/[pcre]/code/trunk/pcregrep.c
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revision 91 by nigel, Sat Feb 24 21:41:34 2007 UTC revision 151 by ph10, Tue Apr 17 15:07:29 2007 UTC
# Line 6  Line 6 
6  its pattern matching. On a Unix or Win32 system it can recurse into  its pattern matching. On a Unix or Win32 system it can recurse into
7  directories.  directories.
8    
9             Copyright (c) 1997-2006 University of Cambridge             Copyright (c) 1997-2007 University of Cambridge
10    
11  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
12  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 37  POSSIBILITY OF SUCH DAMAGE. Line 37  POSSIBILITY OF SUCH DAMAGE.
37  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
38  */  */
39    
40    #ifdef HAVE_CONFIG_H
41    #  include <config.h>
42    #endif
43    
44  #include <ctype.h>  #include <ctype.h>
45  #include <locale.h>  #include <locale.h>
46  #include <stdio.h>  #include <stdio.h>
# Line 46  POSSIBILITY OF SUCH DAMAGE. Line 50  POSSIBILITY OF SUCH DAMAGE.
50    
51  #include <sys/types.h>  #include <sys/types.h>
52  #include <sys/stat.h>  #include <sys/stat.h>
53  #include <unistd.h>  #ifdef HAVE_UNISTD_H
54    #  include <unistd.h>
55    #endif
56    
57  #include "config.h"  #include <pcre.h>
 #include "pcre.h"  
58    
59  #define FALSE 0  #define FALSE 0
60  #define TRUE 1  #define TRUE 1
61    
62  typedef int BOOL;  typedef int BOOL;
63    
 #define VERSION "4.3 01-Jun-2006"  
64  #define MAX_PATTERN_COUNT 100  #define MAX_PATTERN_COUNT 100
65    
66  #if BUFSIZ > 8192  #if BUFSIZ > 8192
# Line 65  typedef int BOOL; Line 69  typedef int BOOL;
69  #define MBUFTHIRD 8192  #define MBUFTHIRD 8192
70  #endif  #endif
71    
   
72  /* Values for the "filenames" variable, which specifies options for file name  /* Values for the "filenames" variable, which specifies options for file name
73  output. The order is important; it is assumed that a file name is wanted for  output. The order is important; it is assumed that a file name is wanted for
74  all values greater than FN_DEFAULT. */  all values greater than FN_DEFAULT. */
# Line 83  enum { DEE_READ, DEE_SKIP }; Line 86  enum { DEE_READ, DEE_SKIP };
86  #define PO_LINE_MATCH     0x0002  #define PO_LINE_MATCH     0x0002
87  #define PO_FIXED_STRINGS  0x0004  #define PO_FIXED_STRINGS  0x0004
88    
89    /* Line ending types */
90    
91    enum { EL_LF, EL_CR, EL_CRLF, EL_ANY, EL_ANYCRLF };
92    
93    
94    
95  /*************************************************  /*************************************************
# Line 100  static const char *jfriedl_prefix = ""; Line 107  static const char *jfriedl_prefix = "";
107  static const char *jfriedl_postfix = "";  static const char *jfriedl_postfix = "";
108  #endif  #endif
109    
110  static int  endlinebyte = '\n';     /* Last byte of endline sequence */  static int  endlinetype;
 static int  endlineextra = 0;       /* Extra bytes for endline sequence */  
111    
112  static char *colour_string = (char *)"1;31";  static char *colour_string = (char *)"1;31";
113  static char *colour_option = NULL;  static char *colour_option = NULL;
# Line 115  static char *locale = NULL; Line 121  static char *locale = NULL;
121  static const unsigned char *pcretables = NULL;  static const unsigned char *pcretables = NULL;
122    
123  static int  pattern_count = 0;  static int  pattern_count = 0;
124  static pcre **pattern_list;  static pcre **pattern_list = NULL;
125  static pcre_extra **hints_list;  static pcre_extra **hints_list = NULL;
126    
127  static char *include_pattern = NULL;  static char *include_pattern = NULL;
128  static char *exclude_pattern = NULL;  static char *exclude_pattern = NULL;
# Line 142  static BOOL number = FALSE; Line 148  static BOOL number = FALSE;
148  static BOOL only_matching = FALSE;  static BOOL only_matching = FALSE;
149  static BOOL quiet = FALSE;  static BOOL quiet = FALSE;
150  static BOOL silent = FALSE;  static BOOL silent = FALSE;
151    static BOOL utf8 = FALSE;
152    
153  /* Structure for options and list of them */  /* Structure for options and list of them */
154    
# Line 189  static option_item optionlist[] = { Line 196  static option_item optionlist[] = {
196    { OP_STRING,    N_LABEL,  &stdin_name,       "label=name",    "set name for standard input" },    { OP_STRING,    N_LABEL,  &stdin_name,       "label=name",    "set name for standard input" },
197    { OP_STRING,    N_LOCALE, &locale,           "locale=locale", "use the named locale" },    { OP_STRING,    N_LOCALE, &locale,           "locale=locale", "use the named locale" },
