Mercurial > vim
annotate src/xxd/xxd.c @ 6905:d973e23c3bf8 v7.4.772
patch 7.4.772
Problem: Racket 6.2 is not supported on MS-Windows.
Solution: Check for the "racket" subdirectory. (Weiyong Mao)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Fri, 10 Jul 2015 16:12:48 +0200 |
parents | 6c94cedccda4 |
children | 7b35ee02b3c5 |
rev | line source |
---|---|
7 | 1 /* xxd: my hexdump facility. jw |
2 * | |
3 * 2.10.90 changed to word output | |
4 * 3.03.93 new indent style, dumb bug inserted and fixed. | |
5 * -c option, mls | |
6 * 26.04.94 better option parser, -ps, -l, -s added. | |
7 * 1.07.94 -r badly needs - as input file. Per default autoskip over | |
1197 | 8 * consecutive lines of zeroes, as unix od does. |
7 | 9 * -a shows them too. |
10 * -i dump as c-style #include "file.h" | |
11 * 1.11.95 if "xxd -i" knows the filename, an 'unsigned char filename_bits[]' | |
12 * array is written in correct c-syntax. | |
13 * -s improved, now defaults to absolute seek, relative requires a '+'. | |
14 * -r improved, now -r -s -0x... is supported. | |
15 * change/suppress leading '\0' bytes. | |
16 * -l n improved: stops exactly after n bytes. | |
17 * -r improved, better handling of partial lines with trailing garbage. | |
18 * -r improved, now -r -p works again! | |
19 * -r improved, less flushing, much faster now! (that was silly) | |
20 * 3.04.96 Per repeated request of a single person: autoskip defaults to off. | |
21 * 15.05.96 -v added. They want to know the version. | |
22 * -a fixed, to show last line inf file ends in all zeros. | |
23 * -u added: Print upper case hex-letters, as preferred by unix bc. | |
24 * -h added to usage message. Usage message extended. | |
25 * Now using outfile if specified even in normal mode, aehem. | |
26 * No longer mixing of ints and longs. May help doze people. | |
27 * Added binify ioctl for same reason. (Enough Doze stress for 1996!) | |
28 * 16.05.96 -p improved, removed occasional superfluous linefeed. | |
29 * 20.05.96 -l 0 fixed. tried to read anyway. | |
30 * 21.05.96 -i fixed. now honours -u, and prepends __ to numeric filenames. | |
31 * compile -DWIN32 for NT or W95. George V. Reilly, * -v improved :-) | |
32 * support --gnuish-longhorn-options | |
33 * 25.05.96 MAC support added: CodeWarrior already uses ``outline'' in Types.h | |
34 * which is included by MacHeaders (Axel Kielhorn). Renamed to | |
35 * xxdline(). | |
36 * 7.06.96 -i printed 'int' instead of 'char'. *blush* | |
37 * added Bram's OS2 ifdefs... | |
38 * 18.07.96 gcc -Wall @ SunOS4 is now slient. | |
39 * Added osver for MSDOS/DJGPP/WIN32. | |
40 * 29.08.96 Added size_t to strncmp() for Amiga. | |
41 * 24.03.97 Windows NT support (Phil Hanna). Clean exit for Amiga WB (Bram) | |
42 * 02.04.97 Added -E option, to have EBCDIC translation instead of ASCII | |
216 | 43 * (azc10@yahoo.com) |
7 | 44 * 22.05.97 added -g (group octets) option (jcook@namerica.kla.com). |
45 * 23.09.98 nasty -p -r misfeature fixed: slightly wrong output, when -c was | |
46 * missing or wrong. | |
47 * 26.09.98 Fixed: 'xxd -i infile outfile' did not truncate outfile. | |
48 * 27.10.98 Fixed: -g option parser required blank. | |
49 * option -b added: 01000101 binary output in normal format. | |
50 * 16.05.00 Added VAXC changes by Stephen P. Wall | |
1197 | 51 * 16.05.00 Improved MMS file and merge for VMS by Zoltan Arpadffy |
2752 | 52 * 2011 March Better error handling by Florian Zumbiehl. |
53 * 2011 April Formatting by Bram Moolenaar | |
6655 | 54 * 08.06.2013 Little-endian hexdump (-e) and offset (-o) by Vadim Vygonets. |
7 | 55 * |
56 * (c) 1990-1998 by Juergen Weigert (jnweiger@informatik.uni-erlangen.de) | |
57 * | |
58 * Small changes made afterwards by Bram Moolenaar et al. | |
