111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
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/*-
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* Copyright (c) 1988, 1989, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1988, 1989 by Adam de Boor
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* Copyright (c) 1989 by Berkeley Softworks
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* 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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* Adam de Boor.
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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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* $FreeBSD$
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*/
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#ifndef shell_h_6002e3b8
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#define shell_h_6002e3b8
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#include <sys/queue.h>
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#include "str.h"
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#include "util.h"
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/**
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* Shell Specifications:
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*
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* Some special stuff goes on if a shell doesn't have error control. In such
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* a case, errCheck becomes a printf template for echoing the command,
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* should echoing be on and ignErr becomes another printf template for
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* executing the command while ignoring the return status. If either of these
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* strings is empty when hasErrCtl is FALSE, the command will be executed
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* anyway as is and if it causes an error, so be it.
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*/
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struct Shell {
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TAILQ_ENTRY(Shell) link; /* link all shell descriptions */
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/*
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* the name of the shell. For Bourne and C shells, this is used
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* only to find the shell description when used as the single
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* source of a .SHELL target.
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*/
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char *name;
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char *path; /* full path to the shell */
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/* True if both echoOff and echoOn defined */
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Boolean hasEchoCtl;
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char *echoOff; /* command to turn off echo */
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char *echoOn; /* command to turn it back on */
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/*
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* What the shell prints, and its length, when given the
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* echo-off command. This line will not be printed when
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* received from the shell. This is usually the command which
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* was executed to turn off echoing
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*/
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char *noPrint;
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/* set if can control error checking for individual commands */
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Boolean hasErrCtl;
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/* string to turn error checking on */
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char *errCheck;
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/* string to turn off error checking */
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char *ignErr;
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char *echo; /* command line flag: echo commands */
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char *exit; /* command line flag: exit on error */
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ArgArray builtins; /* ordered list of shell builtins */
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char *meta; /* shell meta characters */
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Boolean unsetenv; /* unsetenv("ENV") before exec */
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};
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TAILQ_HEAD(Shells, Shell);
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extern struct Shell *commandShell;
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void Shell_Init(void);
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Boolean Shell_Parse(const char []);
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#endif /* shell_h_6002e3b8 */
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