198    { OP_NODATA,    'M',      NULL,              "multiline",     "run in multiline mode" },    { OP_NODATA,    'M',      NULL,              "multiline",     "run in multiline mode" },
199    { OP_STRING,    'N',      &newline,          "newline=type",  "specify newline type (CR, LR, CRLF)" },    { OP_STRING,    'N',      &newline,          "newline=type",  "specify newline type (CR, LF, CRLF, ANYCRLF or ANY)" },
200    { OP_NODATA,    'n',      NULL,              "line-number",   "print line number with output lines" },    { OP_NODATA,    'n',      NULL,              "line-number",   "print line number with output lines" },
201    { OP_NODATA,    'o',      NULL,              "only-matching", "show only the part of the line that matched" },    { OP_NODATA,    'o',      NULL,              "only-matching", "show only the part of the line that matched" },
202    { OP_NODATA,    'q',      NULL,              "quiet",         "suppress output, just set return code" },    { OP_NODATA,    'q',      NULL,              "quiet",         "suppress output, just set return code" },
# Line 219  static const char *prefix[] = { Line 226  static const char *prefix[] = {
226  static const char *suffix[] = {  static const char *suffix[] = {
227    "", "\\b", ")$",   ")$",   "\\E", "\\E\\b", "\\E)$",   "\\E)$" };    "", "\\b", ")$",   ")$",   "\\E", "\\E\\b", "\\E)$",   "\\E)$" };
228    
229    /* UTF-8 tables - used only when the newline setting is "any". */
230    
231    const int utf8_table3[] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};
232    
233    const char utf8_table4[] = {
234      1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
235      1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
236      2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
237      3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 };
238    
239    
240    
241  /*************************************************  /*************************************************
# Line 231  although at present the only ones are fo Line 248  although at present the only ones are fo
248    
249  /************* Directory scanning in Unix ***********/  /************* Directory scanning in Unix ***********/
250    
251  #if IS_UNIX  #if defined HAVE_SYS_STAT_H && defined HAVE_DIRENT_H && defined HAVE_SYS_TYPES_H
252  #include <sys/types.h>  #include <sys/types.h>
253  #include <sys/stat.h>  #include <sys/stat.h>
254  #include <dirent.h>  #include <dirent.h>
# Line 263  for (;;) Line 280  for (;;)
280    if (strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0)    if (strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0)
281      return dent->d_name;      return dent->d_name;
282    }    }
283  return NULL;   /* Keep compiler happy; never executed */  /* Control never reaches here */
284  }  }
285    
286  static void  static void
# Line 301  Lionel Fourquaux. David Burgess added a Line 318  Lionel Fourquaux. David Burgess added a
318  when it did not exist. */  when it did not exist. */
319    
320    
321  #elif HAVE_WIN32API  #elif HAVE_WINDOWS_H
322    
323  #ifndef STRICT  #ifndef STRICT
324  # define STRICT  # define STRICT
# Line 423  FALSE; Line 440  FALSE;
440  typedef void directory_type;  typedef void directory_type;
441    
442  int isdirectory(char *filename) { return 0; }  int isdirectory(char *filename) { return 0; }
443  directory_type * opendirectory(char *filename) {}  directory_type * opendirectory(char *filename) { return (directory_type*)0;}
444  char *readdirectory(directory_type *dir) {}  char *readdirectory(directory_type *dir) { return (char*)0;}
445  void closedirectory(directory_type *dir) {}  void closedirectory(directory_type *dir) {}
446    
447    
# Line 448  return FALSE; Line 465  return FALSE;
465    
466    
467    
468  #if ! HAVE_STRERROR  #ifndef HAVE_STRERROR
469  /*************************************************  /*************************************************
470  *     Provide strerror() for non-ANSI libraries  *  *     Provide strerror() for non-ANSI libraries  *
471  *************************************************/  *************************************************/
# Line 471  return sys_errlist[n]; Line 488  return sys_errlist[n];
488    
489    
490  /*************************************************  /*************************************************
491    *             Find end of line                   *
492    *************************************************/
493    
494    /* The length of the endline sequence that is found is set via lenptr. This may
495    be zero at the very end of the file if there is no line-ending sequence there.
