ncursesw-morphos/ncurses/fifo_defs.h
Thomas E. Dickey 3ce60e9f58 ncurses 5.6 - patch 20080628
+ correct some ifdef's needed for the broken-linker configuration.
+ make debugging library's $BAUDRATE feature work for termcap
  interface.
+ make $NCURSES_NO_PADDING feature work for termcap interface (prompted
  by comment on FreeBSD mailing list).
+ add screen.mlterm terminfo entry -TD
+ improve mlterm and mlterm+pcfkeys terminfo entries -TD
2008-06-29 00:12:36 +00:00

60 lines
3.2 KiB
C

/****************************************************************************
* Copyright (c) 1998-2002,2008 Free Software Foundation, Inc. *
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/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
* Common macros for lib_getch.c, lib_ungetch.c
*
* $Id: fifo_defs.h,v 1.6 2008/06/28 15:52:32 tom Exp $
*/
#ifndef FIFO_DEFS_H
#define FIFO_DEFS_H 1
#define head sp->_fifohead
#define tail sp->_fifotail
/* peek points to next uninterpreted character */
#define peek sp->_fifopeek
#define h_inc() { head == FIFO_SIZE-1 ? head = 0 : head++; if (head == tail) head = -1, tail = 0;}
#define h_dec() { head == 0 ? head = FIFO_SIZE-1 : head--; if (head == tail) tail = -1;}
#define t_inc() { tail == FIFO_SIZE-1 ? tail = 0 : tail++; if (tail == head) tail = -1;}
#define t_dec() { tail == 0 ? tail = FIFO_SIZE-1 : tail--; if (head == tail) fifo_clear(sp);}
#define p_inc() { peek == FIFO_SIZE-1 ? peek = 0 : peek++;}
#define cooked_key_in_fifo() ((head != -1) && (peek != head))
#define raw_key_in_fifo() ((head != -1) && (peek != tail))
#undef HIDE_EINTR
#endif /* FIFO_DEFS_H */