util-linux-ng-2.17.2/disk-utils/blockdev.c - nest-learning-thermostat/5.1/util-linux-ng - Git at Google

 /*
  * blockdev.c --- Do various simple block device ioctls from the command line
  * aeb, 991028
  */

 #include <stdio.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <errno.h>

 #include "c.h"
 #include "nls.h"
 #include "blkdev.h"

 const char *progname;


 struct bdc {
 	long		ioc;		/* ioctl code */
 	const char	*iocname;	/* ioctl name (e.g. BLKROSET) */
 	long		argval;		/* default argument */

 	const char	*name;		/* --setfoo */
 	const char	*argname;	/* argument name or NULL */

 	const char	*help;

 	int		argtype;
 	int		flags;
 };

 /* command flags */
 enum {
 	FL_NOPTR	= (1 << 1),	/* does not assume pointer (ARG_INT only)*/
 	FL_NORESULT	= (1 << 2)	/* does not return any data */
 };

 /* ioctl argument types */
 enum {
 	ARG_NONE,
 	ARG_USHRT,
 	ARG_INT,
 	ARG_UINT,
 	ARG_LONG,
 	ARG_ULONG,
 	ARG_LLONG,
 	ARG_ULLONG
 };

 #define IOCTL_ENTRY( io )	.ioc = io, .iocname = # io

 struct bdc bdcms[] =
 {
 	{
 		IOCTL_ENTRY(BLKROSET),
 		.name = "--setro",
 		.argtype = ARG_INT,
 		.argval = 1,
 		.flags = FL_NORESULT,
 		.help = N_("set read-only")
 	},{
 		IOCTL_ENTRY(BLKROSET),
 		.name = "--setrw",
 		.argtype = ARG_INT,
 		.argval = 0,
 		.flags = FL_NORESULT,
 		.help = N_("set read-write")
 	},{
 		IOCTL_ENTRY(BLKROGET),
 		.name = "--getro",
 		.argtype = ARG_INT,
 		.argval = -1,
 		.help = N_("get read-only")
 	},{
 		IOCTL_ENTRY(BLKSSZGET),
 		.name = "--getss",
 		.argtype = ARG_INT,
 		.argval = -1,
 		.help = N_("get logical block (sector) size")
 	},{
 		IOCTL_ENTRY(BLKPBSZGET),
 		.name = "--getpbsz",
 		.argtype = ARG_UINT,
 		.argval = -1,
 		.help = N_("get physical block (sector) size")
 	},{
 		IOCTL_ENTRY(BLKIOMIN),
 		.name = "--getiomin",
 		.argtype = ARG_UINT,
 		.argval = -1,
 		.help = N_("get minimum I/O size")
 	},{
 		IOCTL_ENTRY(BLKIOOPT),
 		.name = "--getioopt",
 		.argtype = ARG_UINT,
 		.argval = -1,
 		.help = N_("get optimal I/O size")
 	},{
 		IOCTL_ENTRY(BLKALIGNOFF),
 		.name = "--getalignoff",
 		.argtype = ARG_INT,
 		.argval = -1,
 		.help = N_("get alignment offset")
 	},{
 		IOCTL_ENTRY(BLKSECTGET),
 		.name = "--getmaxsect",
 		.argtype = ARG_USHRT,
 		.argval = -1,
 		.help = N_("get max sectors per request")
 	},{
 		IOCTL_ENTRY(BLKBSZGET),
 		.name = "--getbsz",
 		.argtype = ARG_INT,
 		.argval = -1,
 		.help = N_("get blocksize")
 	},{
 		IOCTL_ENTRY(BLKBSZSET),
 		.name = "--setbsz",
 		.argname = "BLOCKSIZE",
 		.argtype = ARG_INT,
 		.flags = FL_NORESULT,
 	        .help = N_("set blocksize")
 	},{
 		IOCTL_ENTRY(BLKGETSIZE),
 		.name = "--getsize",
 		.argtype = ARG_ULONG,
 		.argval = -1,
 		.help = N_("get 32-bit sector count")
 	},{
 		IOCTL_ENTRY(BLKGETSIZE64),
 		.name = "--getsize64",
 		.argtype = ARG_ULLONG,
 		.argval = -1,
 		.help = N_("get size in bytes")
 	},{
 		IOCTL_ENTRY(BLKRASET),
 		.name = "--setra",
 		.argname = "READAHEAD",
 		.argtype = ARG_INT,
 		.flags = FL_NOPTR | FL_NORESULT,
 		.help = N_("set readahead")
 	},{
 		IOCTL_ENTRY(BLKRAGET),
 		.name = "--getra",
 		.argtype = ARG_LONG,
 		.argval = -1,
 		.help = N_("get readahead")
 	},{
 		IOCTL_ENTRY(BLKFRASET),
 		.name = "--setfra",
 		.argname = "FSREADAHEAD",
 		.argtype = ARG_INT,
 		.flags = FL_NOPTR | FL_NORESULT,
 		.help = N_("set filesystem readahead")
 	},{
 		IOCTL_ENTRY(BLKFRAGET),
 		.name = "--getfra",
 		.argtype = ARG_LONG,
 		.argval = -1,
 		.help = N_("get filesystem readahead")
 	},{
 		IOCTL_ENTRY(BLKFLSBUF),
 		.name = "--flushbufs",
 		.help = N_("flush buffers")
 	},{
 		IOCTL_ENTRY(BLKRRPART),
 		.name = "--rereadpt",
 		.help = N_("reread partition table")
 	}
 };

