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      1 /* $NetBSD: init.c,v 1.12 2021/09/11 20:55:03 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1980, 1991, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: init.c,v 1.12 2021/09/11 20:55:03 christos Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <stdarg.h>
     42 
     43 #include "csh.h"
     44 #include "extern.h"
     45 
     46 #define	INF	1000
     47 
     48 struct biltins bfunc[] =
     49 {
     50     { "@", 		dolet, 		0, INF	},
     51     { "alias", 		doalias, 	0, INF	},
     52     { "bg", 		dobg, 		0, INF	},
     53     { "break", 		dobreak, 	0, 0	},
     54     { "breaksw", 	doswbrk, 	0, 0	},
     55     { "case", 		dozip, 		0, 1	},
     56     { "cd", 		dochngd, 	0, INF	},
     57     { "chdir", 		dochngd, 	0, INF	},
     58     { "continue", 	docontin, 	0, 0	},
     59     { "default", 	dozip, 		0, 0	},
     60     { "dirs", 		dodirs,		0, INF	},
     61     { "echo", 		doecho,		0, INF	},
     62     { "else", 		doelse,		0, INF	},
     63     { "end", 		doend, 		0, 0	},
     64     { "endif", 		dozip, 		0, 0	},
     65     { "endsw", 		dozip, 		0, 0	},
     66     { "eval", 		doeval, 	0, INF	},
     67     { "exec", 		execash, 	1, INF	},
     68     { "exit", 		doexit, 	0, INF	},
     69     { "fg", 		dofg, 		0, INF	},
     70     { "foreach", 	doforeach, 	3, INF	},
     71     { "glob", 		doglob, 	0, INF	},
     72     { "goto", 		dogoto, 	1, 1	},
     73     { "hashstat", 	hashstat, 	0, 0	},
     74     { "history", 	dohist, 	0, 2	},
     75     { "if", 		doif, 		1, INF	},
     76     { "jobs", 		dojobs, 	0, 2	},
     77     { "kill", 		dokill, 	1, INF	},
     78     { "limit", 		dolimit, 	0, 3	},
     79     { "linedit", 	doecho, 	0, INF	},
     80     { "login", 		dologin, 	0, 1	},
     81     { "logout", 	dologout, 	0, 0	},
     82     { "nice", 		donice, 	0, INF	},
     83     { "nohup", 		donohup, 	0, INF	},
     84     { "notify", 	donotify, 	0, INF	},
     85     { "onintr", 	doonintr, 	0, 2	},
     86     { "popd", 		dopopd, 	0, INF	},
     87     { "printf",		doprintf,	1, INF	},
     88     { "pushd", 		dopushd, 	0, INF	},
     89     { "rehash", 	dohash, 	0, 0	},
     90     { "repeat", 	dorepeat, 	2, INF	},
     91     { "set", 		doset, 		0, INF	},
     92     { "setenv", 	dosetenv, 	0, 2	},
     93     { "shift", 		shift, 		0, 1	},
     94     { "source", 	dosource, 	1, 2	},
     95     { "stop", 		dostop, 	1, INF	},
     96     { "suspend", 	dosuspend, 	0, 0	},
     97     { "switch", 	doswitch, 	1, INF	},
     98     { "time", 		dotime, 	0, INF	},
     99     { "umask", 		doumask, 	0, 1	},
    100     { "unalias", 	unalias, 	1, INF	},
    101     { "unhash", 	dounhash, 	0, 0	},
    102     { "unlimit", 	dounlimit, 	0, INF	},
    103     { "unset", 		unset, 		1, INF	},
    104     { "unsetenv", 	dounsetenv, 	1, INF	},
    105     { "wait",		dowait, 	0, 0	},
    106     { "which",		dowhich, 	1, INF	},
    107     { "while", 		dowhile, 	1, INF	}
    108 };
    109 int nbfunc = sizeof(bfunc) / sizeof(*bfunc);
    110 
    111 struct srch srchn[] =
    112 {
    113     { "@", 		T_LET		},
    114     { "break", 		T_BREAK		},
    115     { "breaksw", 	T_BRKSW		},
    116     { "case", 		T_CASE		},
    117     { "default", 	T_DEFAULT	},
    118     { "else", 		T_ELSE		},
    119     { "end", 		T_END		},
    120     { "endif", 		T_ENDIF		},
    121     { "endsw", 		T_ENDSW		},
    122     { "exit", 		T_EXIT		},
    123     { "foreach", 	T_FOREACH	},
    124     { "goto", 		T_GOTO		},
    125     { "if", 		T_IF		},
    126     { "label", 		T_LABEL		},
    127     { "set", 		T_SET		},
    128     { "switch", 	T_SWITCH	},
    129     { "while", 		T_WHILE		}
    130 };
    131 int nsrchn = sizeof(srchn) / sizeof(*srchn);
    132