
+ struct disk_desc *z)
+{
+ int i;
+ char *cp;
+ struct partition pt;
+ struct sector *s;
+ struct part_desc *partitions = &(z->partitions[0]);
+ int pno = z->partno;
- if (!msdos_signature(s))
- return 0;
+ if (!(s = get_sector(dev, fd, start)))
+ return 0;
- cp = s->data + 0x1be;
- copy_to_part(cp,&pt);
+ if (!msdos_signature(s))
+ return 0;
- /* If I am not mistaken, recent kernels will hide this from us,
+ cp = s->data + 0x1be;
+ copy_to_part(cp, &pt);
+
+ /* If I am not mistaken, recent kernels will hide this from us,
so we will never actually see traces of a Disk Manager */
- if (pt.sys_type == DM6_PARTITION
- || pt.sys_type == EZD_PARTITION
- || pt.sys_type == DM6_AUX1PARTITION
- || pt.sys_type == DM6_AUX3PARTITION) {
- printf("detected Disk Manager - unable to handle that\n");
- return 0;
- }
- { unsigned int sig = *(unsigned short *)(s->data + 2);
- if (sig <= 0x1ae
- && *(unsigned short *)(s->data + sig) == 0x55aa
- && (1 & *(unsigned char *)(s->data + sig + 2))) {
- printf("DM6 signature found - giving up\n");
- return 0;
- }
- }
-
- for (pno=0; pno<4; pno++,cp += sizeof(struct partition)) {
- partitions[pno].sector = start;
- partitions[pno].offset = cp - s->data;
- copy_to_part(cp,&pt);
- partitions[pno].start = start + pt.start_sect;
- partitions[pno].size = pt.nr_sects;
- partitions[pno].ep = 0;
- partitions[pno].p = pt;
- }
-
- z->partno = pno;
-
- for (i=0; i<4; i++) {
- if (is_extended(partitions[i].p.sys_type)) {
- if (!partitions[i].size) {
- printf("strange..., an extended partition of size 0?\n");
- continue;
- }
- extended_partition(dev, fd, &partitions[i], z);
- }
- if (is_bsd(partitions[i].p.sys_type)) {
- if (!partitions[i].size) {
- printf("strange..., a BSD partition of size 0?\n");
- continue;
- }
- bsd_partition(dev, fd, &partitions[i], z);
- }
- }
- return 1;
+ if (pt.sys_type == DM6_PARTITION
+ || pt.sys_type == EZD_PARTITION
+ || pt.sys_type == DM6_AUX1PARTITION
+ || pt.sys_type == DM6_AUX3PARTITION) {
+ printf("detected Disk Manager - unable to handle that\n");
+ return 0;
+ }
+ {
+ unsigned int sig = *(unsigned short *) (s->data + 2);
+
+ if (sig <= 0x1ae
+ && *(unsigned short *) (s->data + sig) == 0x55aa
+ && (1 & *(unsigned char *) (s->data + sig + 2))) {
+ printf("DM6 signature found - giving up\n");
+ return 0;
+ }
+ }
+
+ for (pno = 0; pno < 4; pno++, cp += sizeof(struct partition)) {
+ partitions[pno].sector = start;
+ partitions[pno].offset = cp - s->data;
+ copy_to_part(cp, &pt);
+ partitions[pno].start = start + pt.start_sect;
+ partitions[pno].size = pt.nr_sects;
+ partitions[pno].ep = 0;
+ partitions[pno].p = pt;
+ }
+
+ z->partno = pno;
+
+ for (i = 0; i < 4; i++) {
+ if (is_extended(partitions[i].p.sys_type)) {
+ if (!partitions[i].size) {
+ printf("strange..., an extended partition of size 0?\n");
+ continue;
+ }
+ extended_partition(dev, fd, &partitions[i], z);
+ }
+ if (is_bsd(partitions[i].p.sys_type)) {
+ if (!partitions[i].size) {
+ printf("strange..., a BSD partition of size 0?\n");
+ continue;
+ }
+ bsd_partition(dev, fd, &partitions[i], z);
+ }
+ }
+ return 1;
}
static int
-osf_partition(char *dev, int fd, unsigned long start, struct disk_desc *z) {
+osf_partition(char *dev, int fd, unsigned long start, struct disk_desc *z)
+{
return 0;
}
static int
-sun_partition(char *dev, int fd, unsigned long start, struct disk_desc *z) {
+sun_partition(char *dev, int fd, unsigned long start, struct disk_desc *z)
+{
return 0;
}
static int
-amiga_partition(char *dev, int fd, unsigned long start, struct disk_desc *z) {
+amiga_partition(char *dev, int fd, unsigned long start,
+ struct disk_desc *z)
+{
return 0;
}
-static void
-get_partitions(char *dev, int fd, struct disk_desc *z) {
- z->partno = 0;
+static void get_partitions(char *dev, int fd, struct disk_desc *z)
+{
+ z->partno = 0;
- if (!msdos_partition(dev, fd, 0, z)
- && !osf_partition(dev, fd, 0, z)
- && !sun_partition(dev, fd, 0, z)
- && !amiga_partition(dev, fd, 0, z)) {
- printf(" %s: unrecognized partition\n", dev);
- return;
- }
+ if (!msdos_partition(dev, fd, 0, z)
+ && !osf_partition(dev, fd, 0, z)
+ && !sun_partition(dev, fd, 0, z)
+ && !amiga_partition(dev, fd, 0, z)) {
+ printf(" %s: unrecognized partition\n", dev);
+ return;
+ }
}
-static int
-write_partitions(char *dev, int fd, struct disk_desc *z) {
- struct sector *s;
- struct part_desc *partitions = &(z->partitions[0]), *p;
- int pno = z->partno;
-
- if (no_write) {
- printf("-n flag was given: Nothing changed\n");
- exit(0);
- }
-
- for (p = partitions; p < partitions+pno; p++) {
- s = get_sector(dev, fd, p->sector);
- if (!s) return 0;
- s->to_be_written = 1;
- copy_from_part(&(p->p), s->data + p->offset);
- *(unsigned short *)(&(s->data[0x1fe])) = 0xaa55;
- }
- if (save_sector_file) {
- if (!save_sectors(dev, fd)) {
- fatal("Failed saving the old sectors - aborting\n");
- return 0;
- }
- }
- if (!write_sectors(dev, fd)) {
- error("Failed writing the partition on %s\n"), dev;
- return 0;
- }
- return 1;
+static int write_partitions(char *dev, int fd, struct disk_desc *z)
+{
+ struct sector *s;
+ struct part_desc *partitions = &(z->partitions[0]), *p;
+ int pno = z->partno;
+
+ if (no_write) {
+ printf("-n flag was given: Nothing changed\n");
+ exit(0);
+ }
+
+ for (p = partitions; p < partitions + pno; p++) {
+ s = get_sector(dev, fd, p->sector);
+ if (!s)
+ return 0;
+ s->to_be_written = 1;
+ copy_from_part(&(p->p), s->data + p->offset);
+ *(unsigned short *) (&(s->data[0x1fe])) = 0xaa55;
+ }
+ if (save_sector_file) {
+ if (!save_sectors(dev, fd)) {
+ fatalError("Failed saving the old sectors - aborting\n");
+ return 0;
+ }
+ }
+ if (!write_sectors(dev, fd)) {
+ errorMsg("Failed writing the partition on %s\n", dev);
+ return 0;
+ }
+ return 1;
}
/*
static int eof, eob;
struct dumpfld {
- int fldno;
- char *fldname;
- int is_bool;
+ int fldno;
+ char *fldname;
+ int is_bool;
} dumpflds[] = {
- { 0, "start", 0 },
- { 1, "size", 0 },
- { 2, "Id", 0 },
- { 3, "bootable", 1 },
- { 4, "bh", 0 },
- { 5, "bs", 0 },
- { 6, "bc", 0 },
- { 7, "eh", 0 },
- { 8, "es", 0 },
- { 9, "ec", 0 }
+ {
+ 0, "start", 0}, {
+ 1, "size", 0}, {
+ 2, "Id", 0}, {
+ 3, "bootable", 1}, {
+ 4, "bh", 0}, {
+ 5, "bs", 0}, {
+ 6, "bc", 0}, {
+ 7, "eh", 0}, {
+ 8, "es", 0}, {
+ 9, "ec", 0}
};
/*
#define RD_CMD (-2)
static int
-read_stdin(unsigned char **fields, unsigned char *line, int fieldssize, int linesize) {
- unsigned char *lp, *ip;
- int c, fno;
-
- /* boolean true and empty string at start */
- line[0] = '*';
- line[1] = 0;
- for (fno=0; fno < fieldssize; fno++)
- fields[fno] = line + 1;
- fno = 0;
-
- /* read a line from stdin */
- lp = fgets(line+2, linesize, stdin);
- if (lp == NULL) {
- eof = 1;
- return RD_EOF;
- }
- if (!(lp = index(lp, '\n')))
- fatal("long or incomplete input line - quitting\n");
- *lp = 0;
-
- /* remove comments, if any */
- if ((lp = index(line+2, '#')) != 0)
- *lp = 0;
-
- /* recognize a few commands - to be expanded */
- if (!strcmp(line+2, "unit: sectors")) {
- specified_format = F_SECTOR;
- return RD_CMD;
- }
-
- /* dump style? - then bad input is fatal */
- if ((ip = index(line+2, ':')) != 0) {
- struct dumpfld *d;
-
- nxtfld:
- ip++;
- while(isspace(*ip))
- ip++;
- if (*ip == 0)
- return fno;
- for(d = dumpflds; d-dumpflds < SIZE(dumpflds); d++) {
- if(!strncmp(ip, d->fldname, strlen(d->fldname))) {
- ip += strlen(d->fldname);
- while(isspace(*ip))
- ip++;
- if (d->is_bool)
- fields[d->fldno] = line;
- else if (*ip == '=') {
- while(isspace(*++ip)) ;
- fields[d->fldno] = ip;
- while(isalnum(*ip)) /* 0x07FF */
- ip++;
- } else
- fatal("input error: `=' expected after %s field\n",
- d->fldname);
- if (fno <= d->fldno)
- fno = d->fldno + 1;
- if(*ip == 0)
- return fno;
- if(*ip != ',' && *ip != ';')
- fatal("input error: unexpected character %c after %s field\n",
- *ip, d->fldname);
- *ip = 0;
- goto nxtfld;
+read_stdin(unsigned char **fields, unsigned char *line, int fieldssize,