 static void
 usage(void) {
 	int i;
 	fputc('\n', stderr);
 	fprintf(stderr, _("Usage:\n"));
 	fprintf(stderr, "  %s -V\n", progname);
 	fprintf(stderr, _("  %s --report [devices]\n"), progname);
 	fprintf(stderr, _("  %s [-v|-q] commands devices\n"), progname);
 	fputc('\n', stderr);

 	fprintf(stderr, _("Available commands:\n"));
 	fprintf(stderr, "\t%-30s %s\n", "--getsz",
 			_("get size in 512-byte sectors"));
 	for (i = 0; i < ARRAY_SIZE(bdcms); i++) {
 		if (bdcms[i].argname)
 			fprintf(stderr, "\t%s %-*s %s\n", bdcms[i].name,
 					(int) (29 - strlen(bdcms[i].name)),
 					bdcms[i].argname, _(bdcms[i].help));
 		else
 			fprintf(stderr, "\t%-30s %s\n", bdcms[i].name,
 					_(bdcms[i].help));
 	}
 	fputc('\n', stderr);
 	exit(1);
 }

 static int
 find_cmd(char *s) {
 	int j;

 	for (j = 0; j < ARRAY_SIZE(bdcms); j++)
 		if (!strcmp(s, bdcms[j].name))
 			return j;
 	return -1;
 }

 void do_commands(int fd, char **argv, int d);
 void report_header(void);
 void report_device(char *device, int quiet);
 void report_all_devices(void);

 int
 main(int argc, char **argv) {
 	int fd, d, j, k;
 	char *p;

 	/* egcs-2.91.66 is buggy and says:
 	   blockdev.c:93: warning: `d' might be used uninitialized */
 	d = 0;

 	progname = argv[0];
 	if ((p = strrchr(progname, '/')) != NULL)
 		progname = p+1;

 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);

 	if (argc < 2)
 		usage();

 	/* -V not together with commands */
 	if (!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version")) {
 		printf("%s (%s)\n", progname, PACKAGE_STRING);
 		exit(0);
 	}

 	/* --report not together with other commands */
 	if (!strcmp(argv[1], "--report")) {
 		report_header();
 		if (argc > 2) {
 			for (d = 2; d < argc; d++)
 				report_device(argv[d], 0);
 		} else {
 			report_all_devices();
 		}
 		exit(0);
 	}

