author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:12:20 +0200 | |
changeset 0 | f5a58ecadc66 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include <rmemcell.h> |
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#include <rmemchunk.h> |
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#include <es_mbuf.h> |
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#include <comms-infras/mbufchain.h> |
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|
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#include "upnpmemoryutils.h" |
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|
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|
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TInt TUPnPMemoryUtils::CreateMemChunk(RMemChunk& aMemChunk, RMBufChain& aData, RMemoryAllocator& aAllocator) |
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{ |
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TInt n, n1, n2; |
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TUint8* p1, *p2; |
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RMBuf* m1; |
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RMemCell* m2; |
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|
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TInt len = aData.Length(); |
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if(!len) |
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{ |
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aMemChunk.Init(); |
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return KErrNone; |
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} |
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|
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TInt err = aMemChunk.Alloc ( len, aAllocator ); |
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|
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if(err != KErrNone) |
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{ |
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return err; |
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} |
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m1 = aData.First(); |
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p1 = m1->Ptr(); |
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n1 = m1->Length(); |
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m2 = aMemChunk.First(); |
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p2 = m2->Ptr(); |
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n2 = m2->Length(); |
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|
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while (len>0) |
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{ |
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__ASSERT_DEBUG(n1>0 && n2>0, User::Invariant ()); |
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|
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n = n1 < n2 ? n1 : n2; |
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|
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Mem::Copy(p2, p1, n); |
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|
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if (n1 -= n, n1 == 0) |
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{ |
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if (m1 = m1->Next(), m1==NULL) |
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break; |
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p1 = m1->Ptr(); |
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n1 = m1->Length(); |
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} |
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else |
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p1 += n; |
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|
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if (n2 -= n, n2 == 0) |
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{ |
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if (m2 = m2->Next(), m2==NULL) |
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break; |
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p2 = m2->Ptr(); |
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n2 = m2->Length(); |
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} |
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else |
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p2 += n; |
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|
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len -= n; |
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} |
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|
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return KErrNone; |
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} |
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|
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TInt TUPnPMemoryUtils::CreateMBuf(RMBufChain& aBufChain, RMemChunk& aData) |
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{ |
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TInt n, n1, n2; |
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TUint8* p1, *p2; |
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RMemCell* m1; |
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RMBuf* m2; |
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|
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TInt len = aData.Length(); |
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|
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if(!len) |
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{ |
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aBufChain.Init(); |
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return KErrNone; |
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} |
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104 |
|
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TInt err = aBufChain.Alloc ( len ); |
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106 |
|
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107 |
if(err != KErrNone) |
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108 |
{ |
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109 |
return err; |
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110 |
} |
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111 |
m1 = aData.First(); |
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112 |
p1 = m1->Ptr(); |
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113 |
n1 = m1->Length(); |
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|
114 |
|
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115 |
m2 = aBufChain.First(); |
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116 |
p2 = m2->Ptr(); |
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117 |
n2 = m2->Length(); |
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|
118 |
|
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119 |
while (len>0) |
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120 |
{ |
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121 |
__ASSERT_DEBUG(n1>0 && n2>0, User::Invariant ()); |
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122 |
|
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123 |
n = n1 < n2 ? n1 : n2; |
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124 |
|
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125 |
Mem::Copy(p2, p1, n); |
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126 |
|
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127 |
if (n1 -= n, n1 == 0) |
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128 |
{ |
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129 |
if (m1 = m1->Next(), m1==NULL) |
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130 |
break; |
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131 |
p1 = m1->Ptr(); |
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132 |
n1 = m1->Length(); |
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133 |
} |
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134 |
else |
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135 |
p1 += n; |
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|
136 |
|
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137 |
if (n2 -= n, n2 == 0) |
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|
138 |
{ |
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Revision: 201003
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|
139 |
if (m2 = m2->Next(), m2==NULL) |
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Revision: 201003
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|
140 |
break; |
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Revision: 201003
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141 |
p2 = m2->Ptr(); |
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Revision: 201003
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|
142 |
n2 = m2->Length(); |
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parents:
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|
143 |
} |
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Revision: 201003
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|
144 |
else |
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Revision: 201003
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parents:
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|
145 |
p2 += n; |
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Revision: 201003
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parents:
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|
146 |
|
f5a58ecadc66
Revision: 201003
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parents:
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|
147 |
len -= n; |
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Revision: 201003
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parents:
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|
148 |
} |
f5a58ecadc66
Revision: 201003
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parents:
diff
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|
149 |
|
f5a58ecadc66
Revision: 201003
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parents:
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|
150 |
return KErrNone; |
f5a58ecadc66
Revision: 201003
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parents:
diff
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|
151 |
} |
f5a58ecadc66
Revision: 201003
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parents:
diff
changeset
|
152 |
|
f5a58ecadc66
Revision: 201003
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parents:
diff
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|
153 |
|
f5a58ecadc66
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
154 |