From: Geoff Voelker <voelker@cs.washington.edu>
Date: Fri, 17 May 1996 06:12:35 +0000 (+0000)
Subject: (w32_read_socket): Mask out lower 4 bits of wParam
X-Git-Tag: emacs-19.34~620
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ce2d626fabd33f84e1560d83ab4e1e16b01675ce;p=emacs.git

(w32_read_socket): Mask out lower 4 bits of wParam
for WM_SYSCOMMAND messages.
---

diff --git a/src/w32term.c b/src/w32term.c
index 7e9c78dde33..ea539a0a1b7 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -2627,7 +2627,7 @@ w32_read_socket (sd, bufp, numchars, waitp, expected)
 	  
 	  break;
 	case WM_SYSCOMMAND:
-	  switch (msg.msg.wParam) 
+	  switch (msg.msg.wParam & 0xfff0)  /* Lower 4 bits used by Windows. */
 	    {
 	    case SC_CLOSE:
 	      f = x_window_to_frame (dpyinfo, msg.msg.hwnd);