 	/* do each of the commands on each of the devices */
 	/* devices start after last command */
 	for (d = 1; d < argc; d++) {
 		j = find_cmd(argv[d]);
 		if (j >= 0) {
 			if (bdcms[j].argname)
 				d++;
 			continue;
 		}
 		if (!strcmp(argv[d], "--getsz"))
 			continue;
 		if (!strcmp(argv[d], "--")) {
 			d++;
 			break;
 		}
 		if (argv[d][0] != '-')
 			break;
 	}

 	if (d >= argc)
 		usage();

 	for (k = d; k < argc; k++) {
 		fd = open(argv[k], O_RDONLY, 0);
 		if (fd < 0) {
 			perror(argv[k]);
 			exit(1);
 		}
 		do_commands(fd, argv, d);
 		close(fd);
 	}
 	return 0;
 }

 void
 do_commands(int fd, char **argv, int d) {
 	int res, i, j;
 	int iarg;
 	unsigned int uarg;
 	unsigned short huarg;
 	long larg;
 	long long llarg;
 	unsigned long lu;
 	unsigned long long llu;
 	int verbose = 0;

 	for (i = 1; i < d; i++) {
 		if (!strcmp(argv[i], "-v")) {
 			verbose = 1;
 			continue;
 		}
 		if (!strcmp(argv[i], "-q")) {
 			verbose = 0;
 			continue;
 		}

 		if (!strcmp(argv[i], "--getsz")) {
 			res = blkdev_get_sectors(fd, &llu);
 			if (res == 0)
 				printf("%lld\n", llu);
 			else
 				exit(1);
 			continue;
 		}

 		j = find_cmd(argv[i]);
 		if (j == -1) {
 			fprintf(stderr, _("%s: Unknown command: %s\n"),
 				progname, argv[i]);
 			usage();
 		}

 		switch(bdcms[j].argtype) {
 		default:
 		case ARG_NONE:
 			res = ioctl(fd, bdcms[j].ioc, 0);
 			break;
 		case ARG_USHRT:
 			huarg = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &huarg);
 			break;
 		case ARG_INT:
 			if (bdcms[j].argname) {
 				if (i == d-1) {
 					fprintf(stderr, _("%s requires an argument\n"),
 						bdcms[j].name);
 					usage();
 				}
 				iarg = atoi(argv[++i]);
 			} else
 				iarg = bdcms[j].argval;

 			res = bdcms[j].flags & FL_NOPTR ?
 					ioctl(fd, bdcms[j].ioc, iarg) :
 					ioctl(fd, bdcms[j].ioc, &iarg);
 			break;
 		case ARG_UINT:
 			uarg = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &uarg);
 			break;
 		case ARG_LONG:
 			larg = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &larg);
 			break;
 		case ARG_LLONG:
 			llarg = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &llarg);
 			break;
 		case ARG_ULONG:
 			lu = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &lu);
 			break;
 		case ARG_ULLONG:
 			llu = bdcms[j].argval;
 			res = ioctl(fd, bdcms[j].ioc, &llu);
 			break;
 		}

 		if (res == -1) {
 			perror(bdcms[j].iocname);
 			if (verbose)
 				printf(_("%s failed.\n"), _(bdcms[j].help));
 			exit(1);
 		}

 		if (bdcms[j].argtype == ARG_NONE ||
 		    (bdcms[j].flags & FL_NORESULT)) {
 			if (verbose)
 				printf(_("%s succeeded.\n"), _(bdcms[j].help));
 			continue;
 		}

 		if (verbose)
 			printf("%s: ", _(bdcms[j].help));

 		switch(bdcms[j].argtype) {
 		case ARG_USHRT:
 			printf("%hu\n", huarg);
 			break;
 		case ARG_INT:
 			printf("%d\n", iarg);
 			break;
 		case ARG_UINT:
 			printf("%u\n", uarg);
 			break;
 		case ARG_LONG:
 			printf("%ld\n", larg);
 			break;
 		case ARG_LLONG:
 			printf("%lld\n", llarg);
 			break;
 		case ARG_ULONG:
 			printf("%lu\n", lu);
 			break;
 		case ARG_ULLONG:
 			printf("%llu\n", llu);
 			break;
 		}
 	}
 }