496    
497    Arguments:
498      p         current position in line
499      endptr    end of available data
500      lenptr    where to put the length of the eol sequence
501    
502    Returns:    pointer to the last byte of the line
503    */
504    
505    static char *
506    end_of_line(char *p, char *endptr, int *lenptr)
507    {
508    switch(endlinetype)
509      {
510      default:      /* Just in case */
511      case EL_LF:
512      while (p < endptr && *p != '\n') p++;
513      if (p < endptr)
514        {
515        *lenptr = 1;
516        return p + 1;
517        }
518      *lenptr = 0;
519      return endptr;
520    
521      case EL_CR:
522      while (p < endptr && *p != '\r') p++;
523      if (p < endptr)
524        {
525        *lenptr = 1;
526        return p + 1;
527        }
528      *lenptr = 0;
529      return endptr;
530    
531      case EL_CRLF:
532      for (;;)
533        {
534        while (p < endptr && *p != '\r') p++;
535        if (++p >= endptr)
536          {
537          *lenptr = 0;
538          return endptr;
539          }
540        if (*p == '\n')
541          {
542          *lenptr = 2;
543          return p + 1;
544          }
545        }
546      break;
547    
548      case EL_ANYCRLF:
549      while (p < endptr)
550        {
551        int extra = 0;
552        register int c = *((unsigned char *)p);
553    
554        if (utf8 && c >= 0xc0)
555          {
556          int gcii, gcss;
557          extra = utf8_table4[c & 0x3f];  /* Number of additional bytes */
558          gcss = 6*extra;
559          c = (c & utf8_table3[extra]) << gcss;
560          for (gcii = 1; gcii <= extra; gcii++)
561            {
562            gcss -= 6;
563            c |= (p[gcii] & 0x3f) << gcss;
564            }
565          }
566    
567        p += 1 + extra;
568    
569        switch (c)
570          {
571          case 0x0a:    /* LF */
572          *lenptr = 1;
573          return p;
574    
575          case 0x0d:    /* CR */
576          if (p < endptr && *p == 0x0a)
577            {
578            *lenptr = 2;
579            p++;
580            }
581          else *lenptr = 1;
582          return p;
583    
584          default:
585          break;
586          }
587        }   /* End of loop for ANYCRLF case */
588    
589      *lenptr = 0;  /* Must have hit the end */
590      return endptr;
591    
592      case EL_ANY:
593      while (p < endptr)
594        {
595        int extra = 0;
596        register int c = *((unsigned char *)p);
597    
598        if (utf8 && c >= 0xc0)
599          {
600          int gcii, gcss;
601          extra = utf8_table4[c & 0x3f];  /* Number of additional bytes */
602          gcss = 6*extra;
603          c = (c & utf8_table3[extra]) << gcss;
604          for (gcii = 1; gcii <= extra; gcii++)
605            {
606            gcss -= 6;
607            c |= (p[gcii] & 0x3f) << gcss;
608            }
609          }
610    
611        p += 1 + extra;
612    
613        switch (c)
614          {
615          case 0x0a:    /* LF */
616          case 0x0b:    /* VT */
617          case 0x0c:    /* FF */
618          *lenptr = 1;
619          return p;
620    
621          case 0x0d:    /* CR */
622          if (p < endptr && *p == 0x0a)
623            {
624            *lenptr = 2;
625            p++;
626            }
627          else *lenptr = 1;
628          return p;
629    
630          case 0x85:    /* NEL */
631          *lenptr = utf8? 2 : 1;
632          return p;
633    
634          case 0x2028:  /* LS */
635          case 0x2029:  /* PS */
636          *lenptr = 3;
637          return p;
638    
639          default:
640          break;
641          }
642        }   /* End of loop for ANY case */
643    
644      *lenptr = 0;  /* Must have hit the end */
645      return endptr;
646      }     /* End of overall switch */
647    }
648    
649    
650    
651    /*************************************************
652    *         Find start of previous line            *
653    *************************************************/
654    
655    /* This is called when looking back for before lines to print.
