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| -rw-r--r-- | device/dk_label.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/device/dk_label.c b/device/dk_label.c deleted file mode 100644 index c7d459b..0000000 --- a/device/dk_label.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1993,1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: rz_disk.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 10/90 - * - */ - -#include <sys/types.h> -#include <kern/printf.h> -#include <sys/ioctl.h> -#include <device/device_types.h> -#include <device/disk_status.h> - -/* Checksum a disk label */ -unsigned -dkcksum(lp) - struct disklabel *lp; -{ - register unsigned short *start, *end, sum = 0; - - start = (unsigned short *)lp; - end = (unsigned short*)&lp->d_partitions[lp->d_npartitions]; - while (start < end) sum ^= *start++; - return sum; -} - -/* Perform some checks and then copy a disk label */ -setdisklabel(lp, nlp) - struct disklabel *lp, *nlp; -{ - if (nlp->d_magic != DISKMAGIC || nlp->d_magic2 != DISKMAGIC || - (dkcksum(nlp) != 0)) - return D_INVALID_OPERATION; - *lp = *nlp; - return D_SUCCESS; -} - -dkgetlabel(lp, flavor, data, count) - struct disklabel *lp; - int flavor; - int * data; /* pointer to OUT array */ - unsigned int *count; /* OUT */ -{ - - switch (flavor) { - /* get */ - case DIOCGDINFO: - *(struct disklabel *)data = *lp; - *count = sizeof(struct disklabel)/sizeof(int); - break; - case DIOCGDINFO - (0x10<<16): - *(struct disklabel *)data = *lp; - *count = sizeof(struct disklabel)/sizeof(int) - 4; - break; - } -} - -print_bsd_label(lp, str) -struct disklabel *lp; -char *str; -{ -int i; - printf("%s sectors %d, tracks %d, cylinders %d\n", - str, lp->d_nsectors, lp->d_ntracks, lp->d_ncylinders); - printf("%s secpercyl %d, secperunit %d, npartitions %d\n", - str, lp->d_secpercyl, lp->d_secperunit, lp->d_npartitions); - - for (i = 0; i < lp->d_npartitions; i++) { - printf("%s %c: size = %d, offset = %d\n", - str, 'a'+i, - lp->d_partitions[i].p_size, - lp->d_partitions[i].p_offset); - } -} |