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1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). |
1 // Copyright (c) 1994-2010 Nokia Corporation and/or its subsidiary(-ies). |
2 // All rights reserved. |
2 // All rights reserved. |
3 // This component and the accompanying materials are made available |
3 // This component and the accompanying materials are made available |
4 // under the terms of the License "Eclipse Public License v1.0" |
4 // under the terms of the License "Eclipse Public License v1.0" |
5 // which accompanies this distribution, and is available |
5 // which accompanies this distribution, and is available |
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
117 K::PanicKernExec(EKUDesSetLengthInvalidType); |
117 K::PanicKernExec(EKUDesSetLengthInvalidType); |
118 } |
118 } |
119 |
119 |
120 // The random number generator requires a temporary buffer to write the data to, before we write it back to |
120 // The random number generator requires a temporary buffer to write the data to, before we write it back to |
121 // userspace's buffer. The buffer is allocated here on the stack to avoid having to heap-allocate, and if |
121 // userspace's buffer. The buffer is allocated here on the stack to avoid having to heap-allocate, and if |
122 // the requested amount of data is larger, a loop is used. 2048 bytes will always fit onto the stack in an |
122 // the requested amount of data is larger, a loop is used. 1024 bytes will always fit onto the stack in an |
123 // exec handler. |
123 // exec handler. |
124 const TInt KRandomBufferSize = 2048; |
124 const TInt KRandomBufferSize = 1024; |
125 TBuf8<KRandomBufferSize> randomBuffer; |
125 TBuf8<KRandomBufferSize> randomBuffer; |
126 |
126 |
127 TInt err = KErrNone; |
127 TInt err = KErrNone; |
128 TBool isKErrNotReadyTrue = EFalse; |
128 TBool isKErrNotReadyTrue = EFalse; |
129 while(randomValueLength > 0) |
129 while(randomValueLength > 0) |