ghash/bli-listbase edits, rename BLI_ghash_pop -> BLI_ghash_popkey (since it takes a key as an arg and isnt popping any element from the hash as you might expect).

add BLI_pophead/tail, since getting the first element from a list and removing it is a common task.

1 files changed, 24 insertions, 0 deletions

diff --git a/source/blender/blenlib/intern/listbase.c b/source/blender/blenlib/intern/listbase.c
index ded4f31ae05..c4644ff6309 100644
--- a/source/blender/blenlib/intern/listbase.c
+++ b/source/blender/blenlib/intern/listbase.c
@@ -129,6 +129,30 @@ bool BLI_remlink_safe(ListBase *listbase, void *vlink)
 	}
 }
 
+/**
+ * Removes the head from \a listbase and returns it.
+ */
+void *BLI_pophead(ListBase *listbase)
+{
+	Link *link;
+	if ((link = listbase->first)) {
+		BLI_remlink(listbase, link);
+	}
+	return link;
+}
+
+
+/**
+ * Removes the tail from \a listbase and returns it.
+ */
+void *BLI_poptail(ListBase *listbase)
+{
+	Link *link;
+	if ((link = listbase->last)) {
+		BLI_remlink(listbase, link);
+	}
+	return link;
+}
 
 /**
  * Removes \a vlink from listbase and disposes of it. Assumes it is linked into there!