1 files changed, 261 insertions, 261 deletions
diff --git a/MSVC/readline/undo.c b/MSVC/readline/undo.c
index 9b8cdb2..07002da 100644
--- a/MSVC/readline/undo.c
+++ b/MSVC/readline/undo.c
@@ -1,261 +1,261 @@
-/* readline.c -- a general facility for reading lines of input
-   with emacs style editing and completion. */
-
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
-
-   This file is part of the GNU Readline Library, a library for
-   reading lines of text with interactive input and history editing.
-
-   The GNU Readline Library 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 2, or
-   (at your option) any later version.
-
-   The GNU Readline Library 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.
-
-   The GNU General Public License is often shipped with GNU software, and
-   is generally kept in a file called COPYING or LICENSE.  If you do not
-   have a copy of the license, write to the Free Software Foundation,
-   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
-#define READLINE_LIBRARY
-
-#include "config.h"
-
-#include <sys/types.h>
-
-#if defined (HAVE_UNISTD_H)
-#  include <unistd.h>           /* for _POSIX_VERSION */
-#endif /* HAVE_UNISTD_H */
-
-#if defined (HAVE_STDLIB_H)
-#  include <stdlib.h>
-#else
-#  include "ansi_stdlib.h"
-#endif /* HAVE_STDLIB_H */
-
-#include <stdio.h>
-
-/* System-specific feature definitions and include files. */
-#include "rldefs.h"
-
-/* Some standard library routines. */
-#include "readline.h"
-#include "history.h"
-
-#include "rlprivate.h"
-#include "xmalloc.h"
-
-/* Non-zero tells rl_delete_text and rl_insert_text to not add to
-   the undo list. */
-int _rl_doing_an_undo = 0;
-
-/* How many unclosed undo groups we currently have. */
-int _rl_undo_group_level = 0;
-
-/* The current undo list for THE_LINE. */
-UNDO_LIST *rl_undo_list = (UNDO_LIST *)NULL;
-
-/* **************************************************************** */
-/*								    */
-/*			Undo, and Undoing			    */
-/*								    */
-/* **************************************************************** */
-
-/* Remember how to undo something.  Concatenate some undos if that
-   seems right. */
-void
-rl_add_undo (what, start, end, text)
-     enum undo_code what;
-     int start, end;
-     char *text;
-{
-  UNDO_LIST *temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
-  temp->what = what;
-  temp->start = start;
-  temp->end = end;
-  temp->text = text;
-  temp->next = rl_undo_list;
-  rl_undo_list = temp;
-}
-
-/* Free the existing undo list. */
-void
-rl_free_undo_list ()
-{
-  while (rl_undo_list)
-    {
-      UNDO_LIST *release = rl_undo_list;
-      rl_undo_list = rl_undo_list->next;
-
-      if (release->what == UNDO_DELETE)
-	free (release->text);
-
-      free (release);
-    }
-  rl_undo_list = (UNDO_LIST *)NULL;
-}
-
-/* Undo the next thing in the list.  Return 0 if there
-   is nothing to undo, or non-zero if there was. */
-int
-rl_do_undo ()
-{
-  UNDO_LIST *release;
-  int waiting_for_begin, start, end;
-
-#define TRANS(i) ((i) == -1 ? rl_point : ((i) == -2 ? rl_end : (i)))
-
-  start = end = waiting_for_begin = 0;
-  do
-    {
-      if (!rl_undo_list)
-	return (0);
-
-      _rl_doing_an_undo = 1;
-      RL_SETSTATE(RL_STATE_UNDOING);
-
-      /* To better support vi-mode, a start or end value of -1 means
-	 rl_point, and a value of -2 means rl_end. */
-      if (rl_undo_list->what == UNDO_DELETE || rl_undo_list->what == UNDO_INSERT)
-	{
-	  start = TRANS (rl_undo_list->start);
-	  end = TRANS (rl_undo_list->end);
-	}
-
-      switch (rl_undo_list->what)
-	{
-	/* Undoing deletes means inserting some text. */
-	case UNDO_DELETE:
-	  rl_point = start;
