/[pcre]/code/trunk/pcregrep.c
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revision 121 by ph10, Mon Mar 12 12:12:47 2007 UTC revision 280 by ph10, Wed Dec 5 20:56:03 2007 UTC
# Line 38  POSSIBILITY OF SUCH DAMAGE. Line 38  POSSIBILITY OF SUCH DAMAGE.
38  */  */
39    
40  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
41  #  include <config.h>  #include "config.h"
42  #endif  #endif
43    
44  #include <ctype.h>  #include <ctype.h>
# Line 50  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    
54    #ifdef HAVE_UNISTD_H
55  #include <unistd.h>  #include <unistd.h>
56    #endif
57    
58  #include "pcre.h"  #include "pcre.h"
59    
# Line 86  enum { DEE_READ, DEE_SKIP }; Line 89  enum { DEE_READ, DEE_SKIP };
89    
90  /* Line ending types */  /* Line ending types */
91    
92  enum { EL_LF, EL_CR, EL_CRLF, EL_ANY };  enum { EL_LF, EL_CR, EL_CRLF, EL_ANY, EL_ANYCRLF };
93    
94    
95    
# Line 139  static int process_options = 0; Line 142  static int process_options = 0;
142    
143  static BOOL count_only = FALSE;  static BOOL count_only = FALSE;
144  static BOOL do_colour = FALSE;  static BOOL do_colour = FALSE;
145    static BOOL file_offsets = FALSE;
146  static BOOL hyphenpending = FALSE;  static BOOL hyphenpending = FALSE;
147  static BOOL invert = FALSE;  static BOOL invert = FALSE;
148    static BOOL line_offsets = FALSE;
149  static BOOL multiline = FALSE;  static BOOL multiline = FALSE;
150  static BOOL number = FALSE;  static BOOL number = FALSE;
151  static BOOL only_matching = FALSE;  static BOOL only_matching = FALSE;
# Line 171  used to identify them. */ Line 176  used to identify them. */
176  #define N_LABEL     (-5)  #define N_LABEL     (-5)
177  #define N_LOCALE    (-6)  #define N_LOCALE    (-6)
178  #define N_NULL      (-7)  #define N_NULL      (-7)
179    #define N_LOFFSETS  (-8)
180    #define N_FOFFSETS  (-9)
181    
182  static option_item optionlist[] = {  static option_item optionlist[] = {
183    { OP_NODATA,    N_NULL,   NULL,              "",              "  terminate options" },    { OP_NODATA,    N_NULL,   NULL,              "",              "  terminate options" },
# Line 186  static option_item optionlist[] = { Line 193  static option_item optionlist[] = {
193    { OP_PATLIST,   'e',      NULL,              "regex(p)",      "specify pattern (may be used more than once)" },    { OP_PATLIST,   'e',      NULL,              "regex(p)",      "specify pattern (may be used more than once)" },
194    { 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" },
195    { OP_STRING,    'f',      &pattern_filename, "file=path",     "read patterns from file" },    { OP_STRING,    'f',      &pattern_filename, "file=path",     "read patterns from file" },
196      { OP_NODATA,    N_FOFFSETS, NULL,            "file-offsets",  "output file offsets, not text" },
197    { OP_NODATA,    'H',      NULL,              "with-filename", "force the prefixing filename on output" },    { OP_NODATA,    'H',      NULL,              "with-filename", "force the prefixing filename on output" },
198    { OP_NODATA,    'h',      NULL,              "no-filename",   "suppress the prefixing filename on output" },    { OP_NODATA,    'h',      NULL,              "no-filename",   "suppress the prefixing filename on output" },
199    { OP_NODATA,    'i',      NULL,              "ignore-case",   "ignore case distinctions" },    { OP_NODATA,    'i',      NULL,              "ignore-case",   "ignore case distinctions" },
200    { 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" },
201    { 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" },
202    { 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" },
203      { OP_NODATA,    N_LOFFSETS, NULL,            "line-offsets",  "output line numbers and offsets, not text" },
204    { OP_STRING,    N_LOCALE, &locale,           "locale=locale", "use the named locale" },    { OP_STRING,    N_LOCALE, &locale,           "locale=locale", "use the named locale" },
