Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.vendor/ncurses/5.0-19990821

This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from:	ftp://ftp.clark.net/pub/dickey/ncurses

1 files changed, 163 insertions, 0 deletions

diff --git a/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c b/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c
new file mode 100644
index 000000000000..79397f466c5e
--- /dev/null
+++ b/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c
@@ -0,0 +1,163 @@
+/****************************************************************************
+ * Copyright (c) 1998 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/*
+ *		def_prog_mode()
+ *		def_shell_mode()
+ *		reset_prog_mode()
+ *		reset_shell_mode()
+ *		savetty()
+ *		resetty()
+ */
+
+#include <curses.priv.h>
+#include <term.h>	/* cur_term */
+
+MODULE_ID("$Id: lib_ttyflags.c,v 1.2 1999/07/24 22:36:12 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
+
+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: %s", _nc_tracebits()));
+	return (OK);
+}
+
+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: %s", _nc_tracebits()));
+	return (OK);
+}
+
+int def_shell_mode(void)
+{
+	T((T_CALLED("def_shell_mode()")));
+
+	/*
+	 * Turn off the XTABS bit in the tty structure if it was on.  If XTABS
+	 * was on, remove the tab and backtab capabilities.
+	 */
+
+	if (_nc_get_tty_mode(&cur_term->Ottyb) != OK)
+		returnCode(ERR);
+#ifdef TERMIOS
+	if (cur_term->Ottyb.c_oflag & tabs)
+		tab = back_tab = NULL;
+#else
+	if (cur_term->Ottyb.sg_flags & XTABS)
+		tab = back_tab = NULL;
+#endif
+	returnCode(OK);
+}
+
+int def_prog_mode(void)
+{
+	T((T_CALLED("def_prog_mode()")));
+
+	if (_nc_get_tty_mode(&cur_term->Nttyb) != OK)
+		returnCode(ERR);
+#ifdef TERMIOS
+	cur_term->Nttyb.c_oflag &= ~tabs;
+#else
+	cur_term->Nttyb.sg_flags &= ~XTABS;
+#endif
+	returnCode(OK);
+}
+
+int reset_prog_mode(void)
+{
+	T((T_CALLED("reset_prog_mode()")));
+
+	if (cur_term != 0) {
+		_nc_set_tty_mode(&cur_term->Nttyb);
+		if (SP) {
+			if (stdscr && stdscr->_use_keypad)
+				_nc_keypad(TRUE);
+			NC_BUFFERED(TRUE);
+		}
+		returnCode(OK);
+	}
+	returnCode(ERR);
+}
+
+int reset_shell_mode(void)
+{
+	T((T_CALLED("reset_shell_mode()")));
+
+	if (cur_term != 0) {
+		if (SP)
+		{
+			_nc_keypad(FALSE);
+			fflush(SP->_ofp);
+			NC_BUFFERED(FALSE);
+		}
+		returnCode(_nc_set_tty_mode(&cur_term->Ottyb));
+	}
+	returnCode(ERR);
+}
+
+/*
+**	savetty()  and  resetty()
+**
+*/
+
+static TTY   buf;
+
+int savetty(void)
+{
+	T((T_CALLED("savetty()")));
+
+	returnCode(_nc_get_tty_mode(&buf));
+}
+
+int resetty(void)
+{
+	T((T_CALLED("resetty()")));
+
+	returnCode(_nc_set_tty_mode(&buf));
+}