hexdump.c

   1 /* depend: */
   2 /* cflags: */
   3 /* linker: debug.o */
   4
   5 #include <assert.h>
   6 #include <limits.h>
   7 #include <malloc.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include "debug.h"
  13
  14 /* macros */
  15
  16 #define CEIL(x, y) (((x) + (y) - 1) / (y))
  17 #define MIN(x, y) (((x) < (y)) ? (x) : (y))
  18 #define MAX(x, y) (((x) > (y)) ? (x) : (y))
  19
  20 //#define BUFFERSIZE 4096
  21 #define BUFFERSIZE 256
  22 #define NBCOLS 8
  23 #define NBDIGITS 6
  24 #define SEQLEN 32
  25
  26 /* gobal variables */
  27
  28 int nbcols = NBCOLS;
  29 int nbdigits = NBDIGITS;
  30 int offset = 0;
  31
  32 char buffer[BUFFERSIZE] = {0};
  33 FILE *fin = NULL;
  34 long int addrfile = 0;
  35 FILE *fout = NULL;
  36 char *progname = NULL;
  37
  38 /* type definitions */
  39
  40 typedef struct {
  41     char *sequence;
  42     char bytes[SEQLEN];
  43     int length;
  44 } sequence_t;
  45
  46 /* help function */
  47
  48 int usage (int ret)
  49 {
  50     FILE *fd = ret ? stderr : stdout;
  51     fprintf (fd, "usage: %s [-i file] [-h] [-n nbcols] [-o file] [-v]\n", progname);
  52     fprintf (fd, " -i: input file\n");
  53     fprintf (fd, " -h: help message\n");
  54     fprintf (fd, " -n: number of columns\n");
  55     fprintf (fd, " -e: commands\n");
  56     fprintf (fd, " -o: output file\n");
  57     fprintf (fd, " -v: verbose level (%d)\n", verbose);
  58     fprintf (fd, "\n");
  59     fprintf (fd, "commands: [/hstr/|addr|+nb] [a hstr] [d nb|-] [i hstr] [p nb|-] [s/h1/h2/[g]]\n");
  60     fprintf (fd, " addr: move to address (0... octal, [1-9]... deci, 0x... hexa)\n");
  61     fprintf (fd, " +nb: move to offset (0... octal, [1-9]... deci, 0x... hexa)\n");
  62     fprintf (fd, " //: move to hexa string hstr\n");
  63     fprintf (fd, " a : append hexa string hstr to current address\n");
  64     fprintf (fd, " d : delete nb bytes (- until end file)\n");
  65     fprintf (fd, " i : insert hexa string hstr to current address\n");
  66     fprintf (fd, " p : print nb bytes (- until end file)\n");
  67     fprintf (fd, " s : substitute h1 by h2 (g for globally)\n");
  68
  69     return ret;
  70 }
  71
  72 /* get number of digits */
  73
  74 unsigned int getnbdigits (unsigned long int l) {
  75     int n = 0;
  76     while (l) {
  77         n += 2;
  78         l /= 256;
  79     }
  80     return n;
  81 }
  82
  83 /* print a line */
  84
  85 void printline (char *buffer, int nb, unsigned long int addr) {
  86     int i;
  87
  88     printf ("0x%0*lx:", nbdigits, addr);
  89     for (i = 0; i < nb; i++) {
  90         printf (" %02x", (unsigned char)buffer[i]);
  91     }
  92     for (i = nb; i < nbcols; i++) {
  93         printf ("   ");
  94     }
  95     printf ("  ");
  96     for (i = 0; i < nb; i++) {
  97         char c = buffer[i];
  98         printf ("%c", (c > 31) && (c < 127) ? c : '.');
  99     }
 100     printf ("\n");
 101 }
 102
 103 /* write file function */
 104
 105 int writefile (char *pt, int nb) {
 106     if (fout) {
 107         fwrite (pt, 1, nb, fout);
 108     }
 109     return 1;
 110 }
 111
 112 /* search sequence function */
 113
 114 int searchseq (sequence_t *seq) {
 115     char *pt = buffer;
 116     int nb = 0;
 117     int i, j;
 118     int valid = 0;
 119
 120     VERBOSE (DEBUG, printf ("search sequence: %s\n", seq->sequence));
 121
 122     while (!feof (fin)) {
 123         int nbread = fread (pt, 1, BUFFERSIZE - (pt - buffer), fin);
 124         nb += nbread;
 125         pt = buffer;
 126         for (i = 0; i < nb - seq->length; i++) {
 127             valid = 1;
 128             for (j = 0; (j < seq->length) && (valid); j++) {
 129                 if (pt[i + j] != seq->bytes[j]) {
 130                     valid = 0;
 131                 }
 132             }
 133             if (valid) {
 134                 break;
 135             }
 136         }
 137
 138         if (!valid) {
 139             writefile (buffer, nb - seq->length);
 140             offset = 0;
 141             addrfile += nb - seq->length;
 142             for (i = 0; i < seq->length; i++) {
