mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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e54f2950a6
sbin/newfs_msdos/newfs_msdos.c:181:2: error: misleading indentation; statement is not part of the previous 'if' [-Werror,-Wmisleading-indentation]
if (o.align) {
^
sbin/newfs_msdos/newfs_msdos.c:179:5: note: previous statement is here
if (argc < 1 || argc > 2)
^
MFC after: 3 days
282 lines
6.8 KiB
C
282 lines
6.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1998 Robert Nordier
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* 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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <paths.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 "mkfs_msdos.h"
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#define argto1(arg, lo, msg) argtou(arg, lo, 0xff, msg)
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#define argto2(arg, lo, msg) argtou(arg, lo, 0xffff, msg)
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#define argto4(arg, lo, msg) argtou(arg, lo, 0xffffffff, msg)
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#define argtox(arg, lo, msg) argtou(arg, lo, UINT_MAX, msg)
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static u_int argtou(const char *, u_int, u_int, const char *);
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static off_t argtooff(const char *, const char *);
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static void usage(void);
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static time_t
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get_tstamp(const char *b)
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{
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struct stat st;
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char *eb;
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long long l;
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if (stat(b, &st) != -1)
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return (time_t)st.st_mtime;
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errno = 0;
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l = strtoll(b, &eb, 0);
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if (b == eb || *eb || errno)
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errx(EXIT_FAILURE, "Can't parse timestamp '%s'", b);
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return (time_t)l;
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}
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/*
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* Construct a FAT12, FAT16, or FAT32 file system.
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*/
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int
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main(int argc, char *argv[])
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{
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static const char opts[] = "@:NAB:C:F:I:L:O:S:a:b:c:e:f:h:i:k:m:n:o:r:s:T:u:";
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struct msdos_options o;
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const char *fname, *dtype;
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char buf[MAXPATHLEN];
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int ch;
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memset(&o, 0, sizeof(o));
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while ((ch = getopt(argc, argv, opts)) != -1)
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switch (ch) {
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case '@':
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o.offset = argtooff(optarg, "offset");
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break;
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case 'N':
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o.no_create = 1;
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break;
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case 'A':
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o.align = true;
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break;
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case 'B':
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o.bootstrap = optarg;
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break;
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case 'C':
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o.create_size = argtooff(optarg, "create size");
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break;
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case 'F':
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if (strcmp(optarg, "12") &&
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strcmp(optarg, "16") &&
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strcmp(optarg, "32"))
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errx(1, "%s: bad FAT type", optarg);
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o.fat_type = atoi(optarg);
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break;
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case 'I':
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o.volume_id = argto4(optarg, 0, "volume ID");
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o.volume_id_set = 1;
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break;
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case 'L':
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o.volume_label = optarg;
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break;
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case 'O':
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o.OEM_string = optarg;
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break;
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case 'S':
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o.bytes_per_sector = argto2(optarg, 1, "bytes/sector");
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break;
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case 'a':
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o.sectors_per_fat = argto4(optarg, 1, "sectors/FAT");
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break;
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case 'b':
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o.block_size = argtox(optarg, 1, "block size");
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o.sectors_per_cluster = 0;
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break;
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case 'c':
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o.sectors_per_cluster = argto1(optarg, 1, "sectors/cluster");
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o.block_size = 0;
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break;
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case 'e':
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o.directory_entries = argto2(optarg, 1, "directory entries");
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break;
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case 'f':
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o.floppy = optarg;
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break;
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case 'h':
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o.drive_heads = argto2(optarg, 1, "drive heads");
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break;
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case 'i':
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o.info_sector = argto2(optarg, 1, "info sector");
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break;
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case 'k':
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o.backup_sector = argto2(optarg, 1, "backup sector");
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break;
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case 'm':
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o.media_descriptor = argto1(optarg, 0, "media descriptor");
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o.media_descriptor_set = 1;
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break;
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case 'n':
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o.num_FAT = argto1(optarg, 1, "number of FATs");
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break;
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case 'o':
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o.hidden_sectors = argto4(optarg, 0, "hidden sectors");
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o.hidden_sectors_set = 1;
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break;
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case 'r':
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o.reserved_sectors = argto2(optarg, 1, "reserved sectors");
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break;
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case 's':
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o.size = argto4(optarg, 1, "file system size");
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break;
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case 'T':
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o.timestamp_set = 1;
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o.timestamp = get_tstamp(optarg);
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break;
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case 'u':
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o.sectors_per_track = argto2(optarg, 1, "sectors/track");
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc < 1 || argc > 2)
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usage();
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if (o.align) {
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if (o.reserved_sectors)
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errx(1, "align (-A) is incompatible with -r");
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}
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fname = *argv++;
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if (!o.create_size && !strchr(fname, '/')) {
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snprintf(buf, sizeof(buf), "%s%s", _PATH_DEV, fname);
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fname = buf;
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}
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dtype = *argv;
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exit(!!mkfs_msdos(fname, dtype, &o));
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}
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/*
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* Convert and check a numeric option argument.
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*/
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static u_int
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argtou(const char *arg, u_int lo, u_int hi, const char *msg)
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{
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char *s;
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u_long x;
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errno = 0;
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x = strtoul(arg, &s, 0);
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if (errno || !*arg || *s || x < lo || x > hi)
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errx(1, "%s: bad %s", arg, msg);
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return x;
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}
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/*
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* Same for off_t, with optional skmgpP suffix
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*/
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static off_t
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argtooff(const char *arg, const char *msg)
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{
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char *s;
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off_t x;
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errno = 0;
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x = strtoll(arg, &s, 0);
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/* allow at most one extra char */
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if (errno || x < 0 || (s[0] && s[1]) )
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errx(1, "%s: bad %s", arg, msg);
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if (*s) { /* the extra char is the multiplier */
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switch (*s) {
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default:
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errx(1, "%s: bad %s", arg, msg);
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/* notreached */
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case 's': /* sector */
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case 'S':
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x <<= 9; /* times 512 */
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break;
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case 'k': /* kilobyte */
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case 'K':
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x <<= 10; /* times 1024 */
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break;
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case 'm': /* megabyte */
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case 'M':
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x <<= 20; /* times 1024*1024 */
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break;
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case 'g': /* gigabyte */
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case 'G':
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x <<= 30; /* times 1024*1024*1024 */
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break;
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case 'p': /* partition start */
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case 'P':
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case 'l': /* partition length */
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case 'L':
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errx(1, "%s: not supported yet %s", arg, msg);
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/* notreached */
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}
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}
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return x;
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}
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/*
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* Print usage message.
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*/
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: %s [ -options ] special [disktype]\n", getprogname());
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fprintf(stderr, "where the options are:\n");
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static struct {
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char o;
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const char *h;
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} opts[] = {
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#define AOPT(_opt, _type, _name, _min, _desc) { _opt, _desc },
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ALLOPTS
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#undef AOPT
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};
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for (size_t i = 0; i < nitems(opts); i++)
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fprintf(stderr, "\t-%c %s\n", opts[i].o, opts[i].h);
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exit(1);
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}
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