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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 1, 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,

   675 Mass Ave, Cambridge, MA 02139, 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) (((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_ */