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/*
* Copyright 1987, 1988 by MIT Student Information Processing Board
*
* For copyright information, see copyright.h.
*/
#include "copyright.h"
#include "ss_internal.h"
#include <signal.h>
#include <setjmp.h>
#include <sys/types.h>
#include <sys/wait.h>
#ifdef lint /* "lint returns a value which is sometimes ignored" */
#define DONT_USE(x) x=x;
#else /* !lint */
#define DONT_USE(x) ;
#endif /* lint */
static char const twentyfive_spaces[26] =
" ";
static char const NL[2] = "\n";
void
ss_list_requests(argc, argv, sci_idx, info_ptr)
int argc;
char **argv;
int sci_idx;
pointer info_ptr;
{
register ss_request_entry *entry;
register char const * const *name;
register int spacing;
register ss_request_table **table;
char buffer[BUFSIZ];
FILE *output;
int fd;
int mask;
#ifdef POSIX
void (*func)();
#else
int (*func)();
#endif
#ifdef POSIX
int waitb;
#else
union wait waitb;
#endif
DONT_USE(argc);
DONT_USE(argv);
mask = sigblock(sigmask(SIGINT));
func = signal(SIGINT, SIG_IGN);
fd = ss_pager_create();
output = fdopen(fd, "w");
sigsetmask(mask);
fprintf (output, "Available %s requests:\n\n",
ss_info (sci_idx) -> subsystem_name);
for (table = ss_info(sci_idx)->rqt_tables; *table; table++) {
entry = (*table)->requests;
for (; entry->command_names; entry++) {
spacing = -2;
buffer[0] = '\0';
if (entry->flags & SS_OPT_DONT_LIST)
continue;
for (name = entry->command_names; *name; name++) {
register int len = strlen(*name);
strncat(buffer, *name, len);
spacing += len + 2;
if (name[1]) {
strcat(buffer, ", ");
}
}
if (spacing > 23) {
strcat(buffer, NL);
fputs(buffer, output);
spacing = 0;
buffer[0] = '\0';
}
strncat(buffer, twentyfive_spaces, 25-spacing);
strcat(buffer, entry->info_string);
strcat(buffer, NL);
fputs(buffer, output);
}
}
fclose(output);
#ifndef NO_FORK
wait(&waitb);
#endif
(void) signal(SIGINT, func);
}
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