diff options
Diffstat (limited to 'lib/libcurses/base/lib_ungetch.c')
| -rw-r--r-- | lib/libcurses/base/lib_ungetch.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/lib/libcurses/base/lib_ungetch.c b/lib/libcurses/base/lib_ungetch.c index 81b315d6a42..3837f645b3a 100644 --- a/lib/libcurses/base/lib_ungetch.c +++ b/lib/libcurses/base/lib_ungetch.c @@ -1,7 +1,7 @@ -/* $OpenBSD: lib_ungetch.c,v 1.1 1999/01/18 19:10:05 millert Exp $ */ +/* $OpenBSD: lib_ungetch.c,v 1.2 2001/01/22 18:01:47 millert Exp $ */ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998,2000 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 * @@ -42,35 +42,38 @@ #include <curses.priv.h> -MODULE_ID("$From: lib_ungetch.c,v 1.2 1998/02/11 12:13:56 tom Exp $") +MODULE_ID("$From: lib_ungetch.c,v 1.4 2000/12/10 02:43:27 tom Exp $") #include <fifo_defs.h> #ifdef TRACE -void _nc_fifo_dump(void) +NCURSES_EXPORT(void) +_nc_fifo_dump(void) { -int i; - T(("head = %d, tail = %d, peek = %d", head, tail, peek)); - for (i = 0; i < 10; i++) - T(("char %d = %s", i, _trace_key(SP->_fifo[i]))); + int i; + T(("head = %d, tail = %d, peek = %d", head, tail, peek)); + for (i = 0; i < 10; i++) + T(("char %d = %s", i, _trace_key(SP->_fifo[i]))); } #endif /* TRACE */ -int ungetch(int ch) +NCURSES_EXPORT(int) +ungetch(int ch) { - if (tail == -1) - return ERR; - if (head == -1) { - head = 0; - t_inc() - peek = tail; /* no raw keys */ - } else - h_dec(); + if (tail == -1) + return ERR; + if (head == -1) { + head = 0; + t_inc() + peek = tail; /* no raw keys */ + } else + h_dec(); - SP->_fifo[head] = ch; - T(("ungetch %#x ok", ch)); + SP->_fifo[head] = ch; + T(("ungetch %#x ok", ch)); #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) _nc_fifo_dump(); + if (_nc_tracing & TRACE_IEVENT) + _nc_fifo_dump(); #endif - return OK; + return OK; } |