/[pcre]/code/trunk/pcregrep.c
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revision 515 by ph10, Tue May 4 09:12:25 2010 UTC revision 587 by ph10, Fri Jan 14 19:01:25 2011 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) 1997-2010 University of Cambridge             Copyright (c) 1997-2011 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 104  enum { DEE_READ, DEE_SKIP }; Line 104  enum { DEE_READ, DEE_SKIP };
104    
105  enum { EL_LF, EL_CR, EL_CRLF, EL_ANY, EL_ANYCRLF };  enum { EL_LF, EL_CR, EL_CRLF, EL_ANY, EL_ANYCRLF };
106    
107  /* In newer versions of gcc, with FORTIFY_SOURCE set (the default in some  /* In newer versions of gcc, with FORTIFY_SOURCE set (the default in some
108  environments), a warning is issued if the value of fwrite() is ignored.  environments), a warning is issued if the value of fwrite() is ignored.
109  Unfortunately, casting to (void) does not suppress the warning. To get round  Unfortunately, casting to (void) does not suppress the warning. To get round
110  this, we use a macro that compiles a fudge. Oddly, this does not also seem to  this, we use a macro that compiles a fudge. Oddly, this does not also seem to
111  apply to fprintf(). */  apply to fprintf(). */
112    
113  #define FWRITE(a,b,c,d) if (fwrite(a,b,c,d)) {}  #define FWRITE(a,b,c,d) if (fwrite(a,b,c,d)) {}
# Line 163  static int dee_action = dee_READ; Line 163  static int dee_action = dee_READ;
163  static int DEE_action = DEE_READ;  static int DEE_action = DEE_READ;
164  static int error_count = 0;  static int error_count = 0;
165  static int filenames = FN_DEFAULT;  static int filenames = FN_DEFAULT;
166    static int only_matching = -1;
167  static int process_options = 0;  static int process_options = 0;
168    
169    static unsigned long int match_limit = 0;
170    static unsigned long int match_limit_recursion = 0;
171    
172  static BOOL count_only = FALSE;  static BOOL count_only = FALSE;
173  static BOOL do_colour = FALSE;  static BOOL do_colour = FALSE;
174  static BOOL file_offsets = FALSE;  static BOOL file_offsets = FALSE;
175  static BOOL hyphenpending = FALSE;  static BOOL hyphenpending = FALSE;
176  static BOOL invert = FALSE;  static BOOL invert = FALSE;
177    static BOOL line_buffered = FALSE;
178  static BOOL line_offsets = FALSE;  static BOOL line_offsets = FALSE;
179  static BOOL multiline = FALSE;  static BOOL multiline = FALSE;
180  static BOOL number = FALSE;  static BOOL number = FALSE;
181  static BOOL omit_zero_count = FALSE;  static BOOL omit_zero_count = FALSE;
182  static BOOL only_matching = FALSE;  static BOOL resource_error = FALSE;
183  static BOOL quiet = FALSE;  static BOOL quiet = FALSE;
184  static BOOL silent = FALSE;  static BOOL silent = FALSE;
185  static BOOL utf8 = FALSE;  static BOOL utf8 = FALSE;
186    
187  /* Structure for options and list of them */  /* Structure for options and list of them */
188    
189  enum { OP_NODATA, OP_STRING, OP_OP_STRING, OP_NUMBER, OP_OP_NUMBER,  enum { OP_NODATA, OP_STRING, OP_OP_STRING, OP_NUMBER, OP_LONGNUMBER,
190         OP_PATLIST };         OP_OP_NUMBER, OP_PATLIST };
191    
192  typedef struct option_item {  typedef struct option_item {
193    int type;    int type;
# Line 206  used to identify them. */ Line 211  used to identify them. */
211  #define N_NULL         (-9)  #define N_NULL         (-9)
212  #define N_LOFFSETS     (-10)  #define N_LOFFSETS     (-10)
213  #define N_FOFFSETS     (-11)  #define N_FOFFSETS     (-11)
214    #define N_LBUFFER      (-12)
215    #define N_M_LIMIT      (-13)
216    #define N_M_LIMIT_REC  (-14)
217    
218  static option_item optionlist[] = {  static option_item optionlist[] = {
219    { OP_NODATA,    N_NULL,   NULL,              "",              "  terminate options" },    { OP_NODATA,     N_NULL,   NULL,              "",              "  terminate options" },
220    { OP_NODATA,    N_HELP,   NULL,              "help",          "display this help and exit" },    { OP_NODATA,     N_HELP,   NULL,              "help",          "display this help and exit" },
221    { OP_NUMBER,    'A',      &after_context,    "after-context=number", "set number of following context lines" },    { OP_NUMBER,     'A',      &after_context,    "after-context=number", "set number of following context lines" },
222    { OP_NUMBER,    'B',      &before_context,   "before-context=number", "set number of prior context lines" },    { OP_NUMBER,     'B',      &before_context,   "before-context=number", "set number of prior context lines" },
223    { OP_OP_STRING, N_COLOUR, &colour_option,    "color=option",  "matched text color option" },    { OP_OP_STRING,  N_COLOUR, &colour_option,    "color=option",  "matched text color option" },
224    { OP_NUMBER,    'C',      &both_context,     "context=number", "set number of context lines, before & after" },    { OP_OP_STRING,  N_COLOUR, &colour_option,    "colour=option", "matched text colour option" },
225    { OP_NODATA,    'c',      NULL,              "count",         "print only a count of matching lines per FILE" },    { OP_NUMBER,     'C',      &both_context,     "context=number", "set number of context lines, before & after" },
226    { OP_OP_STRING, N_COLOUR, &colour_option,    "colour=option", "matched text colour option" },    { OP_NODATA,     'c',      NULL,              "count",         "print only a count of matching lines per FILE" },
227    { OP_STRING,    'D',      &DEE_option,       "devices=action","how to handle devices, FIFOs, and sockets" },    { OP_STRING,     'D',      &DEE_option,       "devices=action","how to handle devices, FIFOs, and sockets" },
228    { OP_STRING,    'd',      &dee_option,       "directories=action", "how to handle directories" },    { OP_STRING,     'd',      &dee_option,       "directories=action", "how to handle directories" },
229    { OP_PATLIST,   'e',      NULL,              "regex(p)=pattern", "specify pattern (may be used more than once)" },    { OP_PATLIST,    'e',      NULL,              "regex(p)=pattern", "specify pattern (may be used more than once)" },
