Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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builtins/builtin.def
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builtins/builtin.def
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This file is builtin.def, from which is created builtin.c.
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It implements the builtin "builtin" in Bash.
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Copyright (C) 1987-2017 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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$PRODUCES builtin.c
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$BUILTIN builtin
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$FUNCTION builtin_builtin
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$SHORT_DOC builtin [shell-builtin [arg ...]]
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Execute shell builtins.
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Execute SHELL-BUILTIN with arguments ARGs without performing command
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lookup. This is useful when you wish to reimplement a shell builtin
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as a shell function, but need to execute the builtin within the function.
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Exit Status:
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Returns the exit status of SHELL-BUILTIN, or false if SHELL-BUILTIN is
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not a shell builtin.
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$END
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#include <config.h>
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#if defined (HAVE_UNISTD_H)
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# ifdef _MINIX
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# include <sys/types.h>
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# endif
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# include <unistd.h>
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#endif
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#include "../shell.h"
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#include "../execute_cmd.h"
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#include "common.h"
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#include "bashgetopt.h"
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/* Run the command mentioned in list directly, without going through the
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normal alias/function/builtin/filename lookup process. */
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int
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builtin_builtin (list)
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WORD_LIST *list;
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{
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sh_builtin_func_t *function;
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register char *command;
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if (no_options (list))
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return (EX_USAGE);
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list = loptend; /* skip over possible `--' */
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if (list == 0)
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return (EXECUTION_SUCCESS);
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command = list->word->word;
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#if defined (DISABLED_BUILTINS)
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function = builtin_address (command);
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#else /* !DISABLED_BUILTINS */
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function = find_shell_builtin (command);
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#endif /* !DISABLED_BUILTINS */
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if (function == 0)
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{
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sh_notbuiltin (command);
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return (EXECUTION_FAILURE);
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}
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else
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{
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this_command_name = command;
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this_shell_builtin = function; /* overwrite "builtin" as this builtin */
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list = list->next;
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return ((*function) (list));
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}
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}
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