+ int linesize)
+{
+ unsigned char *lp, *ip;
+ int c, fno;
+
+ /* boolean true and empty string at start */
+ line[0] = '*';
+ line[1] = 0;
+ for (fno = 0; fno < fieldssize; fno++)
+ fields[fno] = line + 1;
+ fno = 0;
+
+ /* read a line from stdin */
+ lp = fgets(line + 2, linesize, stdin);
+ if (lp == NULL) {
+ eof = 1;
+ return RD_EOF;
+ }
+ if (!(lp = index(lp, '\n')))
+ fatalError("long or incomplete input line - quitting\n");
+ *lp = 0;
+
+ /* remove comments, if any */
+ if ((lp = index(line + 2, '#')) != 0)
+ *lp = 0;
+
+ /* recognize a few commands - to be expanded */
+ if (!strcmp(line + 2, "unit: sectors")) {
+ specified_format = F_SECTOR;
+ return RD_CMD;
+ }
+
+ /* dump style? - then bad input is fatal */
+ if ((ip = index(line + 2, ':')) != 0) {
+ struct dumpfld *d;
+
+ nxtfld:
+ ip++;
+ while (isspace(*ip))
+ ip++;
+ if (*ip == 0)
+ return fno;
+ for (d = dumpflds; d - dumpflds < SIZE(dumpflds); d++) {
+ if (!strncmp(ip, d->fldname, strlen(d->fldname))) {
+ ip += strlen(d->fldname);
+ while (isspace(*ip))
+ ip++;
+ if (d->is_bool)
+ fields[d->fldno] = line;
+ else if (*ip == '=') {
+ while (isspace(*++ip));
+ fields[d->fldno] = ip;
+ while (isalnum(*ip)) /* 0x07FF */
+ ip++;
+ } else
+ fatalError("input error: `=' expected after %s field\n",
+ d->fldname);
+ if (fno <= d->fldno)
+ fno = d->fldno + 1;
+ if (*ip == 0)
+ return fno;
+ if (*ip != ',' && *ip != ';')
+ fatalError
+ ("input error: unexpected character %c after %s field\n",
+ *ip, d->fldname);
+ *ip = 0;
+ goto nxtfld;
+ }
}
- }
- fatal("unrecognized input: %s\n"), ip;
- }
-
- /* split line into fields */
- lp = ip = line+2;
- fields[fno++] = lp;
- while((c = *ip++) != 0) {
- if (!lp[-1] && (c == '\t' || c == ' '))
- ;
- else if (c == '\t' || c == ' ' || c == ',' || c == ';') {
- *lp++ = 0;
- if (fno < fieldssize)
- fields[fno++] = lp;
- continue;
- } else
- *lp++ = c;
- }
+ fatalError("unrecognized input: %s\n", ip);
+ }
- if (lp == fields[fno-1])
- fno--;
- return fno;
+ /* split line into fields */
+ lp = ip = line + 2;
+ fields[fno++] = lp;
+ while ((c = *ip++) != 0) {
+ if (!lp[-1] && (c == '\t' || c == ' '));
+ else if (c == '\t' || c == ' ' || c == ',' || c == ';') {
+ *lp++ = 0;
+ if (fno < fieldssize)
+ fields[fno++] = lp;
+ continue;
+ } else
+ *lp++ = c;
+ }
+
+ if (lp == fields[fno - 1])
+ fno--;
+ return fno;
}
/* read a number, use default if absent */
-static int
-get_ul(char *u, unsigned long *up, unsigned long def, int base) {
- char *nu;
-
- if (*u) {
- errno = 0;
- *up = strtoul(u, &nu, base);
- if (errno == ERANGE) {
- printf("number too big\n");
- return -1;
- }
- if (*nu) {
- printf("trailing junk after number\n");
- return -1;
- }
- } else
- *up = def;
- return 0;
+static int get_ul(char *u, unsigned long *up, unsigned long def, int base)
+{
+ char *nu;
+
+ if (*u) {
+ errno = 0;
+ *up = strtoul(u, &nu, base);
+ if (errno == ERANGE) {
+ printf("number too big\n");
+ return -1;
+ }
+ if (*nu) {
+ printf("trailing junk after number\n");
+ return -1;
+ }
+ } else
+ *up = def;
+ return 0;
}
/* There are two common ways to structure extended partitions:
/* find the default value for <start> - assuming entire units */
static unsigned long
first_free(int pno, int is_extended, struct part_desc *ep, int format,
- unsigned long mid, struct disk_desc *z) {
- unsigned long ff, fff;
- unsigned long unit = unitsize(format);
- struct part_desc *partitions = &(z->partitions[0]), *pp = 0;
-
- /* if containing ep undefined, look at its container */
- if (ep && ep->p.sys_type == EMPTY_PARTITION)
- ep = ep->ep;
-
- if (ep) {
- if (boxes == NESTED || (boxes == CHAINED && !is_extended))
- pp = ep;
- else if (all_logicals_inside_outermost_extended)
- pp = outer_extended_partition(ep);
- }
+ unsigned long mid, struct disk_desc *z)
+{
+ unsigned long ff, fff;
+ unsigned long unit = unitsize(format);
+ struct part_desc *partitions = &(z->partitions[0]), *pp = 0;
+
+ /* if containing ep undefined, look at its container */
+ if (ep && ep->p.sys_type == EMPTY_PARTITION)
+ ep = ep->ep;
+
+ if (ep) {
+ if (boxes == NESTED || (boxes == CHAINED && !is_extended))
+ pp = ep;
+ else if (all_logicals_inside_outermost_extended)
+ pp = outer_extended_partition(ep);
+ }
#if 0
- ff = pp ? (pp->start + unit - 1) / unit : 0;
+ ff = pp ? (pp->start + unit - 1) / unit : 0;
#else
- /* rounding up wastes almost an entire cylinder - round down
- and leave it to compute_start_sect() to fix the difference */
- ff = pp ? pp->start / unit : 0;
+ /* rounding up wastes almost an entire cylinder - round down
+ and leave it to compute_start_sect() to fix the difference */
+ ff = pp ? pp->start / unit : 0;
#endif
- /* MBR and 1st sector of an extended partition are never free */
- if (unit == 1)
- ff++;
+ /* MBR and 1st sector of an extended partition are never free */
+ if (unit == 1)
+ ff++;
again:
- for(pp = partitions; pp < partitions+pno; pp++) {
- if (!is_parent(pp, ep) && pp->size > 0) {
- if ((partitions_in_order || pp->start / unit <= ff
- || (mid && pp->start / unit <= mid))
- && (fff = (pp->start + pp->size + unit - 1) / unit) > ff) {
- ff = fff;
- goto again;
- }
+ for (pp = partitions; pp < partitions + pno; pp++) {
+ if (!is_parent(pp, ep) && pp->size > 0) {
+ if ((partitions_in_order || pp->start / unit <= ff
+ || (mid && pp->start / unit <= mid))
+ && (fff = (pp->start + pp->size + unit - 1) / unit) > ff) {
+ ff = fff;
+ goto again;
+ }
+ }
}
- }
- return ff;
+ return ff;
}
/* find the default value for <size> - assuming entire units */
static unsigned long
max_length(int pno, int is_extended, struct part_desc *ep, int format,
- unsigned long start, struct disk_desc *z) {
- unsigned long fu;
- unsigned long unit = unitsize(format);
- struct part_desc *partitions = &(z->partitions[0]), *pp = 0;
-
- /* if containing ep undefined, look at its container */
- if (ep && ep->p.sys_type == EMPTY_PARTITION)
- ep = ep->ep;
-
- if (ep) {
- if (boxes == NESTED || (boxes == CHAINED && !is_extended))
- pp = ep;
- else if (all_logicals_inside_outermost_extended)
- pp = outer_extended_partition(ep);
- }
- fu = pp ? (pp->start + pp->size) / unit : get_disksize(format);
-
- for(pp = partitions; pp < partitions+pno; pp++)
- if (!is_parent(pp, ep) && pp->size > 0
- && pp->start / unit >= start && pp->start / unit < fu)
- fu = pp->start / unit;
-
- return (fu > start) ? fu - start : 0;
+ unsigned long start, struct disk_desc *z)
+{
+ unsigned long fu;
+ unsigned long unit = unitsize(format);
+ struct part_desc *partitions = &(z->partitions[0]), *pp = 0;
+
+ /* if containing ep undefined, look at its container */
+ if (ep && ep->p.sys_type == EMPTY_PARTITION)
+ ep = ep->ep;
+
+ if (ep) {
+ if (boxes == NESTED || (boxes == CHAINED && !is_extended))
+ pp = ep;
+ else if (all_logicals_inside_outermost_extended)
+ pp = outer_extended_partition(ep);
+ }
+ fu = pp ? (pp->start + pp->size) / unit : get_disksize(format);
+
+ for (pp = partitions; pp < partitions + pno; pp++)
+ if (!is_parent(pp, ep) && pp->size > 0
+ && pp->start / unit >= start && pp->start / unit < fu)
+ fu = pp->start / unit;
+
+ return (fu > start) ? fu - start : 0;
}
/* compute starting sector of a partition inside an extended one */
/* ep is 0 or points to surrounding extended partition */
-static int
-compute_start_sect(struct part_desc *p, struct part_desc *ep) {
- unsigned long base;
- int inc = (DOS && B.sectors) ? B.sectors : 1;
- int delta;
-
- if (ep && p->start + p->size >= ep->start + 1)
- delta = p->start - ep->start - inc;
- else if (p->start == 0 && p->size > 0)
- delta = -inc;
- else
- delta = 0;
- if (delta < 0) {
- p->start -= delta;
- p->size += delta;
- if (is_extended(p->p.sys_type) && boxes == ONESECTOR)
- p->size = inc;
- else if ((int)(p->size) <= 0) {
- warn("no room for partition descriptor\n");
- return 0;
- }
- }
- base = (!ep ? 0
- : (is_extended(p->p.sys_type) ?
