/[pcre]/code/trunk/pcretest.c
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revision 85 by nigel, Sat Feb 24 21:41:13 2007 UTC revision 87 by nigel, Sat Feb 24 21:41:21 2007 UTC
# Line 475  return ((value & 0x000000ff) << 24) | Line 475  return ((value & 0x000000ff) << 24) |
475    
476    
477  /*************************************************  /*************************************************
478    *        Check match or recursion limit          *
479    *************************************************/
480    
481    static int
482    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
483      int start_offset, int options, int *use_offsets, int use_size_offsets,
484      int flag, unsigned long int *limit, int errnumber, const char *msg)
485    {
486    int count;
487    int min = 0;
488    int mid = 64;
489    int max = -1;
490    
491    extra->flags |= flag;
492    
493    for (;;)
494      {
495      *limit = mid;
496    
497      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
498        use_offsets, use_size_offsets);
499    
500      if (count == errnumber)
501        {
502        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
503        min = mid;
504        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
505        }
506    
507      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
508                             count == PCRE_ERROR_PARTIAL)
509        {
510        if (mid == min + 1)
511          {
512          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
513          break;
514          }
515        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
516        max = mid;
517        mid = (min + mid)/2;
518        }
519      else break;    /* Some other error */
520      }
521    
522    extra->flags &= ~flag;
523    return count;
524    }
525    
526    
527    
528    /*************************************************
529  *                Main Program                    *  *                Main Program                    *
530  *************************************************/  *************************************************/
531    
# Line 491  int op = 1; Line 542  int op = 1;
542  int timeit = 0;  int timeit = 0;
543  int showinfo = 0;  int showinfo = 0;
544  int showstore = 0;  int showstore = 0;
545    int quiet = 0;
546  int size_offsets = 45;  int size_offsets = 45;
547  int size_offsets_max;  int size_offsets_max;
548  int *offsets = NULL;  int *offsets = NULL;
# Line 531  while (argc > 1 && argv[op][0] == '-') Line 583  while (argc > 1 && argv[op][0] == '-')
583    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
584      showstore = 1;      showstore = 1;
585    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-t") == 0) timeit = 1;
586      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
587    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
588    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
589  #if !defined NODFA  #if !defined NODFA
# Line 563  while (argc > 1 && argv[op][0] == '-') Line 616  while (argc > 1 && argv[op][0] == '-')
616      printf("  POSIX malloc threshold = %d\n", rc);      printf("  POSIX malloc threshold = %d\n", rc);
617      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &rc);      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &rc);
618      printf("  Default match limit = %d\n", rc);      printf("  Default match limit = %d\n", rc);
619        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &rc);
620        printf("  Default recursion depth limit = %d\n", rc);
621      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
622      printf("  Match recursion uses %s\n", rc? "stack" : "heap");      printf("  Match recursion uses %s\n", rc? "stack" : "heap");
623      exit(0);      exit(0);
# Line 634  pcre_free = new_free; Line 689  pcre_free = new_free;
689  pcre_stack_malloc = stack_malloc;  pcre_stack_malloc = stack_malloc;
690  pcre_stack_free = stack_free;  pcre_stack_free = stack_free;
691    
692  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
693    
694  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
695    
696  /* Main loop */  /* Main loop */
697    
# Line 896  while (!done) Line 951  while (!done)
951      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
952      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
953      if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;      if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
954        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
955        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
956    
957      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
958    
959      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 1111  while (!done) Line 1169  while (!done)
1169          fprintf(outfile, "Partial matching not supported\n");          fprintf(outfile, "Partial matching not supported\n");
1170    
1171        if (get_options == 0) fprintf(outfile, "No options\n");        if (get_options == 0) fprintf(outfile, "No options\n");
1172          else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s\n",          else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s\n",
1173            ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",            ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1174            ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",            ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1175            ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",            ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
# Line 1121  while (!done) Line 1179  while (!done)
1179            ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",            ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1180            ((get_options & PCRE_EXTRA) != 0)? " extra" : "",            ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1181            ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",            ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1182              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1183            ((get_options & PCRE_UTF8) != 0)? " utf8" : "",            ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1184            ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "");            ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "");
1185    
# Line 1266  while (!done) Line 1325  while (!done)
1325    
1326    for (;;)    for (;;)
1327      {      {
1328      unsigned char *q;      uschar *q;
1329      unsigned char *bptr = dbuffer;      uschar *bptr = dbuffer;
1330      int *use_offsets = offsets;      int *use_offsets = offsets;
1331      int use_size_offsets = size_offsets;      int use_size_offsets = size_offsets;
1332      int callout_data = 0;      int callout_data = 0;
# Line 1555  while (!done) Line 1614  while (!done)
1614          (void)regerror(rc, &preg, (char *)buffer, BUFFER_SIZE);          (void)regerror(rc, &preg, (char *)buffer, BUFFER_SIZE);
1615          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
1616          }          }
1617          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
1618                  != 0)
1619            {
1620            fprintf(outfile, "Matched with REG_NOSUB\n");
1621            }
1622        else        else
1623          {          {
1624          size_t i;          size_t i;
# Line 1615  while (!done) Line 1679  while (!done)
1679          }          }
1680    
1681        /* If find_match_limit is set, we want to do repeated matches with        /* If find_match_limit is set, we want to do repeated matches with
1682        varying limits in order to find the minimum value. */        varying limits in order to find the minimum value for the match limit and
1683          for the recursion limit. */
1684    
1685        if (find_match_limit)        if (find_match_limit)
1686          {          {
         int min = 0;  
         int mid = 64;  
         int max = -1;  
   
1687          if (extra == NULL)          if (extra == NULL)
1688            {            {
1689            extra = (pcre_extra *)malloc(sizeof(pcre_extra));            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1690            extra->flags = 0;            extra->flags = 0;
1691            }            }
         extra->flags |= PCRE_EXTRA_MATCH_LIMIT;  
   
         for (;;)  
           {  
           extra->match_limit = mid;  
           count = pcre_exec(re, extra, (char *)bptr, len, start_offset,  
             options | g_notempty, use_offsets, use_size_offsets);  
           if (count == PCRE_ERROR_MATCHLIMIT)  
             {  
             /* fprintf(outfile, "Testing match limit = %d\n", mid); */  
             min = mid;  
             mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;  
             }  
           else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||  
                                  count == PCRE_ERROR_PARTIAL)  
             {  
             if (mid == min + 1)  
               {  
               fprintf(outfile, "Minimum match limit = %d\n", mid);  
               break;  
               }  
             /* fprintf(outfile, "Testing match limit = %d\n", mid); */  
             max = mid;  
             mid = (min + mid)/2;  
             }  
           else break;    /* Some other error */  
           }  
1692    
1693          extra->flags &= ~PCRE_EXTRA_MATCH_LIMIT;          count = check_match_limit(re, extra, bptr, len, start_offset,
1694              options|g_notempty, use_offsets, use_size_offsets,
1695              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
1696              PCRE_ERROR_MATCHLIMIT, "match()");
1697    
1698            count = check_match_limit(re, extra, bptr, len, start_offset,
1699              options|g_notempty, use_offsets, use_size_offsets,
1700              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
1701              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
1702          }          }
1703    
1704        /* If callout_data is set, use the interface with additional data */        /* If callout_data is set, use the interface with additional data */
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