 143                 buffer[i] = buffer[nb - seq->length + i];
 144             }
 145             pt = buffer + seq->length;
 146             nb = seq->length;
 147         } else {
 148             writefile (buffer, i);
 149             offset = seq->length;
 150             addrfile += i;
 151             fseek (fin, i - nb, SEEK_CUR);
 152             VERBOSE (DEBUG, printf ("found sequence at 0x%0*lx\n", getnbdigits (addrfile), addrfile));
 153             return 0;
 154         }
 155     }
 156
 157     if (!valid) {
 158         writefile (buffer, nb);
 159         addrfile += seq->length;
 160     }
 161
 162     return 1;
 163 }
 164
 165 /* go to address function */
 166
 167 int gotoaddr (long int addr) {
 168     char buffer[BUFFERSIZE] = {0};
 169
 170     if (addr == -1) {
 171         addr = LONG_MAX;
 172     } else if (addrfile > addr) {
 173         return 1;
 174     }
 175
 176     VERBOSE (DEBUG, printf ("look for address: 0x%04lx\n", addr));
 177     while (!feof (fin)) {
 178         int nbtoread = (addrfile + BUFFERSIZE > addr) ? addr - addrfile : BUFFERSIZE;
 179         int nbread = fread (buffer, 1, nbtoread, fin);
 180         writefile (buffer, nbread);
 181         addrfile += nbread;
 182         if (addrfile == addr) {
 183             return 0;
 184         }
 185     }
 186
 187     return 1;
 188 }
 189
 190 /* insert sequence function */
 191
 192 int insertseq (sequence_t *seq) {
 193     char buffer[BUFFERSIZE] = {0};
 194
 195     VERBOSE (DEBUG, printf ("insert (%d): '%s'\n", offset, seq->sequence);
 196                     int i;
 197                     for (i = 0; i < seq->length; i++) {
 198                         char c = seq->bytes[i];
 199                         printf (" 0x%02x (%c)", c, ((c >= 32) && (c < 127)) ? c : '.');
 200                     };
 201                     printf ("\n"));
 202     if (offset > 0) {
 203         int nbread = fread (buffer, 1, offset, fin);
 204         if (nbread != offset) {
 205             return 1;
 206         }
 207         writefile (buffer, offset);
 208         offset = 0;
 209     }
 210     writefile (seq->bytes, seq->length);
 211
 212     return 0;
 213 }
 214
 215 /* hexadecimal dump function */
 216
 217 int hexdump (int len) {
 218     char buffer[BUFFERSIZE] = {0};
 219     int i;
 220
 221     char *pt = buffer;
 222
 223     int nb = 0;
 224     while (!feof (fin)) {
 225         int nbtoread = BUFFERSIZE - (pt - buffer);
 226         if ((len > 0) && (nbtoread > len)) {
 227             nbtoread = len;
 228         }
 229         int nbread = fread (pt, 1, nbtoread, fin);
 230         if (len > 0) {
 231             len -= nbread;
 232         }
 233         nb += nbread;
 234         pt = buffer;
 235
 236         /* print line */
 237         while ((nb - (int)(pt - buffer)) / nbcols > 0) {
 238             printline (pt, nbcols, addrfile);
 239             writefile (pt, nbcols);
 240             addrfile += nbcols;
 241             pt += nbcols;
 242         }
 243
 244         /* copy end buffer */
 245         nb -= pt - buffer;
 246         for (i = 0; i < nb; i++) {
 247             buffer[i] = pt[i];
 248         }
 249         pt = buffer + nb;
 250
 251         /* end partial reading */
 252         if (len == 0) {
 253             break;
 254         }
 255     }
 256
 257     /* last line */
 258     if (nb > 0) {
 259         printline (buffer, nb, addrfile);
 260         writefile (buffer, nb);
 261         addrfile += nb;
 262     }
 263
 264     return 0;
 265 }
 266
 267 /* parse octal string */
 268
 269 long int octal (char *s, int n) {
 270     int i;
 271     unsigned long int l = 0;
 272     for (i = 0; i < n; i++) {
 273         if ((s[i] >= '0') && (s[i] <= '9')) {
 274             l = l * 8 + s[i] - '0';
 275         } else {
 276             return -1;
 277         }
 278     }
 279     return l;
 280 }
 281
 282 /* parse hexa string */
 283
 284 long int hexa (char *s, int n) {
 285     int i;
 286     unsigned long int l = 0;
 287     for (i = 0; i < n; i++) {
 288         l *= 16;
