/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2002,2007 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 1998 on *
****************************************************************************/
-
/*
* raw.c
*
*/
#include <curses.priv.h>
-#include <term.h> /* cur_term */
+#include <term.h> /* cur_term */
-MODULE_ID("$Id: lib_raw.c,v 1.3 1999/03/06 22:28:24 tom Exp $")
+MODULE_ID("$Id: lib_raw.c,v 1.14 2007/09/29 21:50:22 tom Exp $")
-#if defined(SVR4_TERMIO) && !defined(_POSIX_SOURCE)
+#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
#define _POSIX_SOURCE
#endif
#if HAVE_SYS_TERMIO_H
-#include <sys/termio.h> /* needed for ISC */
+#include <sys/termio.h> /* needed for ISC */
#endif
#ifdef __EMX__
#include <io.h>
-#include <fcntl.h>
+#define _nc_setmode(mode) setmode(SP->_ifd, mode)
+#else
+#define _nc_setmode(mode) /* nothing */
#endif
#define COOKED_INPUT (IXON|BRKINT|PARMRK)
#ifdef TRACE
-#define BEFORE(N) if (_nc_tracing&TRACE_BITS) _tracef("%s before bits: %s", N, _nc_tracebits())
-#define AFTER(N) if (_nc_tracing&TRACE_BITS) _tracef("%s after bits: %s", N, _nc_tracebits())
+#define BEFORE(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())
+#define AFTER(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())
#else
#define BEFORE(s)
#define AFTER(s)
#endif /* TRACE */
-int raw(void)
+NCURSES_EXPORT(int)
+raw(void)
{
- T((T_CALLED("raw()")));
- if (SP != 0 && cur_term != 0) {
+ int result = ERR;
- SP->_raw = TRUE;
- SP->_cbreak = 1;
+ T((T_CALLED("raw()")));
-#ifdef __EMX__
- setmode(SP->_ifd, O_BINARY);
-#endif
+ if (SP != 0 && cur_term != 0) {
+ TTY buf;
+ BEFORE("raw");
+ _nc_setmode(O_BINARY);
+
+ buf = cur_term->Nttyb;
#ifdef TERMIOS
- BEFORE("raw");
- cur_term->Nttyb.c_lflag &= ~(ICANON|ISIG);
- cur_term->Nttyb.c_iflag &= ~(COOKED_INPUT);
- cur_term->Nttyb.c_cc[VMIN] = 1;
- cur_term->Nttyb.c_cc[VTIME] = 0;
- AFTER("raw");
+ buf.c_lflag &= ~(ICANON | ISIG | IEXTEN);
+ buf.c_iflag &= ~(COOKED_INPUT);
+ buf.c_cc[VMIN] = 1;
+ buf.c_cc[VTIME] = 0;
#else
- cur_term->Nttyb.sg_flags |= RAW;
+ buf.sg_flags |= RAW;
#endif
- returnCode(_nc_set_tty_mode(&cur_term->Nttyb));
+ if ((result = _nc_set_tty_mode(&buf)) == OK) {
+ SP->_raw = TRUE;
+ SP->_cbreak = 1;
+ cur_term->Nttyb = buf;
}
- returnCode(ERR);
+ AFTER("raw");
+ }
+ returnCode(result);
}
-int cbreak(void)
+NCURSES_EXPORT(int)
+cbreak(void)
{
- T((T_CALLED("cbreak()")));
+ int result = ERR;
- SP->_cbreak = 1;
+ T((T_CALLED("cbreak()")));
-#ifdef __EMX__
- setmode(SP->_ifd, O_BINARY);
-#endif
+ if (SP != 0 && cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("cbreak");
- cur_term->Nttyb.c_lflag &= ~ICANON;
- cur_term->Nttyb.c_iflag &= ~ICRNL;
- cur_term->Nttyb.c_lflag |= ISIG;
- cur_term->Nttyb.c_cc[VMIN] = 1;
- cur_term->Nttyb.c_cc[VTIME] = 0;
- AFTER("cbreak");
+ _nc_setmode(O_BINARY);
+
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
+ buf.c_lflag &= ~ICANON;
+ buf.c_iflag &= ~ICRNL;
+ buf.c_lflag |= ISIG;
+ buf.c_cc[VMIN] = 1;
+ buf.c_cc[VTIME] = 0;
#else
- cur_term->Nttyb.sg_flags |= CBREAK;
+ buf.sg_flags |= CBREAK;
#endif
- returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
+ if ((result = _nc_set_tty_mode(&buf)) == OK) {
+ SP->_cbreak = 1;
+ cur_term->Nttyb = buf;
+ }
+ AFTER("cbreak");
+ }
+ returnCode(result);
}
-void qiflush(void)
+/*
+ * Note:
+ * this implementation may be wrong. See the comment under intrflush().
+ */
+NCURSES_EXPORT(void)
+qiflush(void)
{
- T((T_CALLED("qiflush()")));
+ int result = ERR;
- /*
- * Note: this implementation may be wrong. See the comment under
- * intrflush().
