/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2003,2004 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 2002 *
****************************************************************************/
-
/*
* lib_kernel.c
*
*/
#include <curses.priv.h>
-#include <term.h> /* cur_term */
+#include <term.h> /* cur_term */
+
+MODULE_ID("$Id: lib_kernel.c,v 1.24 2004/05/08 17:11:21 tom Exp $")
-MODULE_ID("$Id: lib_kernel.c,v 1.19 1998/12/20 00:18:45 tom Exp $")
+static int
+_nc_vdisable(void)
+{
+ int value = -1;
+#if defined(_POSIX_VDISABLE) && HAVE_UNISTD_H
+ value = _POSIX_VDISABLE;
+#endif
+#if defined(_PC_VDISABLE)
+ if (value == -1) {
+ value = fpathconf(0, _PC_VDISABLE);
+ if (value == -1) {
+ value = 0377;
+ }
+ }
+#elif defined(VDISABLE)
+ if (value == -1)
+ value = VDISABLE;
+#endif
+ return value;
+}
/*
* erasechar()
*
*/
-char
+NCURSES_EXPORT(char)
erasechar(void)
{
- T((T_CALLED("erasechar()")));
+ int result = ERR;
+ T((T_CALLED("erasechar()")));
- if (cur_term != 0) {
+ if (cur_term != 0) {
#ifdef TERMIOS
- returnCode(cur_term->Ottyb.c_cc[VERASE]);
+ result = cur_term->Ottyb.c_cc[VERASE];
+ if (result == _nc_vdisable())
+ result = ERR;
#else
- returnCode(cur_term->Ottyb.sg_erase);
+ result = cur_term->Ottyb.sg_erase;
#endif
- }
- returnCode(ERR);
+ }
+ returnCode(result);
}
-
-
/*
* killchar()
*
*
*/
-char
+NCURSES_EXPORT(char)
killchar(void)
{
- T((T_CALLED("killchar()")));
+ int result = ERR;
+ T((T_CALLED("killchar()")));
- if (cur_term != 0) {
+ if (cur_term != 0) {
#ifdef TERMIOS
- returnCode(cur_term->Ottyb.c_cc[VKILL]);
+ result = cur_term->Ottyb.c_cc[VKILL];
+ if (result == _nc_vdisable())
+ result = ERR;
#else
- returnCode(cur_term->Ottyb.sg_kill);
+ result = cur_term->Ottyb.sg_kill;
#endif
- }
- returnCode(ERR);
+ }
+ returnCode(result);
}
-
-
/*
* flushinp()
*
*
*/
-int flushinp(void)
+NCURSES_EXPORT(int)
+flushinp(void)
{
- T((T_CALLED("flushinp()")));
+ T((T_CALLED("flushinp()")));
- if (cur_term != 0) {
+ if (cur_term != 0) {
#ifdef TERMIOS
- tcflush(cur_term->Filedes, TCIFLUSH);
+ tcflush(cur_term->Filedes, TCIFLUSH);
#else
- errno = 0;
- do {
- ioctl(cur_term->Filedes, TIOCFLUSH, 0);
- } while
- (errno == EINTR);
+ errno = 0;
+ do {
+ ioctl(cur_term->Filedes, TIOCFLUSH, 0);
+ } while
+ (errno == EINTR);
#endif
- if (SP) {
- SP->_fifohead = -1;
- SP->_fifotail = 0;
- SP->_fifopeek = 0;
- }
- returnCode(OK);
+ if (SP) {
+ SP->_fifohead = -1;
+ SP->_fifotail = 0;
+ SP->_fifopeek = 0;
}
- returnCode(ERR);
+ returnCode(OK);
+ }
+ returnCode(ERR);
}