patch-2.4.8 linux/arch/s390/tools/dasdfmt/dasdfmt.c

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diff -u --recursive --new-file v2.4.7/linux/arch/s390/tools/dasdfmt/dasdfmt.c linux/arch/s390/tools/dasdfmt/dasdfmt.c
@@ -1,839 +0,0 @@
-/*
- *
- * dasdfmt.c
- *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Corporation
- *    Author(s): Utz Bacher, <utz.bacher@de.ibm.com>
- *
- *  Device-in-use-checks by Fritz Elfert, <felfert@to.com>
- *  Compatible Disk Layout enhancements by Carsten Otte, <cotte@de.ibm.com>
- *
- * Still to do:
- *   detect non-switch parameters ("dasdfmt -n 170 XY") and complain about them 
- */
-
-/* #define _LINUX_BLKDEV_H */
-
-#include <unistd.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <getopt.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <dirent.h>
-#include <mntent.h>
-#define __KERNEL__ /* we want to use kdev_t and not have to define it */
-#include <linux/kdev_t.h>
-#undef __KERNEL__
-
-#include <linux/fs.h>
-#include <asm/dasd.h>
-#include <linux/hdreg.h>
-
-#define EXIT_MISUSE 1
-#define EXIT_BUSY 2
-#define TEMPFILENAME "/tmp/ddfXXXXXX"
-#define TEMPFILENAMECHARS 8  /* 8 characters are fixed in all temp filenames */
-#define SLASHDEV "/dev/"
-#define PROC_DASD_DEVICES "/proc/dasd/devices"
-/* _PATH_MOUNTED is /etc/mtab - /proc/mounts does not show root-fs correctly */
-#define PROC_MOUNTS _PATH_MOUNTED
-#define PROC_SWAPS "/proc/swaps"
-#define DASD_DRIVER_NAME "dasd"
-#define LABEL_LENGTH 10
-#define PROC_LINE_LENGTH 80
-#define ERR_LENGTH 80
-
-#define MAX_FILELEN NAME_MAX+PATH_MAX
-
-#define GIVEN_DEVNO 1
-#define GIVEN_MAJOR 2
-#define GIVEN_MINOR 4
-
-#define CHECK_START 1
-#define CHECK_END 2
-#define CHECK_BLKSIZE 4
-#define CHECK_ALL ~0
-
-#define ERRMSG(x...) {fflush(stdout);fprintf(stderr,x);}
-#define ERRMSG_EXIT(ec,x...) {fflush(stdout);fprintf(stderr,x);exit(ec);}
-
-#define CHECK_SPEC_MAX_ONCE(i,str) \
-	{if (i>1) \
-		ERRMSG_EXIT(EXIT_MISUSE,"%s: " str " " \
-			"can only be specified once\n",prog_name);}
-
-#define PARSE_PARAM_INTO(x,param,base,str) \
-	{x=(int)strtol(param,&endptr,base); \
-	if (*endptr) \
-		ERRMSG_EXIT(EXIT_MISUSE,"%s: " str " " \
-			"is in invalid format\n",prog_name);}
-
-char *prog_name;/*="dasdfmt";*/
-char tempfilename[]=TEMPFILENAME;
-
-__u8 _ascebc[256] =
-{
- /*00 NUL   SOH   STX   ETX   EOT   ENQ   ACK   BEL */
-     0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
- /*08  BS    HT    LF    VT    FF    CR    SO    SI */
- /*              ->NL                               */
-     0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- /*10 DLE   DC1   DC2   DC3   DC4   NAK   SYN   ETB */
-     0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
- /*18 CAN    EM   SUB   ESC    FS    GS    RS    US */
- /*                               ->IGS ->IRS ->IUS */
-     0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
- /*20  SP     !     "     #     $     %     &     ' */
-     0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
- /*28   (     )     *     +     ,     -    .      / */
-     0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
- /*30   0     1     2     3     4     5     6     7 */
-     0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
- /*38   8     9     :     ;     <     =     >     ? */
-     0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
- /*40   @     A     B     C     D     E     F     G */
-     0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