59 * | |
60 * Distribute freely and credit me, | |
61 * make money and share with me, | |
62 * lose money and don't ask me. | |
63 */ | |
714 | 64 |
65 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */ | |
66 #if _MSC_VER >= 1400 | |
67 # define _CRT_SECURE_NO_DEPRECATE | |
68 # define _CRT_NONSTDC_NO_DEPRECATE | |
69 #endif | |
1912 | 70 #if !defined(CYGWIN) && (defined(CYGWIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__)) |
71 # define CYGWIN | |
72 #endif | |
714 | 73 |
7 | 74 #include <stdio.h> |
75 #ifdef VAXC | |
76 # include <file.h> | |
77 #else | |
78 # include <fcntl.h> | |
79 #endif | |
80 #ifdef __TSC__ | |
81 # define MSDOS | |
82 #endif | |
83 #if !defined(OS2) && defined(__EMX__) | |
84 # define OS2 | |
85 #endif | |
1912 | 86 #if defined(MSDOS) || defined(WIN32) || defined(OS2) || defined(__BORLANDC__) \ |
87 || defined(CYGWIN) | |
7 | 88 # include <io.h> /* for setmode() */ |
89 #else | |
90 # ifdef UNIX | |
91 # include <unistd.h> | |
92 # endif | |
93 #endif | |
94 #include <stdlib.h> | |
95 #include <string.h> /* for strncmp() */ | |
96 #include <ctype.h> /* for isalnum() */ | |
97 #if __MWERKS__ && !defined(BEBOX) | |
98 # include <unix.h> /* for fdopen() on MAC */ | |
99 #endif | |
100 | |
101 #if defined(__BORLANDC__) && __BORLANDC__ <= 0x0410 && !defined(fileno) | |
102 /* Missing define and prototype grabbed from the BC 4.0 <stdio.h> */ | |
103 # define fileno(f) ((f)->fd) | |
104 FILE _FAR *_Cdecl _FARFUNC fdopen(int __handle, char _FAR *__type); | |
105 #endif | |
106 | |
107 | |
108 /* This corrects the problem of missing prototypes for certain functions | |
109 * in some GNU installations (e.g. SunOS 4.1.x). | |
110 * Darren Hiebert <darren@hmi.com> (sparc-sun-sunos4.1.3_U1/2.7.2.2) | |
111 */ | |
112 #if defined(__GNUC__) && defined(__STDC__) | |
113 # ifndef __USE_FIXED_PROTOTYPES__ | |
114 # define __USE_FIXED_PROTOTYPES__ | |
115 # endif | |
116 #endif | |
117 | |
118 #ifndef __USE_FIXED_PROTOTYPES__ | |
119 /* | |
120 * This is historic and works only if the compiler really has no prototypes: | |
121 * | |
122 * Include prototypes for Sun OS 4.x, when using an ANSI compiler. | |
123 * FILE is defined on OS 4.x, not on 5.x (Solaris). | |
124 * if __SVR4 is defined (some Solaris versions), don't include this. | |
125 */ | |
126 #if defined(sun) && defined(FILE) && !defined(__SVR4) && defined(__STDC__) | |
127 # define __P(a) a | |
128 /* excerpt from my sun_stdlib.h */ | |
129 extern int fprintf __P((FILE *, char *, ...)); | |
130 extern int fputs __P((char *, FILE *)); | |
131 extern int _flsbuf __P((unsigned char, FILE *)); | |
132 extern int _filbuf __P((FILE *)); | |
133 extern int fflush __P((FILE *)); | |
134 extern int fclose __P((FILE *)); | |
135 extern int fseek __P((FILE *, long, int)); | |
136 extern int rewind __P((FILE *)); | |
137 | |
138 extern void perror __P((char *)); | |
139 # endif | |
140 #endif | |
141 | |
142 extern long int strtol(); | |
143 extern long int ftell(); | |
144 | |
145 char version[] = "xxd V1.10 27oct98 by Juergen Weigert"; | |
146 #ifdef WIN32 | |
147 char osver[] = " (Win32)"; | |
148 #else | |
149 # ifdef DJGPP | |
150 char osver[] = " (dos 32 bit)"; | |
151 # else | |
152 # ifdef MSDOS | |
153 char osver[] = " (dos 16 bit)"; | |
154 # else | |
155 char osver[] = ""; | |
156 # endif | |
157 # endif | |
158 #endif | |
159 | |
602 | 160 #if defined(MSDOS) || defined(WIN32) || defined(OS2) |
7 | 161 # define BIN_READ(yes) ((yes) ? "rb" : "rt") |
162 # define BIN_WRITE(yes) ((yes) ? "wb" : "wt") | |
163 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT) | |
164 # define BIN_ASSIGN(fp, yes) setmode(fileno(fp), (yes) ? O_BINARY : O_TEXT) | |
