85aee7a6f7
These markers had been used inconsistently. Furthermore the source code had not been formatted automatically before 2020 at all, otherwise there wouldn't have been any trailing whitespace left.
85 lines
3.6 KiB
C
85 lines
3.6 KiB
C
/* $NetBSD: metachar.c,v 1.9 2021/01/19 20:51:46 rillig Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2015 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#if defined(MAKE_NATIVE) || defined(HAVE_NBTOOL_CONFIG_H)
|
|
#include <sys/cdefs.h>
|
|
#endif
|
|
|
|
#include "metachar.h"
|
|
|
|
MAKE_RCSID("$NetBSD: metachar.c,v 1.9 2021/01/19 20:51:46 rillig Exp $");
|
|
|
|
/*
|
|
* The following array is used to make a fast determination of which
|
|
* characters are interpreted specially by the shell. If a command
|
|
* contains any of these characters, it is executed by the shell, not
|
|
* directly by us.
|
|
*/
|
|
|
|
unsigned char _metachar[128] = {
|
|
/* nul soh stx etx eot enq ack bel */
|
|
1, 0, 0, 0, 0, 0, 0, 0,
|
|
/* bs ht nl vt np cr so si */
|
|
0, 0, 1, 0, 0, 0, 0, 0,
|
|
/* dle dc1 dc2 dc3 dc4 nak syn etb */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* can em sub esc fs gs rs us */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* sp ! " # $ % & ' */
|
|
0, 1, 1, 1, 1, 0, 1, 1,
|
|
/* ( ) * + , - . / */
|
|
1, 1, 1, 0, 0, 0, 0, 0,
|
|
/* 0 1 2 3 4 5 6 7 */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 8 9 : ; < = > ? */
|
|
0, 0, 0, 1, 1, 0, 1, 1,
|
|
/* @ A B C D E F G */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* H I J K L M N O */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* P Q R S T U V W */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* X Y Z [ \ ] ^ _ */
|
|
0, 0, 0, 1, 1, 1, 1, 0,
|
|
/* ` a b c d e f g */
|
|
1, 0, 0, 0, 0, 0, 0, 0,
|
|
/* h i j k l m n o */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* p q r s t u v w */
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* x y z { | } ~ del */
|
|
0, 0, 0, 1, 1, 1, 1, 0,
|
|
};
|