1 /*
2  * Copyright 1987, 1988 by MIT Student Information Processing Board
3  *
4  * Permission to use, copy, modify, and distribute this software and
5  * its documentation for any purpose is hereby granted, provided that
6  * the names of M.I.T. and the M.I.T. S.I.P.B. not be used in
7  * advertising or publicity pertaining to distribution of the software
8  * without specific, written prior permission.  M.I.T. and the
9  * M.I.T. S.I.P.B. make no representations about the suitability of
10  * this software for any purpose.  It is provided "as is" without
11  * express or implied warranty.
12  *
13  * This quote is just too good to not pass on:
14  *
15  * 	"BTW, I would have rejected the name Story Server because its
16  * 	initials are SS, the name of the secret police in Nazi
17  * 	Germany, probably the most despised pair of letters in western
18  * 	culture."  --- http://scriptingnewsarchive.userland.com/1999/12/13
19  *
20  * Let no one say political correctness isn't dead....
21  */
22 
23 #ifndef _ss_h
24 #define _ss_h __FILE__
25 
26 #include <ss/ss_err.h>
27 
28 #define __SS_CONST const
29 #define __SS_PROTO (int, const char * const *, int, void *)
30 
31 #ifdef __GNUC__
32 #define __SS_ATTR(x) __attribute__(x)
33 #else
34 #define __SS_ATTR(x)
35 #endif
36 
37 
38 typedef __SS_CONST struct _ss_request_entry {
39     __SS_CONST char * __SS_CONST *command_names; /* whatever */
40     void (* __SS_CONST function) __SS_PROTO; /* foo */
41     __SS_CONST char * __SS_CONST info_string;	/* NULL */
42     int flags;			/* 0 */
43 } ss_request_entry;
44 
45 typedef __SS_CONST struct _ss_request_table {
46     int version;
47     ss_request_entry *requests;
48 } ss_request_table;
49 
50 #define SS_RQT_TBL_V2	2
51 
52 typedef struct _ss_rp_options {	/* DEFAULT VALUES */
53     int version;		/* SS_RP_V1 */
54     void (*unknown) __SS_PROTO;	/* call for unknown command */
55     int allow_suspend;
56     int catch_int;
57 } ss_rp_options;
58 
59 #define SS_RP_V1 1
60 
61 #define SS_OPT_DONT_LIST	0x0001
62 #define SS_OPT_DONT_SUMMARIZE	0x0002
63 
64 void ss_help __SS_PROTO;
65 #if 0
66 char *ss_current_request();	/* This is actually a macro */
67 #endif
68 
69 char *ss_name(int sci_idx);
70 void ss_error (int, long, char const *, ...)
71 	__SS_ATTR((format(printf, 3, 4)));
72 void ss_perror (int, long, char const *);
73 
74 int ss_create_invocation(const char *, const char *, void *,
75 			 ss_request_table *, int *);
76 void ss_delete_invocation(int);
77 int ss_listen(int);
78 int ss_execute_line(int, char *);
79 void ss_add_request_table(int, ss_request_table *, int, int *);
80 void ss_delete_request_table(int, ss_request_table *, int *);
81 void ss_abort_subsystem(int sci_idx, int code);
82 void ss_quit(int argc, const char * const *argv, int sci_idx, void *infop);
83 void ss_self_identify(int argc, const char * const *argv, int sci_idx, void *infop);
84 void ss_subsystem_name(int argc, const char * const *argv,
85 		       int sci_idx, void *infop);
86 void ss_subsystem_version(int argc, const char * const *argv,
87 			  int sci_idx, void *infop);
88 void ss_unimplemented(int argc, const char * const *argv,
89 		      int sci_idx, void *infop);
90 void ss_set_prompt(int sci_idx, char *new_prompt);
91 char *ss_get_prompt(int sci_idx);
92 void ss_get_readline(int sci_idx);
93 char *ss_safe_getenv(const char *arg);
94 
95 extern ss_request_table ss_std_requests;
96 #endif /* _ss_h */
97