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init.c revision 1.1.1.2
      1      1.1      cgd /*-
      2  1.1.1.2  mycroft  * Copyright (c) 1980, 1991, 1993
      3  1.1.1.2  mycroft  *	The Regents of the University of California.  All rights reserved.
      4      1.1      cgd  *
      5      1.1      cgd  * Redistribution and use in source and binary forms, with or without
      6      1.1      cgd  * modification, are permitted provided that the following conditions
      7      1.1      cgd  * are met:
      8      1.1      cgd  * 1. Redistributions of source code must retain the above copyright
      9      1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     10      1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     11      1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     12      1.1      cgd  *    documentation and/or other materials provided with the distribution.
     13      1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     14      1.1      cgd  *    must display the following acknowledgement:
     15      1.1      cgd  *	This product includes software developed by the University of
     16      1.1      cgd  *	California, Berkeley and its contributors.
     17      1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     18      1.1      cgd  *    may be used to endorse or promote products derived from this software
     19      1.1      cgd  *    without specific prior written permission.
     20      1.1      cgd  *
     21      1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22      1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23      1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24      1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25      1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26      1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27      1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28      1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29      1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30      1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31      1.1      cgd  * SUCH DAMAGE.
     32      1.1      cgd  */
     33      1.1      cgd 
     34      1.1      cgd #ifndef lint
     35  1.1.1.2  mycroft /*###9 [cc] warning: `sccsid' defined but not used%%%*/
     36  1.1.1.2  mycroft static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 5/31/93";
     37      1.1      cgd #endif /* not lint */
     38      1.1      cgd 
     39      1.1      cgd #if __STDC__
     40      1.1      cgd # include <stdarg.h>
     41      1.1      cgd #else
     42      1.1      cgd # include <varargs.h>
     43      1.1      cgd #endif
     44      1.1      cgd 
     45      1.1      cgd #include "csh.h"
     46      1.1      cgd #include "extern.h"
     47      1.1      cgd 
     48      1.1      cgd #define	INF	1000
     49      1.1      cgd 
     50      1.1      cgd struct biltins bfunc[] =
     51      1.1      cgd {
     52  1.1.1.2  mycroft     { "@", 		dolet, 		0, INF	},
     53  1.1.1.2  mycroft     { "alias", 		doalias, 	0, INF	},
     54  1.1.1.2  mycroft     { "alloc", 		showall, 	0, 1	},
     55  1.1.1.2  mycroft     { "bg", 		dobg, 		0, INF	},
     56  1.1.1.2  mycroft     { "break", 		dobreak, 	0, 0	},
     57  1.1.1.2  mycroft     { "breaksw", 	doswbrk, 	0, 0	},
     58  1.1.1.2  mycroft     { "case", 		dozip, 		0, 1	},
     59  1.1.1.2  mycroft     { "cd", 		dochngd, 	0, INF	},
     60  1.1.1.2  mycroft     { "chdir", 		dochngd, 	0, INF	},
     61  1.1.1.2  mycroft     { "continue", 	docontin, 	0, 0	},
     62  1.1.1.2  mycroft     { "default", 	dozip, 		0, 0	},
     63  1.1.1.2  mycroft     { "dirs", 		dodirs,		0, INF	},
     64  1.1.1.2  mycroft     { "echo", 		doecho,		0, INF	},
     65  1.1.1.2  mycroft     { "else", 		doelse,		0, INF	},
     66  1.1.1.2  mycroft     { "end", 		doend, 		0, 0	},