 #define PROC_PARTITIONS "/proc/partitions"

 void
 report_all_devices(void) {
 	FILE *procpt;
 	char line[200];
 	char ptname[200];
 	char device[210];
 	int ma, mi, sz;

 	procpt = fopen(PROC_PARTITIONS, "r");
 	if (!procpt) {
 		fprintf(stderr, _("%s: cannot open %s\n"),
 			progname, PROC_PARTITIONS);
 		exit(1);
 	}

 	while (fgets(line, sizeof(line), procpt)) {
 		if (sscanf (line, " %d %d %d %200[^\n ]",
 			    &ma, &mi, &sz, ptname) != 4)
 			continue;

 		sprintf(device, "/dev/%s", ptname);
 		report_device(device, 1);
 	}

 	fclose(procpt);
 }

 void
 report_device(char *device, int quiet) {
 	int fd;
 	int ro, ssz, bsz;
 	long ra;
 	unsigned long long bytes;
 	struct hd_geometry g;

 	fd = open(device, O_RDONLY | O_NONBLOCK);
 	if (fd < 0) {
 		if (!quiet)
 			fprintf(stderr, _("%s: cannot open %s\n"),
 				progname, device);
 		return;
 	}

 	ro = ssz = bsz = 0;
 	g.start = ra = 0;
 	if (ioctl (fd, BLKROGET, &ro) == 0 &&
 	    ioctl (fd, BLKRAGET, &ra) == 0 &&
 	    ioctl (fd, BLKSSZGET, &ssz) == 0 &&
 	    ioctl (fd, BLKBSZGET, &bsz) == 0 &&
 	    ioctl (fd, HDIO_GETGEO, &g) == 0 &&
 	    blkdev_get_size (fd, &bytes) == 0) {
 		printf("%s %5ld %5d %5d %10ld %15lld   %s\n",
 		       ro ? "ro" : "rw", ra, ssz, bsz, g.start, bytes, device);
 	} else {
 		if (!quiet)
 			fprintf(stderr, _("%s: ioctl error on %s\n"),
 				progname, device);
 	}

 	close(fd);
 }

 void
 report_header() {
 	printf(_("RO    RA   SSZ   BSZ   StartSec            Size   Device\n"));
 }
	/*
	* blockdev.c --- Do various simple block device ioctls from the command line
	* aeb, 991028
	*/

	#include <stdio.h>
	#include <fcntl.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <sys/ioctl.h>
	#include <errno.h>

	#include "c.h"
	#include "nls.h"
	#include "blkdev.h"

	const char *progname;


	struct bdc {
	long ioc; /* ioctl code */
	const char iocname; / ioctl name (e.g. BLKROSET) */
	long argval; /* default argument */

	const char name; / --setfoo */
	const char argname; / argument name or NULL */

	const char *help;

	int argtype;
	int flags;
	};

	/* command flags */
	enum {
	FL_NOPTR = (1 << 1), /* does not assume pointer (ARG_INT only)*/
	FL_NORESULT = (1 << 2) /* does not return any data */
	};

	/* ioctl argument types */
	enum {
	ARG_NONE,
	ARG_USHRT,
	ARG_INT,
	ARG_UINT,
	ARG_LONG,
	ARG_ULONG,
	ARG_LLONG,
	ARG_ULLONG
	};

