1 /***********************************************************************
2  *                                                                      *
3  *               This software is part of the ast package               *
4  *          Copyright (c) 1982-2013 AT&T Intellectual Property          *
5  *                      and is licensed under the                       *
6  *                 Eclipse Public License, Version 1.0                  *
7  *                    by AT&T Intellectual Property                     *
8  *                                                                      *
9  *                A copy of the License is available at                 *
10  *          http://www.eclipse.org/org/documents/epl-v10.html           *
11  *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12  *                                                                      *
13  *              Information and Software Systems Research               *
14  *                            AT&T Research                             *
15  *                           Florham Park NJ                            *
16  *                                                                      *
17  *                    David Korn <dgkorn@gmail.com>                     *
18  *                                                                      *
19  ***********************************************************************/
20 //
21 // David Korn
22 // AT&T Labs
23 //
24 // Interface definitions read-only data tables for shell.
25 //
26 #ifndef _SHTABLE_H
27 #define _SHTABLE_H 1
28 
29 #include "shcmd.h"
30 
31 typedef struct shtable1 {
32     const char *sh_name;
33     const unsigned sh_number;
34 } Shtable_t;
35 
36 struct shtable2 {
37     const char *sh_name;
38     const unsigned sh_number;
39     const char *sh_value;
40 };
41 
42 // This must be the same shape as struct shtable2 due to type aliasing in one call of inittree().
43 struct shtable3 {
44     const char *sh_name;
45     const unsigned sh_number;
46     int (*sh_value)(int, char *[], Shbltin_t *);
47 };
48 
49 struct shtable4 {
50     const int sig;
51     const int code;
52     const char *str;
53 };
54 
55 #define sh_lookup(name, value) (sh_locate(name, (Shtable_t *)(value), sizeof(*(value)))->sh_number)
56 extern const Shtable_t shtab_testops[];
57 extern const Shtable_t shtab_options[];
58 extern const Shtable_t shtab_attributes[];
59 extern const struct shtable2 shtab_variables[];
60 extern const struct shtable2 shtab_aliases[];
61 extern const struct shtable2 shtab_signals[];
62 extern const struct shtable3 shtab_builtins[];
63 extern const struct shtable4 shtab_siginfo_codes[];
64 extern const Shtable_t shtab_reserved[];
65 extern const Shtable_t *sh_locate(const char *, const Shtable_t *, int);
66 extern int sh_lookopt(const char *, int *);
67 
68 #endif  // _SHTABLE_H
69