- outer_extended_partition(ep) : ep)->start);
- p->ep = ep;
- if (p->p.sys_type == EMPTY_PARTITION && p->size == 0) {
- p->p.start_sect = 0;
- p->p.begin_chs = zero_chs;
- p->p.end_chs = zero_chs;
- } else {
- p->p.start_sect = p->start - base;
- p->p.begin_chs = ulong_to_chs(p->start,B);
- p->p.end_chs = ulong_to_chs(p->start + p->size - 1,B);
- }
- p->p.nr_sects = p->size;
- return 1;
-}
+static int compute_start_sect(struct part_desc *p, struct part_desc *ep)
+{
+ unsigned long base;
+ int inc = (DOS && B.sectors) ? B.sectors : 1;
+ int delta;
+
+ if (ep && p->start + p->size >= ep->start + 1)
+ delta = p->start - ep->start - inc;
+ else if (p->start == 0 && p->size > 0)
+ delta = -inc;
+ else
+ delta = 0;
+ if (delta < 0) {
+ p->start -= delta;
+ p->size += delta;
+ if (is_extended(p->p.sys_type) && boxes == ONESECTOR)
+ p->size = inc;
+ else if ((int) (p->size) <= 0) {
+ warn("no room for partition descriptor\n");
+ return 0;
+ }
+ }
+ base = (!ep ? 0
+ : (is_extended(p->p.sys_type) ?
+ outer_extended_partition(ep) : ep)->start);
+ p->ep = ep;
+ if (p->p.sys_type == EMPTY_PARTITION && p->size == 0) {
+ p->p.start_sect = 0;
+ p->p.begin_chs = zero_chs;
+ p->p.end_chs = zero_chs;
+ } else {
+ p->p.start_sect = p->start - base;
+ p->p.begin_chs = ulong_to_chs(p->start, B);
+ p->p.end_chs = ulong_to_chs(p->start + p->size - 1, B);
+ }
+ p->p.nr_sects = p->size;
+ return 1;
+}
/* build the extended partition surrounding a given logical partition */
static int
build_surrounding_extended(struct part_desc *p, struct part_desc *ep,
- struct disk_desc *z) {
- int inc = (DOS && B.sectors) ? B.sectors : 1;
- int format = F_SECTOR;
- struct part_desc *p0 = &(z->partitions[0]), *eep = ep->ep;
-
- if (boxes == NESTED) {
- ep->start = first_free(ep-p0, 1, eep, format, p->start, z);
- ep->size = max_length(ep-p0, 1, eep, format, ep->start, z);
- if (ep->start > p->start || ep->start + ep->size < p->start + p->size) {
- warn("cannot build surrounding extended partition\n");
- return 0;
- }
- } else {
- ep->start = p->start;
- if(boxes == CHAINED)
- ep->size = p->size;
- else
- ep->size = inc;
- }
-
- ep->p.nr_sects = ep->size;
- ep->p.bootable = 0;
- ep->p.sys_type = EXTENDED_PARTITION;
- if (!compute_start_sect(ep, eep) || !compute_start_sect(p, ep)) {
- ep->p.sys_type = EMPTY_PARTITION;
- ep->size = 0;
- return 0;
- }
+ struct disk_desc *z)
+{
+ int inc = (DOS && B.sectors) ? B.sectors : 1;
+ int format = F_SECTOR;
+ struct part_desc *p0 = &(z->partitions[0]), *eep = ep->ep;
+
+ if (boxes == NESTED) {
+ ep->start = first_free(ep - p0, 1, eep, format, p->start, z);
+ ep->size = max_length(ep - p0, 1, eep, format, ep->start, z);
+ if (ep->start > p->start
+ || ep->start + ep->size < p->start + p->size) {
+ warn("cannot build surrounding extended partition\n");
+ return 0;
+ }
+ } else {
+ ep->start = p->start;
+ if (boxes == CHAINED)
+ ep->size = p->size;
+ else
+ ep->size = inc;
+ }
- return 1;
+ ep->p.nr_sects = ep->size;
+ ep->p.bootable = 0;
+ ep->p.sys_type = EXTENDED_PARTITION;
+ if (!compute_start_sect(ep, eep) || !compute_start_sect(p, ep)) {
+ ep->p.sys_type = EMPTY_PARTITION;
+ ep->size = 0;
+ return 0;
+ }
+
+ return 1;
}
static int
read_line(int pno, struct part_desc *ep, char *dev, int interactive,
- struct disk_desc *z) {
- unsigned char line[1000];
- unsigned char *fields[11];
- int fno, pct = pno%4;
- struct part_desc p, *orig;
- unsigned long ff, ff1, ul, ml, ml1, def;
- int format, lpno, is_extd;
-
- if (eof || eob)
- return -1;
-
- lpno = index_to_linux(pno, z);
-
- if (interactive) {
- if (pct == 0 && (show_extended || pno == 0))
- warn("\n");
- warn("%8s%d: ", dev, lpno);
- }
-
- /* read input line - skip blank lines when reading from a file */
- do {
- fno = read_stdin(fields, line, SIZE(fields), SIZE(line));
- } while(fno == RD_CMD || (fno == 0 && !interactive));
- if (fno == RD_EOF) {
- return -1;
- } else if (fno > 10 && *(fields[10]) != 0) {
- printf("too many input fields\n");
- return 0;
- }
+ struct disk_desc *z)
+{
+ unsigned char line[1000];
+ unsigned char *fields[11];
+ int fno, pct = pno % 4;
+ struct part_desc p, *orig;
+ unsigned long ff, ff1, ul, ml, ml1, def;
+ int format, lpno, is_extd;
- if (fno == 1 && !strcmp(fields[0], ".")) {
- eob = 1;
- return -1;
- }
+ if (eof || eob)
+ return -1;
- /* use specified format, but round to cylinders if F_MEGABYTE specified */
- format = 0;
- if (B.cylindersize && specified_format == F_MEGABYTE)
- format = F_CYLINDER;
+ lpno = index_to_linux(pno, z);
- orig = (one_only ? &(oldp.partitions[pno]) : 0);
+ if (interactive) {
+ if (pct == 0 && (show_extended || pno == 0))
+ warn("\n");
+ warn("%8s%d: ", dev, lpno);
+ }
+
+ /* read input line - skip blank lines when reading from a file */
+ do {
+ fno = read_stdin(fields, line, SIZE(fields), SIZE(line));
+ } while (fno == RD_CMD || (fno == 0 && !interactive));
+ if (fno == RD_EOF) {
+ return -1;
+ } else if (fno > 10 && *(fields[10]) != 0) {
+ printf("too many input fields\n");
+ return 0;
+ }
- p = zero_part_desc;
- p.ep = ep;
+ if (fno == 1 && !strcmp(fields[0], ".")) {
+ eob = 1;
+ return -1;
+ }
+
+ /* use specified format, but round to cylinders if F_MEGABYTE specified */
+ format = 0;
+ if (B.cylindersize && specified_format == F_MEGABYTE)
+ format = F_CYLINDER;
+
+ orig = (one_only ? &(oldp.partitions[pno]) : 0);
+
+ p = zero_part_desc;
+ p.ep = ep;
+
+ /* first read the type - we need to know whether it is extended */
+ /* stop reading when input blank (defaults) and all is full */
+ is_extd = 0;
+ if (fno == 0) { /* empty line */
+ if (orig && is_extended(orig->p.sys_type))
+ is_extd = 1;
+ ff = first_free(pno, is_extd, ep, format, 0, z);
+ ml = max_length(pno, is_extd, ep, format, ff, z);
+ if (ml == 0 && is_extd == 0) {
+ is_extd = 1;
+ ff = first_free(pno, is_extd, ep, format, 0, z);
+ ml = max_length(pno, is_extd, ep, format, ff, z);
+ }
+ if (ml == 0 && pno >= 4) {
+ /* no free blocks left - don't read any further */
+ warn("No room for more\n");
+ return -1;
+ }
+ }
+ if (fno < 3 || !*(fields[2]))
+ ul = orig ? orig->p.sys_type :
+ (is_extd || (pno > 3 && pct == 1 && show_extended))
+ ? EXTENDED_PARTITION : LINUX_NATIVE;
+ else if (!strcmp(fields[2], "L"))
+ ul = LINUX_NATIVE;
+ else if (!strcmp(fields[2], "S"))
+ ul = LINUX_SWAP;
+ else if (!strcmp(fields[2], "E"))
+ ul = EXTENDED_PARTITION;
+ else if (!strcmp(fields[2], "X"))
+ ul = LINUX_EXTENDED;
+ else if (get_ul(fields[2], &ul, LINUX_NATIVE, 16))
+ return 0;
+ if (ul > 255) {
+ warn("Illegal type\n");
+ return 0;
+ }
+ p.p.sys_type = ul;
+ is_extd = is_extended(ul);
- /* first read the type - we need to know whether it is extended */
- /* stop reading when input blank (defaults) and all is full */
- is_extd = 0;
- if (fno == 0) { /* empty line */
- if (orig && is_extended(orig->p.sys_type))
- is_extd = 1;
+ /* find start */
ff = first_free(pno, is_extd, ep, format, 0, z);
- ml = max_length(pno, is_extd, ep, format, ff, z);
- if (ml == 0 && is_extd == 0) {
- is_extd = 1;
- ff = first_free(pno, is_extd, ep, format, 0, z);
- ml = max_length(pno, is_extd, ep, format, ff, z);
- }
- if (ml == 0 && pno >= 4) {
- /* no free blocks left - don't read any further */
- warn("No room for more\n");
- return -1;
- }
- }
