Matt Mower
18794c820f
* Version 3.0.28
* Update filenames in source
* Remove unnecessary symlink to fsck
* Commit "Recode short filenames from DOS codepage (default 437)." has
been reverted since we do not have access to iconv
* Commits cherry-picked on top of 3.0.28:
- mkfs.fat: fix incorrect int type
- Prevent out of bound array read in date_dos2unix()
Change-Id: I50310235c62ec2e6bc90afcd10f2814d3afb5113
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/* fatlabel.c - User interface
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Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
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Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
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Copyright (C) 2007 Red Hat, Inc.
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Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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The complete text of the GNU General Public License
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can be found in /usr/share/common-licenses/GPL-3 file.
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*/
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#include "version.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 <stdlib.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <ctype.h>
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#include "common.h"
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#include "fsck.fat.h"
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#include "io.h"
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#include "boot.h"
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#include "fat.h"
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#include "file.h"
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#include "check.h"
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int interactive = 0, rw = 0, list = 0, test = 0, verbose = 0, write_immed = 0;
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int atari_format = 0;
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unsigned n_files = 0;
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void *mem_queue = NULL;
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static void usage(int error)
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{
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FILE *f = error ? stderr : stdout;
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int status = error ? 1 : 0;
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fprintf(f, "usage: fatlabel device [label]\n");
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exit(status);
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}
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/*
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* ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant
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* of MS-DOS filesystem by default.
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*/
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static void check_atari(void)
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{
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#ifdef __mc68000__
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FILE *f;
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char line[128], *p;
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if (!(f = fopen("/proc/hardware", "r"))) {
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perror("/proc/hardware");
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return;
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}
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while (fgets(line, sizeof(line), f)) {
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if (strncmp(line, "Model:", 6) == 0) {
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p = line + 6;
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p += strspn(p, " \t");
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if (strncmp(p, "Atari ", 6) == 0)
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atari_format = 1;
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break;
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}
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}
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fclose(f);
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#endif
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}
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int main(int argc, char *argv[])
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{
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DOS_FS fs = { 0 };
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rw = 0;
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int i;
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char *device = NULL;
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char label[12] = { 0 };
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loff_t offset;
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DIR_ENT de;
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check_atari();
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if (argc < 2 || argc > 3)
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usage(1);
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if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))
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usage(0);
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else if (!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version")) {
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printf("fatlabel " VERSION " (" VERSION_DATE ")\n");
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exit(0);
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}
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device = argv[1];
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if (argc == 3) {
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strncpy(label, argv[2], 11);
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if (strlen(argv[2]) > 11) {
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fprintf(stderr,
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"fatlabel: labels can be no longer than 11 characters\n");
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exit(1);
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}
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for (i = 0; label[i] && i < 11; i++)
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/* don't know if here should be more strict !uppercase(label[i]) */
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if (islower(label[i])) {
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fprintf(stderr,
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"fatlabel: warning - lowercase labels might not work properly with DOS or Windows\n");
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break;
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}
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rw = 1;
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}
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fs_open(device, rw);
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read_boot(&fs);
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if (fs.fat_bits == 32)
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read_fat(&fs);
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if (!rw) {
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offset = find_volume_de(&fs, &de);
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if (offset == 0)
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fprintf(stdout, "%s\n", fs.label);
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else
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fprintf(stdout, "%.8s%.3s\n", de.name, de.ext);
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exit(0);
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}
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write_label(&fs, label);
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fs_close(rw);
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return 0;
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}
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