230    { OP_NODATA,    'F',      NULL,              "fixed-strings", "patterns are sets of newline-separated strings" },    { OP_NODATA,     'F',      NULL,              "fixed-strings", "patterns are sets of newline-separated strings" },
231    { OP_STRING,    'f',      &pattern_filename, "file=path",     "read patterns from file" },    { OP_STRING,     'f',      &pattern_filename, "file=path",     "read patterns from file" },
232    { OP_NODATA,    N_FOFFSETS, NULL,            "file-offsets",  "output file offsets, not text" },    { OP_NODATA,     N_FOFFSETS, NULL,            "file-offsets",  "output file offsets, not text" },
233    { OP_NODATA,    'H',      NULL,              "with-filename", "force the prefixing filename on output" },    { OP_NODATA,     'H',      NULL,              "with-filename", "force the prefixing filename on output" },
234    { OP_NODATA,    'h',      NULL,              "no-filename",   "suppress the prefixing filename on output" },    { OP_NODATA,     'h',      NULL,              "no-filename",   "suppress the prefixing filename on output" },
235    { OP_NODATA,    'i',      NULL,              "ignore-case",   "ignore case distinctions" },    { OP_NODATA,     'i',      NULL,              "ignore-case",   "ignore case distinctions" },
236    { OP_NODATA,    'l',      NULL,              "files-with-matches", "print only FILE names containing matches" },    { OP_NODATA,     'l',      NULL,              "files-with-matches", "print only FILE names containing matches" },
237    { OP_NODATA,    'L',      NULL,              "files-without-match","print only FILE names not containing matches" },    { OP_NODATA,     'L',      NULL,              "files-without-match","print only FILE names not containing matches" },
238    { 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" },
239    { OP_NODATA,    N_LOFFSETS, NULL,            "line-offsets",  "output line numbers and offsets, not text" },    { OP_NODATA,     N_LBUFFER, NULL,             "line-buffered", "use line buffering" },
240    { OP_STRING,    N_LOCALE, &locale,           "locale=locale", "use the named locale" },    { OP_NODATA,     N_LOFFSETS, NULL,            "line-offsets",  "output line numbers and offsets, not text" },
241    { OP_NODATA,    'M',      NULL,              "multiline",     "run in multiline mode" },    { OP_STRING,     N_LOCALE, &locale,           "locale=locale", "use the named locale" },
242    { OP_STRING,    'N',      &newline,          "newline=type",  "set newline type (CR, LF, CRLF, ANYCRLF or ANY)" },    { OP_LONGNUMBER, N_M_LIMIT, &match_limit,     "match-limit=number", "set PCRE match limit option" },
243    { OP_NODATA,    'n',      NULL,              "line-number",   "print line number with output lines" },    { OP_LONGNUMBER, N_M_LIMIT_REC, &match_limit_recursion, "recursion-limit=number", "set PCRE match recursion limit option" },
244    { OP_NODATA,    'o',      NULL,              "only-matching", "show only the part of the line that matched" },    { OP_NODATA,     'M',      NULL,              "multiline",     "run in multiline mode" },
245    { OP_NODATA,    'q',      NULL,              "quiet",         "suppress output, just set return code" },    { OP_STRING,     'N',      &newline,          "newline=type",  "set newline type (CR, LF, CRLF, ANYCRLF or ANY)" },
246    { OP_NODATA,    'r',      NULL,              "recursive",     "recursively scan sub-directories" },    { OP_NODATA,     'n',      NULL,              "line-number",   "print line number with output lines" },
247    { OP_STRING,    N_EXCLUDE,&exclude_pattern,  "exclude=pattern","exclude matching files when recursing" },    { OP_OP_NUMBER,  'o',      &only_matching,    "only-matching=n", "show only the part of the line that matched" },
248    { OP_STRING,    N_INCLUDE,&include_pattern,  "include=pattern","include matching files when recursing" },    { OP_NODATA,     'q',      NULL,              "quiet",         "suppress output, just set return code" },
249      { OP_NODATA,     'r',      NULL,              "recursive",     "recursively scan sub-directories" },
250      { OP_STRING,     N_EXCLUDE,&exclude_pattern,  "exclude=pattern","exclude matching files when recursing" },
251      { OP_STRING,     N_INCLUDE,&include_pattern,  "include=pattern","include matching files when recursing" },
252      { OP_STRING,     N_EXCLUDE_DIR,&exclude_dir_pattern, "exclude-dir=pattern","exclude matching directories when recursing" },
253      { OP_STRING,     N_INCLUDE_DIR,&include_dir_pattern, "include-dir=pattern","include matching directories when recursing" },
254    
255      /* These two were accidentally implemented with underscores instead of
256      hyphens in the option names. As this was not discovered for several releases,
257      the incorrect versions are left in the table for compatibility. However, the
258      --help function misses out any option that has an underscore in its name. */
259    
260    { OP_STRING,    N_EXCLUDE_DIR,&exclude_dir_pattern, "exclude_dir=pattern","exclude matching directories when recursing" },    { OP_STRING,    N_EXCLUDE_DIR,&exclude_dir_pattern, "exclude_dir=pattern","exclude matching directories when recursing" },
261    { OP_STRING,    N_INCLUDE_DIR,&include_dir_pattern, "include_dir=pattern","include matching directories when recursing" },    { OP_STRING,    N_INCLUDE_DIR,&include_dir_pattern, "include_dir=pattern","include matching directories when recursing" },
262    
263  #ifdef JFRIEDL_DEBUG  #ifdef JFRIEDL_DEBUG
264    { OP_OP_NUMBER, 'S',      &S_arg,            "jeffS",         "replace matched (sub)string with X" },    { OP_OP_NUMBER, 'S',      &S_arg,            "jeffS",         "replace matched (sub)string with X" },
265  #endif  #endif
# Line 276  const char utf8_table4[] = { Line 296  const char utf8_table4[] = {
296    
297    
298  /*************************************************  /*************************************************
299    *         Exit from the program                  *
300    *************************************************/
301    
302    /* If there has been a resource error, give a suitable message.
