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init.c revision 1.6
      1  1.6      cgd /*	$NetBSD: init.c,v 1.6 1995/03/21 09:03:05 cgd Exp $	*/
      2  1.6      cgd 
      3  1.1      cgd /*-
      4  1.5  mycroft  * Copyright (c) 1980, 1991, 1993
      5  1.5  mycroft  *	The Regents of the University of California.  All rights reserved.
      6  1.1      cgd  *
      7  1.1      cgd  * Redistribution and use in source and binary forms, with or without
      8  1.1      cgd  * modification, are permitted provided that the following conditions
      9  1.1      cgd  * are met:
     10  1.1      cgd  * 1. Redistributions of source code must retain the above copyright
     11  1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     12  1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     14  1.1      cgd  *    documentation and/or other materials provided with the distribution.
     15  1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     16  1.1      cgd  *    must display the following acknowledgement:
     17  1.1      cgd  *	This product includes software developed by the University of
     18  1.1      cgd  *	California, Berkeley and its contributors.
     19  1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     20  1.1      cgd  *    may be used to endorse or promote products derived from this software
     21  1.1      cgd  *    without specific prior written permission.
     22  1.1      cgd  *
     23  1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1      cgd  * SUCH DAMAGE.
     34  1.1      cgd  */
     35  1.1      cgd 
     36  1.1      cgd #ifndef lint
     37  1.6      cgd #if 0
     38  1.6      cgd static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 5/31/93";
     39  1.6      cgd #else
     40  1.6      cgd static char rcsid[] = "$NetBSD: init.c,v 1.6 1995/03/21 09:03:05 cgd Exp $";
     41  1.6      cgd #endif
     42  1.1      cgd #endif /* not lint */
     43  1.1      cgd 
     44  1.1      cgd #if __STDC__
     45  1.1      cgd # include <stdarg.h>
     46  1.1      cgd #else
     47  1.1      cgd # include <varargs.h>
     48  1.1      cgd #endif
     49  1.1      cgd 
     50  1.1      cgd #include "csh.h"
     51  1.1      cgd #include "extern.h"
     52  1.1      cgd 
     53  1.1      cgd #define	INF	1000
     54  1.1      cgd 
     55  1.1      cgd struct biltins bfunc[] =
     56  1.1      cgd {
     57  1.5  mycroft     { "@", 		dolet, 		0, INF	},
     58  1.5  mycroft     { "alias", 		doalias, 	0, INF	},
     59  1.5  mycroft     { "alloc", 		showall, 	0, 1	},
     60  1.5  mycroft     { "bg", 		dobg, 		0, INF	},
     61  1.5  mycroft     { "break", 		dobreak, 	0, 0	},
     62  1.5  mycroft     { "breaksw", 	doswbrk, 	0, 0	},
     63  1.5  mycroft     { "case", 		dozip, 		0, 1	},
     64  1.5  mycroft     { "cd", 		dochngd, 	0, INF	},
     65  1.5  mycroft     { "chdir", 		dochngd, 	0, INF	},
     66  1.5  mycroft     { "continue", 	docontin, 	0, 0	},
     67  1.5  mycroft     { "default", 	dozip, 		0, 0	},
     68  1.5  mycroft     { "dirs", 		dodirs,		0, INF	},
     69  1.5  mycroft     { "echo", 		doecho,		0, INF	},
     70  1.5  mycroft     { "else", 		doelse,		0, INF	},
     71  1.5  mycroft     { "end", 		doend, 		0, 0	},
     72  1.5  mycroft     { "endif", 		dozip, 		0, 0	},
     73  1.5  mycroft     { "endsw", 		dozip, 		0, 0	},
     74  1.5  mycroft     { "eval", 		doeval, 	0, INF	},
     75  1.5  mycroft     { "exec", 		execash, 	1, INF	},