205    { OP_NODATA,    'M',      NULL,              "multiline",     "run in multiline mode" },    { OP_NODATA,    'M',      NULL,              "multiline",     "run in multiline mode" },
206    { OP_STRING,    'N',      &newline,          "newline=type",  "specify newline type (CR, LR, CRLF)" },    { OP_STRING,    'N',      &newline,          "newline=type",  "set newline type (CR, LF, CRLF, ANYCRLF or ANY)" },
207    { OP_NODATA,    'n',      NULL,              "line-number",   "print line number with output lines" },    { OP_NODATA,    'n',      NULL,              "line-number",   "print line number with output lines" },
208    { 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" },
209    { OP_NODATA,    'q',      NULL,              "quiet",         "suppress output, just set return code" },    { OP_NODATA,    'q',      NULL,              "quiet",         "suppress output, just set return code" },
# Line 224  static const char *prefix[] = { Line 233  static const char *prefix[] = {
233  static const char *suffix[] = {  static const char *suffix[] = {
234    "", "\\b", ")$",   ")$",   "\\E", "\\E\\b", "\\E)$",   "\\E)$" };    "", "\\b", ")$",   ")$",   "\\E", "\\E\\b", "\\E)$",   "\\E)$" };
235    
236  /* UTF-8 tables - used only when the newline setting is "all". */  /* UTF-8 tables - used only when the newline setting is "any". */
237    
238  const int utf8_table3[] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};  const int utf8_table3[] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};
239    
# Line 278  for (;;) Line 287  for (;;)
287    if (strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0)    if (strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0)
288      return dent->d_name;      return dent->d_name;
289    }    }
290  return NULL;   /* Keep compiler happy; never executed */  /* Control never reaches here */
291  }  }
292    
293  static void  static void
# Line 463  return FALSE; Line 472  return FALSE;
472    
473    
474    
475  #if ! HAVE_STRERROR  #ifndef HAVE_STRERROR
476  /*************************************************  /*************************************************
477  *     Provide strerror() for non-ANSI libraries  *  *     Provide strerror() for non-ANSI libraries  *
478  *************************************************/  *************************************************/
# Line 543  switch(endlinetype) Line 552  switch(endlinetype)
552      }      }
553    break;    break;
554    
555      case EL_ANYCRLF:
556      while (p < endptr)
557        {
558        int extra = 0;
559        register int c = *((unsigned char *)p);
560    
561        if (utf8 && c >= 0xc0)
562          {
563          int gcii, gcss;
564          extra = utf8_table4[c & 0x3f];  /* Number of additional bytes */
565          gcss = 6*extra;
566          c = (c & utf8_table3[extra]) << gcss;
567          for (gcii = 1; gcii <= extra; gcii++)
568            {
569            gcss -= 6;
570            c |= (p[gcii] & 0x3f) << gcss;
571            }
572          }
573    
574        p += 1 + extra;
575    
576        switch (c)
577          {
578          case 0x0a:    /* LF */
579          *lenptr = 1;
580          return p;
581    
582          case 0x0d:    /* CR */
583          if (p < endptr && *p == 0x0a)
584            {
585            *lenptr = 2;
586            p++;
587            }
588          else *lenptr = 1;
589          return p;
590    
591          default:
592          break;
593          }
594        }   /* End of loop for ANYCRLF case */
595    
596      *lenptr = 0;  /* Must have hit the end */
597      return endptr;
598    
599    case EL_ANY:    case EL_ANY:
600    while (p < endptr)    while (p < endptr)
601      {      {
# Line 641  switch(endlinetype) Line 694  switch(endlinetype)
694    return p;   /* But control should never get here */    return p;   /* But control should never get here */