- if (fno < 3 || !*(fields[2]))
- ul = orig ? orig->p.sys_type :
- (is_extd || (pno > 3 && pct == 1 && show_extended))
- ? EXTENDED_PARTITION : LINUX_NATIVE;
- else if(!strcmp(fields[2], "L"))
- ul = LINUX_NATIVE;
- else if(!strcmp(fields[2], "S"))
- ul = LINUX_SWAP;
- else if(!strcmp(fields[2], "E"))
- ul = EXTENDED_PARTITION;
- else if(!strcmp(fields[2], "X"))
- ul = LINUX_EXTENDED;
- else if (get_ul(fields[2], &ul, LINUX_NATIVE, 16))
- return 0;
- if (ul > 255) {
- warn("Illegal type\n");
- return 0;
- }
- p.p.sys_type = ul;
- is_extd = is_extended(ul);
-
- /* find start */
- ff = first_free(pno, is_extd, ep, format, 0, z);
- ff1 = ff * unitsize(format);
- def = orig ? orig->start : (pno > 4 && pct > 1) ? 0 : ff1;
- if (fno < 1 || !*(fields[0]))
- p.start = def;
- else {
- if (get_ul(fields[0], &ul, def / unitsize(0), 0))
- return 0;
- p.start = ul * unitsize(0);
- p.start -= (p.start % unitsize(format));
- }
-
- /* find length */
- ml = max_length(pno, is_extd, ep, format, p.start / unitsize(format), z);
- ml1 = ml * unitsize(format);
- def = orig ? orig->size : (pno > 4 && pct > 1) ? 0 : ml1;
- if (fno < 2 || !*(fields[1]))
- p.size = def;
- else {
- if (get_ul(fields[1], &ul, def / unitsize(0), 0))
- return 0;
- p.size = ul * unitsize(0) + unitsize(format) - 1;
- p.size -= (p.size % unitsize(format));
- }
- if (p.size > ml1) {
- warn("Warning: exceeds max allowable size (%lu)\n", ml1 / unitsize(0));
- if (!force)
- return 0;
- }
- if (p.size == 0 && pno >= 4 && (fno < 2 || !*(fields[1]))) {
- warn("Warning: empty partition\n");
- if (!force)
- return 0;
- }
- p.p.nr_sects = p.size;
-
- if (p.size == 0 && !orig) {
- if(fno < 1 || !*(fields[0]))
- p.start = 0;
- if(fno < 3 || !*(fields[2]))
- p.p.sys_type = EMPTY_PARTITION;
- }
-
- if (p.start < ff1 && p.size > 0) {
- warn("Warning: bad partition start (earliest %lu)\n",
- (ff1 + unitsize(0) - 1) / unitsize(0));
- if (!force)
- return 0;
- }
-
- if (fno < 4 || !*(fields[3]))
- ul = (orig ? orig->p.bootable : 0);
- else if (!strcmp(fields[3], "-"))
- ul = 0;
- else if (!strcmp(fields[3], "*") || !strcmp(fields[3], "+"))
- ul = 0x80;
- else {
- warn("unrecognized bootable flag - choose - or *\n");
- return 0;
- }
- p.p.bootable = ul;
-
- if (ep && ep->p.sys_type == EMPTY_PARTITION) {
- if(!build_surrounding_extended(&p, ep, z))
- return 0;
- } else
- if(!compute_start_sect(&p, ep))
- return 0;
+ ff1 = ff * unitsize(format);
+ def = orig ? orig->start : (pno > 4 && pct > 1) ? 0 : ff1;
+ if (fno < 1 || !*(fields[0]))
+ p.start = def;
+ else {
+ if (get_ul(fields[0], &ul, def / unitsize(0), 0))
+ return 0;
+ p.start = ul * unitsize(0);
+ p.start -= (p.start % unitsize(format));
+ }
- { longchs aa = chs_to_longchs(p.p.begin_chs), bb;
+ /* find length */
+ ml =
+ max_length(pno, is_extd, ep, format, p.start / unitsize(format),
+ z);
+ ml1 = ml * unitsize(format);
+ def = orig ? orig->size : (pno > 4 && pct > 1) ? 0 : ml1;
+ if (fno < 2 || !*(fields[1]))
+ p.size = def;
+ else {
+ if (get_ul(fields[1], &ul, def / unitsize(0), 0))
+ return 0;
+ p.size = ul * unitsize(0) + unitsize(format) - 1;
+ p.size -= (p.size % unitsize(format));
+ }
+ if (p.size > ml1) {
+ warn("Warning: exceeds max allowable size (%lu)\n",
+ ml1 / unitsize(0));
+ if (!force)
+ return 0;
+ }
+ if (p.size == 0 && pno >= 4 && (fno < 2 || !*(fields[1]))) {
+ warn("Warning: empty partition\n");
+ if (!force)
+ return 0;
+ }
+ p.p.nr_sects = p.size;
- if (fno < 5) {
- bb = aa;
- } else if (fno < 7) {
- warn("partial c,h,s specification?\n");
- return 0;
- } else if(get_ul(fields[4], &bb.c, aa.c, 0) ||
- get_ul(fields[5], &bb.h, aa.h, 0) ||
- get_ul(fields[6], &bb.s, aa.s, 0))
- return 0;
- p.p.begin_chs = longchs_to_chs(bb,B);
- }
- { longchs aa = chs_to_longchs(p.p.end_chs), bb;
-
- if (fno < 8) {
- bb = aa;
- } else if (fno < 10) {
- warn("partial c,h,s specification?\n");
- return 0;
- } else if(get_ul(fields[7], &bb.c, aa.c, 0) ||
- get_ul(fields[8], &bb.h, aa.h, 0) ||
- get_ul(fields[9], &bb.s, aa.s, 0))
- return 0;
- p.p.end_chs = longchs_to_chs(bb, B);
- }
+ if (p.size == 0 && !orig) {
+ if (fno < 1 || !*(fields[0]))
+ p.start = 0;
+ if (fno < 3 || !*(fields[2]))
+ p.p.sys_type = EMPTY_PARTITION;
+ }
+
+ if (p.start < ff1 && p.size > 0) {
+ warn("Warning: bad partition start (earliest %lu)\n",
+ (ff1 + unitsize(0) - 1) / unitsize(0));
+ if (!force)
+ return 0;
+ }
+
+ if (fno < 4 || !*(fields[3]))
+ ul = (orig ? orig->p.bootable : 0);
+ else if (!strcmp(fields[3], "-"))
+ ul = 0;
+ else if (!strcmp(fields[3], "*") || !strcmp(fields[3], "+"))
+ ul = 0x80;
+ else {
+ warn("unrecognized bootable flag - choose - or *\n");
+ return 0;
+ }
+ p.p.bootable = ul;
+
+ if (ep && ep->p.sys_type == EMPTY_PARTITION) {
+ if (!build_surrounding_extended(&p, ep, z))
+ return 0;
+ } else if (!compute_start_sect(&p, ep))
+ return 0;
- if (pno > 3 && p.size && show_extended && p.p.sys_type != EMPTY_PARTITION
- && (is_extended(p.p.sys_type) != (pct == 1))) {
- warn("Extended partition not where expected\n");
- if (!force)
- return 0;
- }
+ {
+ longchs aa = chs_to_longchs(p.p.begin_chs), bb;
+
+ if (fno < 5) {
+ bb = aa;
+ } else if (fno < 7) {
+ warn("partial c,h,s specification?\n");
+ return 0;
+ } else if (get_ul(fields[4], &bb.c, aa.c, 0) ||
+ get_ul(fields[5], &bb.h, aa.h, 0) ||
+ get_ul(fields[6], &bb.s, aa.s, 0))
+ return 0;
+ p.p.begin_chs = longchs_to_chs(bb, B);
+ }
+ {
+ longchs aa = chs_to_longchs(p.p.end_chs), bb;
+
+ if (fno < 8) {
+ bb = aa;
+ } else if (fno < 10) {
+ warn("partial c,h,s specification?\n");
+ return 0;
+ } else if (get_ul(fields[7], &bb.c, aa.c, 0) ||
+ get_ul(fields[8], &bb.h, aa.h, 0) ||
+ get_ul(fields[9], &bb.s, aa.s, 0))
+ return 0;
+ p.p.end_chs = longchs_to_chs(bb, B);
+ }
- z->partitions[pno] = p;
- if (pno >= z->partno)
- z->partno += 4; /* reqd for out_partition() */
+ if (pno > 3 && p.size && show_extended
+ && p.p.sys_type != EMPTY_PARTITION
+ && (is_extended(p.p.sys_type) != (pct == 1))) {
+ warn("Extended partition not where expected\n");
+ if (!force)
+ return 0;
+ }
- if (interactive)
- out_partition(dev, 0, &(z->partitions[pno]), z, B);
+ z->partitions[pno] = p;
+ if (pno >= z->partno)
+ z->partno += 4; /* reqd for out_partition() */
- return 1;
+ if (interactive)
+ out_partition(dev, 0, &(z->partitions[pno]), z, B);
+
+ return 1;
}
/* ep either points to the extended partition to contain this one,
or to the empty partition that may become extended or is 0 */
static int
read_partition(char *dev, int interactive, int pno, struct part_desc *ep,
- struct disk_desc *z) {
- struct part_desc *p = &(z->partitions[pno]);
- int i;
-
- if (one_only) {
- *p = oldp.partitions[pno];
- if (one_only_pno != pno)
- goto ret;
- } else if (!show_extended && pno > 4 && pno%4)
- goto ret;
-
- while (!(i = read_line(pno, ep, dev, interactive, z)))
- if (!interactive)
- fatal("bad input\n");
- if (i < 0) {
- p->ep = ep;
- return 0;
- }
+ struct disk_desc *z)
+{
+ struct part_desc *p = &(z->partitions[pno]);
+ int i;
+
+ if (one_only) {
+ *p = oldp.partitions[pno];
+ if (one_only_pno != pno)
+ goto ret;
+ } else if (!show_extended && pno > 4 && pno % 4)
+ goto ret;
+
+ while (!(i = read_line(pno, ep, dev, interactive, z)))
+ if (!interactive)
+ fatalError("bad input\n");
