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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) 1993-2009 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, 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,
+ echo_command_at_execute, no_invisible_vars, noclobber,
+ hashing_enabled, forced_interactive, privileged_mode,
+ asynchronous_notification, interactive_comments, no_symbolic_links,
+ function_trace_mode, error_trace_mode, pipefail_opt;
+
+#if 0
+extern int lexical_scoping;
+#endif
+
+#if defined (BRACE_EXPANSION)
+extern int brace_expansion;
+#endif
+
+#if defined (BANG_HISTORY)
+extern int history_expansion;
+#endif /* BANG_HISTORY */
+
+#if defined (RESTRICTED_SHELL)
+extern int restricted;
+extern int restricted_shell;
+#endif /* RESTRICTED_SHELL */
+
+extern int *find_flag __P((int));
+extern int change_flag __P((int, int));
+extern char *which_set_flags __P((void));
+extern void reset_shell_flags __P((void));
+
+extern void initialize_flags __P((void));
+
+/* A macro for efficiency. */
+#define change_flag_char(flag, on_or_off) change_flag (flag, on_or_off)
+
+#endif /* _FLAGS_H_ */