-	  rl_insert_text (rl_undo_list->text);
-	  free (rl_undo_list->text);
-	  break;
-
-	/* Undoing inserts means deleting some text. */
-	case UNDO_INSERT:
-	  rl_delete_text (start, end);
-	  rl_point = start;
-	  break;
-
-	/* Undoing an END means undoing everything 'til we get to a BEGIN. */
-	case UNDO_END:
-	  waiting_for_begin++;
-	  break;
-
-	/* Undoing a BEGIN means that we are done with this group. */
-	case UNDO_BEGIN:
-	  if (waiting_for_begin)
-	    waiting_for_begin--;
-	  else
-	    rl_ding ();
-	  break;
-	}
-
-      _rl_doing_an_undo = 0;
-      RL_UNSETSTATE(RL_STATE_UNDOING);
-
-      release = rl_undo_list;
-      rl_undo_list = rl_undo_list->next;
-      free (release);
-    }
-  while (waiting_for_begin);
-
-  return (1);
-}
-#undef TRANS
-
-int
-_rl_fix_last_undo_of_type (type, start, end)
-     int type, start, end;
-{
-  UNDO_LIST *rl;
-
-  for (rl = rl_undo_list; rl; rl = rl->next)
-    {
-      if (rl->what == type)
-	{
-	  rl->start = start;
-	  rl->end = end;
-	  return 0;
-	}
-    }
-  return 1;
-}
-
-/* Begin a group.  Subsequent undos are undone as an atomic operation. */
-int
-rl_begin_undo_group ()
-{
-  rl_add_undo (UNDO_BEGIN, 0, 0, 0);
-  _rl_undo_group_level++;
-  return 0;
-}
-
-/* End an undo group started with rl_begin_undo_group (). */
-int
-rl_end_undo_group ()
-{
-  rl_add_undo (UNDO_END, 0, 0, 0);
-  _rl_undo_group_level--;
-  return 0;
-}
-
-/* Save an undo entry for the text from START to END. */
-int
-rl_modifying (start, end)
-     int start, end;
-{
-  if (start > end)
-    {
-      SWAP (start, end);
-    }
-
-  if (start != end)
-    {
-      char *temp = rl_copy_text (start, end);
-      rl_begin_undo_group ();
-      rl_add_undo (UNDO_DELETE, start, end, temp);
-      rl_add_undo (UNDO_INSERT, start, end, (char *)NULL);
-      rl_end_undo_group ();
-    }
-  return 0;
-}
-
-/* Revert the current line to its previous state. */
-int
-rl_revert_line (count, key)
-     int count, key;
-{
-  if (!rl_undo_list)
-    rl_ding ();
-  else
-    {
-      while (rl_undo_list)
-	rl_do_undo ();
-    }
-  return 0;
-}
-
-/* Do some undoing of things that were done. */
-int
-rl_undo_command (count, key)
-     int count, key;
-{
-  if (count < 0)
-    return 0;	/* Nothing to do. */
-
-  while (count)
-    {
-      if (rl_do_undo ())
-	count--;
-      else
-	{
-	  rl_ding ();
-	  break;
-	}
-    }
-  return 0;
-}
+/* readline.c -- a general facility for reading lines of input
+   with emacs style editing and completion. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library 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 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library 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.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#include "config.h"
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* Non-zero tells rl_delete_text and rl_insert_text to not add to
+   the undo list. */
+int _rl_doing_an_undo = 0;
+
+/* How many unclosed undo groups we currently have. */
+int _rl_undo_group_level = 0;
+
+/* The current undo list for THE_LINE. */
+UNDO_LIST *rl_undo_list = (UNDO_LIST *)NULL;
+
+/* **************************************************************** */
+/*								    */
+/*			Undo, and Undoing			    */
+/*								    */
+/* **************************************************************** */
+
+/* Remember how to undo something.  Concatenate some undos if that
+   seems right. */
+void
+rl_add_undo (what, start, end, text)
+     enum undo_code what;
+     int start, end;
+     char *text;
+{
+  UNDO_LIST *temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
+  temp->what = what;
