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-rw-r--r--clients/clickdot.c1
-rw-r--r--clients/desktop-shell.c1
-rw-r--r--clients/window.h4
-rw-r--r--desktop-shell/exposay.c1
-rw-r--r--desktop-shell/input-panel.c1
-rw-r--r--fullscreen-shell/fullscreen-shell.c1
-rw-r--r--ivi-shell/hmi-controller.c1
-rw-r--r--ivi-shell/input-panel-ivi.c1
-rw-r--r--ivi-shell/ivi-layout.c1
-rw-r--r--shared/config-parser.c5
-rw-r--r--shared/helpers.h37
-rw-r--r--src/animation.c1
-rw-r--r--src/bindings.c1
-rw-r--r--src/clipboard.c1
-rw-r--r--src/cms-colord.c1
-rw-r--r--src/cms-static.c1
-rw-r--r--src/compositor.h4
-rw-r--r--src/data-device.c1
-rw-r--r--src/libinput-device.c1
-rw-r--r--src/libinput-seat.c1
-rw-r--r--src/pixman-renderer.c1
-rw-r--r--src/rpi-renderer.c1
-rw-r--r--src/screen-share.c1
-rw-r--r--src/screenshooter.c1
-rw-r--r--src/text-backend.c1
-rw-r--r--src/zoom.c1
-rw-r--r--tests/ivi_layout-test-plugin.c1
-rw-r--r--tests/weston-test.c2
-rw-r--r--xwayland/launcher.c1
29 files changed, 64 insertions, 12 deletions
diff --git a/clients/clickdot.c b/clients/clickdot.c
index b5229742..776f8da8 100644
--- a/clients/clickdot.c
+++ b/clients/clickdot.c
@@ -40,6 +40,7 @@
#include <wayland-client.h>
#include "window.h"
+#include "shared/helpers.h"
struct clickdot {
struct display *display;
diff --git a/clients/desktop-shell.c b/clients/desktop-shell.c
index 03b1b193..9cf3d686 100644
--- a/clients/desktop-shell.c
+++ b/clients/desktop-shell.c
@@ -45,6 +45,7 @@
#include "window.h"
#include "shared/cairo-util.h"
#include "shared/config-parser.h"
+#include "shared/helpers.h"
#include "desktop-shell-client-protocol.h"
diff --git a/clients/window.h b/clients/window.h
index c47aa515..b61a62a1 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -33,10 +33,6 @@
#include "shared/zalloc.h"
#include "shared/platform.h"
-#define container_of(ptr, type, member) ({ \
- const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
struct window;
struct widget;
struct display;
diff --git a/desktop-shell/exposay.c b/desktop-shell/exposay.c
index 622aa5a8..b6413405 100644
--- a/desktop-shell/exposay.c
+++ b/desktop-shell/exposay.c
@@ -28,6 +28,7 @@
#include <linux/input.h>
#include "shell.h"
+#include "shared/helpers.h"
struct exposay_surface {
struct desktop_shell *shell;
diff --git a/desktop-shell/input-panel.c b/desktop-shell/input-panel.c
index aa95b9bb..1028df13 100644
--- a/desktop-shell/input-panel.c
+++ b/desktop-shell/input-panel.c
@@ -32,6 +32,7 @@
#include "shell.h"
#include "desktop-shell-server-protocol.h"
#include "input-method-server-protocol.h"
+#include "shared/helpers.h"
struct input_panel_surface {
struct wl_resource *resource;
diff --git a/fullscreen-shell/fullscreen-shell.c b/fullscreen-shell/fullscreen-shell.c
index 9b81212d..ab9c420b 100644
--- a/fullscreen-shell/fullscreen-shell.c
+++ b/fullscreen-shell/fullscreen-shell.c
@@ -34,6 +34,7 @@
#include "compositor.h"
#include "fullscreen-shell-server-protocol.h"
+#include "shared/helpers.h"
struct fullscreen_shell {
struct wl_client *client;
diff --git a/ivi-shell/hmi-controller.c b/ivi-shell/hmi-controller.c
index 34a7b24b..eae346af 100644
--- a/ivi-shell/hmi-controller.c
+++ b/ivi-shell/hmi-controller.c
@@ -60,6 +60,7 @@
#include "ivi-layout-export.h"
#include "ivi-hmi-controller-server-protocol.h"
+#include "shared/helpers.h"
/*****************************************************************************
* structure, globals
diff --git a/ivi-shell/input-panel-ivi.c b/ivi-shell/input-panel-ivi.c
index abe7a1d0..c624ef37 100644
--- a/ivi-shell/input-panel-ivi.c
+++ b/ivi-shell/input-panel-ivi.c
@@ -34,6 +34,7 @@
#include "ivi-shell.h"
#include "input-method-server-protocol.h"
#include "ivi-layout-private.h"
+#include "shared/helpers.h"