	#define IOCTL_ENTRY( io ) .ioc = io, .iocname = # io

	struct bdc bdcms[] =
	{
	{
	IOCTL_ENTRY(BLKROSET),
	.name = "--setro",
	.argtype = ARG_INT,
	.argval = 1,
	.flags = FL_NORESULT,
	.help = N_("set read-only")
	},{
	IOCTL_ENTRY(BLKROSET),
	.name = "--setrw",
	.argtype = ARG_INT,
	.argval = 0,
	.flags = FL_NORESULT,
	.help = N_("set read-write")
	},{
	IOCTL_ENTRY(BLKROGET),
	.name = "--getro",
	.argtype = ARG_INT,
	.argval = -1,
	.help = N_("get read-only")
	},{
	IOCTL_ENTRY(BLKSSZGET),
	.name = "--getss",
	.argtype = ARG_INT,
	.argval = -1,
	.help = N_("get logical block (sector) size")
	},{
	IOCTL_ENTRY(BLKPBSZGET),
	.name = "--getpbsz",
	.argtype = ARG_UINT,
	.argval = -1,
	.help = N_("get physical block (sector) size")
	},{
	IOCTL_ENTRY(BLKIOMIN),
	.name = "--getiomin",
	.argtype = ARG_UINT,
	.argval = -1,
	.help = N_("get minimum I/O size")
	},{
	IOCTL_ENTRY(BLKIOOPT),
	.name = "--getioopt",
	.argtype = ARG_UINT,
	.argval = -1,
	.help = N_("get optimal I/O size")
	},{
	IOCTL_ENTRY(BLKALIGNOFF),
	.name = "--getalignoff",
	.argtype = ARG_INT,
	.argval = -1,
	.help = N_("get alignment offset")
	},{
	IOCTL_ENTRY(BLKSECTGET),
	.name = "--getmaxsect",
	.argtype = ARG_USHRT,
	.argval = -1,
	.help = N_("get max sectors per request")
	},{
	IOCTL_ENTRY(BLKBSZGET),
	.name = "--getbsz",
	.argtype = ARG_INT,
	.argval = -1,
	.help = N_("get blocksize")
	},{
	IOCTL_ENTRY(BLKBSZSET),
	.name = "--setbsz",
	.argname = "BLOCKSIZE",
	.argtype = ARG_INT,
	.flags = FL_NORESULT,
	.help = N_("set blocksize")
	},{
	IOCTL_ENTRY(BLKGETSIZE),
	.name = "--getsize",
	.argtype = ARG_ULONG,
	.argval = -1,
	.help = N_("get 32-bit sector count")
	},{
	IOCTL_ENTRY(BLKGETSIZE64),
	.name = "--getsize64",
	.argtype = ARG_ULLONG,
	.argval = -1,
	.help = N_("get size in bytes")
	},{
	IOCTL_ENTRY(BLKRASET),
	.name = "--setra",
	.argname = "READAHEAD",
	.argtype = ARG_INT,
	.flags = FL_NOPTR \| FL_NORESULT,
	.help = N_("set readahead")
	},{
	IOCTL_ENTRY(BLKRAGET),
	.name = "--getra",
	.argtype = ARG_LONG,
	.argval = -1,
	.help = N_("get readahead")
	},{
	IOCTL_ENTRY(BLKFRASET),
	.name = "--setfra",
	.argname = "FSREADAHEAD",
	.argtype = ARG_INT,
	.flags = FL_NOPTR \| FL_NORESULT,
	.help = N_("set filesystem readahead")
	},{
	IOCTL_ENTRY(BLKFRAGET),
	.name = "--getfra",
	.argtype = ARG_LONG,
	.argval = -1,
	.help = N_("get filesystem readahead")
	},{
	IOCTL_ENTRY(BLKFLSBUF),
	.name = "--flushbufs",
	.help = N_("flush buffers")
	},{
	IOCTL_ENTRY(BLKRRPART),
	.name = "--rereadpt",
	.help = N_("reread partition table")
	}
	};

	static void
	usage(void) {
	int i;
	fputc('\n', stderr);
	fprintf(stderr, _("Usage:\n"));
	fprintf(stderr, " %s -V\n", progname);
	fprintf(stderr, _(" %s --report [devices]\n"), progname);
	fprintf(stderr, _(" %s [-v\|-q] commands devices\n"), progname);
	fputc('\n', stderr);

