47a052e00f
The && and || tokens do also terminate a command, not only the newline. While i was at it, disabled trace code by default, it served no good purpose since it required the use of a debugger anyway to be turned on. Instead, placed a hint in the Makefile on how to turn it on. This makes the shell ~ 10 % faster and ~ 4 KB smaller. :) Pointed out by: jan@physik.TU-Berlin.DE (Jan Riedinger)
86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)shell.h 8.1 (Berkeley) 5/31/93
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* $Id: shell.h,v 1.2 1994/09/24 02:58:15 davidg Exp $
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*/
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/*
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* The follow should be set to reflect the type of system you have:
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* JOBS -> 1 if you have Berkeley job control, 0 otherwise.
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* SYMLINKS -> 1 if your system includes symbolic links, 0 otherwise.
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* SHORTNAMES -> 1 if your linker cannot handle long names.
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* define BSD if you are running 4.2 BSD or later.
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* define SYSV if you are running under System V.
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* define DEBUG=1 to compile in debugging (set global "debug" to turn on)
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* define DEBUG=2 to compile in and turn on debugging.
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*
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* When debugging is on, debugging info will be written to $HOME/trace and
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* a quit signal will generate a core dump.
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*/
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#define JOBS 1
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#define SYMLINKS 1
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#ifndef BSD
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#define BSD 1
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#endif
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/* #define DEBUG 1 */
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#ifdef __STDC__
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typedef void *pointer;
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#ifndef NULL
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#define NULL (void *)0
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#endif
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#else /* not __STDC__ */
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typedef char *pointer;
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#ifndef NULL
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#define NULL 0
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#endif
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#endif /* not __STDC__ */
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#define STATIC /* empty */
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#define MKINIT /* empty */
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#include <sys/cdefs.h>
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extern char nullstr[1]; /* null string */
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#ifdef DEBUG
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#define TRACE(param) trace param
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#else
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#define TRACE(param)
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#endif
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