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Diffstat (limited to 'crypto/scoped_nss_types.h')
-rw-r--r-- | crypto/scoped_nss_types.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/crypto/scoped_nss_types.h b/crypto/scoped_nss_types.h new file mode 100644 index 0000000..3e84cb0 --- /dev/null +++ b/crypto/scoped_nss_types.h @@ -0,0 +1,52 @@ +// Copyright (c) 2011 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_SCOPED_NSS_TYPES_H_ +#define CRYPTO_SCOPED_NSS_TYPES_H_ +#pragma once + +#include <nss.h> +#include <pk11pub.h> + +#include "base/memory/scoped_ptr.h" + +namespace crypto { + +template <typename Type, void (*Destroyer)(Type*)> +struct NSSDestroyer { + void operator()(Type* ptr) const { + if (ptr) + Destroyer(ptr); + } +}; + +template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit> +struct NSSDestroyer1 { + void operator()(Type* ptr) const { + if (ptr) + Destroyer(ptr, freeit); + } +}; + +// Define some convenient scopers around NSS pointers. +typedef scoped_ptr_malloc< + PK11Context, NSSDestroyer1<PK11Context, + PK11_DestroyContext, + PR_TRUE> > ScopedPK11Context; +typedef scoped_ptr_malloc< + PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot> > ScopedPK11Slot; +typedef scoped_ptr_malloc< + PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey; +typedef scoped_ptr_malloc< + SECAlgorithmID, NSSDestroyer1<SECAlgorithmID, + SECOID_DestroyAlgorithmID, + PR_TRUE> > ScopedSECAlgorithmID; +typedef scoped_ptr_malloc< + SECItem, NSSDestroyer1<SECItem, + SECITEM_FreeItem, + PR_TRUE> > ScopedSECItem; + +} // namespace crypto + +#endif // CRYPTO_SCOPED_NSS_TYPES_H_ |