     67  1.1.1.2  mycroft     { "endif", 		dozip, 		0, 0	},
     68  1.1.1.2  mycroft     { "endsw", 		dozip, 		0, 0	},
     69  1.1.1.2  mycroft     { "eval", 		doeval, 	0, INF	},
     70  1.1.1.2  mycroft     { "exec", 		execash, 	1, INF	},
     71  1.1.1.2  mycroft     { "exit", 		doexit, 	0, INF	},
     72  1.1.1.2  mycroft     { "fg", 		dofg, 		0, INF	},
     73  1.1.1.2  mycroft     { "foreach", 	doforeach, 	3, INF	},
     74  1.1.1.2  mycroft     { "glob", 		doglob, 	0, INF	},
     75  1.1.1.2  mycroft     { "goto", 		dogoto, 	1, 1	},
     76  1.1.1.2  mycroft     { "hashstat", 	hashstat, 	0, 0	},
     77  1.1.1.2  mycroft     { "history", 	dohist, 	0, 2	},
     78  1.1.1.2  mycroft     { "if", 		doif, 		1, INF	},
     79  1.1.1.2  mycroft     { "jobs", 		dojobs, 	0, 1	},
     80  1.1.1.2  mycroft     { "kill", 		dokill, 	1, INF	},
     81  1.1.1.2  mycroft     { "limit", 		dolimit, 	0, 3	},
     82  1.1.1.2  mycroft     { "linedit", 	doecho, 	0, INF	},
     83  1.1.1.2  mycroft     { "login", 		dologin, 	0, 1	},
     84  1.1.1.2  mycroft     { "logout", 	dologout, 	0, 0	},
     85  1.1.1.2  mycroft     { "nice", 		donice, 	0, INF	},
     86  1.1.1.2  mycroft     { "nohup", 		donohup, 	0, INF	},
     87  1.1.1.2  mycroft     { "notify", 	donotify, 	0, INF	},
     88  1.1.1.2  mycroft     { "onintr", 	doonintr, 	0, 2	},
     89  1.1.1.2  mycroft     { "popd", 		dopopd, 	0, INF	},
     90  1.1.1.2  mycroft     { "printf",		doprintf,	1, INF	},
     91  1.1.1.2  mycroft     { "pushd", 		dopushd, 	0, INF	},
     92  1.1.1.2  mycroft     { "rehash", 	dohash, 	0, 0	},
     93  1.1.1.2  mycroft     { "repeat", 	dorepeat, 	2, INF	},
     94  1.1.1.2  mycroft     { "set", 		doset, 		0, INF	},
     95  1.1.1.2  mycroft     { "setenv", 	dosetenv, 	0, 2	},
     96  1.1.1.2  mycroft     { "shift", 		shift, 		0, 1	},
     97  1.1.1.2  mycroft     { "source", 	dosource, 	1, 2	},
     98  1.1.1.2  mycroft     { "stop", 		dostop, 	1, INF	},
     99  1.1.1.2  mycroft     { "suspend", 	dosuspend, 	0, 0	},
    100  1.1.1.2  mycroft     { "switch", 	doswitch, 	1, INF	},
    101  1.1.1.2  mycroft     { "time", 		dotime, 	0, INF	},
    102  1.1.1.2  mycroft     { "umask", 		doumask, 	0, 1	},
    103  1.1.1.2  mycroft     { "unalias", 	unalias, 	1, INF	},
    104  1.1.1.2  mycroft     { "unhash", 	dounhash, 	0, 0	},
    105  1.1.1.2  mycroft     { "unlimit", 	dounlimit, 	0, INF	},
    106  1.1.1.2  mycroft     { "unset", 		unset, 		1, INF	},
    107  1.1.1.2  mycroft     { "unsetenv", 	dounsetenv, 	1, INF	},
    108  1.1.1.2  mycroft     { "wait",		dowait, 	0, 0	},
    109  1.1.1.2  mycroft     { "which",		dowhich, 	1, INF	},
    110  1.1.1.2  mycroft     { "while", 		dowhile, 	1, INF	}
    111      1.1      cgd };
    112      1.1      cgd int     nbfunc = sizeof bfunc / sizeof *bfunc;
    113      1.1      cgd 
    114      1.1      cgd struct srch srchn[] =
    115      1.1      cgd {
    116  1.1.1.2  mycroft     { "@", 		T_LET		},
    117  1.1.1.2  mycroft     { "break", 		T_BREAK		},
    118  1.1.1.2  mycroft     { "breaksw", 	T_BRKSW		},
    119  1.1.1.2  mycroft     { "case", 		T_CASE		},
    120  1.1.1.2  mycroft     { "default", 	T_DEFAULT	},
    121  1.1.1.2  mycroft     { "else", 		T_ELSE		},
    122  1.1.1.2  mycroft     { "end", 		T_END		},
    123  1.1.1.2  mycroft     { "endif", 		T_ENDIF		},
    124  1.1.1.2  mycroft     { "endsw", 		T_ENDSW		},
    125  1.1.1.2  mycroft     { "exit", 		T_EXIT		},
    126  1.1.1.2  mycroft     { "foreach", 	T_FOREACH	},
    127  1.1.1.2  mycroft     { "goto", 		T_GOTO		},
    128  1.1.1.2  mycroft     { "if", 		T_IF		},
    129  1.1.1.2  mycroft     { "label", 		T_LABEL		},
    130  1.1.1.2  mycroft     { "set", 		T_SET		},
    131  1.1.1.2  mycroft     { "switch", 	T_SWITCH	},
    132  1.1.1.2  mycroft     { "while", 		T_WHILE		}
    133      1.1      cgd };
    134      1.1      cgd int     nsrchn = sizeof srchn / sizeof *srchn;
    135      1.1      cgd 
    136