- /*48   H     I     J     K     L     M     N     O */
-     0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
- /*50   P     Q     R     S     T     U     V     W */
-     0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
- /*58   X     Y     Z     [     \     ]     ^     _ */
-     0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
- /*60   `     a     b     c     d     e     f     g */
-     0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- /*68   h     i     j     k     l     m     n     o */
-     0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
- /*70   p     q     r     s     t     u     v     w */
-     0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
- /*78   x     y     z     {     |     }     ~    DL */
-     0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
- /*80*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*88*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*90*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*98*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*A0*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*A8*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*B0*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*B8*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*C0*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*C8*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*D0*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*D8*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*E0        sz						*/
-     0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*E8*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*F0*/
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- /*F8*/
-     0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
-};
-
-void convert_label(char *str)
-{
-	int i;
-	for (i=0;i<LABEL_LENGTH;i++) str[i]=_ascebc[str[i]];
-}
-
-void
-exit_usage(int exitcode)
-{
-#ifdef RANGE_FORMATTING
-	printf("Usage: %s [-htvyCLV] [-l <label>] [-b <blocksize>] [<range>] " \
-		"<diskspec>\n\n",prog_name);
-#else /* RANGE_FORMATTING */
-	printf("Usage: %s [-htvyCLV] [-l <label>] [-b <blocksize>] " \
-		"<diskspec>\n\n",prog_name);
-#endif /* RANGE_FORMATTING */
-	printf("       -t means testmode\n");
-	printf("       -v means verbose mode\n");
-	printf("       -C means format compatible disk layout\n");
-	printf("       -V means print version\n");
-	printf("       -L means don't write disk label\n");
-	printf("       <label> is a label which is converted to EBCDIC and " \
-		"written to disk\n");
-	printf("       <blocksize> has to be power of 2 and at least 512\n");
-#ifdef RANGE_FORMATTING
-	printf("       <range> is either\n");
-	printf("           -s <start_track> -e <end_track>\n");
-	printf("       or\n");
-	printf("           -r <start_track>-<end_track>\n");
-#endif /* RANGE_FORMATTING */
-	printf("       and <diskspec> is either\n");
-	printf("           -f /dev/dasdX\n");
-	printf("       or\n");
-	printf("           -n <s390-devnr>\n");
-	exit(exitcode);
-}
-
-void
-get_xno_from_xno(int *devno,kdev_t *major_no,kdev_t *minor_no,int mode)
-{
-	FILE *file;
-	int d,rc;
-	kdev_t mi,ma;
-	int mi_i,ma_i; /* for scanf :-( */
-	char line[PROC_LINE_LENGTH];
-
-	file=fopen(PROC_DASD_DEVICES,"r");
-	if (file==NULL)
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: failed to open " \
-			PROC_DASD_DEVICES ": %s (do you have the /proc " \