303    
304    Argument:  the return code
305    Returns:   does not return
306    */
307    
308    static void
309    pcregrep_exit(int rc)
310    {
311    if (resource_error)
312      {
313      fprintf(stderr, "pcregrep: Error %d or %d means that a resource limit "
314        "was exceeded.\n", PCRE_ERROR_MATCHLIMIT, PCRE_ERROR_RECURSIONLIMIT);
315      fprintf(stderr, "pcregrep: Check your regex for nested unlimited loops.\n");
316      }
317    
318    exit(rc);
319    }
320    
321    
322    /*************************************************
323  *            OS-specific functions               *  *            OS-specific functions               *
324  *************************************************/  *************************************************/
325    
# Line 339  return (statbuf.st_mode & S_IFMT) == S_I Line 383  return (statbuf.st_mode & S_IFMT) == S_I
383  }  }
384    
385    
386  /************* Test stdout for being a terminal in Unix **********/  /************* Test for a terminal in Unix **********/
387    
388  static BOOL  static BOOL
389  is_stdout_tty(void)  is_stdout_tty(void)
# Line 347  is_stdout_tty(void) Line 391  is_stdout_tty(void)
391  return isatty(fileno(stdout));  return isatty(fileno(stdout));
392  }  }
393    
394    static BOOL
395    is_file_tty(FILE *f)
396    {
397    return isatty(fileno(f));
398    }
399    
400    
401  /************* Directory scanning in Win32 ***********/  /************* Directory scanning in Win32 ***********/
402    
# Line 354  return isatty(fileno(stdout)); Line 404  return isatty(fileno(stdout));
404  Lionel Fourquaux. David Burgess added a patch to define INVALID_FILE_ATTRIBUTES  Lionel Fourquaux. David Burgess added a patch to define INVALID_FILE_ATTRIBUTES
405  when it did not exist. David Byron added a patch that moved the #include of  when it did not exist. David Byron added a patch that moved the #include of
406  <windows.h> to before the INVALID_FILE_ATTRIBUTES definition rather than after.  <windows.h> to before the INVALID_FILE_ATTRIBUTES definition rather than after.
407  */  The double test below stops gcc 4.4.4 grumbling that HAVE_WINDOWS_H is
408    undefined when it is indeed undefined. */
409    
410  #elif HAVE_WINDOWS_H  #elif defined HAVE_WINDOWS_H && HAVE_WINDOWS_H
411    
412  #ifndef STRICT  #ifndef STRICT
413  # define STRICT  # define STRICT
# Line 400  dir = (directory_type *) malloc(sizeof(* Line 451  dir = (directory_type *) malloc(sizeof(*
451  if ((pattern == NULL) || (dir == NULL))  if ((pattern == NULL) || (dir == NULL))
452    {    {
453    fprintf(stderr, "pcregrep: malloc failed\n");    fprintf(stderr, "pcregrep: malloc failed\n");
454    exit(2);    pcregrep_exit(2);
455    }    }
456  memcpy(pattern, filename, len);  memcpy(pattern, filename, len);
457  memcpy(&(pattern[len]), "\\*", 3);  memcpy(&(pattern[len]), "\\*", 3);
# Line 459  return !isdirectory(filename); Line 510  return !isdirectory(filename);
510  }  }
511    
512    
513  /************* Test stdout for being a terminal in Win32 **********/  /************* Test for a terminal in Win32 **********/
514    
515  /* I don't know how to do this; assume never */  /* I don't know how to do this; assume never */
516    
# Line 469  is_stdout_tty(void) Line 520  is_stdout_tty(void)
520  return FALSE;  return FALSE;
521  }  }
522    
523    static BOOL
524    is_file_tty(FILE *f)
525    {
526    return FALSE;
527    }
528    
529    
530  /************* Directory scanning when we can't do it ***********/  /************* Directory scanning when we can't do it ***********/
531    
# Line 491  void closedirectory(directory_type *dir) Line 548  void closedirectory(directory_type *dir)
548  int isregfile(char *filename) { return 1; }  int isregfile(char *filename) { return 1; }
549    
550    
551  /************* Test stdout for being a terminal when we can't do it **********/  /************* Test for a terminal when we can't do it **********/
552    
553  static BOOL  static BOOL
554  is_stdout_tty(void)  is_stdout_tty(void)
# Line 499  is_stdout_tty(void) Line 556  is_stdout_tty(void)
556  return FALSE;  return FALSE;
557  }  }
558    
559    static BOOL
560    is_file_tty(FILE *f)
561    {
562    return FALSE;
563    }
564    
565  #endif  #endif
566    
# Line 527  return sys_errlist[n]; Line 589  return sys_errlist[n];
589    
590    
591  /*************************************************  /*************************************************
592    *            Read one line of input              *
593    *************************************************/
594    
595    /* Normally, input is read using fread() into a large buffer, so many lines may
596    be read at once. However, doing this for tty input means that no output appears
597    until a lot of input has been typed. Instead, tty input is handled line by
598    line. We cannot use fgets() for this, because it does not stop at a binary
599    zero, and therefore there is no way of telling how many characters it has read,
600    because there may be binary zeros embedded in the data.