	fprintf(stderr, _("Available commands:\n"));
	fprintf(stderr, "\t%-30s %s\n", "--getsz",
	_("get size in 512-byte sectors"));
	for (i = 0; i < ARRAY_SIZE(bdcms); i++) {
	if (bdcms[i].argname)
	fprintf(stderr, "\t%s %-*s %s\n", bdcms[i].name,
	(int) (29 - strlen(bdcms[i].name)),
	bdcms[i].argname, _(bdcms[i].help));
	else
	fprintf(stderr, "\t%-30s %s\n", bdcms[i].name,
	_(bdcms[i].help));
	}
	fputc('\n', stderr);
	exit(1);
	}

	static int
	find_cmd(char *s) {
	int j;

	for (j = 0; j < ARRAY_SIZE(bdcms); j++)
	if (!strcmp(s, bdcms[j].name))
	return j;
	return -1;
	}

	void do_commands(int fd, char **argv, int d);
	void report_header(void);
	void report_device(char *device, int quiet);
	void report_all_devices(void);

	int
	main(int argc, char **argv) {
	int fd, d, j, k;
	char *p;

	/* egcs-2.91.66 is buggy and says:
	blockdev.c:93: warning: `d' might be used uninitialized */
	d = 0;

	progname = argv[0];
	if ((p = strrchr(progname, '/')) != NULL)
	progname = p+1;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);

	if (argc < 2)
	usage();

	/* -V not together with commands */
	if (!strcmp(argv[1], "-V") \|\| !strcmp(argv[1], "--version")) {
	printf("%s (%s)\n", progname, PACKAGE_STRING);
	exit(0);
	}

	/* --report not together with other commands */
	if (!strcmp(argv[1], "--report")) {
	report_header();
	if (argc > 2) {
	for (d = 2; d < argc; d++)
	report_device(argv[d], 0);
	} else {
	report_all_devices();
	}
	exit(0);
	}

	/* do each of the commands on each of the devices */
	/* devices start after last command */
	for (d = 1; d < argc; d++) {
	j = find_cmd(argv[d]);
	if (j >= 0) {
	if (bdcms[j].argname)
	d++;
	continue;
	}
	if (!strcmp(argv[d], "--getsz"))
	continue;
	if (!strcmp(argv[d], "--")) {
	d++;
	break;
	}
	if (argv[d][0] != '-')
	break;
	}

	if (d >= argc)
	usage();

	for (k = d; k < argc; k++) {
	fd = open(argv[k], O_RDONLY, 0);
	if (fd < 0) {
	perror(argv[k]);
	exit(1);
	}
	do_commands(fd, argv, d);
	close(fd);
	}
	return 0;
	}

	void
	do_commands(int fd, char **argv, int d) {
	int res, i, j;
	int iarg;
	unsigned int uarg;
	unsigned short huarg;
	long larg;
	long long llarg;
	unsigned long lu;
	unsigned long long llu;
	int verbose = 0;

	for (i = 1; i < d; i++) {
	if (!strcmp(argv[i], "-v")) {
	verbose = 1;
	continue;
	}
	if (!strcmp(argv[i], "-q")) {
	verbose = 0;
	continue;
	}

	if (!strcmp(argv[i], "--getsz")) {
	res = blkdev_get_sectors(fd, &llu);
	if (res == 0)
	printf("%lld\n", llu);
	else
	exit(1);
	continue;
	}

	j = find_cmd(argv[i]);
	if (j == -1) {
	fprintf(stderr, _("%s: Unknown command: %s\n"),
	progname, argv[i]);
	usage();
	}

	switch(bdcms[j].argtype) {
	default:
	case ARG_NONE:
	res = ioctl(fd, bdcms[j].ioc, 0);
	break;
	case ARG_USHRT:
	huarg = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &huarg);
	break;
	case ARG_INT:
	if (bdcms[j].argname) {
	if (i == d-1) {
	fprintf(stderr, _("%s requires an argument\n"),
	bdcms[j].name);
	usage();
	}
	iarg = atoi(argv[++i]);
	} else
	iarg = bdcms[j].argval;

