1/* rldefs.h -- an attempt to isolate some of the system-specific defines
2   for readline.  This should be included after any files that define
3   system-specific constants like _POSIX_VERSION or USG. */
4
5/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
6
7   This file is part of the GNU Readline Library (Readline), a library
8   for reading lines of text with interactive input and history editing.
9
10   Readline is free software: you can redistribute it and/or modify
11   it under the terms of the GNU General Public License as published by
12   the Free Software Foundation, either version 3 of the License, or
13   (at your option) any later version.
14
15   Readline is distributed in the hope that it will be useful,
16   but WITHOUT ANY WARRANTY; without even the implied warranty of
17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18   GNU General Public License for more details.
19
20   You should have received a copy of the GNU General Public License
21   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
22*/
23
24#if !defined (_RLDEFS_H_)
25#define _RLDEFS_H_
26
27#if defined (HAVE_CONFIG_H)
28#  include "config.h"
29#endif
30
31#include "rlstdc.h"
32
33#if defined (STRCOLL_BROKEN)
34#  undef HAVE_STRCOLL
35#endif
36
37#if defined (_POSIX_VERSION) && !defined (TERMIOS_MISSING)
38#  define TERMIOS_TTY_DRIVER
39#else
40#  if defined (HAVE_TERMIO_H)
41#    define TERMIO_TTY_DRIVER
42#  else
43#    if !defined (__MINGW32__)
44#      define NEW_TTY_DRIVER
45#    else
46#      define NO_TTY_DRIVER
47#    endif
48#  endif
49#endif
50
51/* Posix macro to check file in statbuf for directory-ness.
52   This requires that <sys/stat.h> be included before this test. */
53#if defined (S_IFDIR) && !defined (S_ISDIR)
54#  define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
55#endif
56
57/* Decide which flavor of the header file describing the C library
58   string functions to include and include it. */
59
60#if defined (HAVE_STRING_H)
61#  include <string.h>
62#else /* !HAVE_STRING_H */
63#  include <strings.h>
64#endif /* !HAVE_STRING_H */
65
66#if !defined (strchr) && !defined (__STDC__)
67extern char *strchr (), *strrchr ();
68#endif /* !strchr && !__STDC__ */
69
70#if defined (PREFER_STDARG)
71#  include <stdarg.h>
72#else
73#  if defined (PREFER_VARARGS)
74#    include <varargs.h>
75#  endif
76#endif
77
78#if defined (HAVE_STRCASECMP)
79#define _rl_stricmp strcasecmp
80#define _rl_strnicmp strncasecmp
81#else
82extern int _rl_stricmp PARAMS((char *, char *));
83extern int _rl_strnicmp PARAMS((char *, char *, int));
84#endif
85
86#if defined (HAVE_STRPBRK) && !defined (HAVE_MULTIBYTE)
87#  define _rl_strpbrk(a,b)	strpbrk((a),(b))
88#else
89extern char *_rl_strpbrk PARAMS((const char *, const char *));
90#endif
91
92#if !defined (emacs_mode)
93#  define no_mode -1
94#  define vi_mode 0
95#  define emacs_mode 1
96#endif
97
98#if !defined (RL_IM_INSERT)
99#  define RL_IM_INSERT		1
100#  define RL_IM_OVERWRITE	0
101#
102#  define RL_IM_DEFAULT		RL_IM_INSERT
103#endif
104
105/* If you cast map[key].function to type (Keymap) on a Cray,
106   the compiler takes the value of map[key].function and
107   divides it by 4 to convert between pointer types (pointers
108   to functions and pointers to structs are different sizes).
109   This is not what is wanted. */
110#if defined (CRAY)
111#  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)((int)map[key].function)
112#  define KEYMAP_TO_FUNCTION(data)	(rl_command_func_t *)((int)(data))
113#else
114#  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)(map[key].function)
115#  define KEYMAP_TO_FUNCTION(data)	(rl_command_func_t *)(data)
116#endif
117
118#ifndef savestring
119#define savestring(x) strcpy ((char *)xmalloc (1 + strlen (x)), (x))
120#endif
121
122/* Possible values for _rl_bell_preference. */
123#define NO_BELL 0
124#define AUDIBLE_BELL 1
125#define VISIBLE_BELL 2
126
127/* Definitions used when searching the line for characters. */
128/* NOTE: it is necessary that opposite directions are inverses */
129#define	FTO	 1		/* forward to */
130#define BTO	-1		/* backward to */
131#define FFIND	 2		/* forward find */
132#define BFIND	-2		/* backward find */
133
134/* Possible values for the found_quote flags word used by the completion
135   functions.  It says what kind of (shell-like) quoting we found anywhere
136   in the line. */
137#define RL_QF_SINGLE_QUOTE	0x01
138#define RL_QF_DOUBLE_QUOTE	0x02
139#define RL_QF_BACKSLASH		0x04
140#define RL_QF_OTHER_QUOTE	0x08
141
142/* Default readline line buffer length. */
143#define DEFAULT_BUFFER_SIZE 256
144
145#if !defined (STREQ)
146#define STREQ(a, b)	(((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
147#define STREQN(a, b, n)	(((n) == 0) ? (1) \
148				    : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
149#endif
150
151#if !defined (FREE)
152#  define FREE(x)	if (x) free (x)
153#endif
154
155#if !defined (SWAP)
156#  define SWAP(s, e)  do { int t; t = s; s = e; e = t; } while (0)
157#endif
158
159/* CONFIGURATION SECTION */
160#include "rlconf.h"
161
162#endif /* !_RLDEFS_H_ */
163