 289         if ((s[i] >= '0') && (s[i] <= '9')) {
 290             l += s[i] - '0';
 291         } else if ((s[i] >= 'A') && (s[i] <= 'F')) {
 292             l += s[i] + 10 - 'A';
 293         } else if ((s[i] >= 'a') && (s[i] <= 'f')) {
 294             l += s[i] + 10 - 'a';
 295         } else {
 296             return -1;
 297         }
 298     }
 299     return l;
 300 }
 301
 302 /* special character function */
 303
 304 int specialchar (char *s, char *b) {
 305     int i = 0, j = 0;
 306     while (s[i] != 0) {
 307         if (j == SEQLEN) {
 308             return 0;
 309         }
 310         if (s[i] != '\\') {
 311             b[j++] = s[i++];
 312             continue;
 313         }
 314
 315         int l = -1;
 316         switch (s[i + 1]) {
 317         case 'a': l = 0x07; i += 2; break;
 318         case 'b': l = 0x08; i += 2; break;
 319         case 'e': l = 0x1b; i += 2; break;
 320         case 'f': l = 0x0c; i += 2; break;
 321         case 'n': l = 0x0a; i += 2; break;
 322         case 'r': l = 0x0d; i += 2; break;
 323         case 't': l = 0x09; i += 2; break;
 324         case 'v': l = 0x0b; i += 2; break;
 325         case '/': l = '/'; i += 2; break;
 326         case '\\': l = '\\'; i += 2; break;
 327         case '\'': l = '\''; i += 2; break;
 328         case '"': l = '"'; i += 2; break;
 329         case '0':
 330         case '1':
 331         case '2':
 332         case '3':
 333             l = octal (s + i + 1, 3);
 334             if (l != -1) {
 335                 i += 4;
 336             }
 337             break;
 338         case 'x':
 339             l = hexa (s + i + 2, 2);
 340             if (l != -1) {
 341                 i += 4;
 342             }
 343             break;
 344         default:
 345             break;
 346         }
 347         if (l != -1) {
 348             VERBOSE (DEBUG, printf("l: 0x%02x '%c'\n", l, l));
 349         }
 350         b[j++] = (l != -1) ? l : s[i++];
 351     }
 352
 353     return j;
 354 }
 355
 356 /* remove space function */
 357
 358 void removespace (char *s, char **p) {
 359     while (*s) {
 360         if ((*s == ' ') || (*s == '\t')) {
 361             s++;
 362         } else {
 363             break;
 364         }
 365     }
 366     if (p != NULL) {
 367         *p = s;
 368     }
 369 }
 370
 371 /* get pattern function */
 372
 373 int getpattern (sequence_t *seq, char *s, char **p) {
 374
 375     seq->sequence = s;
 376     seq->length = 0;
 377
 378     while (*s) {
 379         if ((*s == '\\') && ((s[1] == '/') || (s[1] == '\\'))) {
 380             s++;
 381         } else if (*s == '/') {
 382             *s++ = 0;
 383             break;
 384         }
 385         s++;
 386     }
 387     seq->length = specialchar (seq->sequence, seq->bytes);
 388
 389     if (p != NULL) {
 390         *p = s;
 391     }
 392
 393     return (seq->length == 0);
 394 }
 395
 396 /* get hexa sequence function */
 397
 398 int gethexaseq (sequence_t *seq, char *s, char **p) {
 399     int i = 0;
 400
 401     seq->sequence = s;
 402     seq->length = 0;
 403
 404     while (*s) {
 405         if (((*s >= '0') && (*s <= '9')) ||
 406             ((*s >= 'A') && (*s <= 'F')) ||
 407             ((*s >= 'a') && (*s <= 'f'))) {
 408             s++;
 409             i++;
 410             if (i % 2 == 0) {
 411                 seq->bytes[seq->length] = hexa (seq->sequence + 2 * seq->length, 2);
 412                 if (seq->bytes[seq->length] == -1) {
 413                     return 1;
 414                 }
 415                 seq->length++;
 416             }
 417         } else {
 418             break;
 419         }
 420     }
 421
 422     if (p != NULL) {
 423         *p = s;
 424     }
 425
 426     return (seq->length == 0) || (i % 2 == 1);
 427 }
 428
 429 /* get length function */
 430
 431 long int getlength (char *s, char **p) {
 432
 433     while (*s != '\0') {
 434         if ((*s == ' ') || (*s == '\t')) {
 435             s++;
 436         } else if ((*s >= '0') && (*s <= '9')) {
 437             return strtol (s, p, 10);
 438         } else if (*s == '-') {