-			"filesystem enabled?)\n",prog_name,strerror(errno));
-
-	/*	fgets(line,sizeof(line),file); omit first line */ 
-	while (fgets(line,sizeof(line),file)!=NULL) {
-                rc=sscanf(line,"%X %*[(A-Z) ] at (%d:%d)",&d,&ma_i,&mi_i);
-		ma=ma_i;
-		mi=mi_i;
-		if ( (rc==3) &&
-			!((d!=*devno)&&(mode&GIVEN_DEVNO)) &&
-			!((ma!=*major_no)&&(mode&GIVEN_MAJOR)) &&
-			!((mi!=*minor_no)&&(mode&GIVEN_MINOR)) ) {
-			*devno=d;
-			*major_no=ma;
-			*minor_no=mi;
-			/* yes, this is a quick exit, but the easiest way */
-			fclose(file);
-			return;
-		}
-	}
-	fclose(file);
-
-	ERRMSG_EXIT(EXIT_FAILURE,"%s: failed to find device in the /proc " \
-		    "filesystem (are you sure to have the right parameter " \
-		    "dasd=xxx?)\n",
-		prog_name);
-}
-
-char *
-get_devname_from_devno(int devno,int verbosity)
-{
-	kdev_t major_no,minor_no;
-	kdev_t file_major,file_minor;
-	struct stat stat_buf;
-	int rc;
-	int found;
-	char *devname;
-	char tmpname[MAX_FILELEN];
-
-	DIR *dp;
-	struct dirent *direntp;
-
-	/**** get minor number ****/
-	get_xno_from_xno(&devno,&major_no,&minor_no,GIVEN_DEVNO);
-
-	/**** get device file ****/
-	if ((dp=opendir(SLASHDEV)) == NULL)
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: unable to read " SLASHDEV \
-			"\n",prog_name);
-	found=0;
-	while ((direntp=readdir(dp)) != NULL) {
-		strcpy(tmpname,SLASHDEV);
-		strcat(tmpname,direntp->d_name);
-		rc=stat(tmpname,&stat_buf);
-		if (!rc) {
-			file_major=MAJOR(stat_buf.st_rdev);
-			file_minor=MINOR(stat_buf.st_rdev);
-			if ((file_major==major_no) && (file_minor==minor_no)) {
-				found=1;
-				break;
-			}
-		}
-	}
-	if (found) {
-		devname=malloc(strlen(direntp->d_name));
-		strcpy(devname,tmpname);
-	}
-	rc=closedir(dp);
-	if (rc<0) ERRMSG("%s: unable to close directory " SLASHDEV \
-		"; continuing\n",prog_name);
-	if (found)
-		return devname;
-
-	if (verbosity>=1)
-		printf("I didn't find device node in " SLASHDEV \
-			"; trying to create a temporary node\n");
-
-	/**** get temp file and create device node *****/
-	rc=mkstemp(tempfilename);
-	if (rc==-1)
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: failed to get temporary " \
-			"filename: %s\n",prog_name,strerror(errno));
-	close(rc);
-	rc=unlink(tempfilename);
-	
-	rc=mknod(tempfilename,S_IFBLK|0600,MKDEV(major_no,minor_no));
-	if (rc)
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: failed to create temporary " \
-			"device node %s: %s\n",prog_name,tempfilename,
-			strerror(errno));
-	return tempfilename;
-}
-
-char *
-check_param(int mode,format_data_t data)
-{
-	char *s;
-
-	if (NULL==(s=malloc(ERR_LENGTH)))
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: not enough memory.\n",prog_name);
-
-	if ((mode&CHECK_START)&&(data.start_unit<0)) {
-		strcpy(s,"start track must be greater than zero");
-		goto exit;
-	}
-	if ((mode&CHECK_END)&&(data.stop_unit<-1)) {
-		strcpy(s,"end track must be -1 or greater than zero");
-		goto exit;
-	}
-	if ((mode&CHECK_END)&&(data.start_unit>data.stop_unit)&&
-		(data.stop_unit!=-1)) {
-		strcpy(s,"end track must be higher than start track");
-		goto exit;
-	}
-
-	if ((mode&CHECK_BLKSIZE)&&(data.blksize<1)) {
-		strcpy(s,"blocksize must be a positive integer");
-		goto exit;
-	}
-	if (mode&CHECK_BLKSIZE) while (data.blksize>0) {
-		if ((data.blksize%2)&&(data.blksize!=1)) {
-			strcpy(s,"blocksize must be a power of 2");
-			goto exit;
-		}
-		data.blksize/=2;
-	}
-
-	free(s);
-	return NULL;