struct input_panel_surface {
struct wl_resource *resource;
diff --git a/ivi-shell/ivi-layout.c b/ivi-shell/ivi-layout.c
index 61868215..4aed4c87 100644
--- a/ivi-shell/ivi-layout.c
+++ b/ivi-shell/ivi-layout.c
@@ -63,6 +63,7 @@
#include "ivi-layout-export.h"
#include "ivi-layout-private.h"
+#include "shared/helpers.h"
#include "shared/os-compatibility.h"
struct link_layer {
diff --git a/shared/config-parser.c b/shared/config-parser.c
index 4174836d..a50773ba 100644
--- a/shared/config-parser.c
+++ b/shared/config-parser.c
@@ -39,10 +39,7 @@
#include <wayland-util.h>
#include "config-parser.h"
-
-#define container_of(ptr, type, member) ({ \
- const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
+#include "helpers.h"
struct weston_config_entry {
char *key;
diff --git a/shared/helpers.h b/shared/helpers.h
index 83f79b11..1d1e4589 100644
--- a/shared/helpers.h
+++ b/shared/helpers.h
@@ -52,6 +52,43 @@ extern "C" {
#define MIN(x,y) (((x) < (y)) ? (x) : (y))
#endif
+/**
+ * Returns a pointer the the containing struct of a given member item.
+ *
+ * To demonstrate, the following example retrieves a pointer to
+ * `example_container` given only its `destroy_listener` member:
+ *
+ * @code
+ * struct example_container {
+ * struct wl_listener destroy_listener;
+ * // other members...
+ * };
+ *
+ * void example_container_destroy(struct wl_listener *listener, void *data)
+ * {
+ * struct example_container *ctr;
+ *
+ * ctr = wl_container_of(listener, ctr, destroy_listener);
+ * // destroy ctr...
+ * }
+ * @endcode
+ *
+ * @param ptr A valid pointer to the contained item.
+ *
+ * @param type A pointer to the type of content that the list item
+ * stores. Type does not need be a valid pointer; a null or
+ * an uninitialised pointer will suffice.
+ *
+ * @param member The named location of ptr within the sample type.
+ *
+ * @return The container for the specified pointer.
+ */
+#ifndef container_of
+#define container_of(ptr, type, member) ({ \
+ const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+#endif
+
#ifdef __cplusplus
}
#endif
diff --git a/src/animation.c b/src/animation.c
index 4b69bddd..cc7482dc 100644
--- a/src/animation.c
+++ b/src/animation.c
@@ -34,6 +34,7 @@
#include <fcntl.h>
#include "compositor.h"
+#include "shared/helpers.h"
WL_EXPORT void
weston_spring_init(struct weston_spring *spring,
diff --git a/src/bindings.c b/src/bindings.c
index 5aa8b6e4..e339454c 100644
--- a/src/bindings.c
+++ b/src/bindings.c
@@ -29,6 +29,7 @@
#include <linux/input.h>
#include "compositor.h"
+#include "shared/helpers.h"
struct weston_binding {
uint32_t key;
diff --git a/src/clipboard.c b/src/clipboard.c
index 023cd411..da7dbb60 100644
--- a/src/clipboard.c
+++ b/src/clipboard.c
@@ -33,6 +33,7 @@
#include <sys/uio.h>
#include "compositor.h"
+#include "shared/helpers.h"
struct clipboard_source {
struct weston_data_source base;
diff --git a/src/cms-colord.c b/src/cms-colord.c
index b318e4bc..2adc886b 100644
--- a/src/cms-colord.c
+++ b/src/cms-colord.c
@@ -36,6 +36,7 @@
#include "compositor.h"
#include "cms-helper.h"
+#include "shared/helpers.h"
struct cms_colord {
struct weston_compositor *ec;
diff --git a/src/cms-static.c b/src/cms-static.c
index 2a3ca75b..7166f572 100644
--- a/src/cms-static.c
+++ b/src/cms-static.c
@@ -30,6 +30,7 @@
#include "compositor.h"
#include "cms-helper.h"
+#include "shared/helpers.h"
struct cms_static {
struct weston_compositor *ec;
diff --git a/src/compositor.h b/src/compositor.h
index b7b2d220..3586f5bf 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -45,10 +45,6 @@ extern "C" {
#include "zalloc.h"
#include "timeline-object.h"
-#define container_of(ptr, type, member) ({ \
- const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
