diff options
Diffstat (limited to 'busybox/util-linux/hexdump.c')
-rw-r--r-- | busybox/util-linux/hexdump.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/busybox/util-linux/hexdump.c b/busybox/util-linux/hexdump.c new file mode 100644 index 000000000..1858b08d4 --- /dev/null +++ b/busybox/util-linux/hexdump.c | |||
@@ -0,0 +1,142 @@ | |||
1 | /* | ||
2 | * hexdump implementation for busybox | ||
3 | * Based on code from util-linux v 2.11l | ||
4 | * | ||
5 | * Copyright (c) 1989 | ||
6 | * The Regents of the University of California. All rights reserved. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 | * | ||
22 | * Original copyright notice is retained at the end of this file. | ||
23 | */ | ||
24 | |||
25 | #include <getopt.h> | ||
26 | #include <stdlib.h> | ||
27 | #include <string.h> | ||
28 | #include "busybox.h" | ||
29 | #include "dump.h" | ||
30 | |||
31 | static void bb_dump_addfile(char *name) | ||
32 | { | ||
33 | register char *p; | ||
34 | FILE *fp; | ||
35 | char *buf; | ||
36 | |||
37 | fp = bb_xfopen(name, "r"); | ||
38 | |||
39 | while ((buf = bb_get_chomped_line_from_file(fp)) != NULL) { | ||
40 | p = (char *) bb_skip_whitespace(buf); | ||
41 | |||
42 | if (*p && (*p != '#')) { | ||
43 | bb_dump_add(p); | ||
44 | } | ||
45 | free(buf); | ||
46 | } | ||
47 | fclose(fp); | ||
48 | } | ||
49 | |||
50 | static const char * const add_strings[] = { | ||
51 | "\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"", /* b */ | ||
52 | "\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"", /* c */ | ||
53 | "\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"", /* d */ | ||
54 | "\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"", /* o */ | ||
55 | "\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"", /* x */ | ||
56 | }; | ||
57 | |||
58 | static const char add_first[] = "\"%07.7_Ax\n\""; | ||
59 | |||
60 | static const char hexdump_opts[] = "bcdoxe:f:n:s:v"; | ||
61 | |||
62 | static const struct suffix_mult suffixes[] = { | ||
63 | {"b", 512 }, | ||
64 | {"k", 1024 }, | ||
65 | {"m", 1024*1024 }, | ||
66 | {NULL, 0 } | ||
67 | }; | ||
68 | |||
69 | int hexdump_main(int argc, char **argv) | ||
70 | { | ||
71 | // register FS *tfs; | ||
72 | const char *p; | ||
73 | int ch; | ||
74 | |||
75 | bb_dump_vflag = FIRST; | ||
76 | bb_dump_length = -1; | ||
77 | |||
78 | while ((ch = getopt(argc, argv, hexdump_opts)) > 0) { | ||
79 | if ((p = strchr(hexdump_opts, ch)) != NULL) { | ||
80 | if ((p - hexdump_opts) < 5) { | ||
81 | bb_dump_add(add_first); | ||
82 | bb_dump_add(add_strings[(int)(p - hexdump_opts)]); | ||
83 | } else { | ||
84 | /* Sae a little bit of space below by omitting the 'else's. */ | ||
85 | if (ch == 'e') { | ||
86 | bb_dump_add(optarg); | ||
87 | } /* else */ | ||
88 | if (ch == 'f') { | ||
89 | bb_dump_addfile(optarg); | ||
90 | } /* else */ | ||
91 | if (ch == 'n') { | ||
92 | bb_dump_length = bb_xgetularg10_bnd(optarg, 0, INT_MAX); | ||
93 | } /* else */ | ||
94 | if (ch == 's') { | ||
95 | bb_dump_skip = bb_xgetularg_bnd_sfx(optarg, 10, 0, LONG_MAX, suffixes); | ||
96 | } /* else */ | ||
97 | if (ch == 'v') { | ||
98 | bb_dump_vflag = ALL; | ||
99 | } | ||
100 | } | ||
101 | } else { | ||
102 | bb_show_usage(); | ||
103 | } | ||
104 | } | ||
105 | |||
106 | if (!bb_dump_fshead) { | ||
107 | bb_dump_add(add_first); | ||
108 | bb_dump_add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\""); | ||
109 | } | ||
110 | |||
111 | argv += optind; | ||
112 | |||
113 | return(bb_dump_dump(argv)); | ||
114 | } | ||
115 | /* | ||
116 | * Copyright (c) 1989 The Regents of the University of California. | ||
117 | * All rights reserved. | ||
118 | * | ||
119 | * Redistribution and use in source and binary forms, with or without | ||
120 | * modification, are permitted provided that the following conditions | ||
121 | * are met: | ||
122 | * 1. Redistributions of source code must retain the above copyright | ||
123 | * notice, this list of conditions and the following disclaimer. | ||
124 | * 2. Redistributions in binary form must reproduce the above copyright | ||
125 | * notice, this list of conditions and the following disclaimer in the | ||
126 | * documentation and/or other materials provided with the distribution. | ||
127 | * 3. Neither the name of the University nor the names of its contributors | ||
128 | * may be used to endorse or promote products derived from this software | ||
129 | * without specific prior written permission. | ||
130 | * | ||
131 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
132 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
133 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
134 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
135 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
136 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
137 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
138 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
139 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
140 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
141 | * SUCH DAMAGE. | ||
142 | */ | ||