Commit | Line | Data |
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2f939ddd | 1 | /* Convert files for Emacs Hexl mode. |
ab422c4d | 2 | Copyright (C) 1989, 2001-2013 Free Software Foundation, Inc. |
eedcb417 GM |
3 | |
4 | Author: Keith Gabryelski | |
5 | (according to authors.el) | |
2f939ddd RS |
6 | |
7 | This file is not considered part of GNU Emacs. | |
8 | ||
294981c7 | 9 | This program is free software: you can redistribute it and/or modify |
2f939ddd | 10 | it under the terms of the GNU General Public License as published by |
294981c7 GM |
11 | the Free Software Foundation, either version 3 of the License, or |
12 | (at your option) any later version. | |
2f939ddd RS |
13 | |
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
294981c7 GM |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
21 | ||
2f939ddd | 22 | |
0072414b | 23 | #include <config.h> |
0072414b | 24 | |
bdf34e49 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
eac1956a | 27 | #ifdef DOS_NT |
20333561 | 28 | #include <fcntl.h> |
659d3b43 RS |
29 | #if __DJGPP__ >= 2 |
30 | #include <io.h> | |
31 | #endif | |
20333561 | 32 | #endif |
eac1956a RS |
33 | #ifdef WINDOWSNT |
34 | #include <io.h> | |
35 | #endif | |
bdf34e49 JB |
36 | |
37 | #define DEFAULT_GROUPING 0x01 | |
38 | #define DEFAULT_BASE 16 | |
39 | ||
40 | #undef TRUE | |
41 | #undef FALSE | |
42 | #define TRUE (1) | |
43 | #define FALSE (0) | |
44 | ||
bdf34e49 JB |
45 | int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1; |
46 | int group_by = DEFAULT_GROUPING; | |
47 | char *progname; | |
48 | ||
845ca893 | 49 | _Noreturn void usage (void); |
340ff9de DM |
50 | |
51 | int | |
873fbd0b | 52 | main (int argc, char **argv) |
bdf34e49 | 53 | { |
20333561 RS |
54 | register long address; |
55 | char string[18]; | |
56 | FILE *fp; | |
57 | ||
58 | progname = *argv++; --argc; | |
59 | ||
60 | /* | |
61 | ** -hex hex dump | |
62 | ** -oct Octal dump | |
63 | ** -group-by-8-bits | |
64 | ** -group-by-16-bits | |
65 | ** -group-by-32-bits | |
66 | ** -group-by-64-bits | |
67 | ** -iso iso character set. | |
68 | ** -big-endian Big Endian | |
69 | ** -little-endian Little Endian | |
70 | ** -un || -de from hexl format to binary. | |
71 | ** -- End switch list. | |
72 | ** <filename> dump filename | |
73 | ** - (as filename == stdin) | |
74 | */ | |
80b2cbf2 | 75 | |
20333561 | 76 | while (*argv && *argv[0] == '-' && (*argv)[1]) |
bdf34e49 | 77 | { |
20333561 RS |
78 | /* A switch! */ |
79 | if (!strcmp (*argv, "--")) | |
bdf34e49 | 80 | { |
20333561 RS |
81 | --argc; argv++; |
82 | break; | |
83 | } | |
84 | else if (!strcmp (*argv, "-un") || !strcmp (*argv, "-de")) | |
bdf34e49 | 85 | { |
20333561 RS |
86 | un_flag = TRUE; |
87 | --argc; argv++; | |
88 | } | |
89 | else if (!strcmp (*argv, "-hex")) | |
bdf34e49 | 90 | { |
20333561 RS |
91 | base = 16; |