601    
602    Arguments:
603      buffer     the buffer to read into
604      length     the maximum number of characters to read
605      f          the file
606    
607    Returns:     the number of characters read, zero at end of file
608    */
609    
610    static int
611    read_one_line(char *buffer, int length, FILE *f)
612    {
613    int c;
614    int yield = 0;
615    while ((c = fgetc(f)) != EOF)
616      {
617      buffer[yield++] = c;
618      if (c == '\n' || yield >= length) break;
619      }
620    return yield;
621    }
622    
623    
624    
625    /*************************************************
626  *             Find end of line                   *  *             Find end of line                   *
627  *************************************************/  *************************************************/
628    
# Line 538  Arguments: Line 634  Arguments:
634    endptr    end of available data    endptr    end of available data
635    lenptr    where to put the length of the eol sequence    lenptr    where to put the length of the eol sequence
636    
637  Returns:    pointer to the last byte of the line  Returns:    pointer to the last byte of the line, including the newline byte(s)
638  */  */
639    
640  static char *  static char *
# Line 853  static BOOL Line 949  static BOOL
949  match_patterns(char *matchptr, size_t length, int *offsets, int *mrc)  match_patterns(char *matchptr, size_t length, int *offsets, int *mrc)
950  {  {
951  int i;  int i;
952    size_t slen = length;
953    const char *msg = "this text:\n\n";
954    if (slen > 200)
955      {
956      slen = 200;
957      msg = "text that starts:\n\n";
958      }
959  for (i = 0; i < pattern_count; i++)  for (i = 0; i < pattern_count; i++)
960    {    {
961    *mrc = pcre_exec(pattern_list[i], hints_list[i], matchptr, length, 0,    *mrc = pcre_exec(pattern_list[i], hints_list[i], matchptr, (int)length, 0,
962      PCRE_NOTEMPTY, offsets, OFFSET_SIZE);      PCRE_NOTEMPTY, offsets, OFFSET_SIZE);
963    if (*mrc >= 0) return TRUE;    if (*mrc >= 0) return TRUE;
964    if (*mrc == PCRE_ERROR_NOMATCH) continue;    if (*mrc == PCRE_ERROR_NOMATCH) continue;
965    fprintf(stderr, "pcregrep: pcre_exec() error %d while matching ", *mrc);    fprintf(stderr, "pcregrep: pcre_exec() gave error %d while matching ", *mrc);
966    if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);    if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);
967    fprintf(stderr, "this text:\n");    fprintf(stderr, "%s", msg);
968    FWRITE(matchptr, 1, length, stderr);   /* In case binary zero included */    FWRITE(matchptr, 1, slen, stderr);   /* In case binary zero included */
969    fprintf(stderr, "\n");    fprintf(stderr, "\n\n");
970    if (error_count == 0 &&    if (*mrc == PCRE_ERROR_MATCHLIMIT || *mrc == PCRE_ERROR_RECURSIONLIMIT)
971        (*mrc == PCRE_ERROR_MATCHLIMIT || *mrc == PCRE_ERROR_RECURSIONLIMIT))      resource_error = TRUE;
     {  
     fprintf(stderr, "pcregrep: error %d means that a resource limit "  
       "was exceeded\n", *mrc);  
     fprintf(stderr, "pcregrep: check your regex for nested unlimited loops\n");  
     }  
972    if (error_count++ > 20)    if (error_count++ > 20)
973      {      {
974      fprintf(stderr, "pcregrep: too many errors - abandoned\n");      fprintf(stderr, "pcregrep: Too many errors - abandoned.\n");
975      exit(2);      pcregrep_exit(2);
976      }      }
977    return invert;    /* No more matching; don't show the line again */    return invert;    /* No more matching; don't show the line again */
978    }    }
# Line 924  char *ptr = buffer; Line 1022  char *ptr = buffer;
1022  char *endptr;  char *endptr;
1023  size_t bufflength;  size_t bufflength;
1024  BOOL endhyphenpending = FALSE;  BOOL endhyphenpending = FALSE;
1025    BOOL input_line_buffered = line_buffered;
1026  FILE *in = NULL;                    /* Ensure initialized */  FILE *in = NULL;                    /* Ensure initialized */
1027    
1028  #ifdef SUPPORT_LIBZ  #ifdef SUPPORT_LIBZ
# Line 961  else Line 1060  else
1060    
1061    {    {
1062    in = (FILE *)handle;    in = (FILE *)handle;
1063    bufflength = fread(buffer, 1, 3*MBUFTHIRD, in);    if (is_file_tty(in)) input_line_buffered = TRUE;
1064      bufflength = input_line_buffered?
1065        read_one_line(buffer, 3*MBUFTHIRD, in) :
1066        fread(buffer, 1, 3*MBUFTHIRD, in);
1067    }    }
1068    
1069  endptr = buffer + bufflength;  endptr = buffer + bufflength;
# Line 1010  while (ptr < endptr) Line 1112  while (ptr < endptr)
1112            ptr = malloc(newlen + 1);            ptr = malloc(newlen + 1);
1113            if (!ptr) {            if (!ptr) {
1114                    printf("out of memory");                    printf("out of memory");
1115                    exit(2);                    pcregrep_exit(2);
1116            }            }
1117            endptr = ptr;            endptr = ptr;
1118            strcpy(endptr, jfriedl_prefix); endptr += strlen(jfriedl_prefix);            strcpy(endptr, jfriedl_prefix); endptr += strlen(jfriedl_prefix);
# Line 1080  while (ptr < endptr) Line 1182  while (ptr < endptr)
1182    
1183      else if (quiet) return 0;      else if (quiet) return 0;
1184    
1185      /* The --only-matching option prints just the substring that matched, and      /* The --only-matching option prints just the substring that matched, or a
1186      the --file-offsets and --line-offsets options output offsets for the      captured portion of it, as long as this string is not empty, and the
1187      matching substring (they both force --only-matching). None of these options      --file-offsets and --line-offsets options output offsets for the matching
1188        substring (they both force --only-matching = 0). None of these options
1189      prints any context. Afterwards, adjust the start and length, and then jump      prints any context. Afterwards, adjust the start and length, and then jump
1190      back to look for further matches in the same line. If we are in invert      back to look for further matches in the same line. If we are in invert
1191      mode, however, nothing is printed - this could be still useful because the      mode, however, nothing is printed and we do not restart - this could still
1192      return code is set. */      be useful because the return code is set. */
1193    
1194      else if (only_matching)      else if (only_matching >= 0)
1195        {        {
1196        if (!invert)        if (!invert)
1197          {          {
1198          if (printname != NULL) fprintf(stdout, "%s:", printname);          if (printname != NULL) fprintf(stdout, "%s:", printname);
1199          if (number) fprintf(stdout, "%d:", linenumber);          if (number) fprintf(stdout, "%d:", linenumber);
1200          if (line_offsets)          if (line_offsets)
1201            fprintf(stdout, "%d,%d", (int)(matchptr + offsets[0] - ptr),            fprintf(stdout, "%d,%d\n", (int)(matchptr + offsets[0] - ptr),
