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-rw-r--r--lib/libssl/bs_cbs.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libssl/bs_cbs.c b/lib/libssl/bs_cbs.c
index 1b513c9a0e2..1368fe0fd7f 100644
--- a/lib/libssl/bs_cbs.c
+++ b/lib/libssl/bs_cbs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bs_cbs.c,v 1.10 2015/06/16 06:11:39 doug Exp $ */
+/* $OpenBSD: bs_cbs.c,v 1.11 2015/06/17 07:00:22 doug Exp $ */
/*
* Copyright (c) 2014, Google Inc.
*
@@ -28,6 +28,7 @@ void
CBS_init(CBS *cbs, const uint8_t *data, size_t len)
{
cbs->data = data;
+ cbs->initial_len = len;
cbs->len = len;
}
@@ -43,6 +44,12 @@ cbs_get(CBS *cbs, const uint8_t **p, size_t n)
return 1;
}
+size_t
+CBS_offset(const CBS *cbs)
+{
+ return cbs->initial_len - cbs->len;
+}
+
int
CBS_skip(CBS *cbs, size_t len)
{