1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)shell.h 8.2 (Berkeley) 5/4/95 35 * $FreeBSD: head/bin/sh/shell.h 343981 2019-02-10 22:23:05Z jilles $ 36 */ 37 38 #ifndef SHELL_H_ 39 #define SHELL_H_ 40 41 #include <inttypes.h> 42 43 /* 44 * The follow should be set to reflect the type of system you have: 45 * JOBS -> 1 if you have Berkeley job control, 0 otherwise. 46 * define DEBUG=1 to compile in debugging (set global "debug" to turn on) 47 * define DEBUG=2 to compile in and turn on debugging. 48 * 49 * When debugging is on, debugging info will be written to ./trace and 50 * a quit signal will generate a core dump. 51 */ 52 53 54 #define JOBS 1 55 /* #define DEBUG 1 */ 56 57 /* 58 * Allow compilation with older versions of DragonFly or on 59 * systems without these features. 60 */ 61 #ifdef F_DUPFD_CLOEXEC 62 #define F_DUPFD_CLOEXEC_MAYBE F_DUPFD_CLOEXEC 63 #else 64 #define F_DUPFD_CLOEXEC_MAYBE F_DUPFD 65 #endif 66 67 #ifdef O_CLOEXEC 68 #define O_CLOEXEC_MAYBE O_CLOEXEC 69 #else 70 #define O_CLOEXEC_MAYBE 0 71 #endif 72 73 /* 74 * Type of used arithmetics. SUSv3 requires us to have at least signed long. 75 */ 76 typedef intmax_t arith_t; 77 #define ARITH_FORMAT_STR "%" PRIdMAX 78 #define ARITH_MIN INTMAX_MIN 79 #define ARITH_MAX INTMAX_MAX 80 81 typedef void *pointer; 82 83 #include <sys/cdefs.h> 84 85 extern char nullstr[1]; /* null string */ 86 87 #ifdef DEBUG 88 #define TRACE(param) sh_trace param 89 #else 90 #define TRACE(param) 91 #endif 92 93 #endif /* !SHELL_H_ */ 94