1202              offsets[1] - offsets[0]);              offsets[1] - offsets[0]);
1203          else if (file_offsets)          else if (file_offsets)
1204            fprintf(stdout, "%d,%d", (int)(filepos + matchptr + offsets[0] - ptr),            fprintf(stdout, "%d,%d\n",
1205                (int)(filepos + matchptr + offsets[0] - ptr),
1206              offsets[1] - offsets[0]);              offsets[1] - offsets[0]);
1207          else          else if (only_matching < mrc)
1208            {            {
1209            if (do_colour) fprintf(stdout, "%c[%sm", 0x1b, colour_string);            int plen = offsets[2*only_matching + 1] - offsets[2*only_matching];
1210            FWRITE(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);            if (plen > 0)
1211            if (do_colour) fprintf(stdout, "%c[00m", 0x1b);              {
1212                if (do_colour) fprintf(stdout, "%c[%sm", 0x1b, colour_string);
1213                FWRITE(matchptr + offsets[only_matching*2], 1, plen, stdout);
1214                if (do_colour) fprintf(stdout, "%c[00m", 0x1b);
1215                fprintf(stdout, "\n");
1216                }
1217            }            }
1218          fprintf(stdout, "\n");          else if (printname != NULL || number) fprintf(stdout, "\n");
1219          matchptr += offsets[1];          matchptr += offsets[1];
1220          length -= offsets[1];          length -= offsets[1];
1221          match = FALSE;          match = FALSE;
1222            if (line_buffered) fflush(stdout);
1223            rc = 0;    /* Had some success */
1224          goto ONLY_MATCHING_RESTART;          goto ONLY_MATCHING_RESTART;
1225          }          }
1226        }        }
# Line 1205  while (ptr < endptr) Line 1316  while (ptr < endptr)
1316        (invert not set). Because the PCRE_FIRSTLINE option is set, the start of        (invert not set). Because the PCRE_FIRSTLINE option is set, the start of
1317        the match will always be before the first newline sequence. */        the match will always be before the first newline sequence. */
1318    
1319        if (multiline)        if (multiline & !invert)
1320          {          {
1321          int ellength;          char *endmatch = ptr + offsets[1];
1322          char *endmatch = ptr;          t = ptr;
1323          if (!invert)          while (t < endmatch)
1324            {            {
1325            endmatch += offsets[1];            t = end_of_line(t, endptr, &endlinelength);
1326            t = ptr;            if (t < endmatch) linenumber++; else break;
           while (t < endmatch)  
             {  
             t = end_of_line(t, endptr, &ellength);  
             if (t <= endmatch) linenumber++; else break;  
             }  
1327            }            }
1328          endmatch = end_of_line(endmatch, endptr, &ellength);          linelength = t - ptr - endlinelength;
         linelength = endmatch - ptr - ellength;  
1329          }          }
1330    
1331        /*** 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 1243  while (ptr < endptr) Line 1348  while (ptr < endptr)
1348  #endif  #endif
1349    
1350        /* We have to split the line(s) up if colouring, and search for further        /* We have to split the line(s) up if colouring, and search for further
1351        matches. */        matches, but not of course if the line is a non-match. */
1352    
1353        if (do_colour)        if (do_colour && !invert)
1354          {          {
1355            int plength;
1356          int last_offset = 0;          int last_offset = 0;
1357          FWRITE(ptr, 1, offsets[0], stdout);          FWRITE(ptr, 1, offsets[0], stdout);
1358          fprintf(stdout, "%c[%sm", 0x1b, colour_string);          fprintf(stdout, "%c[%sm", 0x1b, colour_string);
# Line 1263  while (ptr < endptr) Line 1369  while (ptr < endptr)
1369            FWRITE(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);            FWRITE(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);
1370            fprintf(stdout, "%c[00m", 0x1b);            fprintf(stdout, "%c[00m", 0x1b);
1371            }            }
1372          FWRITE(ptr + last_offset, 1,  
1373            (linelength + endlinelength) - last_offset, stdout);          /* In multiline mode, we may have already printed the complete line
1374            and its line-ending characters (if they matched the pattern), so there
1375            may be no more to print. */
1376    
1377            plength = (linelength + endlinelength) - last_offset;
1378            if (plength > 0)
1379              FWRITE(ptr + last_offset, 1, plength, stdout);
1380          }          }
1381    
1382        /* Not colouring; no need to search for further matches */        /* Not colouring; no need to search for further matches */
# Line 1272  while (ptr < endptr) Line 1384  while (ptr < endptr)
1384        else FWRITE(ptr, 1, linelength + endlinelength, stdout);        else FWRITE(ptr, 1, linelength + endlinelength, stdout);
1385        }        }
1386    
1387      /* End of doing what has to be done for a match */      /* End of doing what has to be done for a match. If --line-buffered was
1388        given, flush the output. */
1389    
1390        if (line_buffered) fflush(stdout);
1391      rc = 0;    /* Had some success */      rc = 0;    /* Had some success */
1392    
1393      /* Remember where the last match happened for after_context. We remember      /* Remember where the last match happened for after_context. We remember
# Line 1305  while (ptr < endptr) Line 1419  while (ptr < endptr)
1419    offset to the current line is maintained in filepos. */    offset to the current line is maintained in filepos. */
1420    
1421    ptr += linelength + endlinelength;    ptr += linelength + endlinelength;
1422    filepos += linelength + endlinelength;    filepos += (int)(linelength + endlinelength);
1423    linenumber++;    linenumber++;
1424    
1425      /* If input is line buffered, and the buffer is not yet full, read another
1426      line and add it into the buffer. */
1427    
1428      if (input_line_buffered && bufflength < sizeof(buffer))
1429        {
1430        int add = read_one_line(ptr, sizeof(buffer) - (ptr - buffer), in);
1431        bufflength += add;
1432        endptr += add;
1433        }
1434    
1435    /* 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
1436    the current point is in the top 1/3 of the buffer, slide the buffer down by    the current point is in the top 1/3 of the buffer, slide the buffer down by
1437    1/3 and refill it. Before we do this, if some unprinted "after" lines are    1/3 and refill it. Before we do this, if some unprinted "after" lines are
# Line 1342  while (ptr < endptr) Line 1466  while (ptr < endptr)
1466      else      else
1467  #endif  #endif
1468    
1469      bufflength = 2*MBUFTHIRD + fread(buffer + 2*MBUFTHIRD, 1, MBUFTHIRD, in);      bufflength = 2*MBUFTHIRD +
1470          (input_line_buffered?
