/*
* Return the (numeric) option id.
* Numeric options look like
* li#80
* i.e. the option string is separated from the numeric value by
* a # character. If the option is not found we return -1.
* Note that we handle octal numbers beginning with 0.
*
* Slip in implicit knowledge here that li/co are window geometry,
* and that FD 0 is the place whose geometry concerns us.
*/
int
tgetnum(char *id)
{
int i, base, rows, cols;
char *bp = tbuf;
if (!strcmp(id, "li")) {
if (ttysize(&rows, &cols) >= 0) {
return(rows);
}
} else if (!strcmp(id, "co")) {
if (ttysize(&rows, &cols) >= 0) {
return(cols);
}
}
for (;;) {
bp = tskip(bp);
if (*bp == 0)
return (-1);
if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
continue;
if (*bp == '@')
return(-1);
if (*bp != '#')
continue;
bp++;
base = 10;
if (*bp == '0')
base = 8;
i = 0;
while (isdigit(*bp))
i *= base, i += *bp++ - '0';
return (i);
}
}
void stop_ne(void)
{
unset_interactive_mode();
kill(0, SIGTSTP);
set_interactive_mode();
clear_entire_screen();
ttysize();
reset_window();
}
void handle_winch(const int sig)
{
signal(sig, SIG_IGN);
window_changed_size = ttysize();
signal(sig, handle_winch);
}