602 | 165 # define PATH_SEP '\\' |
166 #elif defined(CYGWIN) | |
167 # define BIN_READ(yes) ((yes) ? "rb" : "rt") | |
168 # define BIN_WRITE(yes) ((yes) ? "wb" : "w") | |
169 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT) | |
170 # define BIN_ASSIGN(fp, yes) ((yes) ? (void) setmode(fileno(fp), O_BINARY) : (void) (fp)) | |
171 # define PATH_SEP '/' | |
7 | 172 #else |
173 # ifdef VMS | |
174 # define BIN_READ(dummy) "r" | |
175 # define BIN_WRITE(dummy) "w" | |
176 # define BIN_CREAT(dummy) O_CREAT | |
177 # define BIN_ASSIGN(fp, dummy) fp | |
178 # define PATH_SEP ']' | |
179 # define FILE_SEP '.' | |
180 # else | |
181 # define BIN_READ(dummy) "r" | |
182 # define BIN_WRITE(dummy) "w" | |
183 # define BIN_CREAT(dummy) O_CREAT | |
184 # define BIN_ASSIGN(fp, dummy) fp | |
185 # define PATH_SEP '/' | |
186 # endif | |
187 #endif | |
188 | |
189 /* open has only to arguments on the Mac */ | |
190 #if __MWERKS__ | |
191 # define OPEN(name, mode, umask) open(name, mode) | |
192 #else | |
193 # define OPEN(name, mode, umask) open(name, mode, umask) | |
194 #endif | |
195 | |
196 #ifdef AMIGA | |
197 # define STRNCMP(s1, s2, l) strncmp(s1, s2, (size_t)l) | |
198 #else | |
199 # define STRNCMP(s1, s2, l) strncmp(s1, s2, l) | |
200 #endif | |
201 | |
202 #ifndef __P | |
203 # if defined(__STDC__) || defined(MSDOS) || defined(WIN32) || defined(OS2) \ | |
204 || defined(__BORLANDC__) | |
205 # define __P(a) a | |
206 # else | |
207 # define __P(a) () | |
208 # endif | |
209 #endif | |
210 | |
211 /* Let's collect some prototypes */ | |
212 /* CodeWarrior is really picky about missing prototypes */ | |
2752 | 213 static void exit_with_usage __P((void)); |
2754 | 214 static void die __P((int)); |
2752 | 215 static int huntype __P((FILE *, FILE *, FILE *, int, int, long)); |
7 | 216 static void xxdline __P((FILE *, char *, int)); |
217 | |
218 #define TRY_SEEK /* attempt to use lseek, or skip forward by reading */ | |
219 #define COLS 256 /* change here, if you ever need more columns */ | |
6655 | 220 #define LLEN (12 + (9*COLS-1) + COLS + 2) |
7 | 221 |
222 char hexxa[] = "0123456789abcdef0123456789ABCDEF", *hexx = hexxa; | |
223 | |
224 /* the different hextypes known by this program: */ | |
225 #define HEX_NORMAL 0 | |
226 #define HEX_POSTSCRIPT 1 | |
227 #define HEX_CINCLUDE 2 | |
228 #define HEX_BITS 3 /* not hex a dump, but bits: 01111001 */ | |
6655 | 229 #define HEX_LITTLEENDIAN 4 |
7 | 230 |
2752 | 231 static char *pname; |
232 | |
233 static void | |
234 exit_with_usage() | |
7 | 235 { |
236 fprintf(stderr, "Usage:\n %s [options] [infile [outfile]]\n", pname); | |
237 fprintf(stderr, " or\n %s -r [-s [-]offset] [-c cols] [-ps] [infile [outfile]]\n", pname); | |
238 fprintf(stderr, "Options:\n"); | |
239 fprintf(stderr, " -a toggle autoskip: A single '*' replaces nul-lines. Default off.\n"); | |
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240 fprintf(stderr, " -b binary digit dump (incompatible with -ps,-i,-r). Default hex.\n"); |
7 | 241 fprintf(stderr, " -c cols format <cols> octets per line. Default 16 (-i: 12, -ps: 30).\n"); |
242 fprintf(stderr, " -E show characters in EBCDIC. Default ASCII.\n"); | |
6655 | 243 fprintf(stderr, " -e little-endian dump (incompatible with -ps,-i,-r).\n"); |
244 fprintf(stderr, " -g number of octets per group in normal output. Default 2 (-e: 4).\n"); | |
7 | 245 fprintf(stderr, " -h print this summary.\n"); |
246 fprintf(stderr, " -i output in C include file style.\n"); | |
247 fprintf(stderr, " -l len stop after <len> octets.\n"); | |
6655 | 248 fprintf(stderr, " -o off add <off> to the displayed file position.\n"); |
7 | 249 fprintf(stderr, " -ps output in postscript plain hexdump style.\n"); |
