ncurses 5.9 - patch 20120903

[ncurses.git] / ncurses / base / lib_getch.c

diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index 7ee9e794a93c5989ad085e95512aec4fd277973c..575d112b81ad0764388ff9441ab17b688a44fa98 100644 (file)
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2012 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            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.122 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.125 2012/08/04 17:11:37 tom Exp $")
 
 #include <fifo_defs.h>
 
@@ -133,7 +133,7 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
     int rc;
 
 #ifdef USE_TERM_DRIVER
-    rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay);
+    rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
 #else
 #if USE_SYSMOUSE
     if ((sp->_mouse_type == M_SYSMOUSE)
@@ -163,7 +163,7 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
 static NCURSES_INLINE int
 fifo_peek(SCREEN *sp)
 {
-    int ch = sp->_fifo[peek];
+    int ch = (peek >= 0) ? sp->_fifo[peek] : ERR;
     TR(TRACE_IEVENT, ("peeking at %d", peek));
 
     p_inc();
@@ -173,15 +173,16 @@ fifo_peek(SCREEN *sp)
 static NCURSES_INLINE int
 fifo_pull(SCREEN *sp)
 {
-    int ch;
-    ch = sp->_fifo[head];
+    int ch = (head >= 0) ? sp->_fifo[head] : ERR;
+
     TR(TRACE_IEVENT, ("pulling %s from %d", _nc_tracechar(sp, ch), head));
 
     if (peek == head) {
        h_inc();
        peek = head;
-    } else
+    } else {
        h_inc();
+    }
 
 #ifdef TRACE
     if (USE_TRACEF(TRACE_IEVENT)) {
@@ -200,7 +201,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
     int mask = 0;
 
     (void) mask;
-    if (tail == -1)
+    if (tail < 0)
        return ERR;
 
 #ifdef HIDE_EINTR
@@ -256,6 +257,13 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
        ch = KEY_MOUSE;
        n = 1;
     } else
+#endif
+#if USE_KLIBC_KBD
+    if (isatty(sp->_ifd) && sp->_cbreak) {
+       ch = _read_kbd(0, 1, !sp->_raw);
+       n = (ch == -1) ? -1 : 1;
+       sp->_extended_key = (ch == 0);
+    } else
 #endif
     {                          /* Can block... */
 #ifdef USE_TERM_DRIVER
@@ -569,7 +577,7 @@ _nc_wgetch(WINDOW *win,
      *
      * If carriage return is defined as a function key in the
      * terminfo, e.g., kent, then Solaris may return either ^J (or ^M
-     * if nonl() is set) or KEY_ENTER depending on the echo() mode. 
+     * if nonl() is set) or KEY_ENTER depending on the echo() mode.
      * We echo before translating carriage return based on nonl(),
      * since the visual result simply moves the cursor to column 0.
      *
@@ -709,10 +717,11 @@ kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 
        if (ptr->value != 0) {  /* sequence terminated */
            TR(TRACE_IEVENT, ("end of sequence"));
-           if (peek == tail)
+           if (peek == tail) {
                fifo_clear(sp);
-           else
+           } else {
                head = peek;
+           }
            return (ptr->value);
        }