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https://github.com/freebsd/freebsd-src
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![Warner Losh](/assets/img/avatar_default.png)
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
163 lines
4.8 KiB
C
163 lines
4.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1983, 1987, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#define DKTYPENAMES
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#define FSTYPENAMES
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#include <sys/disklabel.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <ctype.h>
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static int
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gettype(char *t, const char **names)
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{
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const char **nm;
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for (nm = names; *nm; nm++)
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if (strcasecmp(t, *nm) == 0)
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return (nm - names);
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if (isdigit((unsigned char)*t))
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return (atoi(t));
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return (0);
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}
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struct disklabel *
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getdiskbyname(const char *name)
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{
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static struct disklabel disk;
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struct disklabel *dp = &disk;
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struct partition *pp;
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char *buf;
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char *db_array[2] = { _PATH_DISKTAB, 0 };
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char *cp, *cq; /* can't be register */
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char p, max, psize[3], pbsize[3],
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pfsize[3], poffset[3], ptype[3];
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u_int32_t *dx;
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if (cgetent(&buf, db_array, (char *) name) < 0)
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return NULL;
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bzero((char *)&disk, sizeof(disk));
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/*
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* typename
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*/
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cq = dp->d_typename;
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cp = buf;
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while (cq < dp->d_typename + sizeof(dp->d_typename) - 1 &&
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(*cq = *cp) && *cq != '|' && *cq != ':')
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cq++, cp++;
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*cq = '\0';
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if (cgetstr(buf, "ty", &cq) > 0) {
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if (strcmp(cq, "removable") == 0)
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dp->d_flags |= D_REMOVABLE;
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else if (cq && strcmp(cq, "simulated") == 0)
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dp->d_flags |= D_RAMDISK;
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free(cq);
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}
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if (cgetcap(buf, "sf", ':') != NULL)
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dp->d_flags |= D_BADSECT;
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#define getnumdflt(field, dname, dflt) \
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{ long f; (field) = (cgetnum(buf, dname, &f) == -1) ? (dflt) : f; }
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getnumdflt(dp->d_secsize, "se", DEV_BSIZE);
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getnumdflt(dp->d_ntracks, "nt", 0);
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getnumdflt(dp->d_nsectors, "ns", 0);
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getnumdflt(dp->d_ncylinders, "nc", 0);
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if (cgetstr(buf, "dt", &cq) > 0) {
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dp->d_type = gettype(cq, dktypenames);
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free(cq);
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} else
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getnumdflt(dp->d_type, "dt", 0);
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getnumdflt(dp->d_secpercyl, "sc", dp->d_nsectors * dp->d_ntracks);
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getnumdflt(dp->d_secperunit, "su", dp->d_secpercyl * dp->d_ncylinders);
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getnumdflt(dp->d_rpm, "rm", 3600);
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getnumdflt(dp->d_interleave, "il", 1);
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getnumdflt(dp->d_trackskew, "sk", 0);
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getnumdflt(dp->d_cylskew, "cs", 0);
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getnumdflt(dp->d_headswitch, "hs", 0);
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getnumdflt(dp->d_trkseek, "ts", 0);
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getnumdflt(dp->d_bbsize, "bs", BBSIZE);
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getnumdflt(dp->d_sbsize, "sb", 0);
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strcpy(psize, "px");
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strcpy(pbsize, "bx");
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strcpy(pfsize, "fx");
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strcpy(poffset, "ox");
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strcpy(ptype, "tx");
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max = 'a' - 1;
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pp = &dp->d_partitions[0];
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for (p = 'a'; p < 'a' + MAXPARTITIONS; p++, pp++) {
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long l;
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psize[1] = pbsize[1] = pfsize[1] = poffset[1] = ptype[1] = p;
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if (cgetnum(buf, psize, &l) == -1)
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pp->p_size = 0;
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else {
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pp->p_size = l;
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cgetnum(buf, poffset, &l);
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pp->p_offset = l;
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getnumdflt(pp->p_fsize, pfsize, 0);
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if (pp->p_fsize) {
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long bsize;
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if (cgetnum(buf, pbsize, &bsize) == 0)
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pp->p_frag = bsize / pp->p_fsize;
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else
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pp->p_frag = 8;
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}
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getnumdflt(pp->p_fstype, ptype, 0);
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if (pp->p_fstype == 0)
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if (cgetstr(buf, ptype, &cq) >= 0) {
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pp->p_fstype = gettype(cq, fstypenames);
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free(cq);
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}
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max = p;
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}
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}
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dp->d_npartitions = max + 1 - 'a';
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(void)strcpy(psize, "dx");
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dx = dp->d_drivedata;
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for (p = '0'; p < '0' + NDDATA; p++, dx++) {
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psize[1] = p;
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getnumdflt(*dx, psize, 0);
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}
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dp->d_magic = DISKMAGIC;
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dp->d_magic2 = DISKMAGIC;
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free(buf);
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return (dp);
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}
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