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/* flags.h -- a list of all the flags that the shell knows about. You add
a flag to this program by adding the name here, and in flags.c. */
/* Copyright (C) 1993-2020 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_FLAGS_H_)
#define _FLAGS_H_
#include "stdc.h"
/* Welcome to the world of Un*x, where everything is slightly backwards. */
#define FLAG_ON '-'
#define FLAG_OFF '+'
#define FLAG_ERROR -1
#define FLAG_UNKNOWN (int *)0
/* The thing that we build the array of flags out of. */
struct flags_alist {
char name;
int *value;
};
extern const struct flags_alist shell_flags[];
extern char optflags[];
extern int
mark_modified_vars, errexit_flag, exit_immediately_on_error,
disallow_filename_globbing,
place_keywords_in_env, read_but_dont_execute,
just_one_command, unbound_vars_is_error, echo_input_at_read, verbose_flag,
echo_command_at_execute, noclobber,
hashing_enabled, forced_interactive, privileged_mode, jobs_m_flag,
asynchronous_notification, interactive_comments, no_symbolic_links,
function_trace_mode, error_trace_mode, pipefail_opt;
/* -c, -s invocation options -- not really flags, but they show up in $- */
extern int want_pending_command, read_from_stdin;
#if 0
extern int lexical_scoping;
#endif
#if defined (BRACE_EXPANSION)
extern int brace_expansion;
#endif
#if defined (BANG_HISTORY)
extern int history_expansion;
extern int histexp_flag;
#endif /* BANG_HISTORY */
#if defined (RESTRICTED_SHELL)
extern int restricted;
extern int restricted_shell;
#endif /* RESTRICTED_SHELL */
extern int *find_flag PARAMS((int));
extern int change_flag PARAMS((int, int));
extern char *which_set_flags PARAMS((void));
extern void reset_shell_flags PARAMS((void));
extern char *get_current_flags PARAMS((void));
extern void set_current_flags PARAMS((const char *));
extern void initialize_flags PARAMS((void));
/* A macro for efficiency. */
#define change_flag_char(flag, on_or_off) change_flag (flag, on_or_off)
#endif /* _FLAGS_H_ */
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