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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/* vi: set sw=4 ts=4: */
/*
* od implementation for busybox
* Based on code from util-linux v 2.11l
*
* Copyright (c) 1990
* The Regents of the University of California. All rights reserved.
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
* Original copyright notice is retained at the end of this file.
*/
#include "busybox.h"
#if ENABLE_DESKTOP
/* This one provides -t (busybox's own build script needs it) */
#include "od_bloaty.c"
#else
#include <getopt.h>
#include "dump.h"
#define isdecdigit(c) isdigit(c)
#define ishexdigit(c) (isxdigit)(c)
static void
odoffset(int argc, char ***argvp)
{
char *num, *p;
int base;
char *end;
/*
* The offset syntax of od(1) was genuinely bizarre. First, if
* it started with a plus it had to be an offset. Otherwise, if
* there were at least two arguments, a number or lower-case 'x'
* followed by a number makes it an offset. By default it was
* octal; if it started with 'x' or '0x' it was hex. If it ended
* in a '.', it was decimal. If a 'b' or 'B' was appended, it
* multiplied the number by 512 or 1024 byte units. There was
* no way to assign a block count to a hex offset.
*
* We assumes it's a file if the offset is bad.
*/
p = **argvp;
if (!p) {
/* hey someone is probably piping to us ... */
return;
}
if ((*p != '+')
&& (argc < 2
|| (!isdecdigit(p[0])
&& ((p[0] != 'x') || !ishexdigit(p[1])))))
return;
base = 0;
/*
* bb_dump_skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
* set base.
*/
if (p[0] == '+')
++p;
if (p[0] == 'x' && ishexdigit(p[1])) {
++p;
base = 16;
} else if (p[0] == '0' && p[1] == 'x') {
p += 2;
base = 16;
}
/* bb_dump_skip over the number */
if (base == 16)
for (num = p; ishexdigit(*p); ++p);
else
for (num = p; isdecdigit(*p); ++p);
/* check for no number */
if (num == p)
return;
/* if terminates with a '.', base is decimal */
if (*p == '.') {
if (base)
return;
base = 10;
}
bb_dump_skip = strtol(num, &end, base ? base : 8);
/* if end isn't the same as p, we got a non-octal digit */
if (end != p)
bb_dump_skip = 0;
else {
if (*p) {
if (*p == 'b') {
bb_dump_skip *= 512;
++p;
} else if (*p == 'B') {
bb_dump_skip *= 1024;
++p;
}
}
if (*p)
bb_dump_skip = 0;
else {
++*argvp;
/*
* If the offset uses a non-octal base, the base of
* the offset is changed as well. This isn't pretty,
* but it's easy.
*/
#define TYPE_OFFSET 7
{
char x_or_d;
if (base == 16) {
x_or_d = 'x';
goto DO_X_OR_D;
}
if (base == 10) {
x_or_d = 'd';
DO_X_OR_D:
bb_dump_fshead->nextfu->fmt[TYPE_OFFSET]
= bb_dump_fshead->nextfs->nextfu->fmt[TYPE_OFFSET]
= x_or_d;
}
}
}
}
}
static const char * const add_strings[] = {
"16/1 \"%3_u \" \"\\n\"", /* a */
"8/2 \" %06o \" \"\\n\"", /* B, o */
"16/1 \"%03o \" \"\\n\"", /* b */
"16/1 \"%3_c \" \"\\n\"", /* c */
"8/2 \" %05u \" \"\\n\"", /* d */
"4/4 \" %010u \" \"\\n\"", /* D */
"2/8 \" %21.14e \" \"\\n\"", /* e (undocumented in od), F */
"4/4 \" %14.7e \" \"\\n\"", /* f */
"4/4 \" %08x \" \"\\n\"", /* H, X */
"8/2 \" %04x \" \"\\n\"", /* h, x */
"4/4 \" %11d \" \"\\n\"", /* I, L, l */
"8/2 \" %6d \" \"\\n\"", /* i */
"4/4 \" %011o \" \"\\n\"", /* O */
};
static const char od_opts[] = "aBbcDdeFfHhIiLlOoXxv";
static const char od_o2si[] = {
0, 1, 2, 3, 5,
4, 6, 6, 7, 8,
9, 0xa, 0xb, 0xa, 0xa,
0xb, 1, 8, 9,
};
int od_main(int argc, char **argv)
{
int ch;
int first = 1;
char *p;
bb_dump_vflag = FIRST;
bb_dump_length = -1;
while ((ch = getopt(argc, argv, od_opts)) > 0) {
if (ch == 'v') {
bb_dump_vflag = ALL;
} else if (((p = strchr(od_opts, ch)) != NULL) && (*p != '\0')) {
if (first) {
first = 0;
bb_dump_add("\"%07.7_Ao\n\"");
bb_dump_add("\"%07.7_ao \"");
} else {
bb_dump_add("\" \"");
}
bb_dump_add(add_strings[(int)od_o2si[(p-od_opts)]]);
} else { /* P, p, s, w, or other unhandled */
bb_show_usage();
}
}
if (!bb_dump_fshead) {
bb_dump_add("\"%07.7_Ao\n\"");
bb_dump_add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
}
argc -= optind;
argv += optind;
odoffset(argc, &argv);
return bb_dump_dump(argv);
}
#endif /* ENABLE_DESKTOP */
/*-
* Copyright (c) 1990 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.
* 3. 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.
*/
|
