diff options
Diffstat (limited to 'lib/libc/gen/disklabel.c')
| -rw-r--r-- | lib/libc/gen/disklabel.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/lib/libc/gen/disklabel.c b/lib/libc/gen/disklabel.c deleted file mode 100644 index bd15a47..0000000 --- a/lib/libc/gen/disklabel.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (c) 1983, 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 5/3/95"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#define DKTYPENAMES -#define FSTYPENAMES -#include <sys/disklabel.h> - -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <ctype.h> - -static int -gettype(char *t, const char **names) -{ - const char **nm; - - for (nm = names; *nm; nm++) - if (strcasecmp(t, *nm) == 0) - return (nm - names); - if (isdigit((unsigned char)*t)) - return (atoi(t)); - return (0); -} - -struct disklabel * -getdiskbyname(const char *name) -{ - static struct disklabel disk; - struct disklabel *dp = &disk; - struct partition *pp; - char *buf; - char *db_array[2] = { _PATH_DISKTAB, 0 }; - char *cp, *cq; /* can't be register */ - char p, max, psize[3], pbsize[3], - pfsize[3], poffset[3], ptype[3]; - u_int32_t *dx; - - if (cgetent(&buf, db_array, (char *) name) < 0) - return NULL; - - bzero((char *)&disk, sizeof(disk)); - /* - * typename - */ - cq = dp->d_typename; - cp = buf; - while (cq < dp->d_typename + sizeof(dp->d_typename) - 1 && - (*cq = *cp) && *cq != '|' && *cq != ':') - cq++, cp++; - *cq = '\0'; - - if (cgetstr(buf, "ty", &cq) > 0 && strcmp(cq, "removable") == 0) - dp->d_flags |= D_REMOVABLE; - else if (cq && strcmp(cq, "simulated") == 0) - dp->d_flags |= D_RAMDISK; - if (cgetcap(buf, "sf", ':') != NULL) - dp->d_flags |= D_BADSECT; - -#define getnumdflt(field, dname, dflt) \ - { long f; (field) = (cgetnum(buf, dname, &f) == -1) ? (dflt) : f; } - - getnumdflt(dp->d_secsize, "se", DEV_BSIZE); - getnumdflt(dp->d_ntracks, "nt", 0); - getnumdflt(dp->d_nsectors, "ns", 0); - getnumdflt(dp->d_ncylinders, "nc", 0); - - if (cgetstr(buf, "dt", &cq) > 0) - dp->d_type = gettype(cq, dktypenames); - else - getnumdflt(dp->d_type, "dt", 0); - getnumdflt(dp->d_secpercyl, "sc", dp->d_nsectors * dp->d_ntracks); - getnumdflt(dp->d_secperunit, "su", dp->d_secpercyl * dp->d_ncylinders); - getnumdflt(dp->d_rpm, "rm", 3600); - getnumdflt(dp->d_interleave, "il", 1); - getnumdflt(dp->d_trackskew, "sk", 0); - getnumdflt(dp->d_cylskew, "cs", 0); - getnumdflt(dp->d_headswitch, "hs", 0); - getnumdflt(dp->d_trkseek, "ts", 0); - getnumdflt(dp->d_bbsize, "bs", BBSIZE); - getnumdflt(dp->d_sbsize, "sb", 0); - strcpy(psize, "px"); - strcpy(pbsize, "bx"); - strcpy(pfsize, "fx"); - strcpy(poffset, "ox"); - strcpy(ptype, "tx"); - max = 'a' - 1; - pp = &dp->d_partitions[0]; - for (p = 'a'; p < 'a' + MAXPARTITIONS; p++, pp++) { - long l; - psize[1] = pbsize[1] = pfsize[1] = poffset[1] = ptype[1] = p; - if (cgetnum(buf, psize, &l) == -1) - pp->p_size = 0; - else { - pp->p_size = l; - cgetnum(buf, poffset, &l); - pp->p_offset = l; - getnumdflt(pp->p_fsize, pfsize, 0); - if (pp->p_fsize) { - long bsize; - - if (cgetnum(buf, pbsize, &bsize) == 0) - pp->p_frag = bsize / pp->p_fsize; - else - pp->p_frag = 8; - } - getnumdflt(pp->p_fstype, ptype, 0); - if (pp->p_fstype == 0 && cgetstr(buf, ptype, &cq) > 0) - pp->p_fstype = gettype(cq, fstypenames); - max = p; - } - } - dp->d_npartitions = max + 1 - 'a'; - (void)strcpy(psize, "dx"); - dx = dp->d_drivedata; - for (p = '0'; p < '0' + NDDATA; p++, dx++) { - psize[1] = p; - getnumdflt(*dx, psize, 0); - } - dp->d_magic = DISKMAGIC; - dp->d_magic2 = DISKMAGIC; - free(buf); - return (dp); -} |
