2 files changed, 9 insertions, 0 deletions
diff --git a/src/runtime/c/gu/seq.c b/src/runtime/c/gu/seq.c
index 2c3d6c3e3..2b99df318 100644
--- a/src/runtime/c/gu/seq.c
+++ b/src/runtime/c/gu/seq.c
@@ -136,6 +136,12 @@ gu_buf_data(GuBuf* buf)
 	return &buf->seq->data;
 }
 
+void*
+gu_buf_last(GuBuf* buf)
+{
+	return buf->seq->data + buf->elem_size*(buf->seq->len-1);
+}
+
 GuSeq*
 gu_buf_data_seq(GuBuf* buf)
 {
diff --git a/src/runtime/c/gu/seq.h b/src/runtime/c/gu/seq.h
index 5accb0b24..034620140 100644
--- a/src/runtime/c/gu/seq.h
+++ b/src/runtime/c/gu/seq.h
@@ -65,6 +65,9 @@ gu_buf_avail(GuBuf* buf);
 void*
 gu_buf_data(GuBuf* buf);
 
+void*
+gu_buf_last(GuBuf* buf);
+
 GuSeq*
 gu_buf_data_seq(GuBuf* buf);