diff options
author | Karel Zak | 2014-09-02 18:57:27 +0200 |
---|---|---|
committer | Karel Zak | 2014-10-07 14:55:30 +0200 |
commit | 1881390de25df8587b8fc281c451796f7d032dd3 (patch) | |
tree | efc163c4b28d9a885a264f64e8fee8f461d3be7d | |
parent | tests: add sfdisk test (diff) | |
download | kernel-qcow2-util-linux-1881390de25df8587b8fc281c451796f7d032dd3.tar.gz kernel-qcow2-util-linux-1881390de25df8587b8fc281c451796f7d032dd3.tar.xz kernel-qcow2-util-linux-1881390de25df8587b8fc281c451796f7d032dd3.zip |
sfdisk: basic main() and friends
Signed-off-by: Karel Zak <kzak@redhat.com>
-rw-r--r-- | disk-utils/Makemodule.am | 16 | ||||
-rw-r--r-- | disk-utils/sfdisk.c | 3251 |
2 files changed, 79 insertions, 3188 deletions
diff --git a/disk-utils/Makemodule.am b/disk-utils/Makemodule.am index 3c4f8d78b..87035a3d3 100644 --- a/disk-utils/Makemodule.am +++ b/disk-utils/Makemodule.am @@ -164,13 +164,17 @@ if BUILD_SFDISK sbin_PROGRAMS += sfdisk dist_man_MANS += disk-utils/sfdisk.8 sfdisk_SOURCES = disk-utils/sfdisk.c -sfdisk_LDADD = $(LDADD) libcommon.la +sfdisk_LDADD = $(LDADD) libcommon.la libfdisk.la +sfdisk_CFLAGS = $(AM_CFLAGS) -I$(ul_libfdisk_incdir) -if HAVE_STATIC_SFDISK -sbin_PROGRAMS += sfdisk.static -sfdisk_static_SOURCES = $(sfdisk_SOURCES) -sfdisk_static_LDFLAGS = -all-static -sfdisk_static_LDADD = $(sfdisk_LDADD) +if BUILD_LIBUUID +sfdisk_CFLAGS += -I$(ul_libuuid_incdir) +sfdisk_LDADD += libuuid.la +endif + +if BUILD_LIBBLKID +sfdisk_CFLAGS += -I$(ul_libblkid_incdir) +sfdisk_LDADD += libblkid.la endif endif # BUILD_SFDISK diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c index 0e4e729d3..ef280317d 100644 --- a/disk-utils/sfdisk.c +++ b/disk-utils/sfdisk.c @@ -1,7 +1,6 @@ /* - * sfdisk version 3.0 - aeb - 950813 - * * Copyright (C) 1995 Andries E. Brouwer (aeb@cwi.nl) + * Copyright (C) 2014 Karel Zak <kzak@redhat.com> * * This program is free software. You can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -18,3226 +17,114 @@ * to allow a partition to cross cylinder 8064, and to write an * extended partition past the 4GB mark. * - * The current program is a rewrite from scratch, and I started a - * version numbering at 3.0. - * Andries Brouwer, aeb@cwi.nl, 950813 - * - * Well, a good user interface is still lacking. On the other hand, - * many configurations cannot be handled by any other fdisk. - * I changed the name to sfdisk to prevent confusion. - aeb, 970501 + * Karel Zak wrote new sfdisk based on libfdisk from util-linux + * in 2014. */ +#include <unistd.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> /* strchr(), strrchr() */ +#include <stdlib.h> +#include <string.h> #include <ctype.h> +#include <errno.h> #include <getopt.h> -#include <sys/ioctl.h> #include <sys/stat.h> -#include <sys/utsname.h> -#include <limits.h> #include "c.h" -#include "nls.h" #include "xalloc.h" -#include "blkdev.h" -#include "linux_version.h" -#include "pathnames.h" -#include "canonicalize.h" -#include "rpmatch.h" -#include "closestream.h" +#include "nls.h" +#include "debug.h" #include "strutils.h" -#include "sysfs.h" - -struct systypes { - unsigned char type; - char *name; -}; - -static struct systypes i386_sys_types[] = { - #include "pt-mbr-partnames.h" -}; - -static char *partname(char *dev, int pno, int lth); - -/* - * Table of contents: - * A. About seeking - * B. About sectors - * C. About heads, sectors and cylinders - * D. About system Ids - * E. About partitions - * F. The standard input - * G. The command line - * H. Listing the current situation - * I. Writing the new situation - */ -int exit_status = 0; - -int force = 0; /* 1: do what I say, even if it is stupid ... */ -int quiet = 0; /* 1: suppress all warnings */ -/* IA-64 gcc spec file currently does -DLinux... */ -#undef Linux -int Linux = 0; /* 1: suppress warnings irrelevant for Linux */ -int DOS = 0; /* 1: shift extended partitions by #sectors, not 1 */ -int DOS_extended = 0; /* 1: use starting cylinder boundary of extd partn */ -int dump = 0; /* 1: list in a format suitable for later input */ -int verify = 0; /* 1: check that listed partition is reasonable */ -int no_write = 0; /* 1: do not actually write to disk */ -int no_reread = 0; /* 1: skip the BLKRRPART ioctl test at startup */ -int leave_last = 0; /* 1: don't allocate the last cylinder */ -int opt_list = 0; -char *save_sector_file = NULL; -char *restore_sector_file = NULL; - -/* - * A. About seeking - */ - -/* - * sseek: seek to specified sector - return 0 on failure - * - * Note: we use 512-byte sectors here, irrespective of the hardware ss. - */ - -static int -sseek(char *dev, int fd, unsigned long s) { - off_t in, out; - in = ((off_t) s << 9); - - if ((out = lseek(fd, in, SEEK_SET)) != in) { - warn(_("seek error on %s - cannot seek to %lu"), dev, s); - return 0; - } - - if (in != out) { - warnx(_("seek error: wanted 0x%08x%08x, got 0x%08x%08x"), - (unsigned int)(in >> 32), (unsigned int)(in & 0xffffffff), - (unsigned int)(out >> 32), (unsigned int)(out & 0xffffffff)); - return 0; - } - return 1; -} - -/* - * B. About sectors - */ - -/* - * We preserve all sectors read in a chain - some of these will - * have to be modified and written back. - */ -struct sector { - struct sector *next; - unsigned long long sectornumber; - int to_be_written; - char data[512]; -} *sectorhead; - -static void -free_sectors(void) { - struct sector *s; - - while (sectorhead) { - s = sectorhead; - sectorhead = s->next; - free(s); - } -} - -static struct sector * -get_sector(char *dev, int fd, unsigned long long sno) { - struct sector *s; - - for (s = sectorhead; s; s = s->next) - if (s->sectornumber == sno) - return s; - - if (!sseek(dev, fd, sno)) - return 0; - - s = xmalloc(sizeof(struct sector)); - - if (read(fd, s->data, sizeof(s->data)) != sizeof(s->data)) { - warn(_("read error on %s - cannot read sector %llu"), dev, sno); - free(s); - return 0; - } - - s->next = sectorhead; - sectorhead = s; - s->sectornumber = sno; - s->to_be_written = 0; - - return s; -} - -static int -msdos_signature(struct sector *s) { - unsigned char *data = (unsigned char *)s->data; - if (data[510] == 0x55 && data[511] == 0xaa) - return 1; - return 0; -} - -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)) { - warn(_("write error on %s - cannot write sector %llu"), - dev, s->sectornumber); - return 0; - } - s->to_be_written = 0; - } - return 1; -} - -static void -ulong_to_chars(unsigned long u, char *uu) { - int i; - - for (i = 0; i < 4; i++) { - uu[i] = (u & 0xff); - u >>= 8; - } -} - -static unsigned long -chars_to_ulong(unsigned char *uu) { - int i; - unsigned long u = 0; - - 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 = -1; - - fdout = open(save_sector_file, O_WRONLY | O_CREAT, 0444); - if (fdout < 0) { - warn(_("cannot open partition sector save file (%s)"), - save_sector_file); - goto err; - } - - for (s = sectorhead; s; s = s->next) - if (s->to_be_written) { - ulong_to_chars(s->sectornumber, ss); - if (!sseek(dev, fdin, s->sectornumber)) - goto err; - if (read(fdin, ss + 4, 512) != 512) { - warn(_("read error on %s - cannot read sector %llu"), - dev, s->sectornumber); - goto err; - } - if (write(fdout, ss, sizeof(ss)) != sizeof(ss)) { - warn(_("write error on %s"), save_sector_file); - goto err; - } - } - - if (close_fd(fdout) != 0) { - warn(_("write failed: %s"), save_sector_file); - return 0; - } - return 1; - - err: - if (fdout >= 0) - if (close_fd(fdout) != 0) - warn(_("write failed: %s"), save_sector_file); - return 0; -} - -static int reread_disk_partition(char *dev, int fd); - -static int -restore_sectors(char *dev) { - int fdin = -1, fdout = -1; - int ct; - struct stat statbuf; - char *ss0 = NULL, *ss; - unsigned long sno; - - if (stat(restore_sector_file, &statbuf) < 0) { - warn(_("cannot stat partition restore file (%s)"), - restore_sector_file); - goto err; - } - if (statbuf.st_size % 516) { - warnx(_("partition restore file has wrong size - not restoring")); - goto err; - } - - ss0 = xmalloc(statbuf.st_size); - ss = ss0; - - fdin = open(restore_sector_file, O_RDONLY); - if (fdin < 0) { - warn(_("cannot open partition restore file (%s)"), - restore_sector_file); - goto err; - } - if (read(fdin, ss, statbuf.st_size) != statbuf.st_size) { - warn(_("error reading %s"), restore_sector_file); - goto err; - } - - fdout = open(dev, O_WRONLY); - if (fdout < 0) { - warn(_("cannot open device %s for writing"), dev); - goto err; - } - - ct = statbuf.st_size / 516; - while (ct--) { - sno = chars_to_ulong((unsigned char *)ss); - if (!sseek(dev, fdout, sno)) - goto err; - if (write(fdout, ss + 4, 512) != 512) { - warn(_("error writing sector %lu on %s"), sno, dev); - goto err; - } - ss += 516; - } - free(ss0); - ss0 = NULL; - - if (!reread_disk_partition(dev, fdout)) /* closes fdout */ - goto err; - close(fdin); - if (close_fd(fdout) != 0) { - warnx(_("write failed: %s"), dev); - return 0; - } - return 1; - - err: - free(ss0); - if (fdin >= 0) - close(fdin); - if (fdout >= 0) - close(fdout); - - return 0; -} - -/* - * C. About heads, sectors and cylinders - */ - -/* - * <linux/hdreg.h> defines HDIO_GETGEO and - * struct hd_geometry { - * unsigned char heads; - * unsigned char sectors; - * unsigned short cylinders; - * unsigned long start; - * }; - * - * For large disks g.cylinders is truncated, so we use BLKGETSIZE. - */ - -/* - * We consider several geometries for a disk: - * B - the BIOS geometry, gotten from the kernel via HDIO_GETGEO - * F - the fdisk geometry - * U - the user-specified geometry - * - * 0 means unspecified / unknown - */ -struct geometry { - unsigned long long total_size; /* in sectors */ - unsigned long cylindersize; /* in sectors */ - unsigned long heads, sectors, cylinders; - unsigned long start; -} B, F, U; - -static struct geometry -get_geometry(char *dev, int fd, int silent) { - struct hd_geometry g; - unsigned long cyls; - unsigned long long sectors; - struct geometry R; - -#ifdef HDIO_GETGEO - if (ioctl(fd, HDIO_GETGEO, &g)) -#endif - { - g.heads = g.sectors = g.cylinders = g.start = 0; - if (!silent) - warnx(_("Disk %s: cannot get geometry"), dev); - } - - R.start = g.start; - R.heads = g.heads; - R.sectors = g.sectors; - R.cylindersize = R.heads * R.sectors; - R.cylinders = 0; - R.total_size = 0; - - if (blkdev_get_sectors(fd, §ors) == -1) { - /* maybe an ordinary file */ - struct stat s; - - if (fstat(fd, &s) == 0 && S_ISREG(s.st_mode)) - R.total_size = (s.st_size >> 9); - else if (!silent) - warnx(_("Disk %s: cannot get size"), dev); - } else - R.total_size = sectors; - - if (R.cylindersize && R.total_size) { - sectors /= R.cylindersize; - cyls = sectors; - if (cyls != sectors) - cyls = ~0; - R.cylinders = cyls; - } - - return R; -} - -static void -get_cylindersize(char *dev, int fd, int silent) { - struct geometry R; - - R = get_geometry(dev, fd, silent); - - B.heads = (U.heads ? U.heads : R.heads ? R.heads : 255); - B.sectors = (U.sectors ? U.sectors : R.sectors ? R.sectors : 63); - B.cylinders = (U.cylinders ? U.cylinders : R.cylinders); - - B.cylindersize = B.heads * B.sectors; - B.total_size = R.total_size; - - if (B.cylinders == 0 && B.cylindersize != 0) - B.cylinders = B.total_size / B.cylindersize; - - if (R.start && !force) { - warnx(_("Warning: start=%lu - 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]"), - R.start); - exit(EXIT_FAILURE); - } -#if 0 - if (R.heads && B.heads != R.heads) - warnx(_("Warning: HDIO_GETGEO says that there are %lu heads"), - R.heads); - if (R.sectors && B.sectors != R.sectors) - warnx(_("Warning: HDIO_GETGEO says that there are %lu sectors"), - R.sectors); - if (R.cylinders && B.cylinders != R.cylinders - && B.cylinders < 65536 && R.cylinders < 65536) - warnx(_("Warning: BLKGETSIZE/HDIO_GETGEO says that there are %lu cylinders"), - R.cylinders); -#endif - - if (B.sectors > 63) - warnx(_("Warning: unlikely number of sectors (%lu) - usually at most 63\n" - "This will give problems with all software that uses C/H/S addressing."), - 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; -} __attribute__ ((packed)) chs; /* has some c bits in s */ -chs zero_chs = { 0, 0, 0 }; - -typedef struct { - unsigned long h, s, c; -} longchs; -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; - return aa; - } else { - return zero_longchs; - } -} - -static chs -ulong_to_chs(unsigned long sno, struct geometry G) { - return longchs_to_chs(ulong_to_longchs(sno, G), G); -} - -#if 0 -static unsigned long -longchs_to_ulong(longchs aa, struct geometry G) { - return (aa.c * G.cylindersize + aa.h * G.sectors + aa.s - 1); -} - -static unsigned long -chs_to_ulong(chs a, struct geometry G) { - return longchs_to_ulong(chs_to_longchs(a), G); -} -#endif - -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) { - warnx(_("%s of partition %s has impossible value for head: " - "%lu (should be in 0-%lu)"), w, v, aa.h, B.heads - 1); - ret = 0; - } - if (B.sectors && (aa.s == 0 || aa.s > B.sectors)) { - warnx(_("%s of partition %s has impossible value for sector: " - "%lu (should be in 1-%lu)"), w, v, aa.s, B.sectors); - ret = 0; - } - if (B.cylinders && aa.c >= B.cylinders) { - warnx(_("%s of partition %s has impossible value for cylinders: " - "%lu (should be in 0-%lu)"), w, v, aa.c, B.cylinders - 1); - ret = 0; - } - return ret; -} - -/* - * D. About system Ids - */ - -#define EMPTY_PARTITION 0 -#define EXTENDED_PARTITION 5 -#define WIN98_EXTENDED 0x0f -#define DM6_AUX1PARTITION 0x51 -#define DM6_AUX3PARTITION 0x53 -#define DM6_PARTITION 0x54 -#define EZD_PARTITION 0x55 -#define LINUX_SWAP 0x82 -#define LINUX_NATIVE 0x83 -#define LINUX_EXTENDED 0x85 -#define BSD_PARTITION 0xa5 -#define NETBSD_PARTITION 0xa9 - -/* List of partition types */ - -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"); -} - -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)); -} - -static int -is_extended(unsigned char type) { - return (type == EXTENDED_PARTITION - || type == LINUX_EXTENDED || type == WIN98_EXTENDED); -} - -static int -is_bsd(unsigned char type) { - return (type == BSD_PARTITION || type == NETBSD_PARTITION); -} - -/* - * E. About partitions - */ - -/* 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 */ -} __attribute__ ((packed)); - -/* 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((unsigned char *)cp); - p->nr_sects = copy_to_int((unsigned char *)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 partition type, start sector and number of sectors. (However, - see also linux/drivers/scsi/fdomain.c.) - The only way partition type is used (in the kernel) is the comparison - for equality with EXTENDED_PARTITION (and these Disk Manager types). */ - -struct part_desc { - unsigned long long start; - unsigned long long size; - unsigned long 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; - -static 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; -} - -struct disk_desc { - struct part_desc partitions[512]; - 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; - - 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); - } -} - -/* tell the kernel to reread the partition tables */ -static int -reread_ioctl(int fd) { -#ifdef BLKRRPART - if (ioctl(fd, BLKRRPART)) -#else - errno = ENOSYS; -#endif - { - /* perror might change errno */ - int err = errno; - - warn("BLKRRPART"); - - /* 2.6.8 returns EIO for a zero table */ - if (err == EBUSY) - return -1; - } - return 0; -} - -/* reread after writing */ -static int -reread_disk_partition(char *dev, int fd) { - fflush(stdout); - sync(); - - if (is_blkdev(fd)) { - printf(_("Re-reading the partition table ...