	res = bdcms[j].flags & FL_NOPTR ?
	ioctl(fd, bdcms[j].ioc, iarg) :
	ioctl(fd, bdcms[j].ioc, &iarg);
	break;
	case ARG_UINT:
	uarg = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &uarg);
	break;
	case ARG_LONG:
	larg = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &larg);
	break;
	case ARG_LLONG:
	llarg = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &llarg);
	break;
	case ARG_ULONG:
	lu = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &lu);
	break;
	case ARG_ULLONG:
	llu = bdcms[j].argval;
	res = ioctl(fd, bdcms[j].ioc, &llu);
	break;
	}

	if (res == -1) {
	perror(bdcms[j].iocname);
	if (verbose)
	printf(_("%s failed.\n"), _(bdcms[j].help));
	exit(1);
	}

	if (bdcms[j].argtype == ARG_NONE \|\|
	(bdcms[j].flags & FL_NORESULT)) {
	if (verbose)
	printf(_("%s succeeded.\n"), _(bdcms[j].help));
	continue;
	}

	if (verbose)
	printf("%s: ", _(bdcms[j].help));

	switch(bdcms[j].argtype) {
	case ARG_USHRT:
	printf("%hu\n", huarg);
	break;
	case ARG_INT:
	printf("%d\n", iarg);
	break;
	case ARG_UINT:
	printf("%u\n", uarg);
	break;
	case ARG_LONG:
	printf("%ld\n", larg);
	break;
	case ARG_LLONG:
	printf("%lld\n", llarg);
	break;
	case ARG_ULONG:
	printf("%lu\n", lu);
	break;
	case ARG_ULLONG:
	printf("%llu\n", llu);
	break;
	}
	}
	}

	#define PROC_PARTITIONS "/proc/partitions"

	void
	report_all_devices(void) {
	FILE *procpt;
	char line[200];
	char ptname[200];
	char device[210];
	int ma, mi, sz;

	procpt = fopen(PROC_PARTITIONS, "r");
	if (!procpt) {
	fprintf(stderr, _("%s: cannot open %s\n"),
	progname, PROC_PARTITIONS);
	exit(1);
	}

	while (fgets(line, sizeof(line), procpt)) {
	if (sscanf (line, " %d %d %d %200[^\n ]",
	&ma, &mi, &sz, ptname) != 4)
	continue;

	sprintf(device, "/dev/%s", ptname);
	report_device(device, 1);
	}

	fclose(procpt);
	}

	void
	report_device(char *device, int quiet) {
	int fd;
	int ro, ssz, bsz;
	long ra;
	unsigned long long bytes;
	struct hd_geometry g;

	fd = open(device, O_RDONLY \| O_NONBLOCK);
	if (fd < 0) {
	if (!quiet)
	fprintf(stderr, _("%s: cannot open %s\n"),
	progname, device);
	return;
	}

	ro = ssz = bsz = 0;
	g.start = ra = 0;
	if (ioctl (fd, BLKROGET, &ro) == 0 &&
	ioctl (fd, BLKRAGET, &ra) == 0 &&
	ioctl (fd, BLKSSZGET, &ssz) == 0 &&
	ioctl (fd, BLKBSZGET, &bsz) == 0 &&
	ioctl (fd, HDIO_GETGEO, &g) == 0 &&
	blkdev_get_size (fd, &bytes) == 0) {
	printf("%s %5ld %5d %5d %10ld %15lld %s\n",
	ro ? "ro" : "rw", ra, ssz, bsz, g.start, bytes, device);
	} else {
	if (!quiet)
	fprintf(stderr, _("%s: ioctl error on %s\n"),
	progname, device);
	}

	close(fd);
	}

	void
	report_header() {
	printf(_("RO RA SSZ BSZ StartSec Size Device\n"));
	}