250 fprintf(stderr, " -r reverse operation: convert (or patch) hexdump into binary.\n"); | |
251 fprintf(stderr, " -r -s off revert with <off> added to file positions found in hexdump.\n"); | |
252 fprintf(stderr, " -s %sseek start at <seek> bytes abs. %sinfile offset.\n", | |
253 #ifdef TRY_SEEK | |
254 "[+][-]", "(or +: rel.) "); | |
255 #else | |
256 "", ""); | |
257 #endif | |
258 fprintf(stderr, " -u use upper case hex letters.\n"); | |
259 fprintf(stderr, " -v show version: \"%s%s\".\n", version, osver); | |
260 exit(1); | |
261 } | |
262 | |
2752 | 263 static void |
264 die(ret) | |
265 int ret; | |
266 { | |
267 fprintf(stderr, "%s: ", pname); | |
268 perror(NULL); | |
269 exit(ret); | |
270 } | |
271 | |
7 | 272 /* |
273 * Max. cols binary characters are decoded from the input stream per line. | |
274 * Two adjacent garbage characters after evaluated data delimit valid data. | |
275 * Everything up to the next newline is discarded. | |
276 * | |
277 * The name is historic and came from 'undo type opt h'. | |
278 */ | |
2752 | 279 static int |
280 huntype(fpi, fpo, fperr, cols, hextype, base_off) | |
281 FILE *fpi, *fpo, *fperr; | |
282 int cols, hextype; | |
283 long base_off; | |
7 | 284 { |
285 int c, ign_garb = 1, n1 = -1, n2 = 0, n3, p = cols; | |
286 long have_off = 0, want_off = 0; | |
287 | |
288 rewind(fpi); | |
289 | |
290 while ((c = getc(fpi)) != EOF) | |
291 { | |
292 if (c == '\r') /* Doze style input file? */ | |
293 continue; | |
294 | |
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295 /* Allow multiple spaces. This doesn't work when there is normal text |
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296 * after the hex codes in the last line that looks like hex, thus only |
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297 * use it for PostScript format. */ |
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298 if (hextype == HEX_POSTSCRIPT && (c == ' ' || c == '\n' || c == '\t')) |
856 | 299 continue; |
809 | 300 |
7 | 301 n3 = n2; |
302 n2 = n1; | |
303 | |
304 if (c >= '0' && c <= '9') | |
305 n1 = c - '0'; | |
306 else if (c >= 'a' && c <= 'f') | |
307 n1 = c - 'a' + 10; | |
308 else if (c >= 'A' && c <= 'F') | |
309 n1 = c - 'A' + 10; | |
310 else | |
311 { | |
312 n1 = -1; | |
313 if (ign_garb) | |
314 continue; | |
315 } | |
316 | |
317 ign_garb = 0; | |
318 | |
319 if (p >= cols) | |
320 { | |
321 if (!hextype) | |
322 { | |
323 if (n1 < 0) | |
324 { | |
325 p = 0; | |
326 continue; | |
327 } | |
328 want_off = (want_off << 4) | n1; | |
329 continue; | |
330 } | |
331 else | |
332 p = 0; | |
333 } | |
334 | |
335 if (base_off + want_off != have_off) | |
336 { | |
2752 | 337 if (fflush(fpo) != 0) |
338 die(3); | |
7 | 339 #ifdef TRY_SEEK |
340 c = fseek(fpo, base_off + want_off - have_off, 1); | |
341 if (c >= 0) | |
342 have_off = base_off + want_off; | |
343 #endif | |
344 if (base_off + want_off < have_off) | |
345 { | |
346 fprintf(fperr, "%s: sorry, cannot seek backwards.\n", pname); | |
347 return 5; | |
348 } | |
349 for (; have_off < base_off + want_off; have_off++) | |
2752 | 350 if (putc(0, fpo) == EOF) |
351 die(3); | |
7 | 352 } |
353 | |
354 if (n2 >= 0 && n1 >= 0) | |
355 { | |
2752 | 356 if (putc((n2 << 4) | n1, fpo) == EOF) |
357 die(3); | |
7 | 358 have_off++; |
359 want_off++; | |
360 n1 = -1; | |
361 if ((++p >= cols) && !hextype) | |
362 { | |
809 | 363 /* skip rest of line as garbage */ |
7 | 364 want_off = 0; |
365 while ((c = getc(fpi)) != '\n' && c != EOF) | |
366 ; | |
2752 | 367 if (c == EOF && ferror(fpi)) |
368 die(2); | |
7 | 369 ign_garb = 1; |
370 } | |
371 } | |
372 else if (n1 < 0 && n2 < 0 && n3 < 0) | |
373 { | |
374 /* already stumbled into garbage, skip line, wait and see */ | |