-exit:
-	return s;
-}
-
-#define ASK_PRINTOUT printf("Please enter %s",output)
-#define ASK_GETBUFFER fgets(buffer,sizeof(buffer),stdin)
-#define ASK_SCANFORNUMBER(var) rc=sscanf(buffer,"%d%c",&var,&c)
-#define ASK_COMPLAIN_FORMAT if ((rc==2)&&(c=='\n')) rc=1; \
-	if (rc==-1) rc=1; /* this happens, if enter is pressed */ \
-	if (rc!=1) printf(" -- wrong input, try again.\n")
-#define ASK_CHECK_PARAM(mode) str=check_param(mode,params); \
-		if (str!=NULL) { printf(" -- %s\n",str); rc=0; free(str); }
-
-format_data_t
-ask_user_for_data(format_data_t params)
-{
-	char buffer[20]; /* should be enough for inputing track numbers */
-	char c;
-	int i,rc;
-	char *str;
-	char output[60],o2[12];
-
-#ifdef RANGE_FORMATTING
-	i=params.start_unit;
-	do {
-		params.start_unit=i;
-		sprintf(output,"the start track of the range to format " \
-			"[%d]: ",i);
-		ASK_PRINTOUT;
-		ASK_GETBUFFER;
-		ASK_SCANFORNUMBER(params.start_unit);
-		ASK_COMPLAIN_FORMAT;
-		ASK_CHECK_PARAM(CHECK_START);
-	} while (rc!=1);
-
-	i=params.stop_unit;
-	do {
-		params.stop_unit=i;
-		sprintf(output,"the end track of the range to format [");
-		if (i==-1) sprintf(o2,"END]: "); else
-			sprintf(o2,"%d]: ",i);
-		strcat(output,o2);
-		ASK_PRINTOUT;
-		ASK_GETBUFFER;
-		if ( (!strcasecmp(buffer,"end")) ||
-			(!strcasecmp(buffer,"end\n")) ) {
-			rc=1;
-			params.stop_unit=-1;
-		} else {
-			ASK_SCANFORNUMBER(params.stop_unit);
-			ASK_COMPLAIN_FORMAT;
-			ASK_CHECK_PARAM(CHECK_END);
-		}
-	} while (rc!=1);
-#endif /* RANGE_FORMATTING */
-
-	i=params.blksize;
-	do {
-		params.blksize=i;
-		sprintf(output,"the blocksize of the formatting [%d]: ",i);
-		ASK_PRINTOUT;
-		ASK_GETBUFFER;
-		ASK_SCANFORNUMBER(params.blksize);
-		ASK_COMPLAIN_FORMAT;
-		ASK_CHECK_PARAM(CHECK_BLKSIZE);
-	} while (rc!=1);
-
-	return params;
-}
-
-/* Check if the device we are going to format is mounted.
- * If true, complain and exit.
- */
-void
-check_mounted(int major, int minor)
-{
-	FILE *f;
-	int ishift = 0;
-	struct mntent *ment;
-	struct stat stbuf;
-	char line[128];
-
-	/* If whole disk to be formatted ... */
-	if ((minor % (1U << DASD_PARTN_BITS)) == 0) {
-		/* ... ignore partition-selector */
-		minor >>= DASD_PARTN_BITS;
-		ishift = DASD_PARTN_BITS;
-	}
-	/*
-	 * first, check filesystems
-	 */
-	if (!(f = fopen(PROC_MOUNTS, "r")))
-		ERRMSG_EXIT(EXIT_FAILURE, "%s: %s\n", PROC_MOUNTS,
-			strerror(errno));
-	while ((ment = getmntent(f))) {
-		if (stat(ment->mnt_fsname, &stbuf) == 0)
-			if ((major == MAJOR(stbuf.st_rdev)) &&
-				(minor == (MINOR(stbuf.st_rdev)>>ishift))) {
-				ERRMSG("%s: device is mounted on %s!!\n",
-					prog_name,ment->mnt_dir);
-				ERRMSG_EXIT(EXIT_BUSY, "If you really want to "
-					"format it, please unmount it.\n");
-			}
-	}
-	fclose(f);
-	/*
-	 * second, check active swap spaces
-	 */
-	if (!(f = fopen(PROC_SWAPS, "r")))
-		ERRMSG_EXIT(EXIT_FAILURE, PROC_SWAPS " %s", strerror(errno));
-	/*
-	 * skip header line
-	 */
-	fgets(line, sizeof(line), f);
-	while (fgets(line, sizeof(line), f)) {
-		char *p;
-		for (p = line; *p && (!isspace(*p)); p++) ;
-		*p = '\0';
-		if (stat(line, &stbuf) == 0)
-			if ((major == MAJOR(stbuf.st_rdev)) &&
-				(minor == (MINOR(stbuf.st_rdev)>>ishift))) {
-				ERRMSG("%s: the device is in use for "
-					"swapping!!\n",prog_name);
-				ERRMSG_EXIT(EXIT_BUSY, "If you really want to "
-					"format it, please use swapoff %s.\n",
-					line);
-			}
-	}
-	fclose(f);
-}
-
-void