656    
657    Arguments:
658      p         start of the subsequent line
659      startptr  start of available data
660    
661    Returns:    pointer to the start of the previous line
662    */
663    
664    static char *
665    previous_line(char *p, char *startptr)
666    {
667    switch(endlinetype)
668      {
669      default:      /* Just in case */
670      case EL_LF:
671      p--;
672      while (p > startptr && p[-1] != '\n') p--;
673      return p;
674    
675      case EL_CR:
676      p--;
677      while (p > startptr && p[-1] != '\n') p--;
678      return p;
679    
680      case EL_CRLF:
681      for (;;)
682        {
683        p -= 2;
684        while (p > startptr && p[-1] != '\n') p--;
685        if (p <= startptr + 1 || p[-2] == '\r') return p;
686        }
687      return p;   /* But control should never get here */
688    
689      case EL_ANY:
690      case EL_ANYCRLF:
691      if (*(--p) == '\n' && p > startptr && p[-1] == '\r') p--;
692      if (utf8) while ((*p & 0xc0) == 0x80) p--;
693    
694      while (p > startptr)
695        {
696        register int c;
697        char *pp = p - 1;
698    
699        if (utf8)
700          {
701          int extra = 0;
702          while ((*pp & 0xc0) == 0x80) pp--;
703          c = *((unsigned char *)pp);
704          if (c >= 0xc0)
705            {
706            int gcii, gcss;
707            extra = utf8_table4[c & 0x3f];  /* Number of additional bytes */
708            gcss = 6*extra;
709            c = (c & utf8_table3[extra]) << gcss;
710            for (gcii = 1; gcii <= extra; gcii++)
711              {
712              gcss -= 6;
713              c |= (pp[gcii] & 0x3f) << gcss;
714              }
715            }
716          }
717        else c = *((unsigned char *)pp);
718    
719        if (endlinetype == EL_ANYCRLF) switch (c)
720          {
721          case 0x0a:    /* LF */
722          case 0x0d:    /* CR */
723          return p;
724    
725          default:
726          break;
727          }
728    
729        else switch (c)
730          {
731          case 0x0a:    /* LF */
732          case 0x0b:    /* VT */
733          case 0x0c:    /* FF */
734          case 0x0d:    /* CR */
735          case 0x85:    /* NEL */
736          case 0x2028:  /* LS */
737          case 0x2029:  /* PS */
738          return p;
739    
740          default:
741          break;
742          }
743    
744        p = pp;  /* Back one character */
745        }        /* End of loop for ANY case */
746    
747      return startptr;  /* Hit start of data */
748      }     /* End of overall switch */
749    }
750    
751    
752    
753    
754    
755    /*************************************************
756  *       Print the previous "after" lines         *  *       Print the previous "after" lines         *
757  *************************************************/  *************************************************/
758    
# Line 495  if (after_context > 0 && lastmatchnumber Line 777  if (after_context > 0 && lastmatchnumber
777    int count = 0;    int count = 0;
778    while (lastmatchrestart < endptr && count++ < after_context)    while (lastmatchrestart < endptr && count++ < after_context)
779      {      {
780        int ellength;
781      char *pp = lastmatchrestart;      char *pp = lastmatchrestart;
782      if (printname != NULL) fprintf(stdout, "%s-", printname);      if (printname != NULL) fprintf(stdout, "%s-", printname);
783      if (number) fprintf(stdout, "%d-", lastmatchnumber++);      if (number) fprintf(stdout, "%d-", lastmatchnumber++);
784      while (*pp != endlinebyte) pp++;      pp = end_of_line(pp, endptr, &ellength);
785      fwrite(lastmatchrestart, 1, pp - lastmatchrestart + (1 + endlineextra),      fwrite(lastmatchrestart, 1, pp - lastmatchrestart, stdout);
786        stdout);      lastmatchrestart = pp;
     lastmatchrestart = pp + 1;  
787      }      }
788    hyphenpending = TRUE;    hyphenpending = TRUE;
789    }    }
# Line 558  way, the buffer is shifted left and re-f Line 840  way, the buffer is shifted left and re-f
840    
841  while (ptr < endptr)  while (ptr < endptr)
842    {    {
843    int i;    int i, endlinelength;
844    int mrc = 0;    int mrc = 0;
845    BOOL match = FALSE;    BOOL match = FALSE;
846    char *t = ptr;    char *t = ptr;
# Line 571  while (ptr < endptr) Line 853  while (ptr < endptr)
853    line. In multiline mode the PCRE_FIRSTLINE option is used for compiling, so    line. In multiline mode the PCRE_FIRSTLINE option is used for compiling, so
854    that any match is constrained to be in the first line. */    that any match is constrained to be in the first line. */
855    
856    linelength = 0;    t = end_of_line(t, endptr, &endlinelength);
