do not use EINA_FALSE instead of NULL

src/lib/ecore_evas/ecore_evas.c

@@ -2377,7 +2377,7 @@ ecore_evas_window_group_get(const Ecore_Evas *ee)
      {
         ECORE_MAGIC_FAIL(ee, ECORE_MAGIC_EVAS,
                          "XXX");
-        return EINA_FALSE;
+        return NULL;
      }
    return ee->prop.group_ee;
 }

src/lib/edje/edje_edit.c

@@ -7126,13 +7126,13 @@ edje_edit_source_generate(Evas_Object *obj)
    Eina_List *images = NULL, *color_classes = NULL, *styles = NULL, *fonts = NULL;
    Eina_List *l;
 
-   GET_ED_OR_RETURN(EINA_FALSE);
+   GET_ED_OR_RETURN(NULL);
-   GET_EED_OR_RETURN(EINA_FALSE);
+   GET_EED_OR_RETURN(NULL);
 
    if (!ed->file) return NULL;
 
    ce = eina_hash_find(ed->file->collection, ed->group);
-   if (!ce) return EINA_FALSE;
+   if (!ce) return NULL;
 
    /* Go through all of group's parts to find all resources needed for that group. */
    for (i = 0; i < ed->table_parts_size; i++)

src/lib/edje/edje_external.c

@@ -476,13 +476,13 @@ _edje_external_content_get(const Evas_Object *obj, const char *content)
    if (!type)
      {
 	ERR("no external type for object %p", obj);
-	return EINA_FALSE;
+	return NULL;
      }
    if (!type->content_get)
      {
 	ERR("external type '%s' from module '%s' does not provide content_get()",
 	    type->module_name, type->module);
-	return EINA_FALSE;
+	return NULL;
      }
    return type->content_get(type->data, obj, content);
 }

src/lib/eeze/eeze_disk_udev.c

@@ -86,5 +86,5 @@ eeze_disk_udev_walk_get_sysattr(Eeze_Disk *disk,
         test = udev_device_get_sysattr_value(parent, sysattr);
         if (test) return eina_stringshare_add(test);
      }
-   return EINA_FALSE;
+   return NULL;
 }

src/lib/eeze/eeze_sensor.c

@@ -188,7 +188,7 @@ eeze_sensor_new(Eeze_Sensor_Type type)
    if (!module)
      {
       free(sens);
-      return EINA_FALSE;
+      return NULL;
      }
 
    if (!module->read)

src/lib/eina/eina_value.c

@@ -5113,7 +5113,7 @@ eina_value_array_new(const Eina_Value_Type *subtype, unsigned int step)
 {
    Eina_Value *value;
 
-   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), EINA_FALSE);
+   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), NULL);
 
    value = eina_mempool_malloc(_eina_value_mp, sizeof(Eina_Value));
    if (!value)
@@ -5133,7 +5133,7 @@ eina_value_list_new(const Eina_Value_Type *subtype)
 {
    Eina_Value *value;
 
-   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), EINA_FALSE);
+   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), NULL);
 
    value = eina_mempool_malloc(_eina_value_mp, sizeof(Eina_Value));
    if (!value)
@@ -5153,7 +5153,7 @@ eina_value_hash_new(const Eina_Value_Type *subtype, unsigned int buckets_power_s
 {
    Eina_Value *value;
 
-   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), EINA_FALSE);
+   EINA_SAFETY_ON_FALSE_RETURN_VAL(eina_value_type_check(subtype), NULL);
 
    value = eina_mempool_malloc(_eina_value_mp, sizeof(Eina_Value));
    if (!value)

src/lib/eio/eio_file.c

@@ -614,7 +614,7 @@ eio_file_check(Eio_File *ls)
 EAPI void *
 eio_file_container_get(Eio_File *ls)
 {
-   EINA_SAFETY_ON_NULL_RETURN_VAL(ls, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(ls, NULL);
    return ls->container;
 }
 

src/lib/eldbus/eldbus_service.c

@@ -936,10 +936,10 @@ _eldbus_service_interface_register(Eldbus_Connection *conn, const char *path, co
    const Eldbus_Property *property;
    Eina_Array *signatures;
 
