winsize.c File Reference

#include "config.h"
#include <stdc.h>
#include "bashtypes.h"
#include <sys/ioctl.h>
#include <stdio.h>

Go to the source code of this file.

Macros
#define	input_tty()   (shell_tty != -1) ? shell_tty : fileno (stderr)

Functions
void sh_set_lines_and_columns	__P ((int, int))
void	get_new_window_size (int from_sig, int *rp, int *cp)

Variables
int	errno
int	shell_tty

Macro Definition Documentation

input_tty

#define input_tty

(

)

(shell_tty != -1) ? shell_tty : fileno (stderr)

Definition at line 62 of file winsize.c.

Referenced by get_new_window_size().

Function Documentation

__P()

void sh_set_lines_and_columns __P

(

(int, int)

)

get_new_window_size()

void get_new_window_size	(	int	from_sig,
		int *	rp,
		int *	cp
	)

Definition at line 76 of file winsize.c.

References input_tty, rl_set_screen_size(), and sh_set_lines_and_columns().

Referenced by default_columns(), get_tty_state(), wait_for(), and yyparse().

{
#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
}

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

errno

int errno

shell_tty

int shell_tty

Definition at line 190 of file jobs.c.