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/* fatlabel.c - User interface
Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
Copyright (C) 2007 Red Hat, Inc.
Copyright (C) 2008-2013 Daniel Baumann <mail@daniel-baumann.ch>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL-3 file.
*/
#include "version.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <ctype.h>
#include "common.h"
#include "fsck.fat.h"
#include "io.h"
#include "boot.h"
#include "fat.h"
#include "file.h"
#include "check.h"
int interactive = 0, rw = 0, list = 0, test = 0, verbose = 0, write_immed = 0;
int atari_format = 0;
unsigned n_files = 0;
void *mem_queue = NULL;
static void usage(int error)
{
FILE *f = error ? stderr : stdout;
int status = error ? 1 : 0;
fprintf(f, "usage: fatlabel device [label]\n");
exit(status);
}
/*
* ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant
* of MS-DOS filesystem by default.
*/
static void check_atari(void)
{
#ifdef __mc68000__
FILE *f;
char line[128], *p;
if (!(f = fopen("/proc/hardware", "r"))) {
perror("/proc/hardware");
return;
}
while (fgets(line, sizeof(line), f)) {
if (strncmp(line, "Model:", 6) == 0) {
p = line + 6;
p += strspn(p, " \t");
if (strncmp(p, "Atari ", 6) == 0)
atari_format = 1;
break;
}
}
fclose(f);
#endif
}
int main(int argc, char *argv[])
{
DOS_FS fs = { 0 };
rw = 0;
int i;
char *device = NULL;
char label[12] = { 0 };
loff_t offset;
DIR_ENT de;
check_atari();
if (argc < 2 || argc > 3)
usage(1);
if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))
usage(0);
else if (!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version")) {
printf("fatlabel " VERSION ", " VERSION_DATE ", FAT32, LFN\n");
exit(0);
}
device = argv[1];
if (argc == 3) {
strncpy(label, argv[2], 11);
if (strlen(argv[2]) > 11) {
fprintf(stderr,
"fatlabel: labels can be no longer than 11 characters\n");
exit(1);
}
for (i = 0; label[i] && i < 11; i++)
/* don't know if here should be more strict !uppercase(label[i]) */
if (islower(label[i])) {
fprintf(stderr,
"fatlabel: labels cannot contain lower case characters\n");
exit(1);
}
rw = 1;
}
fs_open(device, rw);
read_boot(&fs);
if (fs.fat_bits == 32)
read_fat(&fs);
if (!rw) {
offset = find_volume_de(&fs, &de);
if (offset == 0)
fprintf(stdout, "%s\n", fs.label);
else
fprintf(stdout, "%.8s%.3s\n", de.name, de.ext);
exit(0);
}
write_label(&fs, label);
fs_close(rw);
return 0;
}
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