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/* rldefs.h -- an attempt to isolate some of the system-specific defines
   for readline.  This should be included after any files that define
   system-specific constants like _POSIX_VERSION or USG. */
 
/* Copyright (C) 1987,1989 Free Software Foundation, Inc.
 
   This file contains the Readline Library (the Library), a set of
   routines for providing Emacs style line input to programs that ask
   for it.
 
   The 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 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. */
 
#if !defined (_RLDEFS_H_)
#define _RLDEFS_H_
 
#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif
 
#if defined (_POSIX_VERSION) && !defined (TERMIOS_MISSING)
#  define TERMIOS_TTY_DRIVER
#else
#  if defined (HAVE_TERMIO_H)
#    define TERMIO_TTY_DRIVER
#  else
#    define NEW_TTY_DRIVER
#  endif
#endif
 
/* Posix macro to check file in statbuf for directory-ness.
   This requires that <sys/stat.h> be included before this test. */
#if defined (S_IFDIR) && !defined (S_ISDIR)
#  define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
#endif
 
/* Decide which flavor of the header file describing the C library
   string functions to include and include it. */
 
#if defined (HAVE_STRING_H)
#  include <string.h>
#else /* !HAVE_STRING_H */
#  include <strings.h>
#endif /* !HAVE_STRING_H */
 
#if !defined (strchr) && !defined (__STDC__)
extern char *strchr (), *strrchr ();
#endif /* !strchr && !__STDC__ */
 
#if defined (PREFER_STDARG)
#  include <stdarg.h>
#else
#  if defined (PREFER_VARARGS)
#    include <varargs.h>
#  endif
#endif
 
#if defined (HAVE_STRCASECMP)
#define _rl_stricmp strcasecmp
#define _rl_strnicmp strncasecmp
#else
extern int _rl_stricmp (), _rl_strnicmp ();
#endif
 
#if !defined (emacs_mode)
#  define no_mode -1
#  define vi_mode 0
#  define emacs_mode 1
#endif
 
/* If you cast map[key].function to type (Keymap) on a Cray,
   the compiler takes the value of map[key].function and
   divides it by 4 to convert between pointer types (pointers
   to functions and pointers to structs are different sizes).
   This is not what is wanted. */
#if defined (CRAY)
#  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)((int)map[key].function)
#  define KEYMAP_TO_FUNCTION(data)	(Function *)((int)(data))
#else
#  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)(map[key].function)
#  define KEYMAP_TO_FUNCTION(data)	(Function *)(data)
#endif
 
#ifndef savestring
extern char *xmalloc ();
#define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
#endif
 
/* Possible values for _rl_bell_preference. */
#define NO_BELL 0
#define AUDIBLE_BELL 1
#define VISIBLE_BELL 2
 
/* Definitions used when searching the line for characters. */
/* NOTE: it is necessary that opposite directions are inverses */
#define	FTO	 1		/* forward to */
#define BTO	-1		/* backward to */
#define FFIND	 2		/* forward find */
#define BFIND	-2		/* backward find */
 
/* Possible values for the found_quote flags word used by the completion
   functions.  It says what kind of (shell-like) quoting we found anywhere
   in the line. */
#define RL_QF_SINGLE_QUOTE	0x1
#define RL_QF_DOUBLE_QUOTE	0x2
#define RL_QF_BACKSLASH		0x4
 
/* Default readline line buffer length. */
#define DEFAULT_BUFFER_SIZE 256
 
#if !defined (STREQ)
#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))
#endif
 
#if !defined (FREE)
#  define FREE(x)	if (x) free (x)
#endif
 
/* CONFIGURATION SECTION */
#include "rlconf.h"
 
#endif /* !_RLDEFS_H_ */