+ if (i < 0) {
+ p->ep = ep;
+ return 0;
+ }
ret:
- p->ep = ep;
- if (pno >= z->partno)
- z->partno += 4;
- return 1;
+ p->ep = ep;
+ if (pno >= z->partno)
+ z->partno += 4;
+ return 1;
}
static void
read_partition_chain(char *dev, int interactive, struct part_desc *ep,
- struct disk_desc *z) {
- int i, base;
-
- eob = 0;
- while (1) {
- base = z->partno;
- if (base+4 > SIZE(z->partitions)) {
- printf("too many partitions\n");
- break;
- }
- for (i=0; i<4; i++)
- if (!read_partition(dev, interactive, base+i, ep, z))
- return;
- for (i=0; i<4; i++) {
- ep = &(z->partitions[base+i]);
- if (is_extended(ep->p.sys_type) && ep->size)
- break;
- }
- if (i == 4) {
- /* nothing found - maybe an empty partition is going
- to be extended */
- if (one_only || show_extended)
- break;
- ep = &(z->partitions[base+1]);
- if (ep->size || ep->p.sys_type != EMPTY_PARTITION)
- break;
- }
- }
+ struct disk_desc *z)
+{
+ int i, base;
+
+ eob = 0;
+ while (1) {
+ base = z->partno;
+ if (base + 4 > SIZE(z->partitions)) {
+ printf("too many partitions\n");
+ break;
+ }
+ for (i = 0; i < 4; i++)
+ if (!read_partition(dev, interactive, base + i, ep, z))
+ return;
+ for (i = 0; i < 4; i++) {
+ ep = &(z->partitions[base + i]);
+ if (is_extended(ep->p.sys_type) && ep->size)
+ break;
+ }
+ if (i == 4) {
+ /* nothing found - maybe an empty partition is going
+ to be extended */
+ if (one_only || show_extended)
+ break;
+ ep = &(z->partitions[base + 1]);
+ if (ep->size || ep->p.sys_type != EMPTY_PARTITION)
+ break;
+ }
+ }
}
-static void
-read_input(char *dev, int interactive, struct disk_desc *z) {
- int i;
- struct part_desc *partitions = &(z->partitions[0]), *ep;
-
- for (i=0; i < SIZE(z->partitions); i++)
- partitions[i] = zero_part_desc;
- z->partno = 0;
-
- if (interactive)
- warn("Input in the following format; absent fields get a default value.\n"
- "<start> <size> <type [E,S,L,X,hex]> <bootable [-,*]> <c,h,s> <c,h,s>\n"
- "Usually you only need to specify <start> and <size> (and perhaps <type>).\n");
- eof = 0;
-
- for (i=0; i<4; i++)
- read_partition(dev, interactive, i, 0, z);
- for (i=0; i<4; i++) {
- ep = partitions+i;
- if (is_extended(ep->p.sys_type) && ep->size)
- read_partition_chain(dev, interactive, ep, z);
- }
- add_sector_and_offset(z);
+static void read_input(char *dev, int interactive, struct disk_desc *z)
+{
+ int i;
+ struct part_desc *partitions = &(z->partitions[0]), *ep;
+
+ for (i = 0; i < SIZE(z->partitions); i++)
+ partitions[i] = zero_part_desc;
+ z->partno = 0;
+
+ if (interactive)
+ warn
+ ("Input in the following format; absent fields get a default value.\n"
+ "<start> <size> <type [E,S,L,X,hex]> <bootable [-,*]> <c,h,s> <c,h,s>\n"
+ "Usually you only need to specify <start> and <size> (and perhaps <type>).\n");
+ eof = 0;
+
+ for (i = 0; i < 4; i++)
+ read_partition(dev, interactive, i, 0, z);
+ for (i = 0; i < 4; i++) {
+ ep = partitions + i;
+ if (is_extended(ep->p.sys_type) && ep->size)
+ read_partition_chain(dev, interactive, ep, z);
+ }
+ add_sector_and_offset(z);
}
/*
* G. The command line
*/
-static void version(void) {
- printf("%s %s %s (aeb@cwi.nl, %s)\n", PROGNAME, "version", VERSION, DATE);
+static void version(void)
+{
+ printf("%s %s %s (aeb@cwi.nl, %s)\n", PROGNAME, "version", VERSION,
+ DATE);
}
static char short_opts[] = "cdfgilnqsu:vx?1A::C:DH:I:LN:O:RS:TU::V";
#define CHANGE_ID 01000
static const struct option long_opts[] = {
- { "change-id", no_argument, NULL, 'c' + CHANGE_ID },
- { "print-id", no_argument, NULL, 'c' + PRINT_ID },
- { "id", no_argument, NULL, 'c' },
- { "dump", no_argument, NULL, 'd' },
- { "force", no_argument, NULL, 'f' },
- { "show-geometry", no_argument, NULL, 'g' },
- { "increment", no_argument, NULL, 'i' },
- { "list", no_argument, NULL, 'l' },
- { "quiet", no_argument, NULL, 'q' },
- { "show-size", no_argument, NULL, 's' },
- { "unit", required_argument, NULL, 'u' },
- { "version", no_argument, NULL, 'v' },
- { "show-extended", no_argument, NULL, 'x' },
- { "help", no_argument, NULL, '?' },
- { "one-only", no_argument, NULL, '1' },
- { "cylinders", required_argument, NULL, 'C' },
- { "heads", required_argument, NULL, 'H' },
- { "sectors", required_argument, NULL, 'S' },
- { "activate", optional_argument, NULL, 'A' },
- { "DOS", no_argument, NULL, 'D' },
- { "Linux", no_argument, NULL, 'L' },
- { "re-read", no_argument, NULL, 'R' },
- { "list-types", no_argument, NULL, 'T' },
- { "unhide", optional_argument, NULL, 'U' },
- { "no-reread", no_argument, NULL, 160 },
- { "IBM", no_argument, NULL, 161 },
- { "leave-last", no_argument, NULL, 161 },
+ {"change-id", no_argument, NULL, 'c' + CHANGE_ID},
+ {"print-id", no_argument, NULL, 'c' + PRINT_ID},
+ {"id", no_argument, NULL, 'c'},
+ {"dump", no_argument, NULL, 'd'},
+ {"force", no_argument, NULL, 'f'},
+ {"show-geometry", no_argument, NULL, 'g'},
+ {"increment", no_argument, NULL, 'i'},
+ {"list", no_argument, NULL, 'l'},
+ {"quiet", no_argument, NULL, 'q'},
+ {"show-size", no_argument, NULL, 's'},
+ {"unit", required_argument, NULL, 'u'},
+ {"version", no_argument, NULL, 'v'},
+ {"show-extended", no_argument, NULL, 'x'},
+ {"help", no_argument, NULL, '?'},
+ {"one-only", no_argument, NULL, '1'},
+ {"cylinders", required_argument, NULL, 'C'},
+ {"heads", required_argument, NULL, 'H'},
+ {"sectors", required_argument, NULL, 'S'},
+ {"activate", optional_argument, NULL, 'A'},
+ {"DOS", no_argument, NULL, 'D'},
+ {"Linux", no_argument, NULL, 'L'},
+ {"re-read", no_argument, NULL, 'R'},
+ {"list-types", no_argument, NULL, 'T'},
+ {"unhide", optional_argument, NULL, 'U'},
+ {"no-reread", no_argument, NULL, 160},
+ {"IBM", no_argument, NULL, 161},
+ {"leave-last", no_argument, NULL, 161},
/* undocumented flags - not all completely implemented */
- { "in-order", no_argument, NULL, 128 },
- { "not-in-order", no_argument, NULL, 129 },
- { "inside-outer", no_argument, NULL, 130 },
- { "not-inside-outer", no_argument, NULL, 131 },
- { "nested", no_argument, NULL, 132 },
- { "chained", no_argument, NULL, 133 },
- { "onesector", no_argument, NULL, 134 },
- { NULL, 0, NULL, 0 }
+ {"in-order", no_argument, NULL, 128},
+ {"not-in-order", no_argument, NULL, 129},
+ {"inside-outer", no_argument, NULL, 130},
+ {"not-inside-outer", no_argument, NULL, 131},
+ {"nested", no_argument, NULL, 132},
+ {"chained", no_argument, NULL, 133},
+ {"onesector", no_argument, NULL, 134},
+ {NULL, 0, NULL, 0}
};
/* default devices to list */
static struct devd {
- char *pref, *letters;
+ char *pref, *letters;
} defdevs[] = {
- { "hd", "abcdefgh" },
- { "sd", "abcde" },
- { "xd", "ab" },
- { "ed", "abcd" }
+ {
+ "hd", "abcdefgh"}, {
+ "sd", "abcde"}, {
+ "xd", "ab"}, {
+ "ed", "abcd"}
};
-static int
-is_ide_cdrom(char *device) {
- /* No device was given explicitly, and we are trying some
- likely things. But opening /dev/hdc may produce errors like
- "hdc: tray open or drive not ready"
- if it happens to be a CD-ROM drive. So try to be careful.
- This only works since 2.1.73. */
+static int is_ide_cdrom(char *device)
+{
+ /* No device was given explicitly, and we are trying some
+ likely things. But opening /dev/hdc may produce errors like
+ "hdc: tray open or drive not ready"
+ if it happens to be a CD-ROM drive. So try to be careful.