857    while (t < endptr && *t++ != endlinebyte) linelength++;    linelength = t - ptr - endlinelength;
858    length = multiline? endptr - ptr : linelength;    length = multiline? endptr - ptr : linelength;
859    
   
860    /* Extra processing for Jeffrey Friedl's debugging. */    /* Extra processing for Jeffrey Friedl's debugging. */
861    
862  #ifdef JFRIEDL_DEBUG  #ifdef JFRIEDL_DEBUG
# Line 706  while (ptr < endptr) Line 987  while (ptr < endptr)
987    
988        if (after_context > 0 && lastmatchnumber > 0)        if (after_context > 0 && lastmatchnumber > 0)
989          {          {
990            int ellength;
991          int linecount = 0;          int linecount = 0;
992          char *p = lastmatchrestart;          char *p = lastmatchrestart;
993    
994          while (p < ptr && linecount < after_context)          while (p < ptr && linecount < after_context)
995            {            {
996            while (*p != endlinebyte) p++;            p = end_of_line(p, ptr, &ellength);
           p++;  
997            linecount++;            linecount++;
998            }            }
999    
# Line 725  while (ptr < endptr) Line 1006  while (ptr < endptr)
1006            char *pp = lastmatchrestart;            char *pp = lastmatchrestart;
1007            if (printname != NULL) fprintf(stdout, "%s-", printname);            if (printname != NULL) fprintf(stdout, "%s-", printname);
1008            if (number) fprintf(stdout, "%d-", lastmatchnumber++);            if (number) fprintf(stdout, "%d-", lastmatchnumber++);
1009            while (*pp != endlinebyte) pp++;            pp = end_of_line(pp, endptr, &ellength);
1010            fwrite(lastmatchrestart, 1, pp - lastmatchrestart +            fwrite(lastmatchrestart, 1, pp - lastmatchrestart, stdout);
1011              (1 + endlineextra), stdout);            lastmatchrestart = pp;
           lastmatchrestart = pp + 1;  
1012            }            }
1013          if (lastmatchrestart != ptr) hyphenpending = TRUE;          if (lastmatchrestart != ptr) hyphenpending = TRUE;
1014          }          }
# Line 754  while (ptr < endptr) Line 1034  while (ptr < endptr)
1034                 linecount < before_context)                 linecount < before_context)
1035            {            {
1036            linecount++;            linecount++;
1037            p--;            p = previous_line(p, buffer);
           while (p > buffer && p[-1] != endlinebyte) p--;  
1038            }            }
1039    
1040          if (lastmatchnumber > 0 && p > lastmatchrestart && !hyphenprinted)          if (lastmatchnumber > 0 && p > lastmatchrestart && !hyphenprinted)
# Line 763  while (ptr < endptr) Line 1042  while (ptr < endptr)
1042    
1043          while (p < ptr)          while (p < ptr)
1044            {            {
1045              int ellength;
1046            char *pp = p;            char *pp = p;
1047            if (printname != NULL) fprintf(stdout, "%s-", printname);            if (printname != NULL) fprintf(stdout, "%s-", printname);
1048            if (number) fprintf(stdout, "%d-", linenumber - linecount--);            if (number) fprintf(stdout, "%d-", linenumber - linecount--);
1049            while (*pp != endlinebyte) pp++;            pp = end_of_line(pp, endptr, &ellength);
1050            fwrite(p, 1, pp - p + (1 + endlineextra), stdout);            fwrite(p, 1, pp - p, stdout);
1051            p = pp + 1;            p = pp;
1052            }            }
1053          }          }
1054    
# Line 788  while (ptr < endptr) Line 1068  while (ptr < endptr)
1068    
1069        if (multiline)        if (multiline)
1070          {          {
1071            int ellength;
1072          char *endmatch = ptr + offsets[1];          char *endmatch = ptr + offsets[1];
1073          t = ptr;          t = ptr;
1074          while (t < endmatch) { if (*t++ == endlinebyte) linenumber++; }          while (t < endmatch)
1075          while (endmatch < endptr && *endmatch != endlinebyte) endmatch++;            {
1076          linelength = endmatch - ptr;            t = end_of_line(t, endptr, &ellength);
1077              if (t <= endmatch) linenumber++; else break;
1078              }
1079            endmatch = end_of_line(endmatch, endptr, &ellength);
1080            linelength = endmatch - ptr - ellength;
1081          }          }
1082    
1083        /*** NOTE: Use only fwrite() to output the data line, so that binary        /*** NOTE: Use only fwrite() to output the data line, so that binary
# Line 824  while (ptr < endptr) Line 1109  while (ptr < endptr)
1109          fprintf(stdout, "%c[00m", 0x1b);          fprintf(stdout, "%c[00m", 0x1b);
1110          fwrite(ptr + offsets[1], 1, linelength - offsets[1], stdout);          fwrite(ptr + offsets[1], 1, linelength - offsets[1], stdout);
1111          }          }