375 if (!hextype) | |
376 want_off = 0; | |
377 while ((c = getc(fpi)) != '\n' && c != EOF) | |
378 ; | |
2752 | 379 if (c == EOF && ferror(fpi)) |
380 die(2); | |
7 | 381 ign_garb = 1; |
382 } | |
383 } | |
2752 | 384 if (fflush(fpo) != 0) |
385 die(3); | |
7 | 386 #ifdef TRY_SEEK |
387 fseek(fpo, 0L, 2); | |
388 #endif | |
2752 | 389 if (fclose(fpo) != 0) |
390 die(3); | |
391 if (fclose(fpi) != 0) | |
392 die(2); | |
7 | 393 return 0; |
394 } | |
395 | |
396 /* | |
397 * Print line l. If nz is false, xxdline regards the line a line of | |
398 * zeroes. If there are three or more consecutive lines of zeroes, | |
399 * they are replaced by a single '*' character. | |
400 * | |
401 * If the output ends with more than two lines of zeroes, you | |
402 * should call xxdline again with l being the last line and nz | |
403 * negative. This ensures that the last line is shown even when | |
404 * it is all zeroes. | |
405 * | |
406 * If nz is always positive, lines are never suppressed. | |
407 */ | |
2752 | 408 static void |
7 | 409 xxdline(fp, l, nz) |
2752 | 410 FILE *fp; |
411 char *l; | |
412 int nz; | |
7 | 413 { |
414 static char z[LLEN+1]; | |
415 static int zero_seen = 0; | |
416 | |
417 if (!nz && zero_seen == 1) | |
418 strcpy(z, l); | |
419 | |
420 if (nz || !zero_seen++) | |
421 { | |
422 if (nz) | |
423 { | |
424 if (nz < 0) | |
425 zero_seen--; | |
426 if (zero_seen == 2) | |
2752 | 427 if (fputs(z, fp) == EOF) |
428 die(3); | |
7 | 429 if (zero_seen > 2) |
2752 | 430 if (fputs("*\n", fp) == EOF) |
431 die(3); | |
7 | 432 } |
433 if (nz >= 0 || zero_seen > 0) | |
2752 | 434 if (fputs(l, fp) == EOF) |
435 die(3); | |
7 | 436 if (nz) |
437 zero_seen = 0; | |
438 } | |
439 } | |
440 | |
441 /* This is an EBCDIC to ASCII conversion table */ | |
442 /* from a proposed BTL standard April 16, 1979 */ | |
443 static unsigned char etoa64[] = | |
444 { | |
445 0040,0240,0241,0242,0243,0244,0245,0246, | |
446 0247,0250,0325,0056,0074,0050,0053,0174, | |
447 0046,0251,0252,0253,0254,0255,0256,0257, | |
448 0260,0261,0041,0044,0052,0051,0073,0176, | |
449 0055,0057,0262,0263,0264,0265,0266,0267, | |
450 0270,0271,0313,0054,0045,0137,0076,0077, | |
451 0272,0273,0274,0275,0276,0277,0300,0301, | |
452 0302,0140,0072,0043,0100,0047,0075,0042, | |
453 0303,0141,0142,0143,0144,0145,0146,0147, | |
454 0150,0151,0304,0305,0306,0307,0310,0311, | |
455 0312,0152,0153,0154,0155,0156,0157,0160, | |
456 0161,0162,0136,0314,0315,0316,0317,0320, | |
457 0321,0345,0163,0164,0165,0166,0167,0170, | |
458 0171,0172,0322,0323,0324,0133,0326,0327, | |
459 0330,0331,0332,0333,0334,0335,0336,0337, | |
460 0340,0341,0342,0343,0344,0135,0346,0347, | |
461 0173,0101,0102,0103,0104,0105,0106,0107, | |
462 0110,0111,0350,0351,0352,0353,0354,0355, | |
463 0175,0112,0113,0114,0115,0116,0117,0120, | |
464 0121,0122,0356,0357,0360,0361,0362,0363, | |
465 0134,0237,0123,0124,0125,0126,0127,0130, | |
466 0131,0132,0364,0365,0366,0367,0370,0371, | |
467 0060,0061,0062,0063,0064,0065,0066,0067, | |
468 0070,0071,0372,0373,0374,0375,0376,0377 | |
469 }; | |
470 | |
2752 | 471 int |
7 | 472 main(argc, argv) |
2752 | 473 int argc; |
474 char *argv[]; | |
7 | 475 { |
476 FILE *fp, *fpo; | |
477 int c, e, p = 0, relseek = 1, negseek = 0, revert = 0; | |
478 int cols = 0, nonzero = 0, autoskip = 0, hextype = HEX_NORMAL; | |
479 int ebcdic = 0; | |
480 int octspergrp = -1; /* number of octets grouped in output */ | |
481 int grplen; /* total chars per octet group */ | |
6655 | 482 long length = -1, n = 0, seekoff = 0, displayoff = 0; |
2770 | 483 static char l[LLEN+1]; /* static because it may be too big for stack */ |
2752 | 484 char *pp; |
7 | 485 |
486 #ifdef AMIGA | |
