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- This file is builtin.def, from which is created builtin.c.
- It implements the builtin "builtin" in Bash.
-
- Copyright (C) 1987, 1989, 1991 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 1, 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; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $PRODUCES builtin.c
-
- $BUILTIN builtin
- $FUNCTION builtin_builtin
- $SHORT_DOC builtin [shell-builtin [arg ...]]
- Run a shell builtin. This is useful when you wish to rename a
- shell builtin to be a function, but need the functionality of the
- builtin within the function itself.
- $END
-
- #include "../shell.h"
- extern char *this_command_name;
-
- /* Run the command mentioned in list directly, without going through the
- normal alias/function/builtin/filename lookup process. */
- builtin_builtin (list)
- WORD_LIST *list;
- {
- extern Function *find_shell_builtin (), *builtin_address ();
- Function *function;
- register char *command;
-
- if (!list)
- return (EXECUTION_SUCCESS);
-
- command = (list->word->word);
- #if defined (DISABLED_BUILTINS)
- function = builtin_address (command);
- #else /* !DISABLED_BUILTINS */
- function = find_shell_builtin (command);
- #endif /* !DISABLED_BUILTINS */
-
- if (!function)
- {
- builtin_error ("%s: Not a shell builtin!", command);
- return (EXECUTION_FAILURE);
- }
- else
- {
- this_command_name = command;
- list = list->next;
- return ((*function) (list));
- }
- }
-
-