reverse string lookup listbase function BLI_findstring counterparts, added BLI_rfindstring, BLI_rfindstring_ptr, these search from the end of the listbase (like pythons rfind).

1 files changed, 8 insertions, 1 deletions

diff --git a/source/blender/blenlib/BLI_listbase.h b/source/blender/blenlib/BLI_listbase.h
index 73af9a3738c..90556ea4b05 100644
--- a/source/blender/blenlib/BLI_listbase.h
+++ b/source/blender/blenlib/BLI_listbase.h
@@ -45,9 +45,16 @@ extern "C" {
 void BLI_insertlink(struct ListBase *listbase, void *vprevlink, void *vnewlink);
 void *BLI_findlink(const struct ListBase *listbase, int number);
 int BLI_findindex(const struct ListBase *listbase, void *vlink);
+int BLI_findstringindex(const struct ListBase *listbase, const char *id, const int offset);
+
+/* find forwards */
 void *BLI_findstring(const struct ListBase *listbase, const char *id, const int offset);
 void *BLI_findstring_ptr(const struct ListBase *listbase, const char *id, const int offset);
-int BLI_findstringindex(const struct ListBase *listbase, const char *id, const int offset);
+
+/* find backwards */
+void *BLI_rfindstring(const struct ListBase *listbase, const char *id, const int offset);
+void *BLI_rfindstring_ptr(const struct ListBase *listbase, const char *id, const int offset);
+
 void BLI_freelistN(struct ListBase *listbase);
 void BLI_addtail(struct ListBase *listbase, void *vlink);
 void BLI_remlink(struct ListBase *listbase, void *vlink);