487 /* This program doesn't work when started from the Workbench */ | |
488 if (argc == 0) | |
489 exit(1); | |
490 #endif | |
491 | |
492 pname = argv[0]; | |
493 for (pp = pname; *pp; ) | |
494 if (*pp++ == PATH_SEP) | |
495 pname = pp; | |
496 #ifdef FILE_SEP | |
497 for (pp = pname; *pp; pp++) | |
498 if (*pp == FILE_SEP) | |
499 { | |
500 *pp = '\0'; | |
501 break; | |
502 } | |
503 #endif | |
504 | |
505 while (argc >= 2) | |
506 { | |
507 pp = argv[1] + (!STRNCMP(argv[1], "--", 2) && argv[1][2]); | |
508 if (!STRNCMP(pp, "-a", 2)) autoskip = 1 - autoskip; | |
509 else if (!STRNCMP(pp, "-b", 2)) hextype = HEX_BITS; | |
6655 | 510 else if (!STRNCMP(pp, "-e", 2)) hextype = HEX_LITTLEENDIAN; |
7 | 511 else if (!STRNCMP(pp, "-u", 2)) hexx = hexxa + 16; |
512 else if (!STRNCMP(pp, "-p", 2)) hextype = HEX_POSTSCRIPT; | |
513 else if (!STRNCMP(pp, "-i", 2)) hextype = HEX_CINCLUDE; | |
514 else if (!STRNCMP(pp, "-r", 2)) revert++; | |
515 else if (!STRNCMP(pp, "-E", 2)) ebcdic++; | |
516 else if (!STRNCMP(pp, "-v", 2)) | |
517 { | |
518 fprintf(stderr, "%s%s\n", version, osver); | |
519 exit(0); | |
520 } | |
521 else if (!STRNCMP(pp, "-c", 2)) | |
522 { | |
523 if (pp[2] && STRNCMP("ols", pp + 2, 3)) | |
524 cols = (int)strtol(pp + 2, NULL, 0); | |
525 else | |
526 { | |
527 if (!argv[2]) | |
2752 | 528 exit_with_usage(); |
7 | 529 cols = (int)strtol(argv[2], NULL, 0); |
530 argv++; | |
531 argc--; | |
532 } | |
533 } | |
534 else if (!STRNCMP(pp, "-g", 2)) | |
535 { | |
536 if (pp[2] && STRNCMP("group", pp + 2, 5)) | |
537 octspergrp = (int)strtol(pp + 2, NULL, 0); | |
538 else | |
539 { | |
540 if (!argv[2]) | |
2752 | 541 exit_with_usage(); |
7 | 542 octspergrp = (int)strtol(argv[2], NULL, 0); |
543 argv++; | |
544 argc--; | |
545 } | |
546 } | |
6655 | 547 else if (!STRNCMP(pp, "-o", 2)) |
548 { | |
549 if (pp[2] && STRNCMP("ffset", pp + 2, 5)) | |
550 displayoff = (int)strtol(pp + 2, NULL, 0); | |
551 else | |
552 { | |
553 if (!argv[2]) | |
554 exit_with_usage(); | |
555 displayoff = (int)strtol(argv[2], NULL, 0); | |
556 argv++; | |
557 argc--; | |
558 } | |
559 } | |
7 | 560 else if (!STRNCMP(pp, "-s", 2)) |
561 { | |
562 relseek = 0; | |
563 negseek = 0; | |
564 if (pp[2] && STRNCMP("kip", pp+2, 3) && STRNCMP("eek", pp+2, 3)) | |
565 { | |
566 #ifdef TRY_SEEK | |
567 if (pp[2] == '+') | |
568 relseek++; | |
569 if (pp[2+relseek] == '-') | |
570 negseek++; | |
571 #endif | |
572 seekoff = strtol(pp + 2+relseek+negseek, (char **)NULL, 0); | |
573 } | |
574 else | |
575 { | |
576 if (!argv[2]) | |
2752 | 577 exit_with_usage(); |
7 | 578 #ifdef TRY_SEEK |
579 if (argv[2][0] == '+') | |
580 relseek++; | |
581 if (argv[2][relseek] == '-') | |
582 negseek++; | |
583 #endif | |
584 seekoff = strtol(argv[2] + relseek+negseek, (char **)NULL, 0); | |
585 argv++; | |
586 argc--; | |
587 } | |
588 } | |
589 else if (!STRNCMP(pp, "-l", 2)) | |
590 { | |
591 if (pp[2] && STRNCMP("en", pp + 2, 2)) | |
592 length = strtol(pp + 2, (char **)NULL, 0); | |
593 else | |
594 { | |
595 if (!argv[2]) | |
2752 | 596 exit_with_usage(); |
7 | 597 length = strtol(argv[2], (char **)NULL, 0); |
598 argv++; | |
599 argc--; | |
600 } | |
601 } | |
602 else if (!strcmp(pp, "--")) /* end of options */ | |
603 { | |
604 argv++; | |
605 argc--; | |
606 break; | |
607 } | |
608 else if (pp[0] == '-' && pp[1]) /* unknown option */ | |
2752 | 609 exit_with_usage(); |
7 | 610 else |
611 break; /* not an option */ | |
612 | |
613 argv++; /* advance to next argument */ | |
614 argc--; | |
615 } | |
616 | |
617 if (!cols) | |
618 switch (hextype) | |
619 { | |
620 case HEX_POSTSCRIPT: cols = 30; break; | |
621 case HEX_CINCLUDE: cols = 12; break; | |
622 case HEX_BITS: cols = 6; break; | |
