1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CRYPTO_SCOPED_NSS_TYPES_H_ 6 #define CRYPTO_SCOPED_NSS_TYPES_H_ 7 #pragma once 8 9 #include <nss.h> 10 #include <pk11pub.h> 11 12 #include "base/memory/scoped_ptr.h" 13 14 namespace crypto { 15 16 template <typename Type, void (*Destroyer)(Type*)> 17 struct NSSDestroyer { operatorNSSDestroyer18 void operator()(Type* ptr) const { 19 if (ptr) 20 Destroyer(ptr); 21 } 22 }; 23 24 template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit> 25 struct NSSDestroyer1 { operatorNSSDestroyer126 void operator()(Type* ptr) const { 27 if (ptr) 28 Destroyer(ptr, freeit); 29 } 30 }; 31 32 // Define some convenient scopers around NSS pointers. 33 typedef scoped_ptr_malloc< 34 PK11Context, NSSDestroyer1<PK11Context, 35 PK11_DestroyContext, 36 PR_TRUE> > ScopedPK11Context; 37 typedef scoped_ptr_malloc< 38 PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot> > ScopedPK11Slot; 39 typedef scoped_ptr_malloc< 40 PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey; 41 typedef scoped_ptr_malloc< 42 SECAlgorithmID, NSSDestroyer1<SECAlgorithmID, 43 SECOID_DestroyAlgorithmID, 44 PR_TRUE> > ScopedSECAlgorithmID; 45 typedef scoped_ptr_malloc< 46 SECItem, NSSDestroyer1<SECItem, 47 SECITEM_FreeItem, 48 PR_TRUE> > ScopedSECItem; 49 50 } // namespace crypto 51 52 #endif // CRYPTO_SCOPED_NSS_TYPES_H_ 53