Move readline to the readline/readline subdirectory

[deliverable/binutils-gdb.git] / readline / examples / hist_erasedups.c

diff --git a/readline/examples/hist_erasedups.c b/readline/examples/hist_erasedups.c
deleted file mode 100644 (file)
index f820eba..0000000
--- a/readline/examples/hist_erasedups.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* hist_erasedups -- remove all duplicate entries from history file */
-
-/* Copyright (C) 2011 Free Software Foundation, Inc.
-
-   This file is part of the GNU Readline Library (Readline), a library for
-   reading lines of text with interactive input and history editing.
-
-   Readline is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   Readline is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
-*/
-#ifndef READLINE_LIBRARY
-#define READLINE_LIBRARY 1
-#endif
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#ifdef READLINE_LIBRARY
-#  include "history.h"
-#else
-#  include <readline/history.h>
-#endif
-
-#include <string.h>
-
-#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
-#define STREQN(a, b, n) ((n == 0) ? (1) \
-                                  : ((a)[0] == (b)[0] && strncmp(a, b, n) == 0))
-
-int hist_erasedups (void);
-
-static void
-usage()
-{
-  fprintf (stderr, "hist_erasedups: usage: hist_erasedups [-t] [filename]\n");
-  exit (2);
-}
-
-int
-main (argc, argv)
-     int argc;
-     char **argv;
-{
-  char *fn;
-  int r;
-
-  while ((r = getopt (argc, argv, "t")) != -1)
-    {
-      switch (r)
-       {
-       case 't':
-         history_write_timestamps = 1;
-         break;
-       default:
-         usage ();
-       }
-    }
-  argv += optind;
-  argc -= optind;
-
-  fn = argc ? argv[0] : getenv ("HISTFILE");
-  if (fn == 0)
-    {
-      fprintf (stderr, "hist_erasedups: no history file\n");
-      usage ();
-    }
-
-  if ((r = read_history (fn)) != 0)
-    {
-      fprintf (stderr, "hist_erasedups: read_history: %s: %s\n", fn, strerror (r));
-      exit (1);
-    }
-
-  hist_erasedups ();
-
-  if ((r = write_history (fn)) != 0)
-    {
-      fprintf (stderr, "hist_erasedups: write_history: %s: %s\n", fn, strerror (r));
-      exit (1);
-    }
-
-  exit (0);
-}
-
-int
-hist_erasedups ()
-{
-  int r, n;
-  HIST_ENTRY *h, *temp;
-
-  using_history ();
-  while (h = previous_history ())
-    {
-      r = where_history ();
-      for (n = 0; n < r; n++)
-       {
-         temp = history_get (n+history_base);
-         if (STREQ (h->line, temp->line))
-           {
-             remove_history (n);
-             r--;                      /* have to get one fewer now */
-             n--;                      /* compensate for above increment */
-             history_offset--;         /* moving backwards in history list */
-           }
-       }
-    }
-  using_history ();
-
-  return r;
-}