623 case HEX_NORMAL: | |
6655 | 624 case HEX_LITTLEENDIAN: |
7 | 625 default: cols = 16; break; |
626 } | |
627 | |
628 if (octspergrp < 0) | |
629 switch (hextype) | |
630 { | |
631 case HEX_BITS: octspergrp = 1; break; | |
632 case HEX_NORMAL: octspergrp = 2; break; | |
6655 | 633 case HEX_LITTLEENDIAN: octspergrp = 4; break; |
7 | 634 case HEX_POSTSCRIPT: |
635 case HEX_CINCLUDE: | |
636 default: octspergrp = 0; break; | |
637 } | |
638 | |
6655 | 639 if (cols < 1 || ((hextype == HEX_NORMAL || hextype == HEX_BITS || hextype == HEX_LITTLEENDIAN) |
1452 | 640 && (cols > COLS))) |
7 | 641 { |
642 fprintf(stderr, "%s: invalid number of columns (max. %d).\n", pname, COLS); | |
643 exit(1); | |
644 } | |
645 | |
6655 | 646 if (octspergrp < 1 || octspergrp > cols) |
7 | 647 octspergrp = cols; |
6655 | 648 else if (hextype == HEX_LITTLEENDIAN && (octspergrp & (octspergrp-1))) |
649 { | |
650 fprintf(stderr, | |
651 "%s: number of octets per group must be a power of 2 with -e.\n", | |
652 pname); | |
653 exit(1); | |
654 } | |
7 | 655 |
656 if (argc > 3) | |
2752 | 657 exit_with_usage(); |
7 | 658 |
659 if (argc == 1 || (argv[1][0] == '-' && !argv[1][1])) | |
660 BIN_ASSIGN(fp = stdin, !revert); | |
661 else | |
662 { | |
663 if ((fp = fopen(argv[1], BIN_READ(!revert))) == NULL) | |
664 { | |
665 fprintf(stderr,"%s: ", pname); | |
666 perror(argv[1]); | |
667 return 2; | |
668 } | |
669 } | |
670 | |
671 if (argc < 3 || (argv[2][0] == '-' && !argv[2][1])) | |
672 BIN_ASSIGN(fpo = stdout, revert); | |
673 else | |
674 { | |
675 int fd; | |
676 int mode = revert ? O_WRONLY : (O_TRUNC|O_WRONLY); | |
677 | |
678 if (((fd = OPEN(argv[2], mode | BIN_CREAT(revert), 0666)) < 0) || | |
679 (fpo = fdopen(fd, BIN_WRITE(revert))) == NULL) | |
680 { | |
681 fprintf(stderr, "%s: ", pname); | |
682 perror(argv[2]); | |
683 return 3; | |
684 } | |
685 rewind(fpo); | |
686 } | |
687 | |
688 if (revert) | |
689 { | |
690 if (hextype && (hextype != HEX_POSTSCRIPT)) | |
691 { | |
692 fprintf(stderr, "%s: sorry, cannot revert this type of hexdump\n", pname); | |
693 return -1; | |
694 } | |
2752 | 695 return huntype(fp, fpo, stderr, cols, hextype, |
7 | 696 negseek ? -seekoff : seekoff); |
697 } | |
698 | |
699 if (seekoff || negseek || !relseek) | |
700 { | |
701 #ifdef TRY_SEEK | |
702 if (relseek) | |
703 e = fseek(fp, negseek ? -seekoff : seekoff, 1); | |
704 else | |
705 e = fseek(fp, negseek ? -seekoff : seekoff, negseek ? 2 : 0); | |
706 if (e < 0 && negseek) | |
707 { | |
708 fprintf(stderr, "%s: sorry cannot seek.\n", pname); | |
709 return 4; | |
710 } | |
711 if (e >= 0) | |
712 seekoff = ftell(fp); | |
713 else | |
714 #endif | |
715 { | |
716 long s = seekoff; | |
717 | |
718 while (s--) | |
2752 | 719 if (getc(fp) == EOF) |
2754 | 720 { |
2752 | 721 if (ferror(fp)) |
722 { | |
723 die(2); | |
724 } | |
725 else | |
726 { | |
727 fprintf(stderr, "%s: sorry cannot seek.\n", pname); | |
728 return 4; | |
729 } | |
2754 | 730 } |
7 | 731 } |
732 } | |
733 | |
734 if (hextype == HEX_CINCLUDE) | |
735 { | |
736 if (fp != stdin) | |
737 { | |
2752 | 738 if (fprintf(fpo, "unsigned char %s", isdigit((int)argv[1][0]) ? "__" : "") < 0) |
739 die(3); | |
7 | 740 for (e = 0; (c = argv[1][e]) != 0; e++) |
2752 | 741 if (putc(isalnum(c) ? c : '_', fpo) == EOF) |
742 die(3); | |
743 if (fputs("[] = {\n", fpo) == EOF) | |
744 die(3); | |
7 | 745 } |
746 | |
747 p = 0; | |
2752 | 748 c = 0; |
7 | 749 while ((length < 0 || p < length) && (c = getc(fp)) != EOF) |
750 { | |
2752 | 751 if (fprintf(fpo, (hexx == hexxa) ? "%s0x%02x" : "%s0X%02X", |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4166
diff
changeset
|
752 (p % cols) ? ", " : &",\n "[2*!p], c) < 0) |
2752 | 753 die(3); |