\n")); - if (reread_ioctl(fd) ) { - warnx(_("The command to re-read the partition table failed.\n" - "Run partprobe(8), kpartx(8) or reboot your system now,\n" - "before using mkfs")); - return 0; - } - } - - if (close_fd(fd) != 0) { - warn(_("Error closing %s"), dev); - return 0; - } - printf("\n"); - - return 1; -} - -/* 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 -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)) - errx(EXIT_FAILURE, _("%s: no such partition\n"), pnam); - return pno; -} - -/* - * List partitions - in terms of sectors, blocks or cylinders - */ -#define F_SECTOR 1 -#define F_BLOCK 2 -#define F_CYLINDER 3 -#define F_MEGABYTE 4 - -int default_format = F_MEGABYTE; -int specified_format = 0; -int show_extended = 0; -int one_only = 0; -int one_only_pno; -int increment = 0; - -static void -set_format(char c) { - switch (c) { - default: - warnx(_("unrecognized format - using sectors")); - /* fallthrough */ - 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; - /* fallthrough */ - case F_SECTOR: - return 1; - case F_BLOCK: - return 2; - case F_MEGABYTE: - return 2048; - } -} - -static unsigned long long -get_disksize(int format) { - if (B.total_size && leave_last) - /* don't use last cylinder (--leave-last option) */ - return (B.total_size - B.cylindersize) / unitsize(format); - - return B.total_size / 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: - warnx(_("unimplemented format - using %s"), - G.cylindersize ? _("cylinders") : _("sectors")); - /* fallthrough */ - 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: 1MiB = 1024*1024 bytes, blocks of 1024 bytes" - ", counting from %d\n\n"), increment); - printf(_(" Device Boot Start End MiB #blocks Id System\n")); - break; - } -} - -static void -out_rounddown(int width, unsigned long long n, unsigned long unit, int inc) { - printf("%*llu", width, inc + n / unit); - if (unit != 1) - putchar((n % unit) ? '+' : ' '); - putchar(' '); -} - -static void -out_roundup(int width, unsigned long long n, unsigned long unit, int inc) { - if (n == (unsigned long long)(-1)) - printf("%*s", width, "-"); - else - printf("%*llu", width, inc + n / unit); - if (unit != 1) - putchar(((n + 1) % unit) ? '-' : ' '); - putchar(' '); -} - -static void -out_roundup_size(int width, unsigned long long n, unsigned long unit) { - printf("%*llu", width, (n + unit - 1) / unit); - if (unit != 1) - putchar((n % unit) ? '-' : ' '); - putchar(' '); -} - -static struct geometry -get_fdisk_geometry_one(struct part_desc *p) { - struct geometry G; - chs b = p->p.end_chs; - longchs bb = chs_to_longchs(b); - - memset(&G, 0, sizeof(struct geometry)); - G.heads = bb.h + 1; - G.sectors = bb.s; - G.cylindersize = G.heads * G.sectors; - return G; -} - -static int -get_fdisk_geometry(struct disk_desc *z) { - struct part_desc *p; - int pno, agree; - struct geometry G0, G; - - memset(&G0, 0, sizeof(struct geometry)); - agree = 0; - for (pno = 0; pno < z->partno; pno++) { - p = &(z->partitions[pno]); - if (p->size != 0 && p->p.sys_type != 0) { - G = get_fdisk_geometry_one(p); - if (!G0.heads) { - G0 = G; - agree = 1; - } else if (G.heads != G0.heads || G.sectors != G0.sectors) { - agree = 0; - break; - } - } - } - F = (agree ? G0 : B); - 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 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("%s", partname(dev, lpno, 10)); /* 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=%9llu", start); - printf(", size=%9llu", size); - if (p->ptype == DOS_TYPE) { - printf(", Id=%2x", p->p.sys_type); - if (p->p.bootable == 0x80) - printf(", bootable"); - } - 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(9, size, 2, 0); - break; - } - /* fall through */ - default: - case F_SECTOR: - out_rounddown(9, start, 1, increment); - out_roundup(9, end, 1, increment); - out_rounddown(10, size, 1, 0); - break; - case F_BLOCK: -#if 0 - 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(9, 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(9, 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) { - int pno, format = 0; - - if (z->partno == 0) { - if (!opt_list) - warnx(_("No partitions found")); - } else { - if (get_fdisk_geometry(z) && !dump) { - warnx(_("Warning: The partition table 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."), - F.heads, F.sectors, B.cylinders, B.heads, B.sectors); - } - - 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 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 char * -pnumber(struct part_desc *p, struct disk_desc *z) { - static char buf[20]; - int this, next; - struct part_desc *p0 = &(z->partitions[0]); - - 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(int fd, struct disk_desc *z) { - struct part_desc *partitions = &(z->partitions[0]), *p, *q; - int partno = z->partno; - int sector_size; - -#define PNO(p) pnumber(p, z) - - /* Have at least 4 partitions been defined? */ - if (partno < 4) { - if (!partno) - errx(EXIT_FAILURE, _("no partition table present")); - else - errx(EXIT_FAILURE, P_("strange, only %d partition defined", - "strange, only %d partitions defined", partno), 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) - warnx(_("Warning: partition %s has size 0 but is not marked Empty"), - PNO(p)); - else if (p->p.bootable != 0) - warnx(_("Warning: partition %s has size 0 and is bootable"), - PNO(p)); - else if (p->p.start_sect != 0) - warnx(_("Warning: partition %s has size 0 and nonzero start"), - 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) { - warnx(_("Warning: partition %s is not contained in " - "partition %s"), PNO(p), 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))) { - warnx(_("Warning: partitions %s and %s overlap"), - PNO(p), 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) { - warnx(_("Warning: partition %s contains part of " - "the partition table (sector %llu),\n" - "and will destroy it when filled"), - PNO(p), q->start); - return 0; - } - - /* Do they start past zero and end before end-of-disk? */ - { - unsigned long long ds = get_disksize(F_SECTOR); - for (p = partitions; p < partitions + partno; p++) - if (p->size) { - if (p->start == 0) { - warnx(_("Warning: partition %s starts at sector 0"), - PNO(p)); - return 0; - } - if (p->size && p->start + p->size > ds) { - warnx(_("Warning: partition %s extends past end of disk"), - PNO(p)); - return 0; - } - } - } - - if (blkdev_get_sector_size(fd, §or_size) == -1) - sector_size = DEFAULT_SECTOR_SIZE; - - /* Is the size of partitions less than 2^32 sectors limit? */ - for (p = partitions; p < partitions + partno; p++) - if (p->size > UINT_MAX) { - unsigned long long bytes = p->size * sector_size; - int giga = bytes / 1000000000; - int hectogiga = (giga + 50) / 100; - warnx(_("Warning: partition %s has size %d.