     76  1.5  mycroft     { "exit", 		doexit, 	0, INF	},
     77  1.5  mycroft     { "fg", 		dofg, 		0, INF	},
     78  1.5  mycroft     { "foreach", 	doforeach, 	3, INF	},
     79  1.5  mycroft     { "glob", 		doglob, 	0, INF	},
     80  1.5  mycroft     { "goto", 		dogoto, 	1, 1	},
     81  1.5  mycroft     { "hashstat", 	hashstat, 	0, 0	},
     82  1.5  mycroft     { "history", 	dohist, 	0, 2	},
     83  1.5  mycroft     { "if", 		doif, 		1, INF	},
     84  1.5  mycroft     { "jobs", 		dojobs, 	0, 1	},
     85  1.5  mycroft     { "kill", 		dokill, 	1, INF	},
     86  1.5  mycroft     { "limit", 		dolimit, 	0, 3	},
     87  1.5  mycroft     { "linedit", 	doecho, 	0, INF	},
     88  1.5  mycroft     { "login", 		dologin, 	0, 1	},
     89  1.5  mycroft     { "logout", 	dologout, 	0, 0	},
     90  1.5  mycroft     { "nice", 		donice, 	0, INF	},
     91  1.5  mycroft     { "nohup", 		donohup, 	0, INF	},
     92  1.5  mycroft     { "notify", 	donotify, 	0, INF	},
     93  1.5  mycroft     { "onintr", 	doonintr, 	0, 2	},
     94  1.5  mycroft     { "popd", 		dopopd, 	0, INF	},
     95  1.5  mycroft     { "printf",		doprintf,	1, INF	},
     96  1.5  mycroft     { "pushd", 		dopushd, 	0, INF	},
     97  1.5  mycroft     { "rehash", 	dohash, 	0, 0	},
     98  1.5  mycroft     { "repeat", 	dorepeat, 	2, INF	},
     99  1.5  mycroft     { "set", 		doset, 		0, INF	},
    100  1.5  mycroft     { "setenv", 	dosetenv, 	0, 2	},
    101  1.5  mycroft     { "shift", 		shift, 		0, 1	},
    102  1.5  mycroft     { "source", 	dosource, 	1, 2	},
    103  1.5  mycroft     { "stop", 		dostop, 	1, INF	},
    104  1.5  mycroft     { "suspend", 	dosuspend, 	0, 0	},
    105  1.5  mycroft     { "switch", 	doswitch, 	1, INF	},
    106  1.5  mycroft     { "time", 		dotime, 	0, INF	},
    107  1.5  mycroft     { "umask", 		doumask, 	0, 1	},
    108  1.5  mycroft     { "unalias", 	unalias, 	1, INF	},
    109  1.5  mycroft     { "unhash", 	dounhash, 	0, 0	},
    110  1.5  mycroft     { "unlimit", 	dounlimit, 	0, INF	},
    111  1.5  mycroft     { "unset", 		unset, 		1, INF	},
    112  1.5  mycroft     { "unsetenv", 	dounsetenv, 	1, INF	},
    113  1.5  mycroft     { "wait",		dowait, 	0, 0	},
    114  1.5  mycroft     { "which",		dowhich, 	1, INF	},
    115  1.5  mycroft     { "while", 		dowhile, 	1, INF	}
    116  1.1      cgd };
    117  1.1      cgd int     nbfunc = sizeof bfunc / sizeof *bfunc;
    118  1.1      cgd 
    119  1.1      cgd struct srch srchn[] =
    120  1.1      cgd {
    121  1.5  mycroft     { "@", 		T_LET		},
    122  1.5  mycroft     { "break", 		T_BREAK		},
    123  1.5  mycroft     { "breaksw", 	T_BRKSW		},
    124  1.5  mycroft     { "case", 		T_CASE		},
    125  1.5  mycroft     { "default", 	T_DEFAULT	},
    126  1.5  mycroft     { "else", 		T_ELSE		},
    127  1.5  mycroft     { "end", 		T_END		},
    128  1.5  mycroft     { "endif", 		T_ENDIF		},
    129  1.5  mycroft     { "endsw", 		T_ENDSW		},
    130  1.5  mycroft     { "exit", 		T_EXIT		},
    131  1.5  mycroft     { "foreach", 	T_FOREACH	},
    132  1.5  mycroft     { "goto", 		T_GOTO		},
    133  1.5  mycroft     { "if", 		T_IF		},
    134  1.5  mycroft     { "label", 		T_LABEL		},
    135  1.5  mycroft     { "set", 		T_SET		},
    136  1.5  mycroft     { "switch", 	T_SWITCH	},
    137  1.5  mycroft     { "while", 		T_WHILE		}
    138  1.1      cgd };
    139  1.1      cgd int     nsrchn = sizeof srchn / sizeof *srchn;
    140  1.1      cgd 
    141