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) 1987,1989 Free Software Foundation, Inc.
6
7 This file contains the Readline Library (the Library), a set of
8 routines for providing Emacs style line input to programs that ask
9 for it.
10
11 The Library is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2, or (at your option)
14 any later version.
15
16 The Library is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
20
21 The GNU General Public License is often shipped with GNU software, and
22 is generally kept in a file called COPYING or LICENSE. If you do not
23 have a copy of the license, write to the Free Software Foundation,
24 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
25
26 #if !defined (_RLDEFS_H_)
27 #define _RLDEFS_H_
28
29 #if defined (HAVE_CONFIG_H)
30 # include "config.h"
31 #endif
32
33 #include "rlstdc.h"
34
35 #if defined (_POSIX_VERSION) && !defined (TERMIOS_MISSING)
36 # define TERMIOS_TTY_DRIVER
37 #else
38 # if defined (HAVE_TERMIO_H)
39 # define TERMIO_TTY_DRIVER
40 # else
41 # define NEW_TTY_DRIVER
42 # endif
43 #endif
44
45 /* Posix macro to check file in statbuf for directory-ness.
46 This requires that <sys/stat.h> be included before this test. */
47 #if defined (S_IFDIR) && !defined (S_ISDIR)
48 # define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
49 #endif
50
51 /* Decide which flavor of the header file describing the C library
52 string functions to include and include it. */
53
54 #if defined (HAVE_STRING_H)
55 # include <string.h>
56 #else /* !HAVE_STRING_H */
57 # include <strings.h>
58 #endif /* !HAVE_STRING_H */
59
60 #if !defined (strchr) && !defined (__STDC__)
61 extern char *strchr (), *strrchr ();
62 #endif /* !strchr && !__STDC__ */
63
64 #if defined (PREFER_STDARG)
65 # include <stdarg.h>
66 #else
67 # if defined (PREFER_VARARGS)
68 # include <varargs.h>
69 # endif
70 #endif
71
72 #if defined (HAVE_STRCASECMP)
73 #define _rl_stricmp strcasecmp
74 #define _rl_strnicmp strncasecmp
75 #else
76 extern int _rl_stricmp PARAMS((char *, char *));
77 extern int _rl_strnicmp PARAMS((char *, char *, int));
78 #endif
79
80 #if defined (HAVE_STRPBRK)
81 # define _rl_strpbrk(a,b) strpbrk((a),(b))
82 #else
83 extern char *_rl_strpbrk PARAMS((const char *, const char *));
84 #endif
85
86 #if !defined (emacs_mode)
87 # define no_mode -1
88 # define vi_mode 0
89 # define emacs_mode 1
90 #endif
91
92 #if !defined (RL_IM_INSERT)
93 # define RL_IM_INSERT 1
94 # define RL_IM_OVERWRITE 0
95 #
96 # define RL_IM_DEFAULT RL_IM_INSERT
97 #endif
98
99 /* If you cast map[key].function to type (Keymap) on a Cray,
100 the compiler takes the value of map[key].function and
101 divides it by 4 to convert between pointer types (pointers
102 to functions and pointers to structs are different sizes).
103 This is not what is wanted. */
104 #if defined (CRAY)
105 # define FUNCTION_TO_KEYMAP(map, key) (Keymap)((int)map[key].function)
106 # define KEYMAP_TO_FUNCTION(data) (rl_command_func_t *)((int)(data))
107 #else
108 # define FUNCTION_TO_KEYMAP(map, key) (Keymap)(map[key].function)
109 # define KEYMAP_TO_FUNCTION(data) (rl_command_func_t *)(data)
110 #endif
111
112 #if !defined (savestring)
113 #include <stdio.h>
114 #include <stdlib.h>
115 static char *
xstrdup(const char * s)116 xstrdup(const char *s)
117 {
118 char * cp;
119 cp = strdup(s);
120 if (cp == NULL) {
121 fprintf (stderr, "xstrdup: out of virtual memory\n");
122 exit (2);
123 }
124 return(cp);
125 }
126 #define savestring(x) xstrdup(x)
127 #endif /* !savestring */
128
129 /* Possible values for _rl_bell_preference. */
130 #define NO_BELL 0
131 #define AUDIBLE_BELL 1
132 #define VISIBLE_BELL 2
133
134 /* Definitions used when searching the line for characters. */
135 /* NOTE: it is necessary that opposite directions are inverses */
136 #define FTO 1 /* forward to */
137 #define BTO -1 /* backward to */
138 #define FFIND 2 /* forward find */
139 #define BFIND -2 /* backward find */
140
141 /* Possible values for the found_quote flags word used by the completion
142 functions. It says what kind of (shell-like) quoting we found anywhere
143 in the line. */
144 #define RL_QF_SINGLE_QUOTE 0x01
145 #define RL_QF_DOUBLE_QUOTE 0x02
146 #define RL_QF_BACKSLASH 0x04
147 #define RL_QF_OTHER_QUOTE 0x08
148
149 /* Default readline line buffer length. */
150 #define DEFAULT_BUFFER_SIZE 256
151
152 #if !defined (STREQ)
153 #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
154 #define STREQN(a, b, n) (((n) == 0) ? (1) \
155 : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
156 #endif
157
158 #if !defined (FREE)
159 # define FREE(x) if (x) free (x)
160 #endif
161
162 #if !defined (SWAP)
163 # define SWAP(s, e) do { int t; t = s; s = e; e = t; } while (0)
164 #endif
165
166 /* CONFIGURATION SECTION */
167 #include "rlconf.h"
168
169 #endif /* !_RLDEFS_H_ */
170