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authorAn-Cheng Huang <ancheng@vyatta.com>2007-11-12 13:06:02 -0800
committerAn-Cheng Huang <ancheng@vyatta.com>2007-11-12 13:06:02 -0800
commitb7fc9e0f6d6105ba2203f219743d4b269415e84b (patch)
treeef6586dfc62798c2b17487b443864699aca55f31 /builtins/builtin.def
downloadvyatta-bash-b7fc9e0f6d6105ba2203f219743d4b269415e84b.tar.gz
vyatta-bash-b7fc9e0f6d6105ba2203f219743d4b269415e84b.zip
initial import from bash_3.1dfsg.orig.tar.gz
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+This file is builtin.def, from which is created builtin.c.
+It implements the builtin "builtin" in Bash.
+
+Copyright (C) 1987-2002 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 2, 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, 59 Temple Place, Suite 330, Boston, MA 02111 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 <config.h>
+
+#if defined (HAVE_UNISTD_H)
+# ifdef _MINIX
+# include <sys/types.h>
+# endif
+# include <unistd.h>
+#endif
+
+#include "../shell.h"
+#include "common.h"
+#include "bashgetopt.h"
+
+extern char *this_command_name;
+
+/* Run the command mentioned in list directly, without going through the
+ normal alias/function/builtin/filename lookup process. */
+int
+builtin_builtin (list)
+ WORD_LIST *list;
+{
+ sh_builtin_func_t *function;
+ register char *command;
+
+ if (no_options (list))
+ return (EX_USAGE);
+ list = loptend; /* skip over possible `--' */
+
+ if (list == 0)
+ 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)
+ {
+ sh_notbuiltin (command);
+ return (EXECUTION_FAILURE);
+ }
+ else
+ {
+ this_command_name = command;
+ list = list->next;
+ return ((*function) (list));
+ }
+}