2 * Copyright 1987, 1988 by MIT Student Information Processing Board
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.
13 #include "ss_internal.h"
18 typedef void sigret_t;
20 static char const twentyfive_spaces[26] =
22 static char const NL[2] = "\n";
24 void ss_list_requests(int argc __SS_ATTR((unused)),
25 const char * const *argv __SS_ATTR((unused)),
26 int sci_idx, void *infop __SS_ATTR((unused)))
28 ss_request_entry *entry;
29 char const * const *name;
31 ss_request_table **table;
36 sigset_t omask, igmask;
37 sigret_t (*func)(int);
43 sigaddset(&igmask, SIGINT);
44 sigprocmask(SIG_BLOCK, &igmask, &omask);
45 func = signal(SIGINT, SIG_IGN);
46 fd = ss_pager_create();
47 output = fdopen(fd, "w");
48 sigprocmask(SIG_SETMASK, &omask, (sigset_t *) 0);
50 fprintf (output, "Available %s requests:\n\n",
51 ss_info (sci_idx) -> subsystem_name);
53 for (table = ss_info(sci_idx)->rqt_tables; *table; table++) {
54 entry = (*table)->requests;
55 for (; entry->command_names; entry++) {
58 if (entry->flags & SS_OPT_DONT_LIST)
60 for (name = entry->command_names; *name; name++) {
61 int len = strlen(*name);
62 strncat(buffer, *name, len);
70 fputs(buffer, output);
74 strncat(buffer, twentyfive_spaces, 25-spacing);
75 strcat(buffer, entry->info_string);
77 fputs(buffer, output);
84 (void) signal(SIGINT, func);