 439             if (p != NULL) {
 440                 *p = s + 1;
 441             }
 442             return -1;
 443         } else {
 444             VERBOSE (ERROR, fprintf (stderr, "unknown length (%s)\n", s));
 445             return 0;
 446         }
 447     }
 448
 449     return 0;
 450 }
 451
 452 /* main function */
 453
 454 int main (int argc, char *argv[])
 455 {
 456     int rc = 0;
 457     char *input = NULL;
 458     char *output = NULL;
 459     char *commands = NULL;
 460     long int length = -1;
 461     sequence_t seq = {0};
 462     unsigned long int addr = 0;
 463     char c;
 464
 465     /* get basename */
 466     char *pt = progname = argv[0];
 467     while (*pt) {
 468         if ((*pt == '/') || (*pt == '\\')) {
 469            progname = pt + 1;
 470         }
 471         pt++;
 472     }
 473
 474      while (argc-- > 1) {
 475         char *arg = *(++argv);
 476         if (arg[0] != '-') {
 477             VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- %s\n", progname, arg));
 478             return usage (1);
 479         }
 480         char c = arg[1];
 481         switch (c) {
 482         case 'e':
 483             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 484             if (arg) {
 485                 //commands = (commands == NULL) ? arg :
 486                 //    strcat (strcat (commands, " "), arg);
 487                 if (commands == NULL) {
 488                     commands = arg;
 489                 } else {
 490                     char *tmp = (char *) malloc (strlen (arg) + 1);
 491                     strcat (strcat (commands, " "), strcpy (tmp, arg));
 492                     free (tmp);
 493                 }
 494             }
 495             break;
 496         case 'i':
 497             input = (arg[2]) ? arg + 2 : (--argc > 0 ) ? *(++argv) : NULL;
 498             break;
 499         case 'n':
 500             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 501             if (arg == NULL) {
 502                 VERBOSE (ERROR, fprintf (stderr, "%s: missing number of columns\n", progname));
 503                 return usage (1);
 504             }
 505             nbcols = atoi (arg);
 506             break;
 507         case 'o':
 508             output = (arg[2]) ? arg + 2 : (--argc > 0 ) ? *(++argv) : NULL;
 509             break;
 510         case 'v':
 511             arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
 512             if (arg == NULL) {
 513                 VERBOSE (ERROR, fprintf (stderr, "%s: missing verbose level\n", progname));
 514                 return usage (1);
 515             }
 516             verbose = atoi (arg);
 517             break;
 518         case 'h':
 519         default:
 520             return usage (c != 'h');
 521         }
 522     }
 523
 524     /* check input */
 525     if (input) {
 526         fin = fopen (input, "rb");
 527         if (!fin) {
 528             VERBOSE (ERROR, fprintf (stderr, "error: can't open file '%s'\n", input));
 529             return 1;
 530         }
 531     } else {
 532         fin = stdin;
 533     }
 534
 535     /* check output */
 536     if (output) {
 537         fout = fopen (output, "wb");
 538         if (!fout) {
 539             VERBOSE (ERROR, fprintf (stderr, "error: can't open file '%s'\n", output));
 540             fclose (fin);
 541             return 1;
 542         }
 543     } else {
 544         //fout = stdout;
 545     }
 546
 547     /* get file size */
 548     if (fin != stdin) {
 549         fseek (fin, 0 , SEEK_END);
 550         unsigned long int filesize = ftell (fin);
 551         fseek (fin, 0 , SEEK_SET);
 552         nbdigits = getnbdigits (filesize);
 553     }
 554
 555     if (commands == NULL) {
 556         VERBOSE (DEBUG, printf ("no command\n"));
 557         hexdump (-1);
 558     } else {
 559         VERBOSE (DEBUG, printf ("commands: %s\n", commands));
 560         while ((*commands != '\0') && (rc == 0)) {
 561             switch (c = *commands++) {
 562             case ' ':
 563             case '\t':
 564                 break;
