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Imported from ../bash-1.14.7.tar.gz.

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Jari Aalto 1996-08-26 18:22:31 +00:00
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builtins/builtin.def Normal file
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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"
#include "common.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;
{
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));
}
}