ListBase API: add utility api funcs for clearing and checking empty

3 files changed, 4 insertions, 4 deletions

diff --git a/source/blender/imbuf/intern/cache.c b/source/blender/imbuf/intern/cache.c
index 4be521218f1..0c17dd21434 100644
--- a/source/blender/imbuf/intern/cache.c
+++ b/source/blender/imbuf/intern/cache.c
@@ -375,7 +375,7 @@ static unsigned int *imb_thread_cache_get_tile(ImThreadTileCache *cache, ImBuf *
 	}
 
 	/* not found, have to do slow lookup in global cache */
-	if (cache->unused.first == NULL) {
+	if (BLI_listbase_is_empty(&cache->unused)) {
 		ttile = cache->tiles.last;
 		replacetile = ttile->global;
 		BLI_remlink(&cache->tiles, ttile);
diff --git a/source/blender/imbuf/intern/colormanagement.c b/source/blender/imbuf/intern/colormanagement.c
index e5884f78b75..e8ffdc83240 100644
--- a/source/blender/imbuf/intern/colormanagement.c
+++ b/source/blender/imbuf/intern/colormanagement.c
@@ -583,7 +583,7 @@ static void colormanage_free_config(void)
 
 		colorspace = colorspace_next;
 	}
-	global_colorspaces.first = global_colorspaces.last = NULL;
+	BLI_listbase_clear(&global_colorspaces);
 	global_tot_colorspace = 0;
 
 	/* free displays */
@@ -604,7 +604,7 @@ static void colormanage_free_config(void)
 		MEM_freeN(display);
 		display = display_next;
 	}
-	global_displays.first = global_displays.last = NULL;
+	BLI_listbase_clear(&global_displays);
 	global_tot_display = 0;
 
 	/* free views */
diff --git a/source/blender/imbuf/intern/openexr/openexr_api.cpp b/source/blender/imbuf/intern/openexr/openexr_api.cpp
index 6acd5154561..401070cd799 100644
--- a/source/blender/imbuf/intern/openexr/openexr_api.cpp
+++ b/source/blender/imbuf/intern/openexr/openexr_api.cpp
@@ -815,7 +815,7 @@ void IMB_exr_multilayer_convert(void *handle, void *base,
 	ExrLayer *lay;
 	ExrPass *pass;
 
-	if (data->layers.first == NULL) {
+	if (BLI_listbase_is_empty(&data->layers)) {
 		printf("cannot convert multilayer, no layers in handle\n");
 		return;
 	}