 565
 566             case '/': /* search pattern */
 567                 rc = getpattern (&seq, commands, &commands);
 568                 if (rc == 0) {
 569                     rc = searchseq (&seq);
 570                     if (rc == 1) {
 571                         VERBOSE (ERROR, fprintf (stderr, "can't find pattern '%s'\n", seq.sequence));
 572                     }
 573                 } else {
 574                     VERBOSE (ERROR, fprintf (stderr, "erroneous pattern '%s'\n", seq.sequence));
 575                 }
 576                 break;
 577
 578             case '0': /* read address */
 579                 if (*commands == 'x') {
 580                     commands++;
 581                     addr = strtol (commands, &commands, 16);
 582                 } else {
 583                     addr = strtol (commands, &commands, 8);
 584                 }
 585                 if (addr) {
 586                     rc = gotoaddr (addr);
 587                     if (rc == 1) {
 588                         VERBOSE (ERROR, fprintf (stderr, "can't find address (0x%0*lx)\n", getnbdigits (addr), addr));
 589                     }
 590                 } else {
 591                     VERBOSE (ERROR, fprintf (stderr, "erroneous address\n"));
 592                     rc = 1;
 593                 }
 594                 offset = 0;
 595                 break;
 596
 597             case '1':
 598             case '2':
 599             case '3':
 600             case '4':
 601             case '5':
 602             case '6':
 603             case '7':
 604             case '8':
 605             case '9': /* read address */
 606                 commands--;
 607                 addr = strtol (commands, &commands, 10);
 608                 rc = gotoaddr (addr);
 609                 if (rc == 1) {
 610                     VERBOSE (ERROR, fprintf (stderr, "can't find address (0x%0*lx)\n", getnbdigits (addr), addr));
 611                 }
 612                 offset = 0;
 613                 break;
 614
 615             case 'a': /* append mode */
 616                 offset = 0;
 617                 /* fall through */
 618
 619             case 'i': /* insert mode */
 620                 removespace (commands, &commands);
 621                 rc = gethexaseq (&seq, commands, &commands);
 622                 if (rc == 0) {
 623                     rc = insertseq (&seq);
 624                     if (rc == 1) {
 625                         VERBOSE (ERROR, fprintf (stderr, "can't jump (%d)\n", offset));
 626                     }
 627                 } else {
 628                     VERBOSE (ERROR, fprintf (stderr, "erroneous sequence '%s'\n", seq.sequence));
 629                 }
 630                 offset = 0;
 631                 break;
 632
 633             case '+': /* relative move */
 634                 /* fall through */
 635
 636             case 'd': /* delete mode */
 637                 /* fall through */
 638
 639             case 'p': /* print mode */
 640                 length = getlength (commands, &commands);
 641                 if (length == 0){
 642                     VERBOSE (ERROR, fprintf (stderr, "erroneous length\n"));
 643                     rc = 1;
 644                 } else {
 645                     switch (c) {
 646                     case '+':
 647                         rc = gotoaddr ((length > 0) ? addrfile + length : -1);
 648                         if (rc == 1) {
 649                             VERBOSE (ERROR, fprintf (stderr, "can't find address (0x%0*lx)\n", getnbdigits (addr), addr));
 650                         }
 651                         break;
 652
 653                     case 'd':
 654                         fseek (fin, length, SEEK_CUR);
 655                         break;
 656
 657                     case 'p':
 658                         hexdump (length);
 659                         break;
 660                     }
 661                 }
 662                 offset = 0;
 663                 break;
 664
 665             case 's': /* substitute mode */
 666                 if (*commands == '/') {
