gnu/dist/gdb6/readline/rldefs.h

   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) 1987-2005 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 #    if !defined (__MINGW32__)
  42 #      define NEW_TTY_DRIVER
  43 #    else
  44 #      define NO_TTY_DRIVER
  45 #    endif
  46 #  endif
  47 #endif
  48
  49 /* Posix macro to check file in statbuf for directory-ness.
  50    This requires that <sys/stat.h> be included before this test. */
  51 #if defined (S_IFDIR) && !defined (S_ISDIR)
  52 #  define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
  53 #endif
  54
  55 /* Decide which flavor of the header file describing the C library
  56    string functions to include and include it. */
  57
  58 #if defined (HAVE_STRING_H)
  59 #  include <string.h>
  60 #else /* !HAVE_STRING_H */
  61 #  include <strings.h>
  62 #endif /* !HAVE_STRING_H */
  63
  64 #if !defined (strchr) && !defined (__STDC__)
  65 extern char *strchr (), *strrchr ();
  66 #endif /* !strchr && !__STDC__ */
  67
  68 #if defined (PREFER_STDARG)
  69 #  include <stdarg.h>
  70 #else
  71 #  if defined (PREFER_VARARGS)
  72 #    include <varargs.h>
  73 #  endif
  74 #endif
  75
  76 #if defined (HAVE_STRCASECMP)
  77 #define _rl_stricmp strcasecmp
  78 #define _rl_strnicmp strncasecmp
  79 #else
  80 extern int _rl_stricmp PARAMS((char *, char *));
  81 extern int _rl_strnicmp PARAMS((char *, char *, int));
  82 #endif
  83
  84 #if defined (HAVE_STRPBRK) && !defined (HAVE_MULTIBYTE)
  85 #  define _rl_strpbrk(a,b)      strpbrk((a),(b))
  86 #else
  87 extern char *_rl_strpbrk PARAMS((const char *, const char *));
  88 #endif
  89
  90 #if !defined (emacs_mode)
  91 #  define no_mode -1
  92 #  define vi_mode 0
  93 #  define emacs_mode 1
  94 #endif
  95
  96 #if !defined (RL_IM_INSERT)
  97 #  define RL_IM_INSERT          1
  98 #  define RL_IM_OVERWRITE       0
  99 #
 100 #  define RL_IM_DEFAULT         RL_IM_INSERT
 101 #endif
 102
 103 /* If you cast map[key].function to type (Keymap) on a Cray,
 104    the compiler takes the value of map[key].function and
 105    divides it by 4 to convert between pointer types (pointers
 106    to functions and pointers to structs are different sizes).
 107    This is not what is wanted. */
 108 #if defined (CRAY)
 109 #  define FUNCTION_TO_KEYMAP(map, key)  (Keymap)((int)map[key].function)
 110 #  define KEYMAP_TO_FUNCTION(data)      (rl_command_func_t *)((int)(data))
 111 #else
 112 #  define FUNCTION_TO_KEYMAP(map, key)  (Keymap)(map[key].function)
 113 #  define KEYMAP_TO_FUNCTION(data)      (rl_command_func_t *)(data)
 114 #endif
 115
 116 #ifndef savestring
 117 #define savestring(x) strcpy ((char *)xmalloc (1 + strlen (x)), (x))
 118 #endif
 119
 120 /* Possible values for _rl_bell_preference. */
 121 #define NO_BELL 0
 122 #define AUDIBLE_BELL 1
 123 #define VISIBLE_BELL 2
 124
 125 /* Definitions used when searching the line for characters. */
 126 /* NOTE: it is necessary that opposite directions are inverses */
 127 #define FTO      1              /* forward to */
 128 #define BTO     -1              /* backward to */
 129 #define FFIND    2              /* forward find */
 130 #define BFIND   -2              /* backward find */
 131
 132 /* Possible values for the found_quote flags word used by the completion
 133    functions.  It says what kind of (shell-like) quoting we found anywhere
 134    in the line. */
 135 #define RL_QF_SINGLE_QUOTE      0x01
 136 #define RL_QF_DOUBLE_QUOTE      0x02
 137 #define RL_QF_BACKSLASH         0x04
 138 #define RL_QF_OTHER_QUOTE       0x08
 139
 140 /* Default readline line buffer length. */
 141 #define DEFAULT_BUFFER_SIZE 256
 142
 143 #if !defined (STREQ)
 144 #define STREQ(a, b)     (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
 145 #define STREQN(a, b, n) (((n) == 0) ? (1) \
 146                                     : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
 147 #endif
 148
 149 #if !defined (FREE)
 150 #  define FREE(x)       if (x) free (x)
 151 #endif
 152
 153 #if !defined (SWAP)
 154 #  define SWAP(s, e)  do { int t; t = s; s = e; e = t; } while (0)
 155 #endif
 156
 157 /* CONFIGURATION SECTION */
 158 #include "rlconf.h"
 159
 160 #endif /* !_RLDEFS_H_ */