1112        else fwrite(ptr, 1, linelength, stdout);        else fwrite(ptr, 1, linelength + endlinelength, stdout);
   
       fprintf(stdout, "\n");  
1113        }        }
1114    
1115      /* End of doing what has to be done for a match */      /* End of doing what has to be done for a match */
# Line 836  while (ptr < endptr) Line 1119  while (ptr < endptr)
1119      /* Remember where the last match happened for after_context. We remember      /* Remember where the last match happened for after_context. We remember
1120      where we are about to restart, and that line's number. */      where we are about to restart, and that line's number. */
1121    
1122      lastmatchrestart = ptr + linelength + 1;      lastmatchrestart = ptr + linelength + endlinelength;
1123      lastmatchnumber = linenumber + 1;      lastmatchnumber = linenumber + 1;
1124      }      }
1125    
1126    /* Advance to after the newline and increment the line number. */    /* Advance to after the newline and increment the line number. */
1127    
1128    ptr += linelength + 1;    ptr += linelength + endlinelength;
1129    linenumber++;    linenumber++;
1130    
1131    /* If we haven't yet reached the end of the file (the buffer is full), and    /* If we haven't yet reached the end of the file (the buffer is full), and
# Line 1098  switch(letter) Line 1381  switch(letter)
1381    case 'q': quiet = TRUE; break;    case 'q': quiet = TRUE; break;
1382    case 'r': dee_action = dee_RECURSE; break;    case 'r': dee_action = dee_RECURSE; break;
1383    case 's': silent = TRUE; break;    case 's': silent = TRUE; break;
1384    case 'u': options |= PCRE_UTF8; break;    case 'u': options |= PCRE_UTF8; utf8 = TRUE; break;
1385    case 'v': invert = TRUE; break;    case 'v': invert = TRUE; break;
1386    case 'w': process_options |= PO_WORD_MATCH; break;    case 'w': process_options |= PO_WORD_MATCH; break;
1387    case 'x': process_options |= PO_LINE_MATCH; break;    case 'x': process_options |= PO_LINE_MATCH; break;
1388    
1389    case 'V':    case 'V':
1390    fprintf(stderr, "pcregrep version %s using ", VERSION);    fprintf(stderr, "pcregrep version %s\n", pcre_version());
   fprintf(stderr, "PCRE version %s\n", pcre_version());  
1391    exit(0);    exit(0);
1392    break;    break;
1393    
# Line 1181  sprintf(buffer, "%s%.*s%s", prefix[proce Line 1463  sprintf(buffer, "%s%.*s%s", prefix[proce
1463    suffix[process_options]);    suffix[process_options]);
1464  pattern_list[pattern_count] =  pattern_list[pattern_count] =
1465    pcre_compile(buffer, options, &error, &errptr, pcretables);    pcre_compile(buffer, options, &error, &errptr, pcretables);
1466  if (pattern_list[pattern_count++] != NULL) return TRUE;  if (pattern_list[pattern_count] != NULL)
1467      {
1468      pattern_count++;
1469      return TRUE;
1470      }
1471    
1472  /* Handle compile errors */  /* Handle compile errors */
1473    
# Line 1231  compile_pattern(char *pattern, int optio Line 1517  compile_pattern(char *pattern, int optio
1517  {  {
1518  if ((process_options & PO_FIXED_STRINGS) != 0)  if ((process_options & PO_FIXED_STRINGS) != 0)
1519    {    {
1520      char *eop = pattern + strlen(pattern);
1521    char buffer[MBUFTHIRD];    char buffer[MBUFTHIRD];
1522    for(;;)    for(;;)
1523      {      {
1524      char *p = strchr(pattern, endlinebyte);      int ellength;
1525      if (p == NULL)      char *p = end_of_line(pattern, eop, &ellength);
1526        if (ellength == 0)
1527        return compile_single_pattern(pattern, options, filename, count);        return compile_single_pattern(pattern, options, filename, count);
1528      sprintf(buffer, "%.*s", p - pattern - endlineextra, pattern);      sprintf(buffer, "%.*s", (int)(p - pattern - ellength), pattern);
1529      pattern = p + 1;      pattern = p;
1530      if (!compile_single_pattern(buffer, options, filename, count))      if (!compile_single_pattern(buffer, options, filename, count))
1531        return FALSE;        return FALSE;
1532      }      }
# Line 1261  int i, j; Line 1549  int i, j;
1549  int rc = 1;  int rc = 1;
1550  int pcre_options = 0;  int pcre_options = 0;
1551  int cmd_pattern_count = 0;  int cmd_pattern_count = 0;
1552    int hint_count = 0;
1553  int errptr;  int errptr;
1554  BOOL only_one_at_top;  BOOL only_one_at_top;
1555  char *patterns[MAX_PATTERN_COUNT];  char *patterns[MAX_PATTERN_COUNT];
1556  const char *locale_from = "--locale";  const char *locale_from = "--locale";
1557  const char *error;  const char *error;
1558    
1559  /* Set the default line ending value from the default in the PCRE library. */  /* Set the default line ending value from the default in the PCRE library;
1560    "lf", "cr", "crlf", and "any" are supported. Anything else is treated as "lf".