1471           read_one_line(buffer + 2*MBUFTHIRD, MBUFTHIRD, in) :
1472           fread(buffer + 2*MBUFTHIRD, 1, MBUFTHIRD, in));
1473      endptr = buffer + bufflength;      endptr = buffer + bufflength;
1474    
1475      /* Adjust any last match point */      /* Adjust any last match point */
# Line 1355  while (ptr < endptr) Line 1481  while (ptr < endptr)
1481  /* End of file; print final "after" lines if wanted; do_after_lines sets  /* End of file; print final "after" lines if wanted; do_after_lines sets
1482  hyphenpending if it prints something. */  hyphenpending if it prints something. */
1483    
1484  if (!only_matching && !count_only)  if (only_matching < 0 && !count_only)
1485    {    {
1486    do_after_lines(lastmatchnumber, lastmatchrestart, endptr, printname);    do_after_lines(lastmatchnumber, lastmatchrestart, endptr, printname);
1487    hyphenpending |= endhyphenpending;    hyphenpending |= endhyphenpending;
# Line 1459  if ((sep = isdirectory(pathname)) != 0) Line 1585  if ((sep = isdirectory(pathname)) != 0)
1585        {        {
1586        int frc, nflen;        int frc, nflen;
1587        sprintf(buffer, "%.512s%c%.128s", pathname, sep, nextfile);        sprintf(buffer, "%.512s%c%.128s", pathname, sep, nextfile);
1588        nflen = strlen(nextfile);        nflen = (int)(strlen(nextfile));
1589    
1590        if (isdirectory(buffer))        if (isdirectory(buffer))
1591          {          {
# Line 1503  skipping was not requested. The scan pro Line 1629  skipping was not requested. The scan pro
1629  argument at top level, we don't show the file name, unless we are only showing  argument at top level, we don't show the file name, unless we are only showing
1630  the file name, or the filename was forced (-H). */  the file name, or the filename was forced (-H). */
1631    
1632  pathlen = strlen(pathname);  pathlen = (int)(strlen(pathname));
1633    
1634  /* Open using zlib if it is supported and the file name ends with .gz. */  /* Open using zlib if it is supported and the file name ends with .gz. */
1635    
# Line 1665  for (op = optionlist; op->one_char != 0; Line 1791  for (op = optionlist; op->one_char != 0;
1791    {    {
1792    int n;    int n;
1793    char s[4];    char s[4];
1794    
1795      /* Two options were accidentally implemented and documented with underscores
1796      instead of hyphens in their names, something that was not noticed for quite a
1797      few releases. When fixing this, I left the underscored versions in the list
1798      in case people were using them. However, we don't want to display them in the
1799      help data. There are no other options that contain underscores, and we do not
1800      expect ever to implement such options. Therefore, just omit any option that
1801      contains an underscore. */
1802    
1803      if (strchr(op->long_name, '_') != NULL) continue;
1804    
1805    if (op->one_char > 0) sprintf(s, "-%c,", op->one_char); else strcpy(s, "   ");    if (op->one_char > 0) sprintf(s, "-%c,", op->one_char); else strcpy(s, "   ");
1806    n = 30 - printf("  %s --%s", s, op->long_name);    n = 31 - printf("  %s --%s", s, op->long_name);
1807    if (n < 1) n = 1;    if (n < 1) n = 1;
1808    printf("%.*s%s\n", n, "                    ", op->help_text);    printf("%.*s%s\n", n, "                     ", op->help_text);
1809    }    }
1810    
1811  printf("\nWhen reading patterns from a file instead of using a command line option,\n");  printf("\nWhen reading patterns from a file instead of using a command line option,\n");
# Line 1692  handle_option(int letter, int options) Line 1829  handle_option(int letter, int options)
1829  switch(letter)  switch(letter)
1830    {    {
1831    case N_FOFFSETS: file_offsets = TRUE; break;    case N_FOFFSETS: file_offsets = TRUE; break;
1832    case N_HELP: help(); exit(0);    case N_HELP: help(); pcregrep_exit(0);
1833    case N_LOFFSETS: line_offsets = number = TRUE; break;    case N_LOFFSETS: line_offsets = number = TRUE; break;
1834      case N_LBUFFER: line_buffered = TRUE; break;
1835    case 'c': count_only = TRUE; break;    case 'c': count_only = TRUE; break;
1836    case 'F': process_options |= PO_FIXED_STRINGS; break;    case 'F': process_options |= PO_FIXED_STRINGS; break;
1837    case 'H': filenames = FN_FORCE; break;    case 'H': filenames = FN_FORCE; break;
# Line 1703  switch(letter) Line 1841  switch(letter)
1841    case 'L': filenames = FN_NOMATCH_ONLY; break;    case 'L': filenames = FN_NOMATCH_ONLY; break;
1842    case 'M': multiline = TRUE; options |= PCRE_MULTILINE|PCRE_FIRSTLINE; break;    case 'M': multiline = TRUE; options |= PCRE_MULTILINE|PCRE_FIRSTLINE; break;
1843    case 'n': number = TRUE; break;    case 'n': number = TRUE; break;
1844    case 'o': only_matching = TRUE; break;    case 'o': only_matching = 0; break;
1845    case 'q': quiet = TRUE; break;    case 'q': quiet = TRUE; break;
1846    case 'r': dee_action = dee_RECURSE; break;    case 'r': dee_action = dee_RECURSE; break;
1847    case 's': silent = TRUE; break;    case 's': silent = TRUE; break;
# Line 1714  switch(letter) Line 1852  switch(letter)
1852    
1853    case 'V':    case 'V':
1854    fprintf(stderr, "pcregrep version %s\n", pcre_version());    fprintf(stderr, "pcregrep version %s\n", pcre_version());
1855    exit(0);    pcregrep_exit(0);
1856    break;    break;
1857    
1858    default:    default:
1859    fprintf(stderr, "pcregrep: Unknown option -%c\n", letter);    fprintf(stderr, "pcregrep: Unknown option -%c\n", letter);
1860    exit(usage(2));    pcregrep_exit(usage(2));
1861    }    }
1862    
1863  return options;  return options;
# Line 1915  for (i = 1; i < argc; i++) Line 2053  for (i = 1; i < argc; i++)
2053    if (argv[i][1] == 0)    if (argv[i][1] == 0)
2054      {      {
2055      if (pattern_filename != NULL || pattern_count > 0) break;      if (pattern_filename != NULL || pattern_count > 0) break;
2056        else exit(usage(2));        else pcregrep_exit(usage(2));
2057      }      }
2058    
2059    /* Handle a long name option, or -- to terminate the options */    /* Handle a long name option, or -- to terminate the options */
# Line 1955  for (i = 1; i < argc; i++) Line 2093  for (i = 1; i < argc; i++)
2093            }            }
2094          else                 /* Special case xxx=data */          else                 /* Special case xxx=data */
2095            {            {
2096            int oplen = equals - op->long_name;            int oplen = (int)(equals - op->long_name);
2097            int arglen = (argequals == NULL)? (int)strlen(arg) : argequals - arg;            int arglen = (argequals == NULL)?
