From 0bf6ecbe2d20b398c509a2a122cd7821dca2f0b9 Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Thu, 22 Feb 2018 16:38:43 +0000
Subject: Provide BIO_up_ref().

---
 src/lib/libcrypto/bio/bio_lib.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/lib/libcrypto/bio/bio_lib.c')

diff --git a/src/lib/libcrypto/bio/bio_lib.c b/src/lib/libcrypto/bio/bio_lib.c
index 8ad54cefd2..ddab542881 100644
--- a/src/lib/libcrypto/bio/bio_lib.c
+++ b/src/lib/libcrypto/bio/bio_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio_lib.c,v 1.26 2018/02/20 17:55:26 tb Exp $ */
+/* $OpenBSD: bio_lib.c,v 1.27 2018/02/22 16:38:43 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -151,6 +151,13 @@ BIO_vfree(BIO *a)
 	BIO_free(a);
 }
 
+int
+BIO_up_ref(BIO *bio)
+{
+	int refs = CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO);
+	return (refs > 1) ? 1 : 0;
+}
+
 void *
 BIO_get_data(BIO *a)
 {
-- 
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