Index: crypto/auto_cbb.h |
diff --git a/crypto/auto_cbb.h b/crypto/auto_cbb.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5206a214f97cc1be8ddb9622ba27648926cba350 |
--- /dev/null |
+++ b/crypto/auto_cbb.h |
@@ -0,0 +1,35 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CRYPTO_AUTO_CBB_H_ |
+#define CRYPTO_AUTO_CBB_H_ |
+ |
+#include <openssl/bytestring.h> |
+ |
+#include "base/macros.h" |
+ |
+namespace crypto { |
+ |
+// AutoCBB is a wrapper over OpenSSL's CBB type that automatically releases |
+// resources when going out of scope. |
+class AutoCBB { |
+ public: |
+ AutoCBB() { CBB_zero(&cbb_); } |
+ ~AutoCBB() { CBB_cleanup(&cbb_); } |
+ |
+ CBB* get() { return &cbb_; } |
+ |
+ void Reset() { |
+ CBB_cleanup(&cbb_); |
+ CBB_zero(&cbb_); |
+ } |
+ |
+ private: |
+ CBB cbb_; |
Ryan Sleevi
2016/02/26 23:16:08
Grumble grumble on over-abbreviated type names but
davidben
2016/02/26 23:45:35
Actually, this type's completely our fault. :-) I
|
+ DISALLOW_COPY_AND_ASSIGN(AutoCBB); |
+}; |
+ |
+} // namespace crypto |
+ |
+#endif // CRYPTO_AUTO_CBB_H_ |