Commit | Line | Data |
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bdf34e49 JB |
1 | #include <stdio.h> |
2 | #include <ctype.h> | |
3 | ||
4 | #define DEFAULT_GROUPING 0x01 | |
5 | #define DEFAULT_BASE 16 | |
6 | ||
7 | #undef TRUE | |
8 | #undef FALSE | |
9 | #define TRUE (1) | |
10 | #define FALSE (0) | |
11 | ||
12 | extern void exit(), perror(); | |
13 | ||
14 | int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1; | |
15 | int group_by = DEFAULT_GROUPING; | |
16 | char *progname; | |
17 | ||
18 | main(argc, argv) | |
19 | int argc; | |
20 | char *argv[]; | |
21 | { | |
22 | register long address; | |
23 | char string[18]; | |
24 | FILE *fp; | |
25 | ||
26 | progname = *argv++; --argc; | |
27 | ||
28 | /* | |
29 | ** -hex hex dump | |
30 | ** -oct Octal dump | |
31 | ** -group-by-8-bits | |
32 | ** -group-by-16-bits | |
33 | ** -group-by-32-bits | |
34 | ** -group-by-64-bits | |
35 | ** -iso iso character set. | |
36 | ** -big-endian Big Endian | |
37 | ** -little-endian Little Endian | |
38 | ** -un || -de from hexl format to binary. | |
39 | ** -- End switch list. | |
40 | ** <filename> dump filename | |
41 | ** - (as filename == stdin) | |
42 | */ | |
43 | ||
44 | while (*argv && *argv[0] == '-' && (*argv)[1]) | |
45 | { | |
46 | /* A switch! */ | |
47 | if (!strcmp(*argv, "--")) | |
48 | { | |
49 | --argc; argv++; | |
50 | break; | |
51 | } else if (!strcmp(*argv, "-un") || !strcmp(*argv, "-de")) | |
52 | { | |
53 | un_flag = TRUE; | |
54 | --argc; argv++; | |
55 | } else if (!strcmp(*argv, "-hex")) | |
56 | { | |
57 | base = 16; | |
58 | --argc; argv++; | |
59 | } else if (!strcmp(*argv, "-iso")) | |
60 | { | |
61 | iso_flag = TRUE; | |
62 | --argc; argv++; | |
63 | } else if (!strcmp(*argv, "-oct")) | |
64 | { | |
65 | base = 8; | |
66 | --argc; argv++; | |
67 | } else if (!strcmp(*argv, "-big-endian")) | |
68 | { | |
69 | endian = 1; | |
70 | --argc; argv++; | |
71 | } else if (!strcmp(*argv, "-little-endian")) | |
72 | { | |
73 | endian = 0; | |
74 | --argc; argv++; | |
75 | } else if (!strcmp(*argv, "-group-by-8-bits")) | |
76 | { | |
77 | group_by = 0x00; | |
78 | --argc; argv++; | |
79 | } else if (!strcmp(*argv, "-group-by-16-bits")) | |
80 | { | |
81 | group_by = 0x01; | |
82 | --argc; argv++; | |
83 | } else if (!strcmp(*argv, "-group-by-32-bits")) | |
84 | { | |
85 | group_by = 0x03; | |
86 | --argc; argv++; | |
87 | } else if (!strcmp(*argv, "-group-by-64-bits")) | |
88 | { | |
89 | group_by = 0x07; | |
90 | endian = 0; | |
91 | --argc; argv++; | |
92 | } else | |
93 | { | |
94 | (void) fprintf(stderr, "%s: invalid switch: \"%s\".\n", progname, | |
95 | *argv); | |
96 | usage(); | |
97 | } | |
98 | } | |
99 | ||
100 | do | |
101 | { | |
102 | if (*argv == NULL) | |
103 | fp = stdin; | |
104 | else | |
105 | { | |
106 | char *filename = *argv++; | |
107 | ||
108 | if (!strcmp(filename, "-")) | |
109 | fp = stdin; | |
110 | else | |
111 | if ((fp = fopen(filename, "r")) == NULL) | |
112 | { | |
113 | perror(filename); | |
114 | continue; | |
115 | } | |
116 | } | |
117 | ||
118 | if (un_flag) | |
119 | { | |
120 | char buf[18]; | |
121 | ||
122 | for (;;) | |
123 | { | |
124 | register int i, c, d; | |
125 | ||
126 | #define hexchar(x) (isdigit(x) ? x - '0' : x - 'a' + 10) | |
127 | ||
128 | (void) fread(buf, 1, 10, fp); /* skip 10 bytes */ | |
129 | ||
130 | for (i=0; i < 16; ++i) | |
131 | { | |
132 | if ((c = getc(fp)) == ' ' || c == EOF) | |
133 | break; | |
134 | ||
135 | d = getc(fp); | |
136 | c = hexchar(c) * 0x10 + hexchar(d); | |
137 | (void) putchar(c); | |
138 | ||
139 | if ((i&group_by) == group_by) | |
140 | (void) getc(fp); | |
141 | } | |
142 | ||
143 | if (c == ' ') | |
144 | { | |
145 | while ((c = getc(fp)) != '\n' && c != EOF) | |
146 | ; | |
147 | ||
148 | if (c == EOF) | |
149 | break; | |
150 | } | |
151 | else | |
152 | { | |
153 | if (i < 16) | |
154 | break; | |
155 | ||
156 | (void) fread(buf, 1, 18, fp); /* skip 18 bytes */ | |
157 | } | |
158 | } | |
159 | } | |
160 | else | |
161 | { | |
162 | address = 0; | |
163 | string[0] = ' '; | |
164 | string[17] = '\0'; | |
165 | for (;;) | |
166 | { | |
167 | register int i, c; | |
168 | ||
169 | for (i=0; i < 16; ++i) | |
170 | { | |
171 | if ((c = getc(fp)) == EOF) | |
172 | { | |
173 | if (!i) | |
174 | break; | |
175 | ||
176 | (void) fputs(" ", stdout); | |
177 | string[i+1] = '\0'; | |
178 | } | |
179 | else | |
180 | { | |
181 | if (!i) | |
182 | (void) printf("%08x: ", address); | |
183 | ||
184 | if (iso_flag) | |
185 | string[i+1] = | |
186 | (c < 0x20 || (c >= 0x7F && c < 0xa0)) ? '.' :c; | |
187 | else | |
188 | string[i+1] = (c < 0x20 || c >= 0x7F) ? '.' : c; | |
189 | ||
190 | (void) printf("%02x", c); | |
191 | } | |
192 | ||
193 | if ((i&group_by) == group_by) | |
194 | (void) putchar(' '); | |
195 | } | |
196 | ||
197 | if (i) | |
198 | (void) puts(string); | |
199 | ||
200 | if (c == EOF) | |
201 | break; | |
202 | ||
203 | address += 0x10; | |
204 | ||
205 | } | |
206 | } | |
207 | ||
208 | if (fp != stdin) | |
209 | (void) close(fp); | |
210 | ||
211 | } while (*argv != NULL); | |
212 | return 0; | |
213 | } | |
214 | ||
215 | usage() | |
216 | { | |
217 | (void) fprintf(stderr, "usage: %s [-de] [-iso]\n", progname); | |
218 | exit(1); | |
219 | } |