flags.h

   1 /* flags.h -- a list of all the flags that the shell knows about.  You add
   2    a flag to this program by adding the name here, and in flags.c. */
   3
   4 /* Copyright (C) 1993 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Bash, the Bourne Again SHell.
   7
   8    Bash is free software; you can redistribute it and/or modify it under
   9    the terms of the GNU General Public License as published by the Free
  10    Software Foundation; either version 2, or (at your option) any later
  11    version.
  12
  13    Bash is distributed in the hope that it will be useful, but WITHOUT ANY
  14    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16    for more details.
  17
  18    You should have received a copy of the GNU General Public License along
  19    with Bash; see the file COPYING.  If not, write to the Free Software
  20    Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
  21
  22 #if !defined (_FLAGS_H)
  23 #define _FLAGS_H
  24
  25 #include "stdc.h"
  26
  27 /* Welcome to the world of Un*x, where everything is slightly backwards. */
  28 #define FLAG_ON '-'
  29 #define FLAG_OFF '+'
  30
  31 #define FLAG_ERROR -1
  32 #define FLAG_UNKNOWN (int *)0
  33
  34 /* The thing that we build the array of flags out of. */
  35 struct flags_alist {
  36   char name;
  37   int *value;
  38 };
  39
  40 extern struct flags_alist shell_flags[];
  41
  42 extern int
  43   mark_modified_vars, exit_immediately_on_error, disallow_filename_globbing,
  44   locate_commands_in_functions, place_keywords_in_env, read_but_dont_execute,
  45   just_one_command, unbound_vars_is_error, echo_input_at_read,
  46   echo_command_at_execute, lexical_scoping, no_invisible_vars, noclobber,
  47   hashing_disabled, forced_interactive, privileged_mode,
  48   asynchronous_notification, interactive_comments, no_symbolic_links;
  49
  50 #if defined (BANG_HISTORY)
  51 extern int history_expansion;
  52 #endif /* BANG_HISTORY */
  53
  54 #if defined (RESTRICTED_SHELL)
  55 extern int restricted;
  56 #endif /* RESTRICTED_SHELL */
  57
  58 extern int *find_flag __P((int));
  59 extern int change_flag __P((int, int));
  60 extern char *which_set_flags __P((void));
  61
  62 /* A macro for efficiency. */
  63 #define change_flag_char(flag, on_or_off)  change_flag (flag, on_or_off)
  64
  65 #endif /* _FLAGS_H */