X-Git-Url: https://code.kerkeslager.com/?p=fur;a=blobdiff_plain;f=c%2Frope.c;h=2cab922c3d158c4ae6eca52ea9f504e00aec449b;hp=716a5af76e999592bf1359812a0742d78b250ef2;hb=378e2971c2f78a9b79453bd47d2ddc658017a44d;hpb=64ef22e135f7c790f0cd80956d8bdf7fa0268148

diff --git a/c/rope.c b/c/rope.c
index 716a5af..2cab922 100644
--- a/c/rope.c
+++ b/c/rope.c
@@ -87,4 +87,13 @@ Rope* Rope_concatenate(Rope* r0, Rope* r1) {
   return result;
 }
 
+__attribute__((pure)) size_t Rope_length(Rope* self) {
+  switch(self->type) {
+    case ROPETYPE_CONCATENATION:
+      return Rope_length(self->instance.concatenation.r0) + Rope_length(self->instance.concatenation.r0);
+    case ROPETYPE_STRING:
+      return self->instance.string.length;
+  }
+}
+
 #endif