-   EINA_SAFETY_ON_NULL_RETURN_VAL(conn, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(conn, NULL);
-   EINA_SAFETY_ON_NULL_RETURN_VAL(path, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(path, NULL);
-   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
-   EINA_SAFETY_ON_NULL_RETURN_VAL(desc->interface, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(desc->interface, NULL);
 
    if (!dbus_connection_get_object_path_data(conn->dbus_conn, path,
                                              (void*)&obj))
@@ -1380,9 +1380,9 @@ EAPI Eldbus_Message *
 eldbus_service_signal_new(const Eldbus_Service_Interface *iface, unsigned int signal_id)
 {
    unsigned size;
-   ELDBUS_SERVICE_INTERFACE_CHECK_RETVAL(iface, EINA_FALSE);
+   ELDBUS_SERVICE_INTERFACE_CHECK_RETVAL(iface, NULL);
    size = eina_array_count(iface->sign_of_signals);
-   EINA_SAFETY_ON_FALSE_RETURN_VAL(signal_id < size, EINA_FALSE);
+   EINA_SAFETY_ON_FALSE_RETURN_VAL(signal_id < size, NULL);
 
    return eldbus_message_signal_new(iface->obj->path, iface->name,
                                    iface->signals[signal_id].name);

src/lib/eolian/eolian_database.c

@@ -319,7 +319,7 @@ EAPI const char *
 eolian_class_description_get(const char *class_name)
 {
    Class_desc *desc = _class_get(class_name);
-   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
    return desc->description;
 }
 

src/lib/evas/canvas/evas_gl.c

@@ -245,7 +245,7 @@ EAPI const char *
 evas_gl_string_query(Evas_GL *evas_gl, int name)
 {
    MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
-   return EINA_FALSE;
+   return NULL;
    MAGIC_CHECK_END();
 
    return (const char *)evas_gl->evas->engine.func->gl_string_query(evas_gl->evas->engine.data.output, name);
@@ -255,7 +255,7 @@ EAPI Evas_GL_Func
 evas_gl_proc_address_get(Evas_GL *evas_gl, const char *name)
 {
    MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
-   return EINA_FALSE;
+   return NULL;
    MAGIC_CHECK_END();
 
    return (Evas_GL_Func)evas_gl->evas->engine.func->gl_proc_address_get(evas_gl->evas->engine.data.output, name);

src/lib/evas/filters/evas_filter.c

@@ -432,7 +432,7 @@ _rgba_image_alloc(Evas_Filter_Buffer const *fb, void *data)
                      (evas_common_image_cache_get(), fb->w, fb->h, data, EINA_TRUE, cspace);
           }
      }
-   if (!image) return EINA_FALSE;
+   if (!image) return NULL;
 
    if (fb->alpha_only)
      sz = image->cache_entry.w * image->cache_entry.h * sizeof(DATA8);

src/modules/ecore_evas/engines/extn/ecore_evas_extn_buf.c

@@ -123,7 +123,7 @@ _extnbuf_lock(Extnbuf *b, int *w, int *h, int *stride)
              if (lockf(b->lockfd, F_LOCK, 0) < 0)
                {
                   ERR("lock take fail");
-                  return EINA_FALSE;
+                  return NULL;
                }
           }
         b->have_lock = EINA_TRUE;

src/modules/evas/loaders/eet/evas_image_load_eet.c

@@ -25,7 +25,7 @@ evas_image_load_file_open_eet(Eina_File *f, Eina_Stringshare *key,
    if (!key)
      {
 	*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
-	return EINA_FALSE;
+	return NULL;
      }
 
    loader = calloc(1, sizeof (Evas_Loader_Internal));