695    
696    case EL_ANY:    case EL_ANY:
697      case EL_ANYCRLF:
698    if (*(--p) == '\n' && p > startptr && p[-1] == '\r') p--;    if (*(--p) == '\n' && p > startptr && p[-1] == '\r') p--;
699    if (utf8) while ((*p & 0xc0) == 0x80) p--;    if (utf8) while ((*p & 0xc0) == 0x80) p--;
700    
# Line 669  switch(endlinetype) Line 723  switch(endlinetype)
723        }        }
724      else c = *((unsigned char *)pp);      else c = *((unsigned char *)pp);
725    
726      switch (c)      if (endlinetype == EL_ANYCRLF) switch (c)
727          {
728          case 0x0a:    /* LF */
729          case 0x0d:    /* CR */
730          return p;
731    
732          default:
733          break;
734          }
735    
736        else switch (c)
737        {        {
738        case 0x0a:    /* LF */        case 0x0a:    /* LF */
739        case 0x0b:    /* VT */        case 0x0b:    /* VT */
# Line 762  int rc = 1; Line 826  int rc = 1;
826  int linenumber = 1;  int linenumber = 1;
827  int lastmatchnumber = 0;  int lastmatchnumber = 0;
828  int count = 0;  int count = 0;
829    int filepos = 0;
830  int offsets[99];  int offsets[99];
831  char *lastmatchrestart = NULL;  char *lastmatchrestart = NULL;
832  char buffer[3*MBUFTHIRD];  char buffer[3*MBUFTHIRD];
# Line 786  while (ptr < endptr) Line 851  while (ptr < endptr)
851    int i, endlinelength;    int i, endlinelength;
852    int mrc = 0;    int mrc = 0;
853    BOOL match = FALSE;    BOOL match = FALSE;
854      char *matchptr = ptr;
855    char *t = ptr;    char *t = ptr;
856    size_t length, linelength;    size_t length, linelength;
857    
# Line 798  while (ptr < endptr) Line 864  while (ptr < endptr)
864    
865    t = end_of_line(t, endptr, &endlinelength);    t = end_of_line(t, endptr, &endlinelength);
866    linelength = t - ptr - endlinelength;    linelength = t - ptr - endlinelength;
867    length = multiline? endptr - ptr : linelength;    length = multiline? (size_t)(endptr - ptr) : linelength;
868    
869    /* Extra processing for Jeffrey Friedl's debugging. */    /* Extra processing for Jeffrey Friedl's debugging. */
870    
# Line 848  while (ptr < endptr) Line 914  while (ptr < endptr)
914    }    }
915  #endif  #endif
916    
917      /* We come back here after a match when the -o option (only_matching) is set,
918      in order to find any further matches in the same line. */
919    
920      ONLY_MATCHING_RESTART:
921    
922    /* Run through all the patterns until one matches. Note that we don't include    /* Run through all the patterns until one matches. Note that we don't include
923    the final newline in the subject string. */    the final newline in the subject string. */
924    
925    for (i = 0; i < pattern_count; i++)    for (i = 0; i < pattern_count; i++)
926      {      {
927      mrc = pcre_exec(pattern_list[i], hints_list[i], ptr, length, 0, 0,      mrc = pcre_exec(pattern_list[i], hints_list[i], matchptr, length, 0, 0,
928        offsets, 99);        offsets, 99);
929      if (mrc >= 0) { match = TRUE; break; }      if (mrc >= 0) { match = TRUE; break; }
930      if (mrc != PCRE_ERROR_NOMATCH)      if (mrc != PCRE_ERROR_NOMATCH)
# Line 862  while (ptr < endptr) Line 932  while (ptr < endptr)
932        fprintf(stderr, "pcregrep: pcre_exec() error %d while matching ", mrc);        fprintf(stderr, "pcregrep: pcre_exec() error %d while matching ", mrc);
933        if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);        if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);
934        fprintf(stderr, "this line:\n");        fprintf(stderr, "this line:\n");
935        fwrite(ptr, 1, linelength, stderr);   /* In case binary zero included */        fwrite(matchptr, 1, linelength, stderr);  /* In case binary zero included */
936        fprintf(stderr, "\n");        fprintf(stderr, "\n");