+  temp->start = start;
+  temp->end = end;
+  temp->text = text;
+  temp->next = rl_undo_list;
+  rl_undo_list = temp;
+}
+
+/* Free the existing undo list. */
+void
+rl_free_undo_list ()
+{
+  while (rl_undo_list)
+    {
+      UNDO_LIST *release = rl_undo_list;
+      rl_undo_list = rl_undo_list->next;
+
+      if (release->what == UNDO_DELETE)
+	free (release->text);
+
+      free (release);
+    }
+  rl_undo_list = (UNDO_LIST *)NULL;
+}
+
+/* Undo the next thing in the list.  Return 0 if there
+   is nothing to undo, or non-zero if there was. */
+int
+rl_do_undo ()
+{
+  UNDO_LIST *release;
+  int waiting_for_begin, start, end;
+
+#define TRANS(i) ((i) == -1 ? rl_point : ((i) == -2 ? rl_end : (i)))
+
+  start = end = waiting_for_begin = 0;
+  do
+    {
+      if (!rl_undo_list)
+	return (0);
+
+      _rl_doing_an_undo = 1;
+      RL_SETSTATE(RL_STATE_UNDOING);
+
+      /* To better support vi-mode, a start or end value of -1 means
+	 rl_point, and a value of -2 means rl_end. */
+      if (rl_undo_list->what == UNDO_DELETE || rl_undo_list->what == UNDO_INSERT)
+	{
+	  start = TRANS (rl_undo_list->start);
+	  end = TRANS (rl_undo_list->end);
+	}
+
+      switch (rl_undo_list->what)
+	{
+	/* Undoing deletes means inserting some text. */
+	case UNDO_DELETE:
+	  rl_point = start;
+	  rl_insert_text (rl_undo_list->text);
+	  free (rl_undo_list->text);
+	  break;
+
+	/* Undoing inserts means deleting some text. */
+	case UNDO_INSERT:
+	  rl_delete_text (start, end);
+	  rl_point = start;
+	  break;
+
+	/* Undoing an END means undoing everything 'til we get to a BEGIN. */
+	case UNDO_END:
+	  waiting_for_begin++;
+	  break;
+
+	/* Undoing a BEGIN means that we are done with this group. */
+	case UNDO_BEGIN:
+	  if (waiting_for_begin)
+	    waiting_for_begin--;
+	  else
+	    rl_ding ();
+	  break;
+	}
+
+      _rl_doing_an_undo = 0;
+      RL_UNSETSTATE(RL_STATE_UNDOING);
+
+      release = rl_undo_list;
+      rl_undo_list = rl_undo_list->next;
+      free (release);
+    }
+  while (waiting_for_begin);
+
+  return (1);
+}
+#undef TRANS
+
+int
+_rl_fix_last_undo_of_type (type, start, end)
+     int type, start, end;
+{
+  UNDO_LIST *rl;
+
+  for (rl = rl_undo_list; rl; rl = rl->next)
+    {
+      if (rl->what == type)
+	{
+	  rl->start = start;
+	  rl->end = end;
+	  return 0;
+	}
+    }
+  return 1;
+}
+
+/* Begin a group.  Subsequent undos are undone as an atomic operation. */
+int
+rl_begin_undo_group ()
+{
+  rl_add_undo (UNDO_BEGIN, 0, 0, 0);
+  _rl_undo_group_level++;
+  return 0;
+}
+
+/* End an undo group started with rl_begin_undo_group (). */
+int
+rl_end_undo_group ()
+{
+  rl_add_undo (UNDO_END, 0, 0, 0);
+  _rl_undo_group_level--;
+  return 0;
+}
+
+/* Save an undo entry for the text from START to END. */
+int
+rl_modifying (start, end)
+     int start, end;
+{
+  if (start > end)
+    {
+      SWAP (start, end);
+    }
+
+  if (start != end)
+    {
+      char *temp = rl_copy_text (start, end);
+      rl_begin_undo_group ();
+      rl_add_undo (UNDO_DELETE, start, end, temp);
+      rl_add_undo (UNDO_INSERT, start, end, (char *)NULL);
+      rl_end_undo_group ();
+    }
+  return 0;
+}
+
+/* Revert the current line to its previous state. */
+int
+rl_revert_line (count, key)
+     int count, key;
+{
+  if (!rl_undo_list)
+    rl_ding ();
+  else
+    {
+      while (rl_undo_list)
+	rl_do_undo ();
+    }
+  return 0;
+}
+
+/* Do some undoing of things that were done. */
+int
+rl_undo_command (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return 0;	/* Nothing to do. */
+
+  while (count)
+    {
+      if (rl_do_undo ())
+	count--;
+      else
+	{
+	  rl_ding ();
+	  break;
+	}
+    }
+  return 0;
+}