%d TB (%llu bytes),\n" - "which is larger than the %llu bytes limit imposed\n" - "by the DOS partition table for %d-byte sectors"), - PNO(p), hectogiga / 10, hectogiga % 10, - bytes, - (unsigned long long) UINT_MAX * sector_size, - sector_size); - return 0; - } - - /* Do the partitions start below the 2^32 sectors limit? */ - for (p = partitions; p < partitions + partno; p++) - if (p->start > UINT_MAX) { - unsigned long long bytes = p->start * sector_size; - int giga = bytes / 1000000000; - int hectogiga = (giga + 50) / 100; - warnx(_("Warning: partition %s starts at sector %llu (%d.%d TB for %d-byte sectors),\n" - "which exceeds the DOS partition table limit of %llu sectors"), - PNO(p), - p->start, - hectogiga / 10, - hectogiga % 10, - sector_size, - (unsigned long long) UINT_MAX); - 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) { - warnx(_("Among the primary partitions, at most one can be extended\n" - " (although this is not a problem under Linux)")); - 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 && !Linux) { - 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)) { - warnx(_("Warning: partition %s does not start " - "at a cylinder boundary"), PNO(p)); - if (specified_format == F_CYLINDER) - return 0; - } - if ((p->start + p->size) % B.cylindersize) { - warnx(_("Warning: partition %s does not end " - "at a cylinder boundary"), PNO(p)); - if (specified_format == F_CYLINDER) - 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) { - warnx(_("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.")); - break; - } - if (p - partitions >= 4) { - warnx(_("Warning: usually one can boot from primary partitions " - "only\nLILO disregards the `bootable' flag.")); - break; - } - } - if (pno == -1 || pno >= 4) - warnx(_("Warning: no primary partition is marked bootable (active)\n" - "This does not matter for LILO, but the DOS MBR will " - "not boot this disk.")); - } - - /* 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 (!Linux && !chs_ok(b, PNO(p), _("start"))) - return 0; - if (a.s && !is_equal_chs(a, b)) - warnx(_("partition %s: start: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)"), - 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 (!Linux && !chs_ok(b, PNO(p), _("end"))) - return 0; - if (a.s && !is_equal_chs(a, b)) - warnx(_("partition %s: end: (c,h,s) expected (%ld,%ld,%ld) found (%ld,%ld,%ld)"), - PNO(p), aa.c, aa.h, aa.s, bb.c, bb.h, bb.s); - if (B.cylinders && B.cylinders < 1024 && bb.c > B.cylinders) - warnx(_("partition %s ends on cylinder %ld, beyond the end of the disk"), - 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 long start, here, next; - int i, moretodo = 1; - struct partition p; - struct part_desc *partitions = &(z->partitions[0]); - size_t pno = z->partno; - - here = start = ep->start; - - if (B.cylindersize && start % B.cylindersize) { - /* This is BAD */ - if (DOS_extended) { - here = start -= (start % B.cylindersize); - warnx(_("Warning: shifted start of the extd partition " - "from %lld to %lld\n" - "(For listing purposes only. " - "Do not change its contents.)"), ep->start, start); - } else if (!Linux) { - warnx(_("Warning: extended partition does not start at a " - "cylinder boundary.\n" - "DOS and Linux will interpret the contents differently.")); - } - } - - while (moretodo) { - moretodo = 0; - - if (!(s = get_sector(dev, fd, here))) - break; - - if (!msdos_signature(s)) { - warnx(_("ERROR: sector %llu does not have an msdos signature"), - s->sectornumber); - break; - } - cp = s->data + 0x1be; - - if (pno + 4 >= ARRAY_SIZE(z->partitions)) { - warnx(_("too many partitions - ignoring those past nr (%zu)"), - pno - 1); - break; - } - - 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) - warnx(_("tree of partitions?")); - 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; -} - -#define BSD_DISKMAGIC (0x82564557UL) -#define BSD_MAXPARTITIONS 16 -#define BSD_FS_UNUSED 0 -typedef unsigned char u8; -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 */ -}; - -static void -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 long start = ep->start; - struct sector *s; - struct part_desc *partitions = &(z->partitions[0]); - size_t pno = z->partno; - - if (!(s = get_sector(dev, fd, start + 1))) - return; - l = (struct bsd_disklabel *)(s->data); - if (l->d_magic != BSD_DISKMAGIC || l->d_magic2 != BSD_DISKMAGIC) - return; - - bp = bp0 = &l->d_partitions[0]; - while (bp - bp0 < BSD_MAXPARTITIONS && bp - bp0 < l->d_npartitions) { - if (pno + 1 >= ARRAY_SIZE(z->partitions)) { - warnx(_("too many partitions - ignoring those " - "past nr (%zu)"), 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].ep = 0; - partitions[pno].ptype = BSD_TYPE; - pno++; - } - bp++; - } - z->partno = 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; - int bsd_later = 1; - unsigned short sig, magic; -#ifdef __linux__ - bsd_later = (get_linux_version() >= KERNEL_VERSION(2, 3, 40)); -#endif - - if (!(s = get_sector(dev, fd, start))) - return 0; - - if (!msdos_signature(s)) - return 0; - - 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) { - warnx(_("detected Disk Manager - unable to handle that")); - return 0; - } - - memcpy(&sig, s->data + 2, sizeof(sig)); - if (sig <= 0x1ae) { - memcpy(&magic, s->data + sig, sizeof(magic)); - if (magic == 0x55aa && (1 & *(unsigned char *)(s->data + sig + 2))) { - warnx(_("DM6 signature found - giving up")); - 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) { - warnx(_("strange..., an extended partition of size 0?")); - continue; - } - extended_partition(dev, fd, &partitions[i], z); - } - if (!bsd_later && is_bsd(partitions[i].p.sys_type)) { - if (!partitions[i].size) { - warnx(_("strange..., a BSD partition of size 0?")); - continue; - } - bsd_partition(dev, fd, &partitions[i], z); - } - } - - if (bsd_later) { - for (i = 0; i < 4; i++) { - if (is_bsd(partitions[i].p.sys_type)) { - if (!partitions[i].size) { - warnx(_("strange..., a BSD partition of size 0?")); - continue; - } - bsd_partition(dev, fd, &partitions[i], z); - } - } - } - - return 1; -} - -static int -osf_partition(char *dev __attribute__ ((__unused__)), - int fd __attribute__ ((__unused__)), - unsigned long start __attribute__ ((__unused__)), - struct disk_desc *z __attribute__ ((__unused__))) { - return 0; -} - -static int -sun_partition(char *dev __attribute__ ((__unused__)), - int fd __attribute__ ((__unused__)), - unsigned long start __attribute__ ((__unused__)), - struct disk_desc *z __attribute__ ((__unused__))) { - return 0; -} - -static int -amiga_partition(char *dev __attribute__ ((__unused__)), - int fd __attribute__ ((__unused__)), - unsigned long start __attribute__ ((__unused__)), - struct disk_desc *z __attribute__ ((__unused__))) { - return 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)) { - if (!opt_list) - warnx(_(" %s: unrecognized partition table type"), 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) { - warnx(_("-n flag was given: Nothing changed")); - exit(EXIT_SUCCESS); - } - - for (p = partitions; p < partitions + pno; p++) { - s = get_sector(dev, fd, p->sector); - if (!s) - return 0; - s->to_be_written = 1; - if (p->ptype == DOS_TYPE) { - copy_from_part(&(p->p), s->data + p->offset); - s->data[510] = 0x55; - s->data[511] = (unsigned char)0xaa; - } - } - if (save_sector_file) { - if (!save_sectors(dev, fd)) { - errx(EXIT_FAILURE, _("Failed saving the old sectors - aborting\n")); - return 0; - } - } - if (!write_sectors(dev, fd)) { - warnx(_("Failed writing the partition on %s"), dev); - return 0; - } - if (fsync(fd)) { - warn(_("Failed writing the partition on %s"), dev); - return 0; - } - return 1; -} - -/* - * F. The standard input - */ - -/* - * Input format: - * <start> <size> <type> <bootable> <c,h,s> <c,h,s> - * Fields