937        if (error_count == 0 &&        if (error_count == 0 &&
938            (mrc == PCRE_ERROR_MATCHLIMIT || mrc == PCRE_ERROR_RECURSIONLIMIT))            (mrc == PCRE_ERROR_MATCHLIMIT || mrc == PCRE_ERROR_RECURSIONLIMIT))
# Line 909  while (ptr < endptr) Line 979  while (ptr < endptr)
979      else if (quiet) return 0;      else if (quiet) return 0;
980    
981      /* The --only-matching option prints just the substring that matched, and      /* The --only-matching option prints just the substring that matched, and
982      does not pring any context. */      the --file-offsets and --line-offsets options output offsets for the
983        matching substring (they both force --only-matching). None of these options
984        prints any context. Afterwards, adjust the start and length, and then jump
985        back to look for further matches in the same line. If we are in invert
986        mode, however, nothing is printed - this could be still useful because the
987        return code is set. */
988    
989      else if (only_matching)      else if (only_matching)
990        {        {
991        if (printname != NULL) fprintf(stdout, "%s:", printname);        if (!invert)
992        if (number) fprintf(stdout, "%d:", linenumber);          {
993        fwrite(ptr + offsets[0], 1, offsets[1] - offsets[0], stdout);          if (printname != NULL) fprintf(stdout, "%s:", printname);
994        fprintf(stdout, "\n");          if (number) fprintf(stdout, "%d:", linenumber);
995            if (line_offsets)
996              fprintf(stdout, "%d,%d", matchptr + offsets[0] - ptr,
997                offsets[1] - offsets[0]);
998            else if (file_offsets)
999              fprintf(stdout, "%d,%d", filepos + matchptr + offsets[0] - ptr,
1000                offsets[1] - offsets[0]);
1001            else
1002              fwrite(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);
1003            fprintf(stdout, "\n");
1004            matchptr += offsets[1];
1005            length -= offsets[1];
1006            match = FALSE;
1007            goto ONLY_MATCHING_RESTART;
1008            }
1009        }        }
1010    
1011      /* This is the default case when none of the above options is set. We print      /* This is the default case when none of the above options is set. We print
# Line 1006  while (ptr < endptr) Line 1095  while (ptr < endptr)
1095    
1096        /* In multiline mode, we want to print to the end of the line in which        /* In multiline mode, we want to print to the end of the line in which
1097        the end of the matched string is found, so we adjust linelength and the        the end of the matched string is found, so we adjust linelength and the
1098        line number appropriately. Because the PCRE_FIRSTLINE option is set, the        line number appropriately, but only when there actually was a match
1099        start of the match will always be before the first newline sequence. */        (invert not set). Because the PCRE_FIRSTLINE option is set, the start of
1100          the match will always be before the first newline sequence. */
1101    
1102        if (multiline)        if (multiline)
1103          {          {
1104          int ellength;          int ellength;
1105          char *endmatch = ptr + offsets[1];          char *endmatch = ptr;
1106          t = ptr;          if (!invert)
         while (t < endmatch)  
1107            {            {
1108            t = end_of_line(t, endptr, &ellength);            endmatch += offsets[1];
1109            if (t <= endmatch) linenumber++; else break;            t = ptr;
1110              while (t < endmatch)
1111                {
1112                t = end_of_line(t, endptr, &ellength);
1113                if (t <= endmatch) linenumber++; else break;
1114                }
1115            }            }