-do_format_dasd(char *dev_name,format_data_t format_params,int testmode,
-	int verbosity,int writenolabel,int labelspec,
-	char *label,int withoutprompt,int devno)
-{
-	int fd,rc;
-	struct stat stat_buf;
-	kdev_t minor_no,major_no;
-	int new_blksize;
-	unsigned int label_position;
-	struct hd_geometry new_geometry;
-	char inp_buffer[5]; /* to contain yes */
-
-	fd=open(dev_name,O_RDWR);
-	if (fd==-1)
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: error opening device %s: " \
-			"%s\n",prog_name,dev_name,strerror(errno));
-
-	if (verbosity>=1) {
-	}
-
-	rc=stat(dev_name,&stat_buf);
-	if (rc) {
-		ERRMSG_EXIT(EXIT_FAILURE,"%s: error occurred during stat: " \
-			"%s\n",prog_name,strerror(errno));
-	} else {
-		if (!S_ISBLK(stat_buf.st_mode))
-			ERRMSG_EXIT(EXIT_FAILURE,"%s: file is not a " \
-				"blockdevice.\n",prog_name);
-		major_no=MAJOR(stat_buf.st_rdev);
-		minor_no=MINOR(stat_buf.st_rdev);
-	}
-	check_mounted(major_no, minor_no);
-
-	get_xno_from_xno(&devno,&major_no,&minor_no,
-			GIVEN_MAJOR|GIVEN_MINOR);
-	if ((!writenolabel) && (!labelspec)) {
-		sprintf(label,"LNX1 x%04x",devno);
-	}
-	
-	if ( ((withoutprompt)&&(verbosity>=1)) ||
-		(!withoutprompt) ) {
-		printf("\nI am going to format the device %s in the " \
-			"following way:\n",dev_name);
-		printf("   Device number of device : 0x%x\n",devno);
-		printf("   Major number of device  : %u\n",major_no);
-		printf("   Minor number of device  : %u\n",minor_no);
-		printf("   Labelling device        : %s\n",(writenolabel)?
-			"no":"yes");
-		if (!writenolabel)
-			printf("   Disk label              : %s\n",label);
-		if (format_params.intensity != DASD_FORMAT_DEFAULT_INTENSITY)
-			printf("   Compatible Disk Layout  : %s\n",(format_params.intensity&0x08)?
-			       "yes":"no");
-#ifdef RANGE_FORMATTING
-		printf("   Start track             : %d\n" \
-			,format_params.start_unit);
-		printf("   End track               : ");
-		if (format_params.stop_unit==-1)
-			printf("last track of disk\n");
-		else
-			printf("%d\n",format_params.stop_unit);
-#endif /* RANGE_FORMATTING */
-		printf("   Blocksize               : %d\n" \
-			,format_params.blksize);
-		if (testmode) printf("Test mode active, omitting ioctl.\n");
-	}
-
-	while (!testmode) {
-		if (!withoutprompt) {
-			printf("\n--->> ATTENTION! <<---\n");
-			printf("All data in the specified range of that " \
-				"device will be lost.\nType \"yes\" to " \
-				"continue, no will leave the disk untouched: ");
-			fgets(inp_buffer,sizeof(inp_buffer),stdin);
-			if (strcasecmp(inp_buffer,"yes") &&
-				strcasecmp(inp_buffer,"yes\n")) {
-				printf("Omitting ioctl call (disk will " \
-					"NOT be formatted).\n");
-				break;
-			}
-		}
-
-		if ( !(  (withoutprompt)&&(verbosity<1) ))
-			printf("Formatting the device. This may take a " \
-				"while (get yourself a coffee).\n");
-		rc=ioctl(fd,BIODASDFORMAT,format_params);
-		if (rc)
-			ERRMSG_EXIT(EXIT_FAILURE,"%s: the dasd driver " \
-				"returned with the following error " \
-				"message:\n%s\n",prog_name,strerror(errno));
-		printf("Finished formatting the device.\n");
-
-		if (!writenolabel) {
-			if (verbosity>0)
-				printf("Retrieving disk geometry... ");
-
-			rc=ioctl(fd,HDIO_GETGEO,&new_geometry);
-			if (rc) {
-				ERRMSG("%s: the ioctl call to get geometry " \
-					"returned with the following error " \
-					"message:\n%s\n",prog_name,
-					strerror(errno));
-				goto reread;
-			}
-	
-