2098                (int)strlen(arg) : (int)(argequals - arg);
2099            if (oplen == arglen && strncmp(arg, op->long_name, oplen) == 0)            if (oplen == arglen && strncmp(arg, op->long_name, oplen) == 0)
2100              {              {
2101              option_data = arg + arglen;              option_data = arg + arglen;
# Line 1977  for (i = 1; i < argc; i++) Line 2116  for (i = 1; i < argc; i++)
2116          char buff1[24];          char buff1[24];
2117          char buff2[24];          char buff2[24];
2118    
2119          int baselen = opbra - op->long_name;          int baselen = (int)(opbra - op->long_name);
2120          int fulllen = strchr(op->long_name, ')') - op->long_name + 1;          int fulllen = (int)(strchr(op->long_name, ')') - op->long_name + 1);
2121          int arglen = (argequals == NULL || equals == NULL)?          int arglen = (argequals == NULL || equals == NULL)?
2122            (int)strlen(arg) : argequals - arg;            (int)strlen(arg) : (int)(argequals - arg);
2123    
2124          sprintf(buff1, "%.*s", baselen, op->long_name);          sprintf(buff1, "%.*s", baselen, op->long_name);
2125          sprintf(buff2, "%s%.*s", buff1, fulllen - baselen - 2, opbra + 1);          sprintf(buff2, "%s%.*s", buff1, fulllen - baselen - 2, opbra + 1);
# Line 2005  for (i = 1; i < argc; i++) Line 2144  for (i = 1; i < argc; i++)
2144      if (op->one_char == 0)      if (op->one_char == 0)
2145        {        {
2146        fprintf(stderr, "pcregrep: Unknown option %s\n", argv[i]);        fprintf(stderr, "pcregrep: Unknown option %s\n", argv[i]);
2147        exit(usage(2));        pcregrep_exit(usage(2));
2148        }        }
2149      }      }
2150    
# Line 2042  for (i = 1; i < argc; i++) Line 2181  for (i = 1; i < argc; i++)
2181      while (*s != 0)      while (*s != 0)
2182        {        {
2183        for (op = optionlist; op->one_char != 0; op++)        for (op = optionlist; op->one_char != 0; op++)
2184          { if (*s == op->one_char) break; }          {
2185            if (*s == op->one_char) break;
2186            }
2187        if (op->one_char == 0)        if (op->one_char == 0)
2188          {          {
2189          fprintf(stderr, "pcregrep: Unknown option letter '%c' in \"%s\"\n",          fprintf(stderr, "pcregrep: Unknown option letter '%c' in \"%s\"\n",
2190            *s, argv[i]);            *s, argv[i]);
2191          exit(usage(2));          pcregrep_exit(usage(2));
2192            }
2193    
2194          /* Check for a single-character option that has data: OP_OP_NUMBER
2195          is used for one that either has a numerical number or defaults, i.e. the
2196          data is optional. If a digit follows, there is data; if not, carry on
2197          with other single-character options in the same string. */
2198    
2199          option_data = s+1;
2200          if (op->type == OP_OP_NUMBER)
2201            {
2202            if (isdigit((unsigned char)s[1])) break;
2203          }          }
2204        if (op->type != OP_NODATA || s[1] == 0)        else   /* Check for end or a dataless option */
2205          {          {
2206          option_data = s+1;          if (op->type != OP_NODATA || s[1] == 0) break;
         break;  
2207          }          }
2208    
2209          /* Handle a single-character option with no data, then loop for the
2210          next character in the string. */
2211    
2212        pcre_options = handle_option(*s++, pcre_options);        pcre_options = handle_option(*s++, pcre_options);
2213        }        }
2214      }      }
# Line 2070  for (i = 1; i < argc; i++) Line 2225  for (i = 1; i < argc; i++)
2225    
2226    /* If the option type is OP_OP_STRING or OP_OP_NUMBER, it's an option that    /* If the option type is OP_OP_STRING or OP_OP_NUMBER, it's an option that
2227    either has a value or defaults to something. It cannot have data in a    either has a value or defaults to something. It cannot have data in a
2228    separate item. At the moment, the only such options are "colo(u)r" and    separate item. At the moment, the only such options are "colo(u)r",
2229    Jeffrey Friedl's special -S debugging option. */    "only-matching", and Jeffrey Friedl's special -S debugging option. */
2230    
2231    if (*option_data == 0 &&    if (*option_data == 0 &&
2232        (op->type == OP_OP_STRING || op->type == OP_OP_NUMBER))        (op->type == OP_OP_STRING || op->type == OP_OP_NUMBER))
# Line 2081  for (i = 1; i < argc; i++) Line 2236  for (i = 1; i < argc; i++)
2236        case N_COLOUR:        case N_COLOUR:
2237        colour_option = (char *)"auto";        colour_option = (char *)"auto";
2238        break;        break;
2239    
2240          case 'o':
2241          only_matching = 0;
2242          break;
2243    
2244  #ifdef JFRIEDL_DEBUG  #ifdef JFRIEDL_DEBUG
2245        case 'S':        case 'S':
2246        S_arg = 0;        S_arg = 0;
# Line 2097  for (i = 1; i < argc; i++) Line 2257  for (i = 1; i < argc; i++)
2257      if (i >= argc - 1 || longopwasequals)      if (i >= argc - 1 || longopwasequals)
2258        {        {
2259        fprintf(stderr, "pcregrep: Data missing after %s\n", argv[i]);        fprintf(stderr, "pcregrep: Data missing after %s\n", argv[i]);
2260        exit(usage(2));        pcregrep_exit(usage(2));
2261        }        }
2262      option_data = argv[++i];      option_data = argv[++i];
2263      }      }
# Line 2118  for (i = 1; i < argc; i++) Line 2278  for (i = 1; i < argc; i++)
2278    
