#include "config.h"
#include <stdc.h>
#include "bashtypes.h"
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include <sys/ioctl.h>
#if !defined (STRUCT_WINSIZE_IN_SYS_IOCTL)
# if defined (HAVE_SYS_PTEM_H) && defined (TIOCGWINSZ) && defined (SIGWINCH)
# if defined (HAVE_SYS_STREAM_H)
# include <sys/stream.h>
# endif
# include <sys/ptem.h>
# endif
#endif
#include <stdio.h>
#define input_tty() (shell_tty != -1) ? shell_tty : fileno (stderr)
#if !defined (errno)
extern int errno;
#endif
extern int shell_tty;
#if defined (READLINE)
extern void rl_set_screen_size __P((int, int));
#endif
extern void sh_set_lines_and_columns __P((int, int));
void
get_new_window_size (from_sig, rp, cp)
int from_sig;
int *rp, *cp;
{
#if defined (TIOCGWINSZ)
struct winsize win;
int tty;
tty = input_tty ();
if (tty >= 0 && (ioctl (tty, TIOCGWINSZ, &win) == 0) &&
win.ws_row > 0 && win.ws_col > 0)
{
sh_set_lines_and_columns (win.ws_row, win.ws_col);
#if defined (READLINE)
rl_set_screen_size (win.ws_row, win.ws_col);
if (rp)
*rp = win.ws_row;
if (cp)
*cp = win.ws_col;
#endif
}
#endif
}