1116          endmatch = end_of_line(endmatch, endptr, &ellength);          endmatch = end_of_line(endmatch, endptr, &ellength);
1117          linelength = endmatch - ptr - ellength;          linelength = endmatch - ptr - ellength;
# Line 1050  while (ptr < endptr) Line 1144  while (ptr < endptr)
1144          fprintf(stdout, "%c[%sm", 0x1b, colour_string);          fprintf(stdout, "%c[%sm", 0x1b, colour_string);
1145          fwrite(ptr + offsets[0], 1, offsets[1] - offsets[0], stdout);          fwrite(ptr + offsets[0], 1, offsets[1] - offsets[0], stdout);
1146          fprintf(stdout, "%c[00m", 0x1b);          fprintf(stdout, "%c[00m", 0x1b);
1147          fwrite(ptr + offsets[1], 1, linelength - offsets[1], stdout);          fwrite(ptr + offsets[1], 1, (linelength + endlinelength) - offsets[1],
1148              stdout);
1149          }          }
1150        else fwrite(ptr, 1, linelength + endlinelength, stdout);        else fwrite(ptr, 1, linelength + endlinelength, stdout);
1151        }        }
# Line 1066  while (ptr < endptr) Line 1161  while (ptr < endptr)
1161      lastmatchnumber = linenumber + 1;      lastmatchnumber = linenumber + 1;
1162      }      }
1163    
1164    /* Advance to after the newline and increment the line number. */    /* For a match in multiline inverted mode (which of course did not cause
1165      anything to be printed), we have to move on to the end of the match before
1166      proceeding. */
1167    
1168      if (multiline && invert && match)
1169        {
1170        int ellength;
1171        char *endmatch = ptr + offsets[1];
1172        t = ptr;
1173        while (t < endmatch)
1174          {
1175          t = end_of_line(t, endptr, &ellength);
1176          if (t <= endmatch) linenumber++; else break;
1177          }
1178        endmatch = end_of_line(endmatch, endptr, &ellength);
1179        linelength = endmatch - ptr - ellength;
1180        }
1181    
1182      /* Advance to after the newline and increment the line number. The file
1183      offset to the current line is maintained in filepos. */
1184    
1185    ptr += linelength + endlinelength;    ptr += linelength + endlinelength;
1186      filepos += linelength + endlinelength;
1187    linenumber++;    linenumber++;
1188    
1189    /* 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 1255  for (op = optionlist; op->one_char != 0; Line 1370  for (op = optionlist; op->one_char != 0;
1370    if (op->one_char > 0) fprintf(stderr, "%c", op->one_char);    if (op->one_char > 0) fprintf(stderr, "%c", op->one_char);
1371    }    }
1372  fprintf(stderr, "] [long options] [pattern] [files]\n");  fprintf(stderr, "] [long options] [pattern] [files]\n");
1373  fprintf(stderr, "Type `pcregrep --help' for more information.\n");  fprintf(stderr, "Type `pcregrep --help' for more information and the long "
1374      "options.\n");
1375  return rc;  return rc;
1376  }  }
1377    
# Line 1310  handle_option(int letter, int options) Line 1426  handle_option(int letter, int options)
1426  {  {
1427  switch(letter)  switch(letter)
1428    {    {
1429      case N_FOFFSETS: file_offsets = TRUE; break;
1430    case N_HELP: help(); exit(0);    case N_HELP: help(); exit(0);
1431      case N_LOFFSETS: line_offsets = number = TRUE; break;
1432    case 'c': count_only = TRUE; break;    case 'c': count_only = TRUE; break;
1433    case 'F': process_options |= PO_FIXED_STRINGS; break;    case 'F': process_options |= PO_FIXED_STRINGS; break;
1434    case 'H': filenames = FN_FORCE; break;    case 'H': filenames = FN_FORCE; break;
# Line 1406  sprintf(buffer, "%s%.*s%s", prefix[proce Line 1524  sprintf(buffer, "%s%.*s%s", prefix[proce
1524    suffix[process_options]);    suffix[process_options]);
1525  pattern_list[pattern_count] =  pattern_list[pattern_count] =
1526    pcre_compile(buffer, options, &error, &errptr, pcretables);    pcre_compile(buffer, options, &error, &errptr, pcretables);