1561    */
1562    
1563  (void)pcre_config(PCRE_CONFIG_NEWLINE, &i);  (void)pcre_config(PCRE_CONFIG_NEWLINE, &i);
1564  switch(i)  switch(i)
# Line 1275  switch(i) Line 1566  switch(i)
1566    default:                 newline = (char *)"lf"; break;    default:                 newline = (char *)"lf"; break;
1567    case '\r':               newline = (char *)"cr"; break;    case '\r':               newline = (char *)"cr"; break;
1568    case ('\r' << 8) | '\n': newline = (char *)"crlf"; break;    case ('\r' << 8) | '\n': newline = (char *)"crlf"; break;
1569      case -1:                 newline = (char *)"any"; break;
1570      case -2:                 newline = (char *)"anycrlf"; break;
1571    }    }
1572    
1573  /* Process the options */  /* Process the options */
# Line 1351  for (i = 1; i < argc; i++) Line 1644  for (i = 1; i < argc; i++)
1644          char buff2[24];          char buff2[24];
1645          int baselen = opbra - op->long_name;          int baselen = opbra - op->long_name;
1646          sprintf(buff1, "%.*s", baselen, op->long_name);          sprintf(buff1, "%.*s", baselen, op->long_name);
1647          sprintf(buff2, "%s%.*s", buff1, strlen(op->long_name) - baselen - 2,          sprintf(buff2, "%s%.*s", buff1,
1648            opbra + 1);            (int)strlen(op->long_name) - baselen - 2, opbra + 1);
1649          if (strcmp(arg, buff1) == 0 || strcmp(arg, buff2) == 0)          if (strcmp(arg, buff1) == 0 || strcmp(arg, buff2) == 0)
1650            break;            break;
1651          }          }
# Line 1565  if (colour_option != NULL && strcmp(colo Line 1858  if (colour_option != NULL && strcmp(colo
1858  if (strcmp(newline, "cr") == 0 || strcmp(newline, "CR") == 0)  if (strcmp(newline, "cr") == 0 || strcmp(newline, "CR") == 0)
1859    {    {
1860    pcre_options |= PCRE_NEWLINE_CR;    pcre_options |= PCRE_NEWLINE_CR;
1861    endlinebyte = '\r';    endlinetype = EL_CR;
1862    }    }
1863  else if (strcmp(newline, "lf") == 0 || strcmp(newline, "LF") == 0)  else if (strcmp(newline, "lf") == 0 || strcmp(newline, "LF") == 0)
1864    {    {
1865    pcre_options |= PCRE_NEWLINE_LF;    pcre_options |= PCRE_NEWLINE_LF;
1866      endlinetype = EL_LF;
1867    }    }
1868  else if (strcmp(newline, "crlf") == 0 || strcmp(newline, "CRLF") == 0)  else if (strcmp(newline, "crlf") == 0 || strcmp(newline, "CRLF") == 0)
1869    {    {
1870    pcre_options |= PCRE_NEWLINE_CRLF;    pcre_options |= PCRE_NEWLINE_CRLF;
1871    endlineextra = 1;    endlinetype = EL_CRLF;
1872      }
1873    else if (strcmp(newline, "any") == 0 || strcmp(newline, "ANY") == 0)
1874      {
1875      pcre_options |= PCRE_NEWLINE_ANY;
1876      endlinetype = EL_ANY;
1877      }
1878    else if (strcmp(newline, "anycrlf") == 0 || strcmp(newline, "ANYCRLF") == 0)
1879      {
1880      pcre_options |= PCRE_NEWLINE_ANYCRLF;
1881      endlinetype = EL_ANYCRLF;
1882    }    }
1883  else  else
1884    {    {
# Line 1630  hints_list = (pcre_extra **)malloc(MAX_P Line 1934  hints_list = (pcre_extra **)malloc(MAX_P
1934  if (pattern_list == NULL || hints_list == NULL)  if (pattern_list == NULL || hints_list == NULL)
1935    {    {
1936    fprintf(stderr, "pcregrep: malloc failed\n");    fprintf(stderr, "pcregrep: malloc failed\n");
1937    return 2;    goto EXIT2;
1938    }    }
1939    
1940  /* If no patterns were provided by -e, and there is no file provided by -f,  /* If no patterns were provided by -e, and there is no file provided by -f,
# Line 1649  for (j = 0; j < cmd_pattern_count; j++) Line 1953  for (j = 0; j < cmd_pattern_count; j++)
1953    {    {
1954    if (!compile_pattern(patterns[j], pcre_options, NULL,    if (!compile_pattern(patterns[j], pcre_options, NULL,
1955         (j == 0 && cmd_pattern_count == 1)? 0 : j + 1))         (j == 0 && cmd_pattern_count == 1)? 0 : j + 1))
1956      return 2;      goto EXIT2;
1957    }    }
1958    
1959  /* Compile the regular expressions that are provided in a file. */  /* Compile the regular expressions that are provided in a file. */