are separated by whitespace or comma or semicolon possibly - * followed by whitespace; initial and trailing whitespace is ignored. - * Numbers can be octal, decimal or hexadecimal, decimal is default - * The <c,h,s> parts can (and probably should) be omitted. - * Bootable is specified as [*|-], with as default not-bootable. - * Type is given in hex, without the 0x prefix, or is [E|S|L|X], where - * L (LINUX_NATIVE (83)) is the default, S is LINUX_SWAP (82), and E - * is EXTENDED_PARTITION (5), X is LINUX_EXTENDED (85). - * The default value of start is the first nonassigned sector/cylinder/... - * The default value of size is as much as possible (until next - * partition or end-of-disk). - * .: end of chain of extended partitions. - * - * On interactive input an empty line means: all defaults. - * Otherwise empty lines are ignored. - */ - -int eof, eob; +#include "closestream.h" -struct dumpfld { - 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} -}; +#include "libfdisk.h" /* - * Read a line, split it into fields - * - * (some primitive handwork, but a more elaborate parser seems - * unnecessary) + * sfdisk debug stuff (see fdisk.h and include/debug.h) */ -#define RD_EOF (-1) -#define RD_CMD (-2) - -static int -read_stdin(char **fields, char *line, int fieldssize, int linesize) { - 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 - 2, stdin); - if (lp == NULL) { - eof = 1; - return RD_EOF; - } - if (!(lp = strchr(lp, '\n'))) - errx(EXIT_FAILURE, _("long or incomplete input line - quitting")); - *lp = 0; - - /* remove comments, if any */ - if ((lp = strchr(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 = strchr(line + 2, ':')) != 0) { - struct dumpfld *d; - - nxtfld: - ip++; - while (isspace(*ip)) - ip++; - if (*ip == 0) - return fno; - for (d = dumpflds; (size_t) (d - dumpflds) < ARRAY_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 - errx(EXIT_FAILURE, _("input error: `=' expected after %s field"), - d->fldname); - if (fno <= d->fldno) - fno = d->fldno + 1; - if (*ip == 0) - return fno; - if (*ip != ',' && *ip != ';') - errx(EXIT_FAILURE, _("input error: unexpected character %c after %s field"), - *ip, d->fldname); - *ip = 0; - goto nxtfld; - } - } - errx(EXIT_FAILURE, _("unrecognized input: %s"), 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; - } - - if (lp == fields[fno - 1]) - fno--; - return fno; -} - -/* read a number, use default if absent */ -/* a sign gives an offset from the default */ -static int -get_ul(char *u, unsigned long *up, unsigned long def, int base) { - char *nu; - int sign = 0; - unsigned long val; - - if (*u == '+') { - sign = 1; - u++; - } else if (*u == '-') { - sign = -1; - u++; - } - if (*u) { - errno = 0; - val = strtoul(u, &nu, base); - if (errno == ERANGE) { - warnx(_("number too big")); - return -1; - } - if (*nu) { - warnx(_("trailing junk after number")); - return -1; - } - if (sign == 1) - val = def + val; - else if (sign == -1) - val = def - val; - *up = val; - } else - *up = def; - return 0; -} - - -/* read a number, use default if absent */ -/* a sign gives an offset from the default */ -static int -get_ull(char *u, unsigned long long *up, unsigned long long def, int base) { - char *nu; - int sign = 0; - unsigned long long val; - - if (*u == '+') { - sign = 1; - u++; - } else if (*u == '-') { - sign = -1; - u++; - } - if (*u) { - errno = 0; - val = strtoull(u, &nu, base); - if (errno == ERANGE) { - warnx(_("number too big")); - return -1; - } - if (*nu) { - warnx(_("trailing junk after number")); - return -1; - } - if (sign == 1) - val = def + val; - else if (sign == -1) - val = def - val; - *up = val; - } else - *up = def; - return 0; -} - - -/* There are two common ways to structure extended partitions: - as nested boxes, and as a chain. Sometimes the partitions - must be given in order. Sometimes all logical partitions - must lie inside the outermost extended partition. -NESTED: every partition is contained in the surrounding partitions - and is disjoint from all others. -CHAINED: every data partition is contained in the surrounding partitions - and disjoint from all others, but extended partitions may lie outside - (insofar as allowed by all_logicals_inside_outermost_extended). -ONESECTOR: all data partitions are mutually disjoint; extended partitions - each use one sector only (except perhaps for the outermost one). -*/ -int partitions_in_order = 0; -int all_logicals_inside_outermost_extended = 1; -enum { NESTED, CHAINED, ONESECTOR } boxes = NESTED; - -/* find the default value for <start> - assuming entire units */ -static unsigned long long -first_free(int pno, int is_extended, struct part_desc *ep, int format, - unsigned long long mid, struct disk_desc *z) { - unsigned long 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; -#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; -#endif - /* 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; - } - } - } - - return ff; -} +UL_DEBUG_DEFINE_MASK(sfdisk); +UL_DEBUG_DEFINE_MASKANEMS(sfdisk) = UL_DEBUG_EMPTY_MASKNAMES; -/* find the default value for <size> - assuming entire units */ -static unsigned long long -max_length(int pno, int is_extended, struct part_desc *ep, int format, - unsigned long long start, struct disk_desc *z) { - unsigned long long fu; - unsigned long unit = unitsize(format); - struct part_desc *partitions = &(z->partitions[0]), *pp = 0; +#define SFDISKPROG_DEBUG_INIT (1 << 1) +#define SFDISKPROG_DEBUG_PARSE (1 << 2) +#define SFDISKPROG_DEBUG_MISC (1 << 3) +#define SFDISKPROG_DEBUG_ALL 0xFFFF - /* if containing ep undefined, look at its container */ - if (ep && ep->p.sys_type == EMPTY_PARTITION) - ep = ep->ep; +#define DBG(m, x) __UL_DBG(sfdisk, SFDISKPROG_DEBUG_, m, x) +#define ON_DBG(m, x) __UL_DBG_CALL(sfdisk, SFDISKPROG_DEBUG_, m, x) - 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 */ -/* return 0 on failure */ -/* ep is 0 or points to surrounding extended partition */ -static int -compute_start_sect(struct part_desc *p, struct part_desc *ep) { - unsigned long long base; - int inc = (DOS && B.sectors) ? B.sectors : 1; - long long 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) { - unsigned long long old_size = p->size; - p->start -= delta; - p->size += delta; - if (is_extended(p->p.sys_type) && boxes == ONESECTOR) - p->size = inc; - else if ((long long) old_size <= -delta) { - warnx(_("no room for partition descriptor")); - 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) { - warnx(_("cannot build surrounding extended partition")); - 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; - } - - return 1; -} - -static int -read_line(int pno, struct part_desc *ep, char *dev, int interactive, - struct disk_desc *z) { - char line[1000]; - char *fields[11]; - int fno, pct = pno % 4; - struct part_desc p, *orig; - unsigned long 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)) - putchar('\n'); - warnx("%s:", partname(dev, lpno, 10)); - } - - /* read input line - skip blank lines when reading from a file */ - do { - fno = read_stdin(fields, line, ARRAY_SIZE(fields), ARRAY_SIZE(line)); - } while (fno == RD_CMD || (fno == 0 && !interactive)); - if (fno == RD_EOF) { - return -1; - } else if (fno > 10 && *(fields[10]) != 0) { - warnx(_("too many input fields")); - return 0; - } - - 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 && !Linux) - 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 */ - warnx(_("No room for more")); - 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_ull(fields[2], &ul, LINUX_NATIVE, 16)) - return 0; - if (ul > 255) { - warnx(_("Illegal type")); - 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_ull(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 (!strcmp(fields[1], "+")) - p.size = ml1; - else { - if (get_ull(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) { - warnx(_("Warning: given size (%llu) exceeds max allowable size (%llu)"), - (p.size + unitsize(0) - 1) / unitsize(0), ml1 / unitsize(0)); - if (!force) - return 0; - } - if (p.size == 0 && pno >= 4 && (fno < 2 || !