Remove obsolete pcre code

[privoxy.git] / pcre / pcregrep.c

diff --git a/pcre/pcregrep.c b/pcre/pcregrep.c
deleted file mode 100644 (file)
index e8c934e..0000000
--- a/pcre/pcregrep.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*************************************************
-*               pcregrep program                 *
-*************************************************/
-
-/* This is a grep program that uses the PCRE regular expression library to do
-its pattern matching. */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include "config.h"
-#include "pcre.h"
-
-#define FALSE 0
-#define TRUE 1
-
-typedef int BOOL;
-
-
-
-/*************************************************
-*               Global variables                 *
-*************************************************/
-
-static pcre *pattern;
-static pcre_extra *hints;
-
-static BOOL count_only = FALSE;
-static BOOL filenames_only = FALSE;
-static BOOL invert = FALSE;
-static BOOL number = FALSE;
-static BOOL silent = FALSE;
-static BOOL whole_lines = FALSE;
-
-
-
-#if ! HAVE_STRERROR
-/*************************************************
-*     Provide strerror() for non-ANSI libraries  *
-*************************************************/
-
-/* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
-in their libraries, but can provide the same facility by this simple
-alternative function. */
-
-extern int   sys_nerr;
-extern char *sys_errlist[];
-
-char *
-strerror(int n)
-{
-if (n < 0 || n >= sys_nerr) return "unknown error number";
-return sys_errlist[n];
-}
-#endif /* HAVE_STRERROR */
-
-
-
-/*************************************************
-*              Grep an individual file           *
-*************************************************/
-
-static int
-pcregrep(FILE *in, char *name)
-{
-int rc = 1;
-int linenumber = 0;
-int count = 0;
-int offsets[99];
-char buffer[BUFSIZ];
-
-while (fgets(buffer, sizeof(buffer), in) != NULL)
-  {
-  BOOL match;
-  int length = (int)strlen(buffer);
-  if (length > 0 && buffer[length-1] == '\n') buffer[--length] = 0;
-  linenumber++;
-
-  match = pcre_exec(pattern, hints, buffer, length, 0, 0, offsets, 99) >= 0;
-  if (match && whole_lines && offsets[1] != length) match = FALSE;
-
-  if (match != invert)
-    {
-    if (count_only) count++;
-
-    else if (filenames_only)
-      {
-      fprintf(stdout, "%s\n", (name == NULL)? "<stdin>" : name);
-      return 0;
-      }
-
-    else if (silent) return 0;
-
-    else
-      {
-      if (name != NULL) fprintf(stdout, "%s:", name);
-      if (number) fprintf(stdout, "%d:", linenumber);
-      fprintf(stdout, "%s\n", buffer);
-      }
-
-    rc = 0;
-    }
-  }
-
-if (count_only)
-  {
-  if (name != NULL) fprintf(stdout, "%s:", name);
-  fprintf(stdout, "%d\n", count);
-  }
-
-return rc;
-}
-
-
-
-
-/*************************************************
-*                Usage function                  *
-*************************************************/
-
-static int
-usage(int rc)
-{
-fprintf(stderr, "Usage: pcregrep [-Vchilnsvx] pattern [file] ...\n");
-return rc;
-}
-
-
-
-
-/*************************************************
-*                Main program                    *
-*************************************************/
-
-int
-main(int argc, char **argv)
-{
-int i;
-int rc = 1;
-int options = 0;
-int errptr;
-const char *error;
-BOOL filenames = TRUE;
-
-/* Process the options */
-
-for (i = 1; i < argc; i++)
-  {
-  char *s;
-  if (argv[i][0] != '-') break;
-  s = argv[i] + 1;
-  while (*s != 0)
-    {
-    switch (*s++)
-      {
-      case 'c': count_only = TRUE; break;
-      case 'h': filenames = FALSE; break;
-      case 'i': options |= PCRE_CASELESS; break;
-      case 'l': filenames_only = TRUE;
-      case 'n': number = TRUE; break;
-      case 's': silent = TRUE; break;
-      case 'v': invert = TRUE; break;
-      case 'x': whole_lines = TRUE; options |= PCRE_ANCHORED; break;
-
-      case 'V':
-      fprintf(stderr, "PCRE version %s\n", pcre_version());
-      break;
-
-      default:
-      fprintf(stderr, "pcregrep: unknown option %c\n", s[-1]);
-      return usage(2);
-      }
-    }
-  }
-
-/* There must be at least a regexp argument */
-
-if (i >= argc) return usage(0);
-
-/* Compile the regular expression. */
-
-pattern = pcre_compile(argv[i++], options, &error, &errptr, NULL);
-if (pattern == NULL)
-  {
-  fprintf(stderr, "pcregrep: error in regex at offset %d: %s\n", errptr, error);
-  return 2;
-  }
-
-/* Study the regular expression, as we will be running it may times */
-
-hints = pcre_study(pattern, 0, &error);
-if (error != NULL)
-  {
-  fprintf(stderr, "pcregrep: error while studing regex: %s\n", error);
-  return 2;
-  }
-
-/* If there are no further arguments, do the business on stdin and exit */
-
-if (i >= argc) return pcregrep(stdin, NULL);
-
-/* Otherwise, work through the remaining arguments as files. If there is only
-one, don't give its name on the output. */
-
-if (i == argc - 1) filenames = FALSE;
-if (filenames_only) filenames = TRUE;
-
-for (; i < argc; i++)
-  {
-  FILE *in = fopen(argv[i], "r");
-  if (in == NULL)
-    {
-    fprintf(stderr, "%s: failed to open: %s\n", argv[i], strerror(errno));
-    rc = 2;
-    }
-  else
-    {
-    int frc = pcregrep(in, filenames? argv[i] : NULL);
-    if (frc == 0 && rc == 1) rc = 0;
-    fclose(in);
-    }
-  }
-
-return rc;
-}
-
-/* End */