simutil: Add comprehension tlv copy

Can be used to save the state of the current iterator and 'peek' ahead.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/simutil.c b/src/simutil.c
index 941c5517..b98c0110 100644
--- a/src/simutil.c
+++ b/src/simutil.c
@@ -307,6 +307,18 @@ const unsigned char *comprehension_tlv_iter_get_data(
 	return iter->data;
 }
 
+void comprehension_tlv_iter_copy(struct comprehension_tlv_iter *from,
+					struct comprehension_tlv_iter *to)
+{
+	to->max = from->max;
+	to->pos = from->pos;
+	to->pdu = from->pdu;
+	to->tag = from->tag;
+	to->cr = from->cr;
+	to->len = from->len;
+	to->data = from->data;
+}
+
 void ber_tlv_iter_init(struct ber_tlv_iter *iter, const unsigned char *pdu,
 			unsigned int len)
 {