struct weston_transform {
struct weston_matrix matrix;
struct wl_list link;
diff --git a/src/data-device.c b/src/data-device.c
index 8cdf2238..825b734c 100644
--- a/src/data-device.c
+++ b/src/data-device.c
@@ -32,6 +32,7 @@
#include <assert.h>
#include "compositor.h"
+#include "shared/helpers.h"
struct weston_drag {
struct wl_client *client;
diff --git a/src/libinput-device.c b/src/libinput-device.c
index 9fba25e4..2cbfb88d 100644
--- a/src/libinput-device.c
+++ b/src/libinput-device.c
@@ -38,6 +38,7 @@
#include "compositor.h"
#include "libinput-device.h"
+#include "shared/helpers.h"
#define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
diff --git a/src/libinput-seat.c b/src/libinput-seat.c
index 77571701..ce79d34e 100644
--- a/src/libinput-seat.c
+++ b/src/libinput-seat.c
@@ -37,6 +37,7 @@
#include "launcher-util.h"
#include "libinput-seat.h"
#include "libinput-device.h"
+#include "shared/helpers.h"
static const char default_seat[] = "seat0";
static const char default_seat_name[] = "default";
diff --git a/src/pixman-renderer.c b/src/pixman-renderer.c
index 23315b12..b19875d5 100644
--- a/src/pixman-renderer.c
+++ b/src/pixman-renderer.c
@@ -32,6 +32,7 @@
#include <assert.h>
#include "pixman-renderer.h"
+#include "shared/helpers.h"
#include <linux/input.h>
diff --git a/src/rpi-renderer.c b/src/rpi-renderer.c
index d2185327..204802ed 100644
--- a/src/rpi-renderer.c
+++ b/src/rpi-renderer.c
@@ -37,6 +37,7 @@
#include "compositor.h"
#include "rpi-renderer.h"
+#include "shared/helpers.h"
#ifdef ENABLE_EGL
#include <EGL/egl.h>
diff --git a/src/screen-share.c b/src/screen-share.c
index 92c4e028..6b1b34cc 100644
--- a/src/screen-share.c
+++ b/src/screen-share.c
@@ -40,6 +40,7 @@
#include <wayland-client.h>
#include "compositor.h"
+#include "shared/helpers.h"
#include "shared/os-compatibility.h"
#include "fullscreen-shell-client-protocol.h"
diff --git a/src/screenshooter.c b/src/screenshooter.c
index ecf2fddd..b7b8dce3 100644
--- a/src/screenshooter.c
+++ b/src/screenshooter.c
@@ -35,6 +35,7 @@
#include "compositor.h"
#include "screenshooter-server-protocol.h"
+#include "shared/helpers.h"
#include "wcap/wcap-decode.h"
diff --git a/src/text-backend.c b/src/text-backend.c
index 4ebbbddb..d33f7038 100644
--- a/src/text-backend.c
+++ b/src/text-backend.c
@@ -35,6 +35,7 @@
#include "compositor.h"
#include "text-server-protocol.h"
#include "input-method-server-protocol.h"
+#include "shared/helpers.h"
struct text_input_manager;
struct input_method;
diff --git a/src/zoom.c b/src/zoom.c
index 880df68c..4216607e 100644
--- a/src/zoom.c
+++ b/src/zoom.c
@@ -29,6 +29,7 @@
#include "compositor.h"
#include "text-cursor-position-server-protocol.h"
+#include "shared/helpers.h"
static void
weston_zoom_frame_z(struct weston_animation *animation,
diff --git a/tests/ivi_layout-test-plugin.c b/tests/ivi_layout-test-plugin.c
index c39a7144..b4abfbf2 100644
--- a/tests/ivi_layout-test-plugin.c
+++ b/tests/ivi_layout-test-plugin.c
@@ -35,6 +35,7 @@
#include "weston-test-server-protocol.h"
#include "ivi-test.h"
#include "ivi-shell/ivi-layout-export.h"
+#include "shared/helpers.h"
struct test_context;
diff --git a/tests/weston-test.c b/tests/weston-test.c
index f4fa5ce8..df9a1391 100644
--- a/tests/weston-test.c
+++ b/tests/weston-test.c
@@ -40,6 +40,8 @@
#include "src/weston-egl-ext.h"
#endif /* ENABLE_EGL */
+#include "shared/helpers.h"
+
struct weston_test {
struct weston_compositor *compositor;
struct weston_layer layer;
diff --git a/xwayland/launcher.c b/xwayland/launcher.c
index 83389580..db5e1d03 100644
--- a/xwayland/launcher.c
+++ b/xwayland/launcher.c
@@ -36,6 +36,7 @@
#include <signal.h>
#include "xwayland.h"
+#include "shared/helpers.h"
static int
View Lorry Controller Status