92 | --argc; argv++; | |
93 | } | |
94 | else if (!strcmp (*argv, "-iso")) | |
bdf34e49 | 95 | { |
20333561 RS |
96 | iso_flag = TRUE; |
97 | --argc; argv++; | |
98 | } | |
99 | else if (!strcmp (*argv, "-oct")) | |
bdf34e49 | 100 | { |
20333561 RS |
101 | base = 8; |
102 | --argc; argv++; | |
103 | } | |
104 | else if (!strcmp (*argv, "-big-endian")) | |
bdf34e49 | 105 | { |
20333561 RS |
106 | endian = 1; |
107 | --argc; argv++; | |
108 | } | |
109 | else if (!strcmp (*argv, "-little-endian")) | |
bdf34e49 | 110 | { |
20333561 RS |
111 | endian = 0; |
112 | --argc; argv++; | |
113 | } | |
114 | else if (!strcmp (*argv, "-group-by-8-bits")) | |
bdf34e49 | 115 | { |
20333561 RS |
116 | group_by = 0x00; |
117 | --argc; argv++; | |
118 | } | |
119 | else if (!strcmp (*argv, "-group-by-16-bits")) | |
bdf34e49 | 120 | { |
20333561 RS |
121 | group_by = 0x01; |
122 | --argc; argv++; | |
123 | } | |
124 | else if (!strcmp (*argv, "-group-by-32-bits")) | |
bdf34e49 | 125 | { |
20333561 RS |
126 | group_by = 0x03; |
127 | --argc; argv++; | |
128 | } | |
129 | else if (!strcmp (*argv, "-group-by-64-bits")) | |
bdf34e49 | 130 | { |
20333561 RS |
131 | group_by = 0x07; |
132 | endian = 0; | |
133 | --argc; argv++; | |
134 | } | |
135 | else | |
bdf34e49 | 136 | { |
20333561 RS |
137 | fprintf (stderr, "%s: invalid switch: \"%s\".\n", progname, |
138 | *argv); | |
139 | usage (); | |
bdf34e49 JB |
140 | } |
141 | } | |
142 | ||
20333561 | 143 | do |
bdf34e49 | 144 | { |
20333561 RS |
145 | if (*argv == NULL) |
146 | fp = stdin; | |
147 | else | |
bdf34e49 | 148 | { |
20333561 | 149 | char *filename = *argv++; |
bdf34e49 | 150 | |
20333561 RS |
151 | if (!strcmp (filename, "-")) |
152 | fp = stdin; | |
153 | else if ((fp = fopen (filename, "r")) == NULL) | |
154 | { | |
155 | perror (filename); | |
156 | continue; | |
157 | } | |
bdf34e49 JB |
158 | } |
159 | ||
20333561 | 160 | if (un_flag) |
bdf34e49 | 161 | { |
20333561 | 162 | char buf[18]; |
bdf34e49 | 163 | |
eac1956a RS |
164 | #ifdef DOS_NT |
165 | #if (__DJGPP__ >= 2) || (defined WINDOWSNT) | |
3f5b4e35 RS |
166 | if (!isatty (fileno (stdout))) |
167 | setmode (fileno (stdout), O_BINARY); | |
659d3b43 | 168 | #else |
20333561 RS |
169 | (stdout)->_flag &= ~_IOTEXT; /* print binary */ |
170 | _setmode (fileno (stdout), O_BINARY); | |
659d3b43 | 171 | #endif |
20333561 RS |
172 | #endif |
173 | for (;;) | |
bdf34e49 | 174 | { |
4431cfb5 | 175 | register int i, c = 0, d; |
bdf34e49 | 176 | |
20333561 | 177 | #define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10) |
bdf34e49 | 178 | |
9055082e PE |
179 | /* Skip 10 bytes. */ |
180 | if (fread (buf, 1, 10, fp) != 10) | |
181 | break; | |
bdf34e49 | 182 | |
20333561 | 183 | for (i=0; i < 16; ++i) |
bdf34e49 | 184 | { |
20333561 RS |
185 | if ((c = getc (fp)) == ' ' || c == EOF) |
186 | break; | |
bdf34e49 | 187 | |
