Moved helper macro to a discrete include file.

To help reduce code duplication and also 'kitchen-sink' includes
the ARRAY_LENGTH macro was moved to a stand-alone file and
referenced from the sources consuming it. Other macros will be
added in subsequent passes.

Signed-off-by: Jon A. Cruz <jonc@osg.samsung.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>

clients/calibrator.c

@@ -35,10 +35,9 @@
 #include <wayland-client.h>
 
 #include "window.h"
+#include "shared/helpers.h"
 #include "shared/matrix.h"
 
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
-
 /* Our points for the calibration must be not be on a line */
 static const struct {
 	float x_ratio, y_ratio;

clients/dnd.c

@@ -41,6 +41,7 @@
 
 #include "window.h"
 #include "shared/cairo-util.h"
+#include "shared/helpers.h"
 
 struct dnd_drag;
 

clients/editor.c

@@ -36,6 +36,7 @@
 
 #include <pango/pangocairo.h>
 
+#include "shared/helpers.h"
 #include "window.h"
 #include "text-client-protocol.h"
 

clients/eventdemo.c

@@ -38,6 +38,7 @@
 
 #include <cairo.h>
 
+#include "shared/helpers.h"
 #include "window.h"
 
 /** window title */

clients/ivi-shell-user-interface.c

@@ -35,6 +35,7 @@
 #include <wayland-cursor.h>
 #include "shared/cairo-util.h"
 #include "shared/config-parser.h"
+#include "shared/helpers.h"
 #include "shared/os-compatibility.h"
 #include "ivi-application-client-protocol.h"
 #include "ivi-hmi-controller-client-protocol.h"
@@ -175,7 +176,6 @@ mem_alloc(size_t size, char *file, int32_t line)
 }
 
 #define MEM_ALLOC(s) mem_alloc((s),__FILE__,__LINE__)
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
 
 /*****************************************************************************
  *  Event Handler

clients/nested.c

@@ -46,6 +46,7 @@
 #define WL_HIDE_DEPRECATED
 #include <wayland-server.h>
 
+#include "shared/helpers.h"
 #include "window.h"
 
 #define MIN(x,y) (((x) < (y)) ? (x) : (y))

clients/presentation-shm.c

@@ -36,11 +36,10 @@
 #include <time.h>
 
 #include <wayland-client.h>
+#include "shared/helpers.h"
 #include "shared/os-compatibility.h"
 #include "presentation_timing-client-protocol.h"
 
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
-
 enum run_mode {
 	RUN_MODE_FEEDBACK,
 	RUN_MODE_FEEDBACK_IDLE,

clients/simple-touch.c

@@ -33,10 +33,9 @@
 #include <sys/mman.h>
 
 #include <wayland-client.h>
+#include "shared/helpers.h"
 #include "shared/os-compatibility.h"
 
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
-
 struct seat {
 	struct touch *touch;
 	struct wl_seat *seat;

clients/stacking.c

@@ -32,6 +32,7 @@
 #include <linux/input.h>
 #include <cairo.h>
 
+#include "shared/helpers.h"
 #include "window.h"
 
 struct stacking {

clients/subsurfaces.c

@@ -41,6 +41,7 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
+#include "shared/helpers.h"
 #include "window.h"
 
 #if 0

clients/terminal.c

@@ -44,6 +44,7 @@
 #include <wayland-client.h>
 
 #include "shared/config-parser.h"
+#include "shared/helpers.h"
 #include "window.h"
 
 static int option_fullscreen;

clients/weston-info.c

@@ -32,11 +32,10 @@
 
 #include <wayland-client.h>
 
+#include "shared/helpers.h"
 #include "shared/os-compatibility.h"
 #include "presentation_timing-client-protocol.h"
 
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
-
 #define MIN(x,y) (((x) < (y)) ? (x) : (y))
 
 typedef void (*print_info_t)(void *info);

clients/window.c

@@ -67,6 +67,7 @@ typedef void *EGLContext;
 #include <linux/input.h>
 #include <wayland-client.h>
 #include "shared/cairo-util.h"
+#include "shared/helpers.h"
 #include "xdg-shell-client-protocol.h"
 #include "text-cursor-position-client-protocol.h"
 #include "workspaces-client-protocol.h"

clients/window.h

@@ -33,8 +33,6 @@
 #include "shared/zalloc.h"
 #include "shared/platform.h"
 
-#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
-
 #define container_of(ptr, type, member) ({				\
 	const __typeof__( ((type *)0)->member ) *__mptr = (ptr);	\
 	(type *)( (char *)__mptr - offsetof(type,member) );})

clients/wscreensaver.c

@@ -37,6 +37,7 @@
 
 #include "desktop-shell-client-protocol.h"
 #include "window.h"
+#include "shared/helpers.h"
 
 extern struct wscreensaver_plugin glmatrix_screensaver;