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) 1987-2011 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__)
  67 extern 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
  82 extern int _rl_stricmp PARAMS((const char *, const char *));
  83 extern int _rl_strnicmp PARAMS((const char *, const char *, int));
  84 #endif
  85
  86 #if defined (HAVE_STRPBRK) && !defined (HAVE_MULTIBYTE)
  87 #  define _rl_strpbrk(a,b)      strpbrk((a),(b))
  88 #else
  89 extern 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 (RL_STRLEN)
 152 #  define RL_STRLEN(s) (((s) && (s)[0]) ? ((s)[1] ? ((s)[2] ? strlen(s) : 2) : 1) : 0)
 153 #endif
 154
 155 #if !defined (FREE)
 156 #  define FREE(x)       if (x) free (x)
 157 #endif
 158
 159 #if !defined (SWAP)
 160 #  define SWAP(s, e)  do { int t; t = s; s = e; e = t; } while (0)
 161 #endif
 162
 163 /* CONFIGURATION SECTION */
 164 #include "rlconf.h"
 165
 166 #endif /* !_RLDEFS_H_ */