+ This only works since 2.1.73. */
- FILE *procf;
- char buf[100];
- struct stat statbuf;
+ FILE *procf;
+ char buf[100];
+ struct stat statbuf;
- sprintf(buf, "/proc/ide/%s/media", device+5);
- procf = fopen(buf, "r");
- if (procf != NULL && fgets(buf, sizeof(buf), procf))
- return !strncmp(buf, "cdrom", 5);
+ sprintf(buf, "/proc/ide/%s/media", device + 5);
+ procf = fopen(buf, "r");
+ if (procf != NULL && fgets(buf, sizeof(buf), procf))
+ return !strncmp(buf, "cdrom", 5);
- /* Now when this proc file does not exist, skip the
- device when it is read-only. */
- if (stat(device, &statbuf) == 0)
- return (statbuf.st_mode & 0222) == 0;
+ /* Now when this proc file does not exist, skip the
+ device when it is read-only. */
+ if (stat(device, &statbuf) == 0)
+ return (statbuf.st_mode & 0222) == 0;
- return 0;
+ return 0;
}
static void do_list(char *dev, int silent);
static int total_size;
-extern int
-sfdisk_main(int argc, char **argv) {
- int c;
- char *dev;
- int opt_size = 0;
- int opt_out_geom = 0;
- int opt_reread = 0;
- int activate = 0;
- int do_id = 0;
- int unhide = 0;
- char *activatearg = 0;
- char *unhidearg = 0;
-
- if (argc < 1)
- usage( sfdisk_usage);
-
- while ((c = getopt_long (argc, argv, short_opts, long_opts, NULL)) != -1) {
- switch (c) {
- case 'f':
- force = 1; break; /* does not imply quiet */
- case 'g':
- opt_out_geom = 1; break;
- case 'i':
- increment = 1; break;
- case 'c':
- case 'c' + PRINT_ID:
- case 'c' + CHANGE_ID:
- do_id = c; break;
- case 'd':
- dump = 1; /* fall through */
- case 'l':
- opt_list = 1; break;
- case 'n':
- no_write = 1; break;
- case 'q':
- quiet = 1; break;
- case 's':
- opt_size = 1; break;
- case 'u':
- set_format(*optarg); break;
- case 'v':
- version();
- exit(0);
- case 'x':
- show_extended = 1; break;
- case 'A':
- activatearg = optarg;
- activate = 1; break;
- case 'C':
- U.cylinders = atoi(optarg); break;
- case 'D':
- DOS = 1; break;
- case 'H':
- U.heads = atoi(optarg); break;
- case 'L':
- Linux = 1; break;
- case 'N':
- one_only = atoi(optarg); break;
- case 'I':
- restore_sector_file = optarg; break;
- case 'O':
- save_sector_file = optarg; break;
- case 'R':
- opt_reread = 1; break;
- case 'S':
- U.sectors = atoi(optarg); break;
- case 'T':
- list_types();
- exit(0);
- case 'U':
- unhidearg = optarg;
- unhide = 1; break;
- case 'V':
- verify = 1; break;
- case '?':
- default:
- usage( sfdisk_usage);
-
- /* undocumented flags */
- case 128:
- partitions_in_order = 1; break;
- case 129:
- partitions_in_order = 0; break;
- case 130:
- all_logicals_inside_outermost_extended = 1; break;
- case 131:
- all_logicals_inside_outermost_extended = 0; break;
- case 132:
- boxes = NESTED; break;
- case 133:
- boxes = CHAINED; break;
- case 134:
- boxes = ONESECTOR; break;
-
- /* more flags */
- case 160:
- no_reread = 1; break;
- case 161:
- leave_last = 1; break;
- }
- }
-
- if (optind == argc && (opt_list || opt_out_geom || opt_size || verify)) {
- struct devd *dp;
- char *lp;
- char device[10];
-
- total_size = 0;
-
- for(dp = defdevs; dp-defdevs < SIZE(defdevs); dp++) {
- lp = dp->letters;
- while(*lp) {
- sprintf(device, "/dev/%s%c", dp->pref, *lp++);
- if (!strcmp(dp->pref, "hd") && is_ide_cdrom(device))
- continue;
- if (opt_out_geom)
- do_geom(device, 1);
- if (opt_size)
- do_size(device, 1);
- if (opt_list || verify)
- do_list(device, 1);
- }
+extern int sfdisk_main(int argc, char **argv)
+{
+ int c;
+ char *dev;
+ int opt_size = 0;
+ int opt_out_geom = 0;
+ int opt_reread = 0;
+ int activate = 0;
+ int do_id = 0;
+ int unhide = 0;
+ char *activatearg = 0;
+ char *unhidearg = 0;
+
+ if (argc < 1)
+ usage(sfdisk_usage);
+
+ while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) !=
+ -1) {
+ switch (c) {
+ case 'f':
+ force = 1;
+ break; /* does not imply quiet */
+ case 'g':
+ opt_out_geom = 1;
+ break;
+ case 'i':
+ increment = 1;
+ break;
+ case 'c':
+ case 'c' + PRINT_ID:
+ case 'c' + CHANGE_ID:
+ do_id = c;
+ break;
+ case 'd':
+ dump = 1; /* fall through */
+ case 'l':
+ opt_list = 1;
+ break;
+ case 'n':
+ no_write = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 's':
+ opt_size = 1;
+ break;
+ case 'u':
+ set_format(*optarg);
+ break;
+ case 'v':
+ version();
+ exit(0);
+ case 'x':
+ show_extended = 1;
+ break;
+ case 'A':
+ activatearg = optarg;
+ activate = 1;
+ break;
+ case 'C':
+ U.cylinders = atoi(optarg);
+ break;
+ case 'D':
+ DOS = 1;
+ break;
+ case 'H':
+ U.heads = atoi(optarg);
+ break;
+ case 'L':
+ Linux = 1;
+ break;
+ case 'N':
+ one_only = atoi(optarg);
+ break;
+ case 'I':
+ restore_sector_file = optarg;
+ break;
+ case 'O':
+ save_sector_file = optarg;
+ break;
+ case 'R':
+ opt_reread = 1;
+ break;
+ case 'S':
+ U.sectors = atoi(optarg);
+ break;
+ case 'T':
+ list_types();
+ exit(0);
+ case 'U':
+ unhidearg = optarg;
+ unhide = 1;
+ break;
+ case 'V':
+ verify = 1;
+ break;
+ case '?':
+ default:
+ usage(sfdisk_usage);
+
+ /* undocumented flags */
+ case 128:
+ partitions_in_order = 1;
+ break;
+ case 129:
+ partitions_in_order = 0;
+ break;
+ case 130:
+ all_logicals_inside_outermost_extended = 1;
+ break;
+ case 131:
+ all_logicals_inside_outermost_extended = 0;
+ break;
+ case 132:
+ boxes = NESTED;
+ break;
+ case 133:
+ boxes = CHAINED;
+ break;
+ case 134:
+ boxes = ONESECTOR;
+ break;
+
+ /* more flags */
+ case 160:
+ no_reread = 1;
+ break;
+ case 161:
+ leave_last = 1;
+ break;
+ }
}
- if (opt_size)
- printf("total: %d blocks\n", total_size);
+ if (optind == argc && (opt_list || opt_out_geom || opt_size || verify)) {
+ struct devd *dp;
+ char *lp;
+ char device[10];
+
+ total_size = 0;
+
+ for (dp = defdevs; dp - defdevs < SIZE(defdevs); dp++) {
+ lp = dp->letters;
+ while (*lp) {
+ sprintf(device, "/dev/%s%c", dp->pref, *lp++);
+ if (!strcmp(dp->pref, "hd") && is_ide_cdrom(device))
+ continue;
+ if (opt_out_geom)
+ do_geom(device, 1);
+ if (opt_size)
+ do_size(device, 1);
+ if (opt_list || verify)
+ do_list(device, 1);
+ }
+ }
+
+ if (opt_size)
+ printf("total: %d blocks\n", total_size);
- exit(exit_status);
- }
+ exit(exit_status);
+ }
- if (optind == argc) usage( sfdisk_usage);
+ if (optind == argc)
+ usage(sfdisk_usage);
+
+ if (opt_list || opt_out_geom || opt_size || verify) {
+ while (optind < argc) {
+ if (opt_out_geom)
+ do_geom(argv[optind], 0);
+ if (opt_size)
+ do_size(argv[optind], 0);
+ if (opt_list || verify)
+ do_list(argv[optind], 0);
+ optind++;
+ }
+ exit(exit_status);
+ }
- if (opt_list || opt_out_geom || opt_size || verify) {
- while (optind < argc) {
- if (opt_out_geom)
- do_geom(argv[optind], 0);
- if (opt_size)
- do_size(argv[optind], 0);
- if (opt_list || verify)
- do_list(argv[optind], 0);
- optind++;
+ if (activate) {
+ do_activate(argv + optind, argc - optind, activatearg);
+ exit(exit_status);
+ }
+ if (unhide) {
+ do_unhide(argv + optind, argc - optind, unhidearg);
+ exit(exit_status);
+ }
+ if (do_id) {
+ if ((do_id & PRINT_ID) != 0 && optind != argc - 2)
+ fatalError("usage: sfdisk --print-id device partition-number\n");
+ else if ((do_id & CHANGE_ID) != 0 && optind != argc - 3)
+ fatalError
+ ("usage: sfdisk --change-id device partition-number Id\n");
+ else if (optind != argc - 3 && optind != argc - 2)
+ fatalError("usage: sfdisk --id device partition-number [Id]\n");
+ do_change_id(argv[optind], argv[optind + 1],
+ (optind == argc - 2) ? 0 : argv[optind + 2]);
+ exit(exit_status);
}
- exit(exit_status);
- }
- if (activate) {
- do_activate(argv+optind, argc-optind, activatearg);
- exit(exit_status);
- }
- if (unhide) {
- do_unhide(argv+optind, argc-optind, unhidearg);
- exit(exit_status);
- }
- if (do_id) {
- if ((do_id & PRINT_ID) != 0 && optind != argc-2)
- fatal("usage: sfdisk --print-id device partition-number\n");