 667                     rc = getpattern (&seq, ++commands, &commands);
 668                     if (rc == 0) {
 669                         rc = searchseq (&seq);
 670                         if (rc == 0) {
 671                             fseek (fin, offset, SEEK_CUR);
 672                             rc = gethexaseq (&seq, commands, &commands);
 673                             commands++;
 674                             if (rc == 0) {
 675                                 offset = 0;
 676                                 rc = insertseq (&seq);
 677                                 if (rc == 1) {
 678                                     VERBOSE (ERROR, fprintf (stderr, "can't jump (%d)\n", offset));
 679                                 }
 680                             } else {
 681                                 VERBOSE (ERROR, fprintf (stderr, "erroneous sequence '%s'\n", seq.sequence));
 682                             }
 683                         } else {
 684                             VERBOSE (ERROR, fprintf (stderr, "can't find pattern '%s'\n", seq.sequence));
 685                         }
 686                     } else {
 687                         VERBOSE (ERROR, fprintf (stderr, "erroneous pattern '%s'\n", seq.sequence));
 688                     }
 689                 } else {
 690                     VERBOSE (ERROR, fprintf (stderr, "erroneous sequence '%s'\n", seq.sequence));
 691                     rc = 1;
 692                 }
 693                 offset = 0;
 694                 break;
 695
 696             default:
 697                 VERBOSE (ERROR, fprintf (stderr, "unknown command '%c'\n", commands[-1]));
 698                 rc = 1;
 699             }
 700         }
 701     }
 702
 703     /* end of file */
 704     if ((rc == 0) && (fout != NULL)) {
 705         while (!feof (fin)) {
 706             int nbread = fread (buffer, 1, BUFFERSIZE, fin);
 707             if (nbread) {
 708                 fwrite (buffer, 1, nbread, fout);
 709             }
 710         }
 711     }
 712
 713     /* close all */
 714     if (fin) fclose (fin);
 715     if (fout) fclose (fout);
 716
 717     return rc;
 718 }
 719
 720 // test: hexdump.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
 721 // test: hexdump.exe foo 2>&1 | grep -q 'invalid option'
 722 // test: hexdump.exe -n 2>&1 | grep -q 'missing number of columns'
 723 // test: hexdump.exe -v 2>&1 | grep -q 'missing verbose level'
 724 // test: hexdump.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
 725 // test: hexdump.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
 726 // test: hexdump.exe -i hexdump.c | grep -q '0x[0-9a-f]*: '
 727 // test: hexdump.exe -i hexdump.ko 2>&1 | grep -q "can't open file"
 728 // test: hexdump.exe -i hexdump.c -o ko/test.c 2>&1 | grep -q "can't open file"
 729 // test: cat hexdump.c | hexdump.exe -n 3 | head -2 | tail -1 | grep -q '0x000003: 64 65 70  dep'
 730 // test: hexdump.exe -i hexdump.c -n 3 | head -2 | tail -1 | grep -q '0x0003: 64 65 70  dep'
 731 // test: hexdump.exe -i hexdump.c -v 3 -n 8 | grep -q 'no command'
 732 // test: hexdump.exe -i hexdump.c -o test.c -e 'p 200' | tail -1 | grep -q '0x00c0:'
 733 // test: cmp hexdump.c test.c; x=$?; rm test.c; test x$x = x0
 734 // test: hexdump.exe -i hexdump.c -n 8 -e ' /cflags/ p 17 /debug/ p 8' | grep -q '0x0019: 2a 2f 0a 2f 2a 20 6c 69  \*\/\./\* li'
 735 // test: hexdump.exe -i hexdump.c -o test.c -e ' /cfl\x61gs/ p 16 /d\145bug/ p 8' | grep -q '0x0027: 64 65 62 75 67 2e 6f 20  debug.o'
 736 // test: cmp hexdump.c test.c; x=$?; rm test.c; test x$x = x0
 737 // test: hexdump.exe -i hexdump.c -e ' /\n/ p 8' | grep -q '0x000d: 0a 2f 2a 20 63 66 6c 61  \./\* cfla'
 738 // test: hexdump.exe -i hexdump.c -o test.c -e ' /\a\b\e\f\r\t\v/ p 8'; x=$?; test x$x = x1
 739 // test: cmp hexdump.c test.c; x=$?; rm test.c; test x$x = x0
 740 // test: hexdump.exe -i hexdump.c -v 3 -e " /\'/" -e ' /\"/' -e ' /\\/' -e ' /\x2a/' -e ' /\x3A/' | grep l: | wc -l | xargs test 5 =
 741 // test: hexdump.exe -i hexdump.c -e ' /\n\/* vim:/ p -' | grep -q ': 74 3a 20 2a 2f 0a *t: \*\/\.'