*(fields[1]))) { - warnx(_("Warning: empty partition")); - 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) { - warnx(_("Warning: bad partition start (earliest %llu)"), - (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 { - warnx(_("unrecognized bootable flag - choose - or *")); - 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; - - { - longchs aa = chs_to_longchs(p.p.begin_chs), bb; - - if (fno < 5) { - bb = aa; - } else if (fno < 7) { - warnx(_("partial c,h,s specification?")); - 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) { - warnx(_("partial c,h,s specification?")); - 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 (pno > 3 && p.size && show_extended && p.p.sys_type != EMPTY_PARTITION - && (is_extended(p.p.sys_type) != (pct == 1))) { - warnx(_("Extended partition not where expected")); - if (!force) - return 0; - } - - z->partitions[pno] = p; - if (pno >= z->partno) - z->partno += 4; /* reqd for out_partition() */ - - 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) - errx(EXIT_FAILURE, _("bad input")); - if (i < 0) { - p->ep = ep; - return 0; - } - - ret: - 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; - size_t base; - - eob = 0; - while (1) { - base = z->partno; - if (base + 4 > ARRAY_SIZE(z->partitions)) { - warnx(_("too many partitions")); - 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) { - size_t i; - struct part_desc *partitions = &(z->partitions[0]), *ep; - - for (i = 0; i < ARRAY_SIZE(z->partitions); i++) - partitions[i] = zero_part_desc; - z->partno = 0; - - if (interactive) - warnx(_("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>).")); - 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 sfdiskprog_init_debug(void) +{ + __UL_INIT_DEBUG(sfdisk, SFDISKPROG_DEBUG_, 0, SFDISK_DEBUG); } -/* - * G. The command line - */ -static void usage(FILE * out) +static void __attribute__ ((__noreturn__)) usage(FILE *out) { fputs(USAGE_HEADER, out); + fprintf(out, - _(" %s [options] <device>...\n"), program_invocation_short_name); + _(" %1$s [options] <disk>\n"), program_invocation_short_name); fputs(USAGE_OPTIONS, out); - fputs(_(" -s, --show-size list size of a partition\n" - " -c, --id change or print partition Id\n" - " --change-id change Id\n" - " --print-id print Id\n"), out); - fputs(_(" -l, --list list partitions of each device\n" - " -d, --dump idem, but in a format suitable for later input\n" - " -i, --increment number cylinders etc. from 1 instead of from 0\n" - " -u, --unit <letter> units to be used; <letter> can be one of\n" - " S (sectors), C (cylinders), B (blocks), or M (MB)\n"), out); - fputs(_(" -1, --one-only reserved option that does nothing currently\n" - " -T, --list-types list the known partition types\n" - " -D, --DOS for DOS-compatibility: waste a little space\n" - " -E, --DOS-extended DOS extended partition compatibility\n" - " -R, --re-read make the kernel reread the partition table\n"), out); - fputs(_(" -N <number> change only the partition with this <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 sectors from <file>\n"), out); - fputs(_(" -V, --verify check that the listed partitions are reasonable\n" - " -v, --version display version information and exit\n" - " -h, --help display this help text and exit\n"), out); - fputs(_("\nDangerous options:\n"), out); - fputs(_(" -f, --force disable all consistency checking\n" - " --no-reread do not check whether the partition is in use\n" - " -q, --quiet suppress warning messages\n" - " -L, --Linux do not complain about things irrelevant for Linux\n"), out); - fputs(_(" -g, --show-geometry print the kernel's idea of the geometry\n" - " -G, --show-pt-geometry print geometry guessed from the partition table\n"), out); - fputs(_(" -A, --activate[=<device>] activate the bootable flag\n" - " -U, --unhide[=<device>] set partition as unhidden\n" - " -x, --show-extended also list extended partitions in the output,\n" - " or expect descriptors for them in the input\n"), out); - fputs(_(" --leave-last do not allocate the last cylinder\n" - " --IBM same as --leave-last\n"), out); - fputs(_(" --in-order partitions are in order\n" - " --not-in-order partitions are not in order\n" - " --inside-outer all logicals inside outermost extended\n" - " --not-inside-outer not all logicals inside outermost extended\n"), out); - fputs(_(" --nested every partition is disjoint from all others\n" - " --chained like nested, but extended partitions may lie outside\n" - " --onesector partitions are mutually disjoint\n"), out); - - fputs(_("\nOverride the detected geometry using:\n" - " -C, --cylinders <number> set the number of cylinders to use\n" - " -H, --heads <number> set the number of heads to use\n" - " -S, --sectors <number> set the number of sectors to use\n"), out); + fputs(USAGE_SEPARATOR, out); + fputs(USAGE_HELP, out); + fputs(USAGE_VERSION, out); fprintf(out, USAGE_MAN_TAIL("sfdisk(8)")); exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); } -static void -activate_usage(void) { - char *p; - if (!strcmp(program_invocation_short_name, "activate")) - p = " "; - else - p = " --activate="; - fputs(USAGE_HEADER, stderr); - fputs(USAGE_SEPARATOR, stderr); - fprintf(stderr, _(" %s%sdevice list active partitions on device\n"), - program_invocation_short_name, p); - fprintf(stderr, _(" %s%sdevice n1 n2 ... activate partitions n1 ..., inactivate the rest\n"), - program_invocation_short_name, p); - fprintf(stderr, USAGE_MAN_TAIL("sfdisk(8)")); - exit(EXIT_FAILURE); -} - -static const char short_opts[] = "cdfghilnqsu:vx1A::C:DGH:I:LN:O:RS:TU::V"; - -#define PRINT_ID 0400 -#define CHANGE_ID 01000 - -enum { - OPT_NO_REREAD = CHAR_MAX + 1, - OPT_LEAVE_LAST, - OPT_IN_ORDER, - OPT_NOT_IN_ORDER, - OPT_INSIDE_OUTER, - OPT_NOT_INSIDE_OUTER, - OPT_NESTED, - OPT_CHAINED, - OPT_ONESECTOR -}; - -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' }, - { "help", no_argument, NULL, 'h' }, - { "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' }, - { "one-only", no_argument, NULL, '1' }, - { "cylinders", required_argument, NULL, 'C' }, - { "heads", required_argument, NULL, 'H' }, - { "sectors", required_argument, NULL, 'S' }, - { "show-pt-geometry", no_argument, NULL, 'G' }, - { "activate", optional_argument, NULL, 'A' }, - { "DOS", no_argument, NULL, 'D' }, - { "DOS-extended", no_argument, NULL, 'E' }, - { "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, OPT_NO_REREAD }, - { "IBM", no_argument, NULL, OPT_LEAVE_LAST }, - { "leave-last", no_argument, NULL, OPT_LEAVE_LAST }, -/* dangerous flags - not all completely implemented */ - { "in-order", no_argument, NULL, OPT_IN_ORDER }, - { "not-in-order", no_argument, NULL, OPT_NOT_IN_ORDER }, - { "inside-outer", no_argument, NULL, OPT_INSIDE_OUTER }, - { "not-inside-outer", no_argument, NULL, OPT_NOT_INSIDE_OUTER }, - { "nested", no_argument, NULL, OPT_NESTED }, - { "chained", no_argument, NULL, OPT_CHAINED }, - { "onesector", no_argument, NULL, OPT_ONESECTOR }, - { NULL, 0, NULL, 0 } -}; - -static