- */
+ T((T_CALLED("qiflush()")));
+
+ if (cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("qiflush");
- cur_term->Nttyb.c_lflag &= ~(NOFLSH);
- AFTER("qiflush");
- (void)_nc_set_tty_mode( &cur_term->Nttyb);
- returnVoid;
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
+ buf.c_lflag &= ~(NOFLSH);
+ result = _nc_set_tty_mode(&buf);
+#else
+ /* FIXME */
#endif
+ if (result == OK)
+ cur_term->Nttyb = buf;
+ AFTER("qiflush");
+ }
+ returnVoid;
}
-
-int noraw(void)
+NCURSES_EXPORT(int)
+noraw(void)
{
- T((T_CALLED("noraw()")));
+ int result = ERR;
- SP->_raw = FALSE;
- SP->_cbreak = 0;
+ T((T_CALLED("noraw()")));
-#ifdef __EMX__
- setmode(SP->_ifd, O_TEXT);
-#endif
+ if (SP != 0 && cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("noraw");
- cur_term->Nttyb.c_lflag |= ISIG|ICANON;
- cur_term->Nttyb.c_iflag |= COOKED_INPUT;
- AFTER("noraw");
+ _nc_setmode(O_TEXT);
+
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
+ buf.c_lflag |= ISIG | ICANON |
+ (cur_term->Ottyb.c_lflag & IEXTEN);
+ buf.c_iflag |= COOKED_INPUT;
#else
- cur_term->Nttyb.sg_flags &= ~(RAW|CBREAK);
+ buf.sg_flags &= ~(RAW | CBREAK);
#endif
- returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
+ if ((result = _nc_set_tty_mode(&buf)) == OK) {
+ SP->_raw = FALSE;
+ SP->_cbreak = 0;
+ cur_term->Nttyb = buf;
+ }
+ AFTER("noraw");
+ }
+ returnCode(result);
}
-
-int nocbreak(void)
+NCURSES_EXPORT(int)
+nocbreak(void)
{
- T((T_CALLED("nocbreak()")));
+ int result = ERR;
- SP->_cbreak = 0;
+ T((T_CALLED("nocbreak()")));
-#ifdef __EMX__
- setmode(SP->_ifd, O_TEXT);
-#endif
+ if (SP != 0 && cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("nocbreak");
- cur_term->Nttyb.c_lflag |= ICANON;
- cur_term->Nttyb.c_iflag |= ICRNL;
- AFTER("nocbreak");
+ _nc_setmode(O_TEXT);
+
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
+ buf.c_lflag |= ICANON;
+ buf.c_iflag |= ICRNL;
#else
- cur_term->Nttyb.sg_flags &= ~CBREAK;
+ buf.sg_flags &= ~CBREAK;
#endif
- returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
+ if ((result = _nc_set_tty_mode(&buf)) == OK) {
+ SP->_cbreak = 0;
+ cur_term->Nttyb = buf;
+ }
+ AFTER("nocbreak");
+ }
+ returnCode(result);
}
-void noqiflush(void)
+/*
+ * Note:
+ * this implementation may be wrong. See the comment under intrflush().
+ */
+NCURSES_EXPORT(void)
+noqiflush(void)
{
- T((T_CALLED("noqiflush()")));
+ int result = ERR;
- /*
- * Note: this implementation may be wrong. See the comment under
- * intrflush().
- */
+ T((T_CALLED("noqiflush()")));
+
+ if (cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("noqiflush");
- cur_term->Nttyb.c_lflag |= NOFLSH;
- AFTER("noqiflush");
- (void)_nc_set_tty_mode( &cur_term->Nttyb);
- returnVoid;
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
+ buf.c_lflag |= NOFLSH;
+ result = _nc_set_tty_mode(&buf);
+#else
+ /* FIXME */
#endif
+ if (result == OK) {
+ cur_term->Nttyb = buf;
+ }
+ AFTER("noqiflush");
+ }
+ returnVoid;
}
-int intrflush(WINDOW *win GCC_UNUSED, bool flag)
+/*
+ * This call does the same thing as the qiflush()/noqiflush() pair. We know
+ * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,
+ * the match (in the SVr4 man pages) between the language describing NOFLSH in
+ * termio(7) and the language describing qiflush()/noqiflush() in
+ * curs_inopts(3x) is too exact to be coincidence.
+ */
+NCURSES_EXPORT(int)
+intrflush(WINDOW *win GCC_UNUSED, bool flag)
{
- T((T_CALLED("intrflush(%d)"), flag));
+ int result = ERR;
- /*
- * This call does the same thing as the qiflush()/noqiflush()
- * pair. We know for certain that SVr3 intrflush() tweaks the
- * NOFLSH bit; on the other hand, the match (in the SVr4 man
- * pages) between the language describing NOFLSH in termio(7)
- * and the language describing qiflush()/noqiflush() in
- * curs_inopts(3x) is too exact to be coincidence.
- */
+ T((T_CALLED("intrflush(%d)"), flag));
+
+ if (cur_term != 0) {
+ TTY buf;
-#ifdef TERMIOS
BEFORE("intrflush");
+ buf = cur_term->Nttyb;
+#ifdef TERMIOS
if (flag)
- cur_term->Nttyb.c_lflag &= ~(NOFLSH);
+ buf.c_lflag &= ~(NOFLSH);
else
- cur_term->Nttyb.c_lflag |= (NOFLSH);
- AFTER("intrflush");
- returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
+ buf.c_lflag |= (NOFLSH);
+ result = _nc_set_tty_mode(&buf);
#else
- returnCode(ERR);
+ /* FIXME */
#endif
+ if (result == OK) {
+ cur_term->Nttyb = buf;
+ }
+ AFTER("intrflush");
+ }
+ returnCode(result);
}