const char *
strsignal (int signo)
{
const char *msg;
static char buf[32];
#ifndef HAVE_SYS_SIGLIST
if (signal_names == NULL)
{
init_signal_tables ();
}
#endif
if ((signo < 0) || (signo >= sys_nsig))
{
/* Out of range, just return NULL */
msg = NULL;
}
else if ((sys_siglist == NULL) || (sys_siglist[signo] == NULL))
{
/* In range, but no sys_siglist or no entry at this index. */
sprintf (buf, "Signal %d", signo);
msg = (const char *) buf;
}
else
{
/* In range, and a valid message. Just return the message. */
msg = (const char *) sys_siglist[signo];
}
return (msg);
}
int
strtosigno (const char *name)
{
int signo = 0;
if (name != NULL)
{
if (signal_names == NULL)
{
init_signal_tables ();
}
for (signo = 0; signo < num_signal_names; signo++)
{
if ((signal_names[signo] != NULL) &&
(strcmp (name, signal_names[signo]) == 0))
{
break;
}
}
if (signo == num_signal_names)
{
signo = 0;
}
}
return (signo);
}
const char *
strsigno (int signo)
{
const char *name;
static char buf[32];
if (signal_names == NULL)
{
init_signal_tables ();
}
if ((signo < 0) || (signo >= num_signal_names))
{
/* Out of range, just return NULL */
name = NULL;
}
else if ((signal_names == NULL) || (signal_names[signo] == NULL))
{
/* In range, but no signal_names or no entry at this index. */
sprintf (buf, "Signal %d", signo);
name = (const char *) buf;
}
else
{
/* In range, and a valid name. Just return the name. */
name = signal_names[signo];
}
return (name);
}
int
signo_max ()
{
int maxsize;
if (signal_names == NULL)
{
init_signal_tables ();
}
maxsize = MAX (sys_nsig, num_signal_names);
return (maxsize - 1);
}
void
psignal (int signo, char *message)
{
if (signal_names == NULL)
{
init_signal_tables ();
}
if ((signo <= 0) || (signo >= sys_nsig))
{
fprintf (stderr, "%s: unknown signal\n", message);
}
else
{
fprintf (stderr, "%s: %s\n", message, sys_siglist[signo]);
}
}