20333561 RS |
188 | d = getc (fp); |
189 | c = hexchar (c) * 0x10 + hexchar (d); | |
190 | putchar (c); | |
bdf34e49 | 191 | |
20333561 RS |
192 | if ((i&group_by) == group_by) |
193 | getc (fp); | |
bdf34e49 JB |
194 | } |
195 | ||
20333561 | 196 | if (c == ' ') |
bdf34e49 | 197 | { |
20333561 RS |
198 | while ((c = getc (fp)) != '\n' && c != EOF) |
199 | ; | |
bdf34e49 | 200 | |
20333561 RS |
201 | if (c == EOF) |
202 | break; | |
bdf34e49 | 203 | } |
20333561 | 204 | else |
bdf34e49 | 205 | { |
20333561 RS |
206 | if (i < 16) |
207 | break; | |
bdf34e49 | 208 | |
9055082e PE |
209 | /* Skip 18 bytes. */ |
210 | if (fread (buf, 1, 18, fp) != 18) | |
211 | break; | |
bdf34e49 JB |
212 | } |
213 | } | |
214 | } | |
20333561 | 215 | else |
bdf34e49 | 216 | { |
eac1956a RS |
217 | #ifdef DOS_NT |
218 | #if (__DJGPP__ >= 2) || (defined WINDOWSNT) | |
3f5b4e35 RS |
219 | if (!isatty (fileno (fp))) |
220 | setmode (fileno (fp), O_BINARY); | |
659d3b43 | 221 | #else |
20333561 RS |
222 | (fp)->_flag &= ~_IOTEXT; /* read binary */ |
223 | _setmode (fileno (fp), O_BINARY); | |
659d3b43 | 224 | #endif |
20333561 RS |
225 | #endif |
226 | address = 0; | |
227 | string[0] = ' '; | |
228 | string[17] = '\0'; | |
229 | for (;;) | |
bdf34e49 | 230 | { |
4431cfb5 | 231 | register int i, c = 0; |
bdf34e49 | 232 | |
20333561 | 233 | for (i=0; i < 16; ++i) |
bdf34e49 | 234 | { |
20333561 | 235 | if ((c = getc (fp)) == EOF) |
bdf34e49 | 236 | { |
20333561 RS |
237 | if (!i) |
238 | break; | |
bdf34e49 | 239 | |
20333561 RS |
240 | fputs (" ", stdout); |
241 | string[i+1] = '\0'; | |
bdf34e49 | 242 | } |
20333561 | 243 | else |
bdf34e49 | 244 | { |
20333561 | 245 | if (!i) |
345a935c | 246 | printf ("%08lx: ", address); |
bdf34e49 | 247 | |
20333561 RS |
248 | if (iso_flag) |
249 | string[i+1] = | |
250 | (c < 0x20 || (c >= 0x7F && c < 0xa0)) ? '.' :c; | |
251 | else | |
252 | string[i+1] = (c < 0x20 || c >= 0x7F) ? '.' : c; | |
bdf34e49 | 253 | |
20333561 | 254 | printf ("%02x", c); |
bdf34e49 JB |
255 | } |
256 | ||
20333561 RS |
257 | if ((i&group_by) == group_by) |
258 | putchar (' '); | |
bdf34e49 JB |
259 | } |
260 | ||
20333561 RS |
261 | if (i) |
262 | puts (string); | |
bdf34e49 | 263 | |
20333561 RS |
264 | if (c == EOF) |
265 | break; | |
bdf34e49 | 266 | |
20333561 | 267 | address += 0x10; |
bdf34e49 JB |
268 | |
269 | } | |
270 | } | |
271 | ||
20333561 RS |
272 | if (fp != stdin) |
273 | fclose (fp); | |
bdf34e49 JB |
274 | |
275 | } while (*argv != NULL); | |
65396510 | 276 | return EXIT_SUCCESS; |
bdf34e49 JB |
277 | } |
278 | ||
340ff9de | 279 | void |
873fbd0b | 280 | usage (void) |
bdf34e49 | 281 | { |
20333561 | 282 | fprintf (stderr, "usage: %s [-de] [-iso]\n", progname); |
65396510 | 283 | exit (EXIT_FAILURE); |
bdf34e49 | 284 | } |
ab5796a9 | 285 | |
65396510 TTN |
286 | |
287 | /* hexl.c ends here */ |