int is_ide_cdrom_or_tape(char *device) -{ - int fd, ret; - - if ((fd = open(device, O_RDONLY)) < 0) - return 0; - ret = blkdev_is_cdrom(fd); - - close(fd); - return ret; -} - -static char *nextproc(FILE *f) +int main(int argc, char *argv[]) { - char line[128 + 1]; - - if (!f) - return NULL; - - while (fgets(line, sizeof(line), f)) { - char buf[PATH_MAX], *cn; - dev_t devno; - - if (sscanf(line, " %*d %*d %*d %128[^\n ]", buf) != 1) - continue; - - devno = sysfs_devname_to_devno(buf, NULL); - if (devno <= 0) - continue; - - if (sysfs_devno_is_lvm_private(devno) || - sysfs_devno_is_wholedisk(devno) <= 0) - continue; - - if (!sysfs_devno_to_devpath(devno, buf, sizeof(buf))) - continue; - - cn = canonicalize_path(buf); - if (cn) - return cn; - } - - return NULL; -} - -static void do_list(char *dev, int silent); -static void do_size(char *dev, int silent); -static void do_geom(char *dev, int silent); -static void do_pt_geom(char *dev, int silent); -static void do_fdisk(char *dev); -static void do_reread(char *dev); -static void do_change_id(char *dev, char *part, char *id); -static void do_unhide(char **av, int ac, char *arg); -static void do_activate(char **av, int ac, char *arg); - -unsigned long long total_size; - -int -main(int argc, char **argv) { - int c; - char *dev; - int opt_size = 0; - int opt_out_geom = 0; - int opt_out_pt_geom = 0; - int opt_reread = 0; - int activate = 0; - int do_id = 0; - int unhide = 0; - char *activatearg = 0; - char *unhidearg = 0; - - setlocale(LC_ALL, ""); - bindtextdomain(PACKAGE, LOCALEDIR); - textdomain(PACKAGE); - atexit(close_stdout); - - if (argc < 1) - errx(EXIT_FAILURE, _("no command?")); - if (!strcmp(program_invocation_short_name, "activate")) - activate = 1; /* equivalent to `sfdisk -A' */ - - 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 'G': - opt_out_pt_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': - printf(UTIL_LINUX_VERSION); - return EXIT_SUCCESS; - case 'h': - usage(stdout); - return EXIT_SUCCESS; - case 'x': - show_extended = 1; - break; - case 'A': - activatearg = optarg; - activate = 1; - break; - case 'C': - U.cylinders = strtoul_or_err(optarg, _("invalid cylinders argument")); - break; - case 'D': - DOS = 1; - break; - case 'E': - DOS_extended = 1; - break; - case 'H': - U.heads = strtoul_or_err(optarg, _("invalid heads argument")); - break; - case 'L': - Linux = 1; - break; - case 'N': - one_only = strtol_or_err(optarg, _("invalid number of partitions argument")); - 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 = strtoul_or_err(optarg, _("invalid sectors argument")); - break; - case 'T': - list_types(); - return EXIT_SUCCESS; - case 'U': - unhidearg = optarg; - unhide = 1; - break; - case 'V': - verify = 1; - break; - default: - usage(stderr); - break; - - /* dangerous flags */ - case OPT_IN_ORDER: - partitions_in_order = 1; - break; - case OPT_NOT_IN_ORDER: - partitions_in_order = 0; - break; - case OPT_INSIDE_OUTER: - all_logicals_inside_outermost_extended = 1; - break; - case OPT_NOT_INSIDE_OUTER: - all_logicals_inside_outermost_extended = 0; - break; - case OPT_NESTED: - boxes = NESTED; - break; - case OPT_CHAINED: - boxes = CHAINED; - break; - case OPT_ONESECTOR: - boxes = ONESECTOR; - break; - - /* more flags */ - case OPT_NO_REREAD: - no_reread = 1; - break; - case OPT_LEAVE_LAST: - leave_last = 1; - break; - } - } - - if (optind == argc && - (opt_list || opt_out_geom || opt_out_pt_geom || opt_size || verify)) { - FILE *procf; - - /* try all known devices */ - total_size = 0; - - procf = fopen(_PATH_PROC_PARTITIONS, "r"); - if (!procf) - fprintf(stderr, _("cannot open %s\n"), _PATH_PROC_PARTITIONS); - else { - while ((dev = nextproc(procf)) != NULL) { - if (!is_ide_cdrom_or_tape(dev)) { - if (opt_out_geom) - do_geom(dev, 1); - if (opt_out_pt_geom) - do_pt_geom(dev, 1); - if (opt_size) - do_size(dev, 1); - if (opt_list || verify) - do_list(dev, 1); + struct fdisk_context *cxt; /* libfdisk stuff */ + const char *diskpath; + int rc, c; + + static const struct option longopts[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'v' }, + { NULL, 0, 0, 0 }, + }; + + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + atexit(close_stdout); + + while((c = getopt_long(argc, argv, "hv", longopts, NULL)) != -1) { + switch(c) { + case 'h': + usage(stdout); + break; + case 'v': + printf(_("%s from %s\n"), program_invocation_short_name, + PACKAGE_STRING); + return EXIT_SUCCESS; } - free(dev); - } - fclose(procf); - } - - if (opt_size) - printf(_("total: %llu blocks\n"), total_size); - - return exit_status; - } - - if (optind == argc) { - if (activate) - activate_usage(); - else - usage(stderr); - } - - if (opt_list || opt_out_geom || opt_out_pt_geom || opt_size || verify) { - while (optind < argc) { - if (opt_out_geom) - do_geom(argv[optind], 0); - if (opt_out_pt_geom) - do_pt_geom(argv[optind], 0); - if (opt_size) - do_size(argv[optind], 0); - if (opt_list || verify) - do_list(argv[optind], 0); - optind++; } - return exit_status; - } - if (activate) { - do_activate(argv + optind, argc - optind, activatearg); - return exit_status; - } - if (unhide) { - do_unhide(argv + optind, argc - optind, unhidearg); - return exit_status; - } - if (do_id) { - if ((do_id & PRINT_ID) != 0 && optind != argc - 2) - errx(EXIT_FAILURE, _("usage: sfdisk --print-id device partition-number")); - else if ((do_id & CHANGE_ID) != 0 && optind != argc - 3) - errx(EXIT_FAILURE, _("usage: sfdisk --change-id device partition-number Id")); - else if (optind != argc - 3 && optind != argc - 2) - errx(EXIT_FAILURE, _("usage: sfdisk --id device partition-number [Id]")); - do_change_id(argv[optind], argv[optind + 1], - (optind == argc - 2) ? 0 : argv[optind + 2]); - return exit_status; - } + fdisk_init_debug(0); + sfdiskprog_init_debug(); - if (optind != argc - 1) - errx(EXIT_FAILURE, _("can specify only one device (except with -l or -s)")); - dev = argv[optind]; - - if (opt_reread) - do_reread(dev); - else if (restore_sector_file) - restore_sectors(dev); - else - do_fdisk(dev); - - return exit_status; -} - -/* - * H. Listing the current situation - */ - -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) { - if (rw) - err(EXIT_FAILURE, _("cannot open %s read-write"), dev); - else - err(EXIT_FAILURE, _("cannot open %s for reading"), dev); - } - return fd; -} + if (argc - optind != 1) + usage(stderr); -static void -do_list(char *dev, int silent) { - int fd; - struct disk_desc *z; + diskpath = argv[optind]; - fd = my_open(dev, 0, silent); - if (fd < 0) - return; + cxt = fdisk_new_context(); + if (!cxt) + err(EXIT_FAILURE, _("failed to allocate libfdisk context")); - z = &oldp; + rc = fdisk_assign_device(cxt, diskpath, 0); + if (rc != 0) + err(EXIT_FAILURE, _("cannot open %s"), diskpath); - 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 (verify) { - if (partitions_ok(fd, z)) - printf(_("%s: OK"), dev); - else - exit_status = 1; - } - - close(fd); -} - -static void -do_geom(char *dev, int silent) { - int fd; - struct geometry R; - - fd = my_open(dev, 0, silent); - if (fd < 0) - return; - - R = get_geometry(dev, fd, silent); - if (R.cylinders) - printf(_("%s: %ld cylinders, %ld heads, %ld sectors/track\n"), - dev, R.cylinders, R.heads, R.sectors); - - close(fd); -} - -static void -do_pt_geom(char *dev, int silent) { - int fd; - struct disk_desc *z; - struct geometry R; - - fd = my_open(dev, 0, silent); - if (fd < 0) - return; - - z = &oldp; - - free_sectors(); - get_cylindersize(dev, fd, 1); - get_partitions(dev, fd, z); - - R = B; - - if (z->partno != 0 && get_fdisk_geometry(z)) { - R.heads = F.heads; - R.sectors = F.sectors; - R.cylindersize = R.heads * R.sectors; - R.cylinders = (R.cylindersize == 0) ? 