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// Copyright (c) 2012 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_
#include <keyhi.h>
#include <nss.h>
#include <pk11pub.h>
#include <plarena.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<
PK11SlotList, NSSDestroyer<PK11SlotList,
PK11_FreeSlotList> > ScopedPK11SlotList;
typedef scoped_ptr_malloc<
PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey;
typedef scoped_ptr_malloc<
SECKEYPublicKey, NSSDestroyer<SECKEYPublicKey, SECKEY_DestroyPublicKey> >
ScopedSECKEYPublicKey;
typedef scoped_ptr_malloc<
SECKEYPrivateKey, NSSDestroyer<SECKEYPrivateKey, SECKEY_DestroyPrivateKey> >
ScopedSECKEYPrivateKey;
typedef scoped_ptr_malloc<
SECAlgorithmID, NSSDestroyer1<SECAlgorithmID,
SECOID_DestroyAlgorithmID,
PR_TRUE> > ScopedSECAlgorithmID;
typedef scoped_ptr_malloc<
SECItem, NSSDestroyer1<SECItem,
SECITEM_FreeItem,
PR_TRUE> > ScopedSECItem;
typedef scoped_ptr_malloc<
PLArenaPool, NSSDestroyer1<PLArenaPool,
PORT_FreeArena,
PR_FALSE> > ScopedPLArenaPool;
} // namespace crypto
#endif // CRYPTO_SCOPED_NSS_TYPES_H_
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