-			rc=ioctl(fd,BLKSSZGET,&new_blksize);
-			if (rc) {
-				ERRMSG("%s: the ioctl call to get blocksize " \
-					"returned with the following error " \
-					"message:\n%s\n",prog_name,
-					strerror(errno));
-				goto reread;
-			}
-	
-			if (verbosity>0) printf("done\n");
-
-			label_position=new_geometry.start*new_blksize;
-	
-			if (verbosity>0) printf("Writing label... ");
-			convert_label(label);
-			rc=lseek(fd,label_position,SEEK_SET);
-			if (rc!=label_position) {
-				ERRMSG("%s: lseek on the device to %i " \
-					"failed with the following error " \
-					"message:\n%s\n",prog_name,
-					label_position,strerror(errno));
-				goto reread;
-			}
-			rc=write(fd,label,LABEL_LENGTH);
-			if (rc!=LABEL_LENGTH) {
-				ERRMSG("%s: writing the label only wrote %d " \
-					"bytes.\n",prog_name,rc);
-				goto reread;
-			}
-
-			sync();
-			sync();
-
-			if (verbosity>0) printf("done\n");
-		}
- reread:
-		printf("Rereading the partition table... ");
-		rc=ioctl(fd,BLKRRPART,NULL);
-		if (rc) {
-			ERRMSG("%s: error during rereading the partition " \
-			       "table: %s.\n",prog_name,strerror(errno));
-		} else printf("done.\n");
-
-		break;
-	}
-
-	rc=close(fd);
-	if (rc)
-		ERRMSG("%s: error during close: " \
-			"%s; continuing.\n",prog_name,strerror(errno));
-}
-
-
-
-int main(int argc,char *argv[]) {
-	int verbosity;
-	int testmode;
-	int withoutprompt;
-	int writenolabel,labelspec;
-
-	char *dev_name;
-	int devno;
-	char *dev_filename,*devno_param_str,*range_param_str;
-	char *start_param_str,*end_param_str,*blksize_param_str;
-	char label[LABEL_LENGTH+1];
-	
-	format_data_t format_params;
-
-	int rc;
-	int oc;
-	char *endptr;
-
-	char c1,c2,cbuffer[6]; /* should be able to contain -end plus 1 char */
-	int i,i1,i2;
-	char *str;
-
-	int start_specified,end_specified,blksize_specified;
-	int devfile_specified,devno_specified,range_specified;
-
-	/******************* initialization ********************/
-	prog_name=argv[0];
-
-	endptr=NULL;
-
-	/* set default values */
-	format_params.start_unit=DASD_FORMAT_DEFAULT_START_UNIT;
-	format_params.stop_unit=DASD_FORMAT_DEFAULT_STOP_UNIT;
-	format_params.blksize=DASD_FORMAT_DEFAULT_BLOCKSIZE;
-	format_params.intensity=DASD_FORMAT_DEFAULT_INTENSITY;
-	testmode=0;
-	verbosity=0;
-	withoutprompt=0;
-	writenolabel=0;
-	labelspec=0;
-	for (i=0;i<LABEL_LENGTH;i++) label[i]=' ';
-	label[LABEL_LENGTH]=0;
-
-	start_specified=end_specified=blksize_specified=0;
-	devfile_specified=devno_specified=range_specified=0;
-
-	/*************** parse parameters **********************/
-
-	/* avoid error message generated by getopt */
-	opterr=0;
-
-#ifdef RANGE_FORMATTING
-	while ( (oc=getopt(argc,argv,"r:s:e:b:n:l:f:ChLty?vV")) !=EOF) {
-#endif /* RANGE_FORMATTING */
-	while ( (oc=getopt(argc,argv,"b:n:l:f:ChLty?vV")) !=EOF) {
-		switch (oc) {
-		case 'y':
-			withoutprompt=1;
-			break;
-
-		case 't':
-			testmode=1;
-			break;
-
-		case 'v':
-			verbosity++;
-			break;
-
-		case '?': /* fall-through */
-		case ':':
-			exit_usage(EXIT_MISUSE);
-
-		case 'h':
-			exit_usage(0);
-		case 'C':
-                	format_params.intensity&=0x08;
-			break;
-
-		case 'V':
-			printf("%s version 0.99\n",prog_name);
-			exit(0);
-
-		case 'l':
-			strncpy(label,optarg,LABEL_LENGTH);
-			if (strlen(optarg)<LABEL_LENGTH)
-				label[strlen(optarg)]=' ';
-			labelspec++;
-			break;
-
-		case 'L':
-			writenolabel++;
-			break;
-
-#ifdef RANGE_FORMATTING