 742 // test: hexdump.exe -i hexdump.c -e 'p go_to_end' 2>&1 | grep -q 'unknown length'
 743 // test: hexdump.exe -i hexdump.c -e ' /\x41BCD/' 2>&1 | grep -q "can't find pattern"
 744 // test: hexdump.exe -i hexdump.c -e ' //' 2>&1 | grep -q 'erroneous pattern'
 745 // test: hexdump.exe -i hexdump.c -e 'foo' 2>&1 | grep -q 'unknown command'
 746 // test: hexdump.exe -i hexdump.c -e '0x20 p 8 64 p 8 0200 p 16' | grep -q '0x0080:'
 747 // test: hexdump.exe -i hexdump.c -e '07777777' 2>&1 | grep -q "can't find address"
 748 // test: hexdump.exe -i hexdump.c -e '0xFFFFFF' 2>&1 | grep -q "can't find address"
 749 // test: hexdump.exe -i hexdump.c -e '99999999' 2>&1 | grep -q "can't find address"
 750 // test: hexdump.exe -i hexdump.c -e '+9999999' 2>&1 | grep -q "can't find address"
 751 // test: hexdump.exe -i hexdump.c -e '0xg' 2>&1 | grep -q 'erroneous address'
 752 // test: hexdump.exe -i hexdump.c -o test.c -e ' /cflags/ a 414e5a /link/ i 2F333B'
 753 // test: grep -q '[A]NZcflags' test.c && grep -q '[l]ink/3;er' test.c; x=$?; rm test.c; test x$x = x0
 754 // test: hexdump.exe -i hexdump.c -e ' /cflags/ a 414e5' 2>&1 | grep -q 'erroneous sequence'
 755 // test: hexdump.exe -i hexdump.c -o test.c -e ' /lags/ d 2'
 756 // test: grep -q '[c]fgs' test.c; x=$?; rm test.c; test x$x = x0
 757 // test: hexdump.exe -i hexdump.c -o test.c -e ' /lags/ +2 i 2041'
 758 // test: grep -q '[c]fla Ags:' test.c; x=$?; rm test.c; test x$x = x0
 759 // test: hexdump.exe -i hexdump.c -o test.c -e ' s/lags/2041/'
 760 // test: grep -q '[c]f A:' test.c; x=$?; rm test.c; test x$x = x0
 761 // test: hexdump.exe -i hexdump.c -e ' s' 2>&1 | grep -q 'erroneous sequence'
 762 // test: hexdump.exe -i hexdump.c -e ' s//' 2>&1 | grep -q 'erroneous pattern'
 763 // test: hexdump.exe -i hexdump.c -e ' s/\x41BCD/2041/' 2>&1 | grep -q "can't find pattern"
 764 // test: hexdump.exe -i hexdump.c -e ' s/cflags/414e5/' 2>&1 | grep -q 'erroneous sequence'
 765 // test: hexdump.exe -i hexdump.exe | grep -q 'ffff'; test x$? = x1
 766
 767 /* vim: set ts=4 sw=4 et: */