init.c revision 1.5 1 /*-
2 * Copyright (c) 1980, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 /*static char sccsid[] = "from: @(#)init.c 8.1 (Berkeley) 5/31/93";*/
36 static char *rcsid = "$Id: init.c,v 1.5 1994/09/21 00:10:59 mycroft Exp $";
37 #endif /* not lint */
38
39 #if __STDC__
40 # include <stdarg.h>
41 #else
42 # include <varargs.h>
43 #endif
44
45 #include "csh.h"
46 #include "extern.h"
47
48 #define INF 1000
49
50 struct biltins bfunc[] =
51 {
52 { "@", dolet, 0, INF },
53 { "alias", doalias, 0, INF },
54 { "alloc", showall, 0, 1 },
55 { "bg", dobg, 0, INF },
56 { "break", dobreak, 0, 0 },
57 { "breaksw", doswbrk, 0, 0 },
58 { "case", dozip, 0, 1 },
59 { "cd", dochngd, 0, INF },
60 { "chdir", dochngd, 0, INF },
61 { "continue", docontin, 0, 0 },
62 { "default", dozip, 0, 0 },
63 { "dirs", dodirs, 0, INF },
64 { "echo", doecho, 0, INF },
65 { "else", doelse, 0, INF },
66 { "end", doend, 0, 0 },
67 { "endif", dozip, 0, 0 },
68 { "endsw", dozip, 0, 0 },
69 { "eval", doeval, 0, INF },
70 { "exec", execash, 1, INF },
71 { "exit", doexit, 0, INF },
72 { "fg", dofg, 0, INF },
73 { "foreach", doforeach, 3, INF },
74 { "glob", doglob, 0, INF },
75 { "goto", dogoto, 1, 1 },
76 { "hashstat", hashstat, 0, 0 },
77 { "history", dohist, 0, 2 },
78 { "if", doif, 1, INF },
79 { "jobs", dojobs, 0, 1 },
80 { "kill", dokill, 1, INF },
81 { "limit", dolimit, 0, 3 },
82 { "linedit", doecho, 0, INF },
83 { "login", dologin, 0, 1 },
84 { "logout", dologout, 0, 0 },
85 { "nice", donice, 0, INF },
86 { "nohup", donohup, 0, INF },
87 { "notify", donotify, 0, INF },
88 { "onintr", doonintr, 0, 2 },
89 { "popd", dopopd, 0, INF },
90 { "printf", doprintf, 1, INF },
91 { "pushd", dopushd, 0, INF },
92 { "rehash", dohash, 0, 0 },
93 { "repeat", dorepeat, 2, INF },
94 { "set", doset, 0, INF },
95 { "setenv", dosetenv, 0, 2 },
96 { "shift", shift, 0, 1 },
97 { "source", dosource, 1, 2 },
98 { "stop", dostop, 1, INF },
99 { "suspend", dosuspend, 0, 0 },
100 { "switch", doswitch, 1, INF },
101 { "time", dotime, 0, INF },
102 { "umask", doumask, 0, 1 },
103 { "unalias", unalias, 1, INF },
104 { "unhash", dounhash, 0, 0 },
105 { "unlimit", dounlimit, 0, INF },
106 { "unset", unset, 1, INF },
107 { "unsetenv", dounsetenv, 1, INF },
108 { "wait", dowait, 0, 0 },
109 { "which", dowhich, 1, INF },
110 { "while", dowhile, 1, INF }
111 };
112 int nbfunc = sizeof bfunc / sizeof *bfunc;
113
114 struct srch srchn[] =
115 {
116 { "@", T_LET },
117 { "break", T_BREAK },
118 { "breaksw", T_BRKSW },
119 { "case", T_CASE },
120 { "default", T_DEFAULT },
121 { "else", T_ELSE },
122 { "end", T_END },
123 { "endif", T_ENDIF },
124 { "endsw", T_ENDSW },
125 { "exit", T_EXIT },
126 { "foreach", T_FOREACH },
127 { "goto", T_GOTO },
128 { "if", T_IF },
129 { "label", T_LABEL },
130 { "set", T_SET },
131 { "switch", T_SWITCH },
132 { "while", T_WHILE }
133 };
134 int nsrchn = sizeof srchn / sizeof *srchn;
135
136