-		case 's' :
-			start_param_str=optarg;
-			start_specified++;
-			break;
-			
-		case 'e' :
-			end_param_str=optarg;
-			end_specified++;
-			break;
-
-		case 'r' :
-			range_param_str=optarg;
-			range_specified++;
-			break;
-#endif /* RANGE_FORMATTING */
-
-		case 'b' :
-			blksize_param_str=optarg;
-			blksize_specified++;
-			break;
-			
-		case 'n' :
-			devno_param_str=optarg;
-			devno_specified++;
-			break;
-		
-		case 'f' :
-			dev_filename=optarg;
-			devfile_specified++;
-			break;
-		}
-	}
-
-	/******************** checking of parameters **************/
-
-	/* convert range into -s and -e */
-	CHECK_SPEC_MAX_ONCE(range_specified,"formatting range");
-
-	while (range_specified) {
-		start_specified++;
-		end_specified++;
-
-		/* scan for 1 or 2 integers, separated by a dash */
-		rc=sscanf(range_param_str,"%d%c%d%c",&i1,&c1,&i2,&c2);
-		if ((rc==3)&&(c1=='-')) {
-			format_params.start_unit=i1;
-			format_params.stop_unit=i2;
-			break;
-		}
-		if (rc==1) {
-			format_params.start_unit=i1;
-			break;
-		}
-
-		/* scan for integer and -END */
-		rc=sscanf(range_param_str,"%d%s",&i1,cbuffer);
-		if ((rc==2)&&(!strcasecmp(cbuffer,"-END"))) {
-			format_params.start_unit=i1;
-			format_params.stop_unit=-1;
-			break;
-		}
-		ERRMSG_EXIT(EXIT_MISUSE,"%s: specified range " \
-			"is in invalid format\n",prog_name);
-	}
-
-	if ((!devfile_specified)&&(!devno_specified))
-		ERRMSG_EXIT(EXIT_MISUSE,"%s: device to format " \
-			"not specified\n",prog_name);
-
-	if ((devfile_specified+devno_specified)>1)
-		ERRMSG_EXIT(EXIT_MISUSE,"%s: device to format " \
-			"can only be specified once\n",prog_name);
-
-	if ((!start_specified)&&(!end_specified)&&(!range_specified)&&
-		(!blksize_specified)) {
-		format_params=ask_user_for_data(format_params);
-	}
-
-	CHECK_SPEC_MAX_ONCE(start_specified,"start track");
-	CHECK_SPEC_MAX_ONCE(end_specified,"end track");
-	CHECK_SPEC_MAX_ONCE(blksize_specified,"blocksize");
-	CHECK_SPEC_MAX_ONCE(labelspec,"label");
-	CHECK_SPEC_MAX_ONCE(writenolabel,"omit-label-writing flag");
-
-	if (devno_specified)
-		PARSE_PARAM_INTO(devno,devno_param_str,16,"device number");
-	if (start_specified&&!range_specified)
-		PARSE_PARAM_INTO(format_params.start_unit,start_param_str,10,
-			"start track");
-	if (end_specified&&!range_specified)
-		PARSE_PARAM_INTO(format_params.stop_unit,end_param_str,10,
-			"end track");
-	if (blksize_specified)
-		PARSE_PARAM_INTO(format_params.blksize,blksize_param_str,10,
-			"blocksize");
-
-	/***********get dev_name *********************/
-	dev_name=(devno_specified)?
-		get_devname_from_devno(devno,verbosity):
-		dev_filename;
-
-	/*** range checking *********/
-	str=check_param(CHECK_ALL,format_params);
-	if (str!=NULL) ERRMSG_EXIT(EXIT_MISUSE,"%s: %s\n",prog_name,str);
-
-	/******* issue the real command and reread part table *******/
-	do_format_dasd(dev_name,format_params,testmode,verbosity,
-		writenolabel,labelspec,label,withoutprompt,devno);
-
-	/*************** cleanup ********************************/
-	if (strncmp(dev_name,TEMPFILENAME,TEMPFILENAMECHARS)==0) {
-		rc=unlink(dev_name);
-		if ((rc)&&(verbosity>=1))
-			ERRMSG("%s: temporary device node %s could not be " \
-				"removed: %s\n",prog_name,dev_name,
-				strerror(errno));
-	} else {
-		if (devno_specified) {
-			/* so we have allocated space for the filename */
-			free(dev_name);
-		}
-	}
-
-	return 0;
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)