0 : R.total_size / R.cylindersize; - } - - if (R.cylinders) - printf(_("%s: %ld cylinders, %ld heads, %ld sectors/track\n"), - dev, R.cylinders, R.heads, R.sectors); - - close(fd); -} - -/* for compatibility with earlier fdisk: provide option -s */ -static void -do_size(char *dev, int silent) { - int fd; - unsigned long long size; - - fd = my_open(dev, 0, silent); - if (fd < 0) - return; - - if (blkdev_get_sectors(fd, &size) == -1) { - if (!silent) - err(EXIT_FAILURE, _("Cannot get size of %s"), dev); - goto done; - } - - size /= 2; /* convert sectors to blocks */ - - /* a CDROM drive without mounted CD yields MAXINT */ - if (silent && size == ((1 << 30) - 1)) - goto done; - - if (silent) - printf("%s: %9llu\n", dev, size); - else - printf("%llu\n", size); - - total_size += size; - -done: - close(fd); -} - -/* - * Activate: usually one wants to have a single primary partition - * to be active. OS/2 fdisk makes non-bootable logical partitions - * active - I don't know what that means to OS/2 Boot Manager. - * - * Call: activate /dev/hda 2 5 7 make these partitions active - * and the remaining ones inactive - * Or: sfdisk -A /dev/hda 2 5 7 - * - * If only a single partition must be active, one may also use the form - * sfdisk -A2 /dev/hda - * - * With "activate /dev/hda" or "sfdisk -A /dev/hda" the active partitions - * are listed but not changed. To get zero active partitions, use - * "activate /dev/hda none" or "sfdisk -A /dev/hda none". - * Use something like `echo ",,,*" | sfdisk -N2 /dev/hda' to only make - * /dev/hda2 active, without changing other partitions. - * - * A warning will be given if after the change not precisely one primary - * partition is active. - * - * 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; + rc = fdisk_deassign_device(cxt, 0); + fdisk_unref_context(cxt); - pno = asc_to_index(pnam, z); - if (z->partitions[pno].ptype == DOS_TYPE) - 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\n", partname(dev, lpno, 0)); - else - printf("%s#%d\n", dev, pno); - if (z->partitions[pno].p.bootable != 0x80) - warnx(_("bad active byte: 0x%x instead of 0x80"), - z->partitions[pno].p.bootable); - } - } - } else { - /* clear `active byte' everywhere */ - for (pno = 0; pno < z->partno; pno++) - if (z->partitions[pno].ptype == DOS_TYPE) - 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]); - - /* then write to disk */ - if (write_partitions(dev, fd, z)) - warnx(_("Done")); - 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) - warnx(_("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."), - i); - - if (close_fd(fd) != 0) { - warnx(_("write failed")); - exit_status = 1; - } -} - -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 == 0x17 || id == 0x1b || id == 0x1c || id == 0x1e) - id -= 0x10; - else - errx(EXIT_FAILURE, _("partition %s has id %x and is not hidden"), 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; - - z = &oldp; - - rw = !no_write; - fd = my_open(dev, rw, 0); - - 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]); - - /* then write to disk */ - if (write_partitions(dev, fd, z)) - warn(_("Done")); - else - exit_status = 1; - - if (close_fd(fd) != 0) { - warn(_("write failed")); - 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; - - z = &oldp; - - rw = !no_write; - fd = my_open(dev, rw, 0); - - 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); - goto done; - } - i = strtoul(id, NULL, 16); - if (i > 255) - errx(EXIT_FAILURE, _("Bad Id %lx"), i); - z->partitions[pno].p.sys_type = i; - - if (write_partitions(dev, fd, z)) - warnx(_("Done")); - else - exit_status = 1; - -done: - if (close_fd(fd) != 0) { - warnx(_("write failed")); - exit_status = 1; - } -} - -static void -do_reread(char *dev) { - int fd; - - fd = my_open(dev, 0, 0); - if (reread_ioctl(fd)) { - warnx(_("This disk is currently in use.")); - exit(EXIT_FAILURE); - } - - close(fd); -} - -/* - * I. Writing the new situation - */ - -static void -do_fdisk(char *dev) { - int fd; - char answer[32]; - struct stat statbuf; - int interactive = isatty(0); - struct disk_desc *z; - - if (stat(dev, &statbuf) < 0) - err(EXIT_FAILURE, _("Fatal error: cannot find %s"), dev); - if (!S_ISBLK(statbuf.st_mode)) { - warnx(_("Warning: %s is not a block device"), dev); - no_reread = 1; - } - fd = my_open(dev, !no_write, 0); - - if (!no_write && !no_reread) { - warnx(_("Checking that no-one is using this disk right now ...")); - if (reread_ioctl(fd)) { - warnx(_("\nThis disk is currently in use - repartitioning is probably a bad idea.\n" - "Umount all file systems, and swapoff all swap partitions on this disk.\n" - "Use the --no-reread flag to suppress this check.")); - if (!force) - errx(EXIT_FAILURE, _("Use the --force flag to overrule all checks.")); - } else - warnx(_("OK")); - } - - z = &oldp; - - free_sectors(); - get_cylindersize(dev, fd, 0); - get_partitions(dev, fd, z); - - printf(_("Old situation:\n")); - out_partitions(dev, z); - - if (one_only && (one_only_pno = linux_to_index(one_only, z)) < 0) - errx(EXIT_FAILURE, _("Partition %d does not exist, cannot change it"), one_only); - - z = &newp; - - while (1) { - - read_input(dev, interactive, z); - - printf(_("New situation:\n")); - out_partitions(dev, z); - - if (!partitions_ok(fd, z) && !force) { - if (!interactive) - errx(EXIT_FAILURE, _("I don't like these partitions - nothing changed.\n" - "(If you really want this, use the --force option.)")); - else - warnx(_("I don't like this - probably you should answer No")); - } - if (interactive) { - ask: - if (no_write) - /* TRANSLATORS: sfdisk uses rpmatch which means the answers y and n - * should be translated, but that is not the case with q answer. */ - printf(_("Are you satisfied with this? [ynq] ")); - else - printf(_("Do you want to write this to disk? [ynq] ")); - ignore_result( fgets(answer, sizeof(answer), stdin) ); - if (answer[0] == 'q' || answer[0] == 'Q') { - errx(EXIT_FAILURE, _("Quitting - nothing changed")); - } else if (rpmatch(answer) == 0) { - continue; - } else if (rpmatch(answer) == 1) { - 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; - - if (!reread_disk_partition(dev, fd)) { /* close fd on success */ - close(fd); - exit_status = 1; - } - warnx(_("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).)")); - - sync(); /* superstition */ -} - - -/* - * return partition name - uses static storage unless buf is supplied - */ -static char *partname(char *dev, int pno, int lth) -{ - static char bufp[PATH_MAX]; - char *p; - int w, wp; - - w = strlen(dev); - p = ""; - - if (isdigit(dev[w-1])) - p = "p"; - - /* devfs kludge - note: fdisk partition names are not supposed - to equal kernel names, so there is no reason to do this */ - if (strcmp (dev + w - 4, "disc") == 0) { - w -= 4; - p = "part"; - } - - /* udev names partitions by appending -partN - e.g. ata-SAMSUNG_SV8004H_0357J1FT712448-part1 */ - if ((strncmp(dev, _PATH_DEV_BYID, strlen(_PATH_DEV_BYID)) == 0) || - strncmp(dev, _PATH_DEV_BYPATH, strlen(_PATH_DEV_BYPATH)) == 0) { - p = "-part"; - } - - wp = strlen(p); - - if (lth) { - snprintf(bufp, sizeof(bufp), "%*.*s%s%-2u", - lth-wp-2, w, dev, p, pno); - } else { - snprintf(bufp, sizeof(bufp), "%.*s%s%-2u", w, dev, p, pno); - } - return bufp; + DBG(MISC, ul_debug("bye! [rc=%d]", rc)); + return rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE; } |