- else if ((do_id & CHANGE_ID) != 0 && optind != argc-3)
- fatal("usage: sfdisk --change-id device partition-number Id\n");
- else if (optind != argc-3 && optind != argc-2)
- fatal("usage: sfdisk --id device partition-number [Id]\n");
- do_change_id(argv[optind], argv[optind+1],
- (optind == argc-2) ? 0 : argv[optind+2]);
- exit(exit_status);
- }
-
- if (optind != argc-1)
- fatal("can specify only one device (except with -l or -s)\n");
- dev = argv[optind];
+ if (optind != argc - 1)
+ fatalError("can specify only one device (except with -l or -s)\n");
+ dev = argv[optind];
- if (opt_reread)
- do_reread(dev);
- else if (restore_sector_file)
- restore_sectors(dev);
- else
- do_fdisk(dev);
+ if (opt_reread)
+ do_reread(dev);
+ else if (restore_sector_file)
+ restore_sectors(dev);
+ else
+ do_fdisk(dev);
- return ( TRUE);
+ return (TRUE);
}
/*
* H. Listing the current situation
*/
-static int
-my_open (char *dev, int rw, int silent) {
- int fd, mode;
+static int my_open(char *dev, int rw, int silent)
+{
+ int fd, mode;
- mode = (rw ? O_RDWR : O_RDONLY);
- fd = open(dev, mode);
- if (fd < 0 && !silent) {
- perror(dev);
- fatal("cannot open %s %s\n", dev, rw ? "read-write" : "for reading");
- }
- return fd;
+ mode = (rw ? O_RDWR : O_RDONLY);
+ fd = open(dev, mode);
+ if (fd < 0 && !silent) {
+ perror(dev);
+ fatalError("cannot open %s %s\n", dev,
+ rw ? "read-write" : "for reading");
+ }
+ return fd;
}
-static void
-do_list (char *dev, int silent) {
- int fd;
- struct disk_desc *z;
+static void do_list(char *dev, int silent)
+{
+ int fd;
+ struct disk_desc *z;
- fd = my_open(dev, 0, silent);
- if (fd < 0)
- return;
+ fd = my_open(dev, 0, silent);
+ if (fd < 0)
+ return;
- z = &oldp;
+ z = &oldp;
- free_sectors();
- get_cylindersize(dev, fd, dump ? 1 : opt_list ? 0 : 1);
- get_partitions(dev, fd, z);
+ free_sectors();
+ get_cylindersize(dev, fd, dump ? 1 : opt_list ? 0 : 1);
+ get_partitions(dev, fd, z);
- if (opt_list)
- out_partitions(dev, z);
+ if (opt_list)
+ out_partitions(dev, z);
- if (verify) {
- if (partitions_ok(z))
- warn("%s: OK\n"), dev;
- else
- exit_status = 1;
- }
+ if (verify) {
+ if (partitions_ok(z))
+ warn("%s: OK\n", dev);
+ else
+ exit_status = 1;
+ }
}
-static void
-do_geom (char *dev, int silent) {
- int fd;
- struct hd_geometry g;
+static void do_geom(char *dev, int silent)
+{
+ int fd;
+ struct hd_geometry g;
- fd = my_open(dev, 0, silent);
- if (fd < 0)
- return;
+ fd = my_open(dev, 0, silent);
+ if (fd < 0)
+ return;
- /* get_cylindersize(dev, fd, silent); */
- if (!ioctl(fd, HDIO_GETGEO, &g))
- printf("%s: %d cylinders, %d heads, %d sectors/track\n",
- dev, g.cylinders, g.heads, g.sectors);
- else
- printf("%s: unknown geometry\n", dev);
+ /* get_cylindersize(dev, fd, silent); */
+ if (!ioctl(fd, HDIO_GETGEO, &g))
+ printf("%s: %d cylinders, %d heads, %d sectors/track\n",
+ dev, g.cylinders, g.heads, g.sectors);
+ else
+ printf("%s: unknown geometry\n", dev);
}
/* for compatibility with earlier fdisk: provide option -s */
-static void
-do_size (char *dev, int silent) {
- int fd;
- long size;
+static void do_size(char *dev, int silent)
+{
+ int fd;
+ long size;
- fd = my_open(dev, 0, silent);
- if (fd < 0)
- return;
+ fd = my_open(dev, 0, silent);
+ if (fd < 0)
+ return;
- if(ioctl(fd, BLKGETSIZE, &size)) {
- if(!silent) {
- perror(dev);
- fatal("BLKGETSIZE ioctl failed for %s\n"), dev;
+ if (ioctl(fd, BLKGETSIZE, &size)) {
+ if (!silent) {
+ perror(dev);
+ fatalError("BLKGETSIZE ioctl failed for %s\n", dev);
+ }
+ return;
}
- return;
- }
- size /= 2; /* convert sectors to blocks */
+ size /= 2; /* convert sectors to blocks */
- /* a CDROM drive without mounted CD yields MAXINT */
- if (silent && size == ((1<<30)-1))
- return;
+ /* a CDROM drive without mounted CD yields MAXINT */
+ if (silent && size == ((1 << 30) - 1))
+ return;
- if (silent)
- printf("%s: %9ld\n", dev, size);
- else
- printf("%ld\n", size);
+ if (silent)
+ printf("%s: %9ld\n", dev, size);
+ else
+ printf("%ld\n", size);
- total_size += size;
+ total_size += size;
}
/*
* The present syntax was chosen to be (somewhat) compatible with the
* activate from the LILO package.
*/
-static void
-set_active (struct disk_desc *z, char *pnam) {
- int pno;
-
- pno = asc_to_index(pnam, z);
- z->partitions[pno].p.bootable = 0x80;
-}
-
-static void
-do_activate (char **av, int ac, char *arg) {
- char *dev = av[0];
- int fd;
- int rw, i, pno, lpno;
- struct disk_desc *z;
-
- z = &oldp;
-
- rw = (!no_write && (arg || ac > 1));
- fd = my_open(dev, rw, 0);
-
- free_sectors();
- get_cylindersize(dev, fd, 1);
- get_partitions(dev, fd, z);
-
- if (!arg && ac == 1) {
- /* list active partitions */
- for (pno=0; pno < z->partno; pno++) {
- if (z->partitions[pno].p.bootable) {
- lpno = index_to_linux(pno, z);
- if (pno == linux_to_index(lpno, z))
- printf("%s%d\n", dev, lpno);
+static void set_active(struct disk_desc *z, char *pnam)
+{
+ int pno;
+
+ pno = asc_to_index(pnam, z);
+ z->partitions[pno].p.bootable = 0x80;
+}
+
+static void do_activate(char **av, int ac, char *arg)
+{
+ char *dev = av[0];
+ int fd;
+ int rw, i, pno, lpno;
+ struct disk_desc *z;
+
+ z = &oldp;
+
+ rw = (!no_write && (arg || ac > 1));
+ fd = my_open(dev, rw, 0);
+
+ free_sectors();
+ get_cylindersize(dev, fd, 1);
+ get_partitions(dev, fd, z);
+
+ if (!arg && ac == 1) {
+ /* list active partitions */
+ for (pno = 0; pno < z->partno; pno++) {
+ if (z->partitions[pno].p.bootable) {
+ lpno = index_to_linux(pno, z);
+ if (pno == linux_to_index(lpno, z))
+ printf("%s%d\n", dev, lpno);
+ else
+ printf("%s#%d\n", dev, pno);
+ if (z->partitions[pno].p.bootable != 0x80)
+ warn("bad active byte: 0x%x instead of 0x80\n",
+ z->partitions[pno].p.bootable);
+ }
+ }
+ } else {
+ /* clear `active byte' everywhere */
+ for (pno = 0; pno < z->partno; pno++)
+ z->partitions[pno].p.bootable = 0;
+
+ /* then set where desired */
+ if (ac == 1)
+ set_active(z, arg);
else
- printf("%s#%d\n", dev, pno);
- if (z->partitions[pno].p.bootable != 0x80)
- warn("bad active byte: 0x%x instead of 0x80\n",
- z->partitions[pno].p.bootable);
- }
- }
- } else {
- /* clear `active byte' everywhere */
- for (pno=0; pno < z->partno; pno++)
- z->partitions[pno].p.bootable = 0;
-
- /* then set where desired */
- if (ac == 1)
- set_active(z, arg);
- else for(i=1; i<ac; i++)
- set_active(z, av[i]);
+ for (i = 1; i < ac; i++)
+ set_active(z, av[i]);
- /* then write to disk */
- if(write_partitions(dev, fd, z))
- warn("Done\n\n");
+ /* then write to disk */
+ if (write_partitions(dev, fd, z))
+ warn("Done\n\n");
+ else
+ exit_status = 1;
+ }
+ i = 0;
+ for (pno = 0; pno < z->partno && pno < 4; pno++)
+ if (z->partitions[pno].p.bootable)
+ i++;
+ if (i != 1)
+ warn
+ ("You have %d active primary partitions. This does not matter for LILO,\n"
+ "but the DOS MBR will only boot a disk with 1 active partition.\n",
+ i);
+}
+
+static void set_unhidden(struct disk_desc *z, char *pnam)
+{
+ int pno;
+ unsigned char id;
+
+ pno = asc_to_index(pnam, z);
+ id = z->partitions[pno].p.sys_type;
+ if (id == 0x11 || id == 0x14 || id == 0x16 || id == 0x17)
+ id -= 0x10;
else
- exit_status = 1;
- }
- i = 0;
- for (pno=0; pno < z->partno && pno < 4; pno++)
- if (z->partitions[pno].p.bootable)
- i++;
- if (i != 1)
- warn("You have %d active primary partitions. This does not matter for LILO,\n"
- "but the DOS MBR will only boot a disk with 1 active partition.\n", i);
-}
-
-static void
-set_unhidden (struct disk_desc *z, char *pnam) {
- int pno;
- unsigned char id;
-
- pno = asc_to_index(pnam, z);
- id = z->partitions[pno].p.sys_type;
- if (id == 0x11 || id == 0x14 || id == 0x16 || id == 0x17)
- id -= 0x10;
- else
- fatal("partition %s has id %x and is not hidden\n", pnam, id);
