/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <curses.priv.h>
#include <term.h> /* cur_term */
-MODULE_ID("$Id: lib_ttyflags.c,v 1.9 2002/10/12 21:28:16 tom Exp $")
-
-#undef tabs
-
-#ifdef TAB3
-# define tabs TAB3
-#else
-# ifdef XTABS
-# define tabs XTABS
-# else
-# ifdef OXTABS
-# define tabs OXTABS
-# else
-# define tabs 0
-# endif
-# endif
-#endif
+MODULE_ID("$Id: lib_ttyflags.c,v 1.18 2008/08/03 22:10:44 tom Exp $")
NCURSES_EXPORT(int)
_nc_get_tty_mode(TTY * buf)
{
- if (cur_term == 0
- || GET_TTY(cur_term->Filedes, buf) != 0)
- return (ERR);
- TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
- cur_term->Filedes, _nc_trace_ttymode(buf)));
- return (OK);
+ int result = OK;
+
+ if (buf == 0) {
+ result = ERR;
+ } else {
+ if (cur_term == 0) {
+ result = ERR;
+ } else {
+ for (;;) {
+ if (GET_TTY(cur_term->Filedes, buf) != 0) {
+ if (errno == EINTR)
+ continue;
+ result = ERR;
+ }
+ break;
+ }
+ }
+
+ if (result == ERR)
+ memset(buf, 0, sizeof(*buf));
+
+ TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
+ cur_term ? cur_term->Filedes : -1,
+ _nc_trace_ttymode(buf)));
+ }
+ return (result);
}
NCURSES_EXPORT(int)
_nc_set_tty_mode(TTY * buf)
{
- if (cur_term == 0
- || SET_TTY(cur_term->Filedes, buf) != 0)
- return (ERR);
- TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
- cur_term->Filedes, _nc_trace_ttymode(buf)));
- return (OK);
+ int result = OK;
+
+ if (buf == 0) {
+ result = ERR;
+ } else {
+ if (cur_term == 0) {
+ result = ERR;
+ } else {
+ for (;;) {
+ if (SET_TTY(cur_term->Filedes, buf) != 0) {
+ if (errno == EINTR)
+ continue;
+ if ((errno == ENOTTY) && (SP != 0))
+ SP->_notty = TRUE;
+ result = ERR;
+ }
+ break;
+ }
+ }
+ TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
+ cur_term ? cur_term->Filedes : -1,
+ _nc_trace_ttymode(buf)));
+ }
+ return (result);
}
NCURSES_EXPORT(int)
def_shell_mode(void)
{
- T((T_CALLED("def_shell_mode()")));
+ int rc = ERR;
- /*
- * Turn off the XTABS bit in the tty structure if it was on. If XTABS
- * was on, remove the tab and backtab capabilities.
- */
+ T((T_CALLED("def_shell_mode()")));
- if (_nc_get_tty_mode(&cur_term->Ottyb) != OK)
- returnCode(ERR);
+ if (cur_term != 0) {
+ /*
+ * If XTABS was on, remove the tab and backtab capabilities.
+ */
+ if (_nc_get_tty_mode(&cur_term->Ottyb) == OK) {
#ifdef TERMIOS
- if (cur_term->Ottyb.c_oflag & tabs)
- tab = back_tab = NULL;
+ if (cur_term->Ottyb.c_oflag & OFLAGS_TABS)
+ tab = back_tab = NULL;
#else
- if (cur_term->Ottyb.sg_flags & XTABS)
- tab = back_tab = NULL;
+ if (cur_term->Ottyb.sg_flags & XTABS)
+ tab = back_tab = NULL;
#endif
- returnCode(OK);
+ rc = OK;
+ }
+ }
+ returnCode(rc);
}
NCURSES_EXPORT(int)
def_prog_mode(void)
{
+ int rc = ERR;
+
T((T_CALLED("def_prog_mode()")));
- if (_nc_get_tty_mode(&cur_term->Nttyb) != OK)
- returnCode(ERR);
+ if (cur_term != 0) {
+ /*
+ * Turn off the XTABS bit in the tty structure if it was on.
+ */
+ if (_nc_get_tty_mode(&cur_term->Nttyb) == OK) {
#ifdef TERMIOS
- cur_term->Nttyb.c_oflag &= ~tabs;
+ cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS;
#else
- cur_term->Nttyb.sg_flags &= ~XTABS;
+ cur_term->Nttyb.sg_flags &= ~XTABS;
#endif
- returnCode(OK);
+ rc = OK;
+ }
+ }
+ returnCode(rc);
}
NCURSES_EXPORT(int)
if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) {
if (SP) {
if (SP->_keypad_on)
- _nc_keypad(TRUE);
+ _nc_keypad(SP, TRUE);
NC_BUFFERED(TRUE);
}
returnCode(OK);
if (cur_term != 0) {
if (SP) {
- _nc_keypad(FALSE);
+ _nc_keypad(SP, FALSE);
_nc_flush();
NC_BUFFERED(FALSE);
}
returnCode(ERR);
}
+static TTY *
+saved_tty(void)
+{
+ TTY *result = 0;
+
+ if (SP != 0) {
+ result = &(SP->_saved_tty);
+ } else {
+ if (_nc_prescreen.saved_tty == 0) {
+ _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
+ }
+ result = _nc_prescreen.saved_tty;
+ }
+ return result;
+}
+
/*
** savetty() and resetty()
**
*/
-static TTY buf;
-
NCURSES_EXPORT(int)
savetty(void)
{
T((T_CALLED("savetty()")));
- returnCode(_nc_get_tty_mode(&buf));
+ returnCode(_nc_get_tty_mode(saved_tty()));
}
NCURSES_EXPORT(int)
{
T((T_CALLED("resetty()")));
- returnCode(_nc_set_tty_mode(&buf));
+ returnCode(_nc_set_tty_mode(saved_tty()));
}