1527  if (pattern_list[pattern_count++] != NULL) return TRUE;  if (pattern_list[pattern_count] != NULL)
1528      {
1529      pattern_count++;
1530      return TRUE;
1531      }
1532    
1533  /* Handle compile errors */  /* Handle compile errors */
1534    
# Line 1464  if ((process_options & PO_FIXED_STRINGS) Line 1586  if ((process_options & PO_FIXED_STRINGS)
1586      char *p = end_of_line(pattern, eop, &ellength);      char *p = end_of_line(pattern, eop, &ellength);
1587      if (ellength == 0)      if (ellength == 0)
1588        return compile_single_pattern(pattern, options, filename, count);        return compile_single_pattern(pattern, options, filename, count);
1589      sprintf(buffer, "%.*s", p - pattern - ellength, pattern);      sprintf(buffer, "%.*s", (int)(p - pattern - ellength), pattern);
1590      pattern = p;      pattern = p;
1591      if (!compile_single_pattern(buffer, options, filename, count))      if (!compile_single_pattern(buffer, options, filename, count))
1592        return FALSE;        return FALSE;
# Line 1488  int i, j; Line 1610  int i, j;
1610  int rc = 1;  int rc = 1;
1611  int pcre_options = 0;  int pcre_options = 0;
1612  int cmd_pattern_count = 0;  int cmd_pattern_count = 0;
1613    int hint_count = 0;
1614  int errptr;  int errptr;
1615  BOOL only_one_at_top;  BOOL only_one_at_top;
1616  char *patterns[MAX_PATTERN_COUNT];  char *patterns[MAX_PATTERN_COUNT];
# Line 1505  switch(i) Line 1628  switch(i)
1628    case '\r':               newline = (char *)"cr"; break;    case '\r':               newline = (char *)"cr"; break;
1629    case ('\r' << 8) | '\n': newline = (char *)"crlf"; break;    case ('\r' << 8) | '\n': newline = (char *)"crlf"; break;
1630    case -1:                 newline = (char *)"any"; break;    case -1:                 newline = (char *)"any"; break;
1631      case -2:                 newline = (char *)"anycrlf"; break;
1632    }    }
1633    
1634  /* Process the options */  /* Process the options */
# Line 1562  for (i = 1; i < argc; i++) Line 1686  for (i = 1; i < argc; i++)
1686          else                 /* Special case xxx=data */          else                 /* Special case xxx=data */
1687            {            {
1688            int oplen = equals - op->long_name;            int oplen = equals - op->long_name;
1689            int arglen = (argequals == NULL)? strlen(arg) : argequals - arg;            int arglen = (argequals == NULL)? (int)strlen(arg) : argequals - arg;
1690            if (oplen == arglen && strncmp(arg, op->long_name, oplen) == 0)            if (oplen == arglen && strncmp(arg, op->long_name, oplen) == 0)
1691              {              {
1692              option_data = arg + arglen;              option_data = arg + arglen;
# Line 1581  for (i = 1; i < argc; i++) Line 1705  for (i = 1; i < argc; i++)
1705          char buff2[24];          char buff2[24];
1706          int baselen = opbra - op->long_name;          int baselen = opbra - op->long_name;
1707          sprintf(buff1, "%.*s", baselen, op->long_name);          sprintf(buff1, "%.*s", baselen, op->long_name);
1708          sprintf(buff2, "%s%.*s", buff1, strlen(op->long_name) - baselen - 2,          sprintf(buff2, "%s%.*s", buff1,
1709            opbra + 1);            (int)strlen(op->long_name) - baselen - 2, opbra + 1);
1710          if (strcmp(arg, buff1) == 0 || strcmp(arg, buff2) == 0)          if (strcmp(arg, buff1) == 0 || strcmp(arg, buff2) == 0)
1711            break;            break;
1712          }          }
# Line 1740  if (both_context > 0) Line 1864  if (both_context > 0)
1864    if (after_context == 0) after_context = both_context;    if (after_context == 0) after_context = both_context;
1865    if (before_context == 0) before_context = both_context;    if (before_context == 0) before_context = both_context;
1866    }    }
1867    
1868    /* Only one of --only-matching, --file-offsets, or --line-offsets is permitted.