- z->partitions[pno].p.sys_type = id;
+ fatalError("partition %s has id %x and is not hidden\n", pnam, id);
+ z->partitions[pno].p.sys_type = id;
}
/*
* maybe remove and make part of --change-id
*/
-static void
-do_unhide (char **av, int ac, char *arg) {
- char *dev = av[0];
- int fd, rw, i;
- struct disk_desc *z;
+static void do_unhide(char **av, int ac, char *arg)
+{
+ char *dev = av[0];
+ int fd, rw, i;
+ struct disk_desc *z;
- z = &oldp;
+ z = &oldp;
- rw = !no_write;
- fd = my_open(dev, rw, 0);
+ rw = !no_write;
+ fd = my_open(dev, rw, 0);
- free_sectors();
- get_cylindersize(dev, fd, 1);
- get_partitions(dev, fd, z);
+ free_sectors();
+ get_cylindersize(dev, fd, 1);
+ get_partitions(dev, fd, z);
- /* unhide where desired */
- if (ac == 1)
- set_unhidden(z, arg);
- else for(i=1; i<ac; i++)
- set_unhidden(z, av[i]);
+ /* unhide where desired */
+ if (ac == 1)
+ set_unhidden(z, arg);
+ else
+ for (i = 1; i < ac; i++)
+ set_unhidden(z, av[i]);
- /* then write to disk */
- if(write_partitions(dev, fd, z))
- warn("Done\n\n");
- else
- exit_status = 1;
+ /* then write to disk */
+ if (write_partitions(dev, fd, z))
+ warn("Done\n\n");
+ else
+ exit_status = 1;
}
-static void do_change_id(char *dev, char *pnam, char *id) {
- int fd, rw, pno;
- struct disk_desc *z;
- unsigned long i;
+static void do_change_id(char *dev, char *pnam, char *id)
+{
+ int fd, rw, pno;
+ struct disk_desc *z;
+ unsigned long i;
- z = &oldp;
+ z = &oldp;
- rw = !no_write;
- fd = my_open(dev, rw, 0);
+ rw = !no_write;
+ fd = my_open(dev, rw, 0);
- free_sectors();
- get_cylindersize(dev, fd, 1);
- get_partitions(dev, fd, z);
+ free_sectors();
+ get_cylindersize(dev, fd, 1);
+ get_partitions(dev, fd, z);
- pno = asc_to_index(pnam, z);
- if (id == 0) {
- printf("%x\n", z->partitions[pno].p.sys_type);
- return;
- }
- i = strtoul(id, NULL, 16);
- if (i > 255)
- fatal("Bad Id %x\n"), i;
- z->partitions[pno].p.sys_type = i;
+ pno = asc_to_index(pnam, z);
+ if (id == 0) {
+ printf("%x\n", z->partitions[pno].p.sys_type);
+ return;
+ }
+ i = strtoul(id, NULL, 16);
+ if (i > 255)
+ fatalError("Bad Id %lx\n", i);
+ z->partitions[pno].p.sys_type = i;
- if(write_partitions(dev, fd, z))
- warn("Done\n\n");
- else
- exit_status = 1;
+ if (write_partitions(dev, fd, z))
+ warn("Done\n\n");
+ else
+ exit_status = 1;
}
-static void
-do_reread(char *dev) {
- int fd;
+static void do_reread(char *dev)
+{
+ int fd;
- fd = my_open(dev, 0, 0);
- if(reread_ioctl(fd))
- printf("This disk is currently in use.\n");
+ fd = my_open(dev, 0, 0);
+ if (reread_ioctl(fd))
+ printf("This disk is currently in use.\n");
}
/*
* I. Writing the new situation
*/
-static void
-do_fdisk(char *dev){
- int fd;
- int c, answer;
- struct stat statbuf;
- int interactive = isatty(0);
- struct disk_desc *z;
-
- if (stat(dev, &statbuf) < 0) {
- perror(dev);
- fatal("Fatal error: cannot find %s\n"), dev;
- }
- if (!S_ISBLK(statbuf.st_mode)) {
- warn("Warning: %s is not a block device\n"), dev;
- no_reread = 1;
- }
- fd = my_open(dev, !no_write, 0);
-
- if(!no_write && !no_reread) {
- warn("Checking that no-one is using this disk right now ...\n");
- if(reread_ioctl(fd)) {
- printf("\nThis disk is currently in use - repartitioning is probably a bad idea."
- "Umount all file systems, and swapoff all swap partitions on this disk."
- "Use the --no-reread flag to suppress this check.\n");
- if (!force) {
- printf("Use the --force flag to overrule all checks.\n");
- exit(1);
- }
- } else
- warn("OK");
- }
+static void do_fdisk(char *dev)
+{
+ int fd;
+ int c, answer;
+ struct stat statbuf;
+ int interactive = isatty(0);
+ struct disk_desc *z;
+
+ if (stat(dev, &statbuf) < 0) {
+ perror(dev);
+ fatalError("Fatal error: cannot find %s\n", dev);
+ }
+ if (!S_ISBLK(statbuf.st_mode)) {
+ warn("Warning: %s is not a block device\n", dev);
+ no_reread = 1;
+ }
+ fd = my_open(dev, !no_write, 0);
+
+ if (!no_write && !no_reread) {
+ warn("Checking that no-one is using this disk right now ...\n");
+ if (reread_ioctl(fd)) {
+ printf
+ ("\nThis disk is currently in use - repartitioning is probably a bad idea."
+ "Umount all file systems, and swapoff all swap partitions on this disk."
+ "Use the --no-reread flag to suppress this check.\n");
+ if (!force) {
+ printf("Use the --force flag to overrule all checks.\n");
+ exit(1);
+ }
+ } else
+ warn("OK");
+ }
- z = &oldp;
+ z = &oldp;
- free_sectors();
- get_cylindersize(dev, fd, 0);
- get_partitions(dev, fd, z);
+ free_sectors();
+ get_cylindersize(dev, fd, 0);
+ get_partitions(dev, fd, z);
- printf("Old situation:\n");
- out_partitions(dev, z);
+ printf("Old situation:\n");
+ out_partitions(dev, z);
- if (one_only && (one_only_pno = linux_to_index(one_only, z)) < 0)
- fatal("Partition %d does not exist, cannot change it\n"), one_only;
+ if (one_only && (one_only_pno = linux_to_index(one_only, z)) < 0)
+ fatalError("Partition %d does not exist, cannot change it\n", one_only);
- z = &newp;
+ z = &newp;
- while(1) {
+ while (1) {
- read_input(dev, interactive, z);
+ read_input(dev, interactive, z);
- printf("New situation:\n");
- out_partitions(dev, z);
+ printf("New situation:\n");
+ out_partitions(dev, z);
- if (!partitions_ok(z) && !force) {
- if(!interactive)
- fatal("I don't like these partitions - nothing changed.\n"
- "(If you really want this, use the --force option.)\n");
- else
- printf("I don't like this - probably you should answer No\n");
+ if (!partitions_ok(z) && !force) {
+ if (!interactive)
+ fatalError("I don't like these partitions - nothing changed.\n"
+ "(If you really want this, use the --force option.)\n");
+ else
+ printf
+ ("I don't like this - probably you should answer No\n");
+ }
+ ask:
+ if (interactive) {
+ if (no_write)
+ printf("Are you satisfied with this? [ynq] ");
+ else
+ printf("Do you want to write this to disk? [ynq] ");
+ answer = c = getchar();
+ while (c != '\n' && c != EOF)
+ c = getchar();
+ if (c == EOF)
+ printf("\nsfdisk: premature end of input\n");
+ if (c == EOF || answer == 'q' || answer == 'Q') {
+ fatalError("Quitting - nothing changed\n");
+ } else if (answer == 'n' || answer == 'N') {
+ continue;
+ } else if (answer == 'y' || answer == 'Y') {
+ break;
+ } else {
+ printf("Please answer one of y,n,q\n");
+ goto ask;
+ }
+ } else
+ break;
}
- ask:
- if (interactive) {
- if (no_write)
- printf("Are you satisfied with this? [ynq] ");
- else
- printf("Do you want to write this to disk? [ynq] ");
- answer = c = getchar();
- while (c != '\n' && c != EOF)
- c = getchar();
- if (c == EOF)
- printf("\nsfdisk: premature end of input\n");
- if (c == EOF || answer == 'q' || answer == 'Q') {
- fatal("Quitting - nothing changed\n");
- } else if (answer == 'n' || answer == 'N') {
- continue;
- } else if (answer == 'y' || answer == 'Y') {
- break;
- } else {
- printf("Please answer one of y,n,q\n");
- goto ask;
- }
- } else
- break;
- }
-
- if(write_partitions(dev, fd, z))
- printf("Successfully wrote the new partition table\n\n");
- else
- exit_status = 1;
-
- reread_disk_partition(dev, fd);
-
- warn("If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)\n"
- "to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1\n"
- "(See fdisk(8).)\n");
-
- sync(); /* superstition */
- sleep(3);
- exit(exit_status);
+
+ if (write_partitions(dev, fd, z))
+ printf("Successfully wrote the new partition table\n\n");
+ else
+ exit_status = 1;
+
+ reread_disk_partition(dev, fd);
+
+ warn
+ ("If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)\n"
+ "to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1\n"
+ "(See fdisk(8).)\n");
+
+ sync(); /* superstition */
+ sleep(3);
+ exit(exit_status);
}
projects / oweals / busybox.git / blobdiff