7 | 754 p++; |
755 } | |
2752 | 756 if (c == EOF && ferror(fp)) |
757 die(2); | |
7 | 758 |
4166 | 759 if (p && fputs("\n", fpo) == EOF) |
760 die(3); | |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4166
diff
changeset
|
761 if (fputs(&"};\n"[3 * (fp == stdin)], fpo) == EOF) |
4166 | 762 die(3); |
7 | 763 |
764 if (fp != stdin) | |
765 { | |
2752 | 766 if (fprintf(fpo, "unsigned int %s", isdigit((int)argv[1][0]) ? "__" : "") < 0) |
767 die(3); | |
7 | 768 for (e = 0; (c = argv[1][e]) != 0; e++) |
2752 | 769 if (putc(isalnum(c) ? c : '_', fpo) == EOF) |
770 die(3); | |
771 if (fprintf(fpo, "_len = %d;\n", p) < 0) | |
772 die(3); | |
7 | 773 } |
774 | |
2752 | 775 if (fclose(fp)) |
776 die(2); | |
777 if (fclose(fpo)) | |
778 die(3); | |
7 | 779 return 0; |
780 } | |
781 | |
782 if (hextype == HEX_POSTSCRIPT) | |
783 { | |
784 p = cols; | |
2752 | 785 e = 0; |
7 | 786 while ((length < 0 || n < length) && (e = getc(fp)) != EOF) |
787 { | |
2752 | 788 if (putc(hexx[(e >> 4) & 0xf], fpo) == EOF |
789 || putc(hexx[e & 0xf], fpo) == EOF) | |
790 die(3); | |
7 | 791 n++; |
792 if (!--p) | |
793 { | |
2752 | 794 if (putc('\n', fpo) == EOF) |
795 die(3); | |
7 | 796 p = cols; |
797 } | |
798 } | |
2752 | 799 if (e == EOF && ferror(fp)) |
800 die(2); | |
7 | 801 if (p < cols) |
2752 | 802 if (putc('\n', fpo) == EOF) |
803 die(3); | |
804 if (fclose(fp)) | |
805 die(2); | |
806 if (fclose(fpo)) | |
807 die(3); | |
7 | 808 return 0; |
809 } | |
810 | |
6655 | 811 /* hextype: HEX_NORMAL or HEX_BITS or HEX_LITTLEENDIAN */ |
7 | 812 |
6655 | 813 if (hextype != HEX_BITS) |
7 | 814 grplen = octspergrp + octspergrp + 1; /* chars per octet group */ |
815 else /* hextype == HEX_BITS */ | |
816 grplen = 8 * octspergrp + 1; | |
817 | |
2752 | 818 e = 0; |
7 | 819 while ((length < 0 || n < length) && (e = getc(fp)) != EOF) |
820 { | |
821 if (p == 0) | |
822 { | |
6655 | 823 sprintf(l, "%08lx:", |
824 ((unsigned long)(n + seekoff + displayoff)) & 0xffffffff); | |
7 | 825 for (c = 9; c < LLEN; l[c++] = ' '); |
826 } | |
827 if (hextype == HEX_NORMAL) | |
828 { | |
6655 | 829 l[c = (10 + (grplen * p) / octspergrp)] = hexx[(e >> 4) & 0xf]; |
830 l[++c] = hexx[ e & 0xf]; | |
831 } | |
832 else if (hextype == HEX_LITTLEENDIAN) | |
833 { | |
834 int x = p ^ (octspergrp-1); | |
835 l[c = (10 + (grplen * x) / octspergrp)] = hexx[(e >> 4) & 0xf]; | |
836 l[++c] = hexx[ e & 0xf]; | |
7 | 837 } |
838 else /* hextype == HEX_BITS */ | |
839 { | |
840 int i; | |
841 | |
6655 | 842 c = (10 + (grplen * p) / octspergrp) - 1; |
7 | 843 for (i = 7; i >= 0; i--) |
844 l[++c] = (e & (1 << i)) ? '1' : '0'; | |
845 } | |
846 if (ebcdic) | |
847 e = (e < 64) ? '.' : etoa64[e-64]; | |
1452 | 848 /* When changing this update definition of LLEN above. */ |
6655 | 849 l[12 + (grplen * cols - 1)/octspergrp + p] = |
7 | 850 #ifdef __MVS__ |
851 (e >= 64) | |
852 #else | |
853 (e > 31 && e < 127) | |
854 #endif | |
855 ? e : '.'; | |
856 if (e) | |
857 nonzero++; | |
858 n++; | |
859 if (++p == cols) | |
860 { | |
6655 | 861 l[c = (12 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0'; |
7 | 862 xxdline(fpo, l, autoskip ? nonzero : 1); |
863 nonzero = 0; | |
864 p = 0; | |
865 } | |
866 } | |
2752 | 867 if (e == EOF && ferror(fp)) |
868 die(2); | |
7 | 869 if (p) |
870 { | |
6655 | 871 l[c = (12 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0'; |
7 | 872 xxdline(fpo, l, 1); |
873 } | |
874 else if (autoskip) | |
1197 | 875 xxdline(fpo, l, -1); /* last chance to flush out suppressed lines */ |
7 | 876 |
2752 | 877 if (fclose(fp)) |
878 die(2); | |
879 if (fclose(fpo)) | |
880 die(3); | |
7 | 881 return 0; |
882 } | |
2752 | 883 |
884 /* vi:set ts=8 sw=4 sts=2 cino+={2 cino+=n-2 : */ |