1869    However, the latter two set the only_matching flag. */
1870    
1871    if ((only_matching && (file_offsets || line_offsets)) ||
1872        (file_offsets && line_offsets))
1873      {
1874      fprintf(stderr, "pcregrep: Cannot mix --only-matching, --file-offsets "
1875        "and/or --line-offsets\n");
1876      exit(usage(2));
1877      }
1878    
1879    if (file_offsets || line_offsets) only_matching = TRUE;
1880    
1881  /* 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
1882  LC_ALL environment variable is set, and if so, use it. */  LC_ALL environment variable is set, and if so, use it. */
# Line 1812  else if (strcmp(newline, "any") == 0 || Line 1949  else if (strcmp(newline, "any") == 0 ||
1949    pcre_options |= PCRE_NEWLINE_ANY;    pcre_options |= PCRE_NEWLINE_ANY;
1950    endlinetype = EL_ANY;    endlinetype = EL_ANY;
1951    }    }
1952    else if (strcmp(newline, "anycrlf") == 0 || strcmp(newline, "ANYCRLF") == 0)
1953      {
1954      pcre_options |= PCRE_NEWLINE_ANYCRLF;
1955      endlinetype = EL_ANYCRLF;
1956      }
1957  else  else
1958    {    {
1959    fprintf(stderr, "pcregrep: Invalid newline specifier \"%s\"\n", newline);    fprintf(stderr, "pcregrep: Invalid newline specifier \"%s\"\n", newline);
# Line 1866  hints_list = (pcre_extra **)malloc(MAX_P Line 2008  hints_list = (pcre_extra **)malloc(MAX_P
2008  if (pattern_list == NULL || hints_list == NULL)  if (pattern_list == NULL || hints_list == NULL)
2009    {    {
2010    fprintf(stderr, "pcregrep: malloc failed\n");    fprintf(stderr, "pcregrep: malloc failed\n");
2011    goto EXIT2;    goto EXIT2;
2012    }    }
2013    
2014  /* 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 1885  for (j = 0; j < cmd_pattern_count; j++) Line 2027  for (j = 0; j < cmd_pattern_count; j++)
2027    {    {
2028    if (!compile_pattern(patterns[j], pcre_options, NULL,    if (!compile_pattern(patterns[j], pcre_options, NULL,
2029         (j == 0 && cmd_pattern_count == 1)? 0 : j + 1))         (j == 0 && cmd_pattern_count == 1)? 0 : j + 1))
2030      goto EXIT2;      goto EXIT2;
2031    }    }
2032    
2033  /* Compile the regular expressions that are provided in a file. */  /* Compile the regular expressions that are provided in a file. */
# Line 1909  if (pattern_filename != NULL) Line 2051  if (pattern_filename != NULL)
2051        {        {
2052        fprintf(stderr, "pcregrep: Failed to open %s: %s\n", pattern_filename,        fprintf(stderr, "pcregrep: Failed to open %s: %s\n", pattern_filename,
2053          strerror(errno));          strerror(errno));
2054        goto EXIT2;        goto EXIT2;
2055        }        }
2056      filename = pattern_filename;      filename = pattern_filename;
2057      }      }
# Line 1940  for (j = 0; j < pattern_count; j++) Line 2082  for (j = 0; j < pattern_count; j++)
2082      fprintf(stderr, "pcregrep: Error while studying regex%s: %s\n", s, error);      fprintf(stderr, "pcregrep: Error while studying regex%s: %s\n", s, error);
2083      goto EXIT2;      goto EXIT2;
2084      }      }
2085      hint_count++;
2086    }    }
2087    
2088  /* If there are include or exclude patterns, compile them. */  /* If there are include or exclude patterns, compile them. */
# Line 1974  if (i >= argc) Line 2117  if (i >= argc)
2117    {    {
2118    rc = pcregrep(stdin, (filenames > FN_DEFAULT)? stdin_name : NULL);    rc = pcregrep(stdin, (filenames > FN_DEFAULT)? stdin_name : NULL);
2119    goto EXIT;    goto EXIT;
2120    }    }
2121    
2122  /* Otherwise, work through the remaining arguments as files or directories.  /* Otherwise, work through the remaining arguments as files or directories.
2123  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 1994  for (; i < argc; i++) Line 2137  for (; i < argc; i++)
2137  EXIT:  EXIT:
2138  if (pattern_list != NULL)  if (pattern_list != NULL)
2139    {    {
2140    for (i = 0; i < pattern_count; i++) free(pattern_list[i]);    for (i = 0; i < pattern_count; i++) free(pattern_list[i]);
2141    free(pattern_list);    free(pattern_list);
2142    }    }
2143  if (hints_list != NULL)  if (hints_list != NULL)
2144    {    {
2145    for (i = 0; i < pattern_count; i++) free(hints_list[i]);    for (i = 0; i < hint_count; i++) free(hints_list[i]);
2146    free(hints_list);    free(hints_list);
2147    }    }
2148  return rc;  return rc;
2149    
2150  EXIT2:  EXIT2:
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