2279    /* Otherwise, deal with single string or numeric data values. */    /* Otherwise, deal with single string or numeric data values. */
2280    
2281    else if (op->type != OP_NUMBER && op->type != OP_OP_NUMBER)    else if (op->type != OP_NUMBER && op->type != OP_LONGNUMBER &&
2282               op->type != OP_OP_NUMBER)
2283      {      {
2284      *((char **)op->dataptr) = option_data;      *((char **)op->dataptr) = option_data;
2285      }      }
2286    
2287      /* Avoid the use of strtoul() because SunOS4 doesn't have it. This is used
2288      only for unpicking arguments, so just keep it simple. */
2289    
2290    else    else
2291      {      {
2292      char *endptr;      unsigned long int n = 0;
2293      int n = strtoul(option_data, &endptr, 10);      char *endptr = option_data;
2294        while (*endptr != 0 && isspace((unsigned char)(*endptr))) endptr++;
2295        while (isdigit((unsigned char)(*endptr)))
2296          n = n * 10 + (int)(*endptr++ - '0');
2297      if (*endptr != 0)      if (*endptr != 0)
2298        {        {
2299        if (longop)        if (longop)
2300          {          {
2301          char *equals = strchr(op->long_name, '=');          char *equals = strchr(op->long_name, '=');
2302          int nlen = (equals == NULL)? (int)strlen(op->long_name) :          int nlen = (equals == NULL)? (int)strlen(op->long_name) :
2303            equals - op->long_name;            (int)(equals - op->long_name);
2304          fprintf(stderr, "pcregrep: Malformed number \"%s\" after --%.*s\n",          fprintf(stderr, "pcregrep: Malformed number \"%s\" after --%.*s\n",
2305            option_data, nlen, op->long_name);            option_data, nlen, op->long_name);
2306          }          }
2307        else        else
2308          fprintf(stderr, "pcregrep: Malformed number \"%s\" after -%c\n",          fprintf(stderr, "pcregrep: Malformed number \"%s\" after -%c\n",
2309            option_data, op->one_char);            option_data, op->one_char);
2310        exit(usage(2));        pcregrep_exit(usage(2));
2311        }        }
2312      *((int *)op->dataptr) = n;      if (op->type == OP_LONGNUMBER)
2313            *((unsigned long int *)op->dataptr) = n;
2314        else
2315            *((int *)op->dataptr) = n;
2316      }      }
2317    }    }
2318    
# Line 2155  if (both_context > 0) Line 2326  if (both_context > 0)
2326    }    }
2327    
2328  /* Only one of --only-matching, --file-offsets, or --line-offsets is permitted.  /* Only one of --only-matching, --file-offsets, or --line-offsets is permitted.
2329  However, the latter two set the only_matching flag. */  However, the latter two set only_matching. */
2330    
2331  if ((only_matching && (file_offsets || line_offsets)) ||  if ((only_matching >= 0 && (file_offsets || line_offsets)) ||
2332      (file_offsets && line_offsets))      (file_offsets && line_offsets))
2333    {    {
2334    fprintf(stderr, "pcregrep: Cannot mix --only-matching, --file-offsets "    fprintf(stderr, "pcregrep: Cannot mix --only-matching, --file-offsets "
2335      "and/or --line-offsets\n");      "and/or --line-offsets\n");
2336    exit(usage(2));    pcregrep_exit(usage(2));
2337    }    }
2338    
2339  if (file_offsets || line_offsets) only_matching = TRUE;  if (file_offsets || line_offsets) only_matching = 0;
2340    
2341  /* If a locale has not been provided as an option, see if the LC_CTYPE or  /* If a locale has not been provided as an option, see if the LC_CTYPE or
2342  LC_ALL environment variable is set, and if so, use it. */  LC_ALL environment variable is set, and if so, use it. */
# Line 2374  for (j = 0; j < pattern_count; j++) Line 2545  for (j = 0; j < pattern_count; j++)
2545    hint_count++;    hint_count++;
2546    }    }
2547    
2548    /* If --match-limit or --recursion-limit was set, put the value(s) into the
2549    pcre_extra block for each pattern. */
2550    
2551    if (match_limit > 0 || match_limit_recursion > 0)
2552      {
2553      for (j = 0; j < pattern_count; j++)
2554        {
2555        if (hints_list[j] == NULL)
2556          {
2557          hints_list[j] = malloc(sizeof(pcre_extra));
2558          if (hints_list[j] == NULL)
2559            {
2560            fprintf(stderr, "pcregrep: malloc failed\n");
2561            pcregrep_exit(2);
2562            }
2563          }
2564        if (match_limit > 0)
2565          {
2566          hints_list[j]->flags |= PCRE_EXTRA_MATCH_LIMIT;
2567          hints_list[j]->match_limit = match_limit;
2568          }
2569        if (match_limit_recursion > 0)
2570          {
2571          hints_list[j]->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2572          hints_list[j]->match_limit_recursion = match_limit_recursion;
2573          }
2574        }
2575      }
2576    
2577  /* If there are include or exclude patterns, compile them. */  /* If there are include or exclude patterns, compile them. */
2578    
2579  if (exclude_pattern != NULL)  if (exclude_pattern != NULL)
# Line 2455  if (pattern_list != NULL) Line 2655  if (pattern_list != NULL)
2655    }    }
2656  if (hints_list != NULL)  if (hints_list != NULL)
2657    {    {
2658    for (i = 0; i < hint_count; i++) free(hints_list[i]);    for (i = 0; i < hint_count; i++)
2659        {
2660        if (hints_list[i] != NULL) free(hints_list[i]);
2661        }
2662    free(hints_list);    free(hints_list);
2663    }    }
2664  return rc;  pcregrep_exit(rc);
2665    
2666  EXIT2:  EXIT2:
2667  rc = 2;  rc = 2;

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