X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_getch.c;h=575d112b81ad0764388ff9441ab17b688a44fa98;hp=6f4f3c54e5b8e8b254eb435e987752ea7543a771;hb=634674af078ad40d46e9a55d6b4438d44f90ba4c;hpb=92e187a3459ab7ce1613a3684ca6642447c73620;ds=sidebyside

diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index 6f4f3c54..575d112b 100644
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 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 1.116 2010/05/01 22:40:47 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
@@ -264,7 +272,16 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 	ch = buf;
 #else
 	unsigned char c2 = 0;
-	n = read(sp->_ifd, &c2, 1);
+# if USE_PTHREADS_EINTR
+#  if USE_WEAK_SYMBOLS
+	if ((pthread_self) && (pthread_kill) && (pthread_equal))
+#  endif
+	    _nc_globals.read_thread = pthread_self();
+# endif
+	n = (int) read(sp->_ifd, &c2, (size_t) 1);
+#if USE_PTHREADS_EINTR
+	_nc_globals.read_thread = 0;
+#endif
 	ch = c2;
 #endif
     }
@@ -279,7 +296,11 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
      * We don't want this difference to show.  This piece of code
      * tries to make it look like we always have restarting signals.
      */
-    if (n <= 0 && errno == EINTR)
+    if (n <= 0 && errno == EINTR
+# if USE_PTHREADS_EINTR
+	&& (_nc_globals.have_sigwinch == 0)
+# endif
+	)
 	goto again;
 #endif
 
@@ -370,7 +391,7 @@ recur_wgetnstr(WINDOW *win, char *buf)
 
 NCURSES_EXPORT(int)
 _nc_wgetch(WINDOW *win,
-	   unsigned long *result,
+	   int *result,
 	   int use_meta
 	   EVENTLIST_2nd(_nc_eventlist * evl))
 {
@@ -556,7 +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.
      *
@@ -568,7 +589,7 @@ _nc_wgetch(WINDOW *win,
      * cursor to the left.
      */
     if (sp->_echo && !(win->_flags & _ISPAD)) {
-	chtype backup = (ch == KEY_BACKSPACE) ? '\b' : ch;
+	chtype backup = (chtype) ((ch == KEY_BACKSPACE) ? '\b' : ch);
 	if (backup < KEY_MIN)
 	    wechochar(win, backup);
     }
@@ -599,7 +620,7 @@ NCURSES_EXPORT(int)
 wgetch_events(WINDOW *win, _nc_eventlist * evl)
 {
     int code;
-    unsigned long value;
+    int value;
 
     T((T_CALLED("wgetch_events(%p,%p)"), win, evl));
     code = _nc_wgetch(win,
@@ -616,7 +637,7 @@ NCURSES_EXPORT(int)
 wgetch(WINDOW *win)
 {
     int code;
-    unsigned long value;
+    int value;
 
     T((T_CALLED("wgetch(%p)"), (void *) win));
     code = _nc_wgetch(win,
@@ -696,10 +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);
 	}