[PR #1432] include: misc.h: unexport lowbit() macro

PR: #1432

Author: metux

dix/window.c

@@ -117,6 +117,7 @@ Equipment Corporation.
 #include "mi/mi_priv.h"         /* miPaintWindow */
 #include "os/auth.h"
 #include "os/client_priv.h"
+#include "os/osdep.h"
 #include "os/screensaver.h"
 #include "Xext/panoramiX.h"
 #include "Xext/panoramiXsrv.h"

hw/xnest/Color.c

@@ -20,6 +20,7 @@ is" without express or implied warranty.
 #include <xcb/xcb.h>
 
 #include "dix/colormap_priv.h"
+#include "os/osdep.h"
 
 #include "scrnintstr.h"
 #include "window.h"

include/misc.h

@@ -136,14 +136,6 @@ typedef struct _xReq *xReqPtr;
 #define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
 /* this assumes b > 0 */
 #define modulus(a, b, d)    if (((d) = (a) % (b)) < 0) (d) += (b)
-/*
- * return the least significant bit in x which is set
- *
- * This works on 1's complement and 2's complement machines.
- * If you care about the extra instruction on 2's complement
- * machines, change to ((x) & (-(x)))
- */
-#define lowbit(x) ((x) & (~(x) + 1))
 
 /* XXX Not for modules */
 #include <limits.h>

os/osdep.h

@@ -57,6 +57,15 @@ SOFTWARE.
 #include <X11/Xmd.h>
 #include <X11/Xdefs.h>
 
+/*
+ * return the least significant bit in x which is set
+ *
+ * This works on 1's complement and 2's complement machines.
+ * If you care about the extra instruction on 2's complement
+ * machines, change to ((x) & (-(x)))
+ */
+#define lowbit(x) ((x) & (~(x) + 1)) // unexport
+
 #ifndef __has_builtin
 # define __has_builtin(x) 0     /* Compatibility with older compilers */
 #endif