# Line 1673  if (pattern_filename != NULL) Line 1977  if (pattern_filename != NULL)
1977        {        {
1978        fprintf(stderr, "pcregrep: Failed to open %s: %s\n", pattern_filename,        fprintf(stderr, "pcregrep: Failed to open %s: %s\n", pattern_filename,
1979          strerror(errno));          strerror(errno));
1980        return 2;        goto EXIT2;
1981        }        }
1982      filename = pattern_filename;      filename = pattern_filename;
1983      }      }
# Line 1686  if (pattern_filename != NULL) Line 1990  if (pattern_filename != NULL)
1990      linenumber++;      linenumber++;
1991      if (buffer[0] == 0) continue;   /* Skip blank lines */      if (buffer[0] == 0) continue;   /* Skip blank lines */
1992      if (!compile_pattern(buffer, pcre_options, filename, linenumber))      if (!compile_pattern(buffer, pcre_options, filename, linenumber))
1993        return 2;        goto EXIT2;
1994      }      }
1995    
1996    if (f != stdin) fclose(f);    if (f != stdin) fclose(f);
# Line 1702  for (j = 0; j < pattern_count; j++) Line 2006  for (j = 0; j < pattern_count; j++)
2006      char s[16];      char s[16];
2007      if (pattern_count == 1) s[0] = 0; else sprintf(s, " number %d", j);      if (pattern_count == 1) s[0] = 0; else sprintf(s, " number %d", j);
2008      fprintf(stderr, "pcregrep: Error while studying regex%s: %s\n", s, error);      fprintf(stderr, "pcregrep: Error while studying regex%s: %s\n", s, error);
2009      return 2;      goto EXIT2;
2010      }      }
2011      hint_count++;
2012    }    }
2013    
2014  /* If there are include or exclude patterns, compile them. */  /* If there are include or exclude patterns, compile them. */
# Line 1716  if (exclude_pattern != NULL) Line 2021  if (exclude_pattern != NULL)
2021      {      {
2022      fprintf(stderr, "pcregrep: Error in 'exclude' regex at offset %d: %s\n",      fprintf(stderr, "pcregrep: Error in 'exclude' regex at offset %d: %s\n",
2023        errptr, error);        errptr, error);
2024      return 2;      goto EXIT2;
2025      }      }
2026    }    }
2027    
# Line 1728  if (include_pattern != NULL) Line 2033  if (include_pattern != NULL)
2033      {      {
2034      fprintf(stderr, "pcregrep: Error in 'include' regex at offset %d: %s\n",      fprintf(stderr, "pcregrep: Error in 'include' regex at offset %d: %s\n",
2035        errptr, error);        errptr, error);
2036      return 2;      goto EXIT2;
2037      }      }
2038    }    }
2039    
2040  /* If there are no further arguments, do the business on stdin and exit. */  /* If there are no further arguments, do the business on stdin and exit. */
2041    
2042  if (i >= argc)  if (i >= argc)
2043    return pcregrep(stdin, (filenames > FN_DEFAULT)? stdin_name : NULL);    {
2044      rc = pcregrep(stdin, (filenames > FN_DEFAULT)? stdin_name : NULL);
2045      goto EXIT;
2046      }
2047    
2048  /* Otherwise, work through the remaining arguments as files or directories.  /* Otherwise, work through the remaining arguments as files or directories.
2049  Pass in the fact that there is only one argument at top level - this suppresses  Pass in the fact that there is only one argument at top level - this suppresses
# Line 1752  for (; i < argc; i++) Line 2060  for (; i < argc; i++)
2060      else if (frc == 0 && rc == 1) rc = 0;      else if (frc == 0 && rc == 1) rc = 0;
2061    }    }
2062    
2063    EXIT:
2064    if (pattern_list != NULL)
2065      {
2066      for (i = 0; i < pattern_count; i++) free(pattern_list[i]);
2067      free(pattern_list);
2068      }
2069    if (hints_list != NULL)
2070      {
2071      for (i = 0; i < hint_count; i++) free(hints_list[i]);
2072      free(hints_list);
2073      }
2074  return rc;  return rc;
2075    
2076    EXIT2:
2077    rc = 2;
2078    goto EXIT;
2079  }  }
2080    
2081  /* End of pcregrep */  /* End of pcregrep */
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