1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/* Copyright 1999,2001,2002,2009 Alain Knaff.
* This file is part of mtools.
*
* Mtools 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.
*
* Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>.
*
* Test program for doctoring the fat
*/
#include "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#include "vfat.h"
#include "mainloop.h"
#include "plain_io.h"
#include "nameclash.h"
#include "file.h"
#include "fs.h"
#include "fsP.h"
typedef struct Arg_t {
char *target;
MainParam_t mp;
ClashHandling_t ch;
Stream_t *sourcefile;
uint32_t fat;
int markbad;
int setsize;
unsigned long size;
Fs_t *Fs;
} Arg_t;
static int dos_doctorfat(direntry_t *entry, MainParam_t *mp)
{
Fs_t *Fs = getFs(mp->File);
Arg_t *arg=(Arg_t *) mp->arg;
if(!arg->markbad && entry->entry != -3) {
/* if not root directory, change it */
set_word(entry->dir.start, arg->fat & 0xffff);
set_word(entry->dir.startHi, arg->fat >> 16);
if(arg->setsize)
set_dword(entry->dir.size, arg->size);
dir_write(entry);
}
arg->Fs = Fs;
return GOT_ONE;
}
static int unix_doctorfat(MainParam_t *mp UNUSEDP)
{
fprintf(stderr,"File does not reside on a Dos fs\n");
return ERROR_ONE;
}
static void usage(int ret) NORETURN;
static void usage(int ret)
{
fprintf(stderr,
"Mtools version %s, dated %s\n", mversion, mdate);
fprintf(stderr,
"Usage: [-b] %s file fat\n", progname);
exit(ret);
}
void mdoctorfat(int argc, char **argv, int mtype UNUSEDP) NORETURN;
void mdoctorfat(int argc, char **argv, int mtype UNUSEDP)
{
Arg_t arg;
int c, ret;
unsigned int address;
unsigned int begin, end;
char *number, *eptr;
int i;
unsigned int offset;
/* get command line options */
init_clash_handling(& arg.ch);
offset = 0;
arg.markbad = 0;
arg.setsize = 0;
/* get command line options */
if(helpFlag(argc, argv))
usage(0);
while ((c = getopt(argc, argv, "i:bo:s:h")) != EOF) {
switch (c) {
case 'i':
set_cmd_line_image(optarg);
break;
case 'b':
arg.markbad = 1;
break;
case 'o':
offset = strtoui(optarg,0,0);
break;
case 's':
arg.setsize=1;
arg.size = strtoul(optarg,0,0);
break;
case 'h':
usage(0);
case '?':
usage(1);
}
}
if (argc - optind < 2)
usage(1);
/* only 1 file to copy... */
init_mp(&arg.mp);
arg.mp.arg = (void *) &arg;
arg.mp.callback = dos_doctorfat;
arg.mp.unixcallback = unix_doctorfat;
arg.mp.lookupflags = ACCEPT_PLAIN | ACCEPT_DIR | DO_OPEN;
arg.mp.openflags = O_RDWR;
arg.fat = strtoui(argv[optind+1], 0, 0) + offset;
ret=main_loop(&arg.mp, argv + optind, 1);
if(ret)
exit(ret);
address = 0;
for(i=optind+1; i < argc; i++) {
unsigned int j;
number = argv[i];
if (*number == '<') {
number++;
}
begin = strtoui(number, &eptr, 0);
if (eptr && *eptr == '-') {
number = eptr+1;
end = strtoui(number, &eptr, 0);
} else {
end = begin;
}
if (eptr == number) {
fprintf(stderr, "Not a number: %s\n", number);
exit(-1);
}
if (eptr && *eptr == '>') {
eptr++;
}
if (eptr && *eptr) {
fprintf(stderr, "Not a number: %s\n", eptr);
exit(-1);
}
for (j=begin; j <= end; j++) {
if(arg.markbad) {
arg.Fs->fat_encode(arg.Fs, j+offset, arg.Fs->last_fat ^ 6 ^ 8);
} else {
if(address) {
arg.Fs->fat_encode(arg.Fs, address, j+offset);
}
address = j+offset;
}
}
}
if (address && !arg.markbad) {
arg.Fs->fat_encode(arg.Fs, address, arg.Fs->end_fat);
}
exit(ret);
}
|
