VeraCrypt
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-rw-r--r--src/Platform/Buffer.cpp280
1 files changed, 140 insertions, 140 deletions
diff --git a/src/Platform/Buffer.cpp b/src/Platform/Buffer.cpp
index 4b2ac528..2d2a9217 100644
--- a/src/Platform/Buffer.cpp
+++ b/src/Platform/Buffer.cpp
@@ -8,143 +8,143 @@
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages.
-*/
-
-#include "Buffer.h"
-#include "Exception.h"
-
-namespace VeraCrypt
-{
- Buffer::Buffer () : DataPtr (nullptr), DataSize (0)
- {
- }
-
- Buffer::Buffer (size_t size) : DataPtr (nullptr), DataSize (0)
- {
- Allocate (size);
- }
-
- Buffer::~Buffer ()
- {
- if (DataPtr != nullptr)
- Free ();
- }
-
- void Buffer::Allocate (size_t size)
- {
- if (size < 1)
- throw ParameterIncorrect (SRC_POS);
-
- if (DataPtr != nullptr)
- {
- if (DataSize == size)
- return;
- Free();
- }
-
- try
- {
- DataPtr = static_cast<byte *> (Memory::Allocate (size));
- DataSize = size;
- }
- catch (...)
- {
- DataPtr = nullptr;
- DataSize = 0;
- throw;
- }
- }
-
- void Buffer::CopyFrom (const ConstBufferPtr &bufferPtr)
- {
- if (!IsAllocated ())
- {
- if (bufferPtr.Size())
- Allocate (bufferPtr.Size());
- }
- else if (bufferPtr.Size() > DataSize)
- throw ParameterTooLarge (SRC_POS);
-
- if (bufferPtr.Size())
- Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
- }
-
- void Buffer::Erase ()
- {
- if (DataSize > 0)
- Memory::Erase (DataPtr, DataSize);
- }
-
- void Buffer::Free ()
- {
- if (DataPtr == nullptr)
- throw NotInitialized (SRC_POS);
-
- Memory::Free (DataPtr);
- DataPtr = nullptr;
- DataSize = 0;
- }
-
- BufferPtr Buffer::GetRange (size_t offset, size_t size) const
- {
- if (offset + size > DataSize)
- throw ParameterIncorrect (SRC_POS);
-
- return BufferPtr (DataPtr + offset, size);
- }
-
- void Buffer::Zero ()
- {
- if (DataSize > 0)
- Memory::Zero (DataPtr, DataSize);
- }
-
- SecureBuffer::SecureBuffer (size_t size)
- {
- Allocate (size);
- }
-
- SecureBuffer::~SecureBuffer ()
- {
- if (DataPtr != nullptr && DataSize != 0)
- Free ();
- }
-
- void SecureBuffer::Allocate (size_t size)
- {
- Buffer::Allocate (size);
- }
-
- void SecureBuffer::Free ()
- {
- if (DataPtr == nullptr)
- throw NotInitialized (SRC_POS);
-
- Erase ();
- Buffer::Free ();
- }
-
- void BufferPtr::CopyFrom (const ConstBufferPtr &bufferPtr) const
- {
- if (bufferPtr.Size() > DataSize)
- throw ParameterTooLarge (SRC_POS);
-
- Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
- }
-
- BufferPtr BufferPtr::GetRange (size_t offset, size_t size) const
- {
- if (offset + size > DataSize)
- throw ParameterIncorrect (SRC_POS);
-
- return BufferPtr (DataPtr + offset, size);
- }
-
- ConstBufferPtr ConstBufferPtr::GetRange (size_t offset, size_t size) const
- {
- if (offset + size > DataSize)
- throw ParameterIncorrect (SRC_POS);
-
- return ConstBufferPtr (DataPtr + offset, size);
- }
-}
+*/
+
+#include "Buffer.h"
+#include "Exception.h"
+
+namespace VeraCrypt
+{
+ Buffer::Buffer () : DataPtr (nullptr), DataSize (0)
+ {
+ }
+
+ Buffer::Buffer (size_t size) : DataPtr (nullptr), DataSize (0)
+ {
+ Allocate (size);
+ }
+
+ Buffer::~Buffer ()
+ {
+ if (DataPtr != nullptr)
+ Free ();
+ }
+
+ void Buffer::Allocate (size_t size)
+ {
+ if (size < 1)
+ throw ParameterIncorrect (SRC_POS);
+
+ if (DataPtr != nullptr)
+ {
+ if (DataSize == size)
+ return;
+ Free();
+ }
+
+ try
+ {
+ DataPtr = static_cast<byte *> (Memory::Allocate (size));
+ DataSize = size;
+ }
+ catch (...)
+ {
+ DataPtr = nullptr;
+ DataSize = 0;
+ throw;
+ }
+ }
+
+ void Buffer::CopyFrom (const ConstBufferPtr &bufferPtr)
+ {
+ if (!IsAllocated ())
+ {
+ if (bufferPtr.Size())
+ Allocate (bufferPtr.Size());
+ }
+ else if (bufferPtr.Size() > DataSize)
+ throw ParameterTooLarge (SRC_POS);
+
+ if (bufferPtr.Size())
+ Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
+ }
+
+ void Buffer::Erase ()
+ {
+ if (DataSize > 0)
+ Memory::Erase (DataPtr, DataSize);
+ }
+
+ void Buffer::Free ()
+ {
+ if (DataPtr == nullptr)
+ throw NotInitialized (SRC_POS);
+
+ Memory::Free (DataPtr);
+ DataPtr = nullptr;
+ DataSize = 0;
+ }
+
+ BufferPtr Buffer::GetRange (size_t offset, size_t size) const
+ {
+ if (offset + size > DataSize)
+ throw ParameterIncorrect (SRC_POS);
+
+ return BufferPtr (DataPtr + offset, size);
+ }
+
+ void Buffer::Zero ()
+ {
+ if (DataSize > 0)
+ Memory::Zero (DataPtr, DataSize);
+ }
+
+ SecureBuffer::SecureBuffer (size_t size)
+ {
+ Allocate (size);
+ }
+
+ SecureBuffer::~SecureBuffer ()
+ {
+ if (DataPtr != nullptr && DataSize != 0)
+ Free ();
+ }
+
+ void SecureBuffer::Allocate (size_t size)
+ {
+ Buffer::Allocate (size);
+ }
+
+ void SecureBuffer::Free ()
+ {
+ if (DataPtr == nullptr)
+ throw NotInitialized (SRC_POS);
+
+ Erase ();
+ Buffer::Free ();
+ }
+
+ void BufferPtr::CopyFrom (const ConstBufferPtr &bufferPtr) const
+ {
+ if (bufferPtr.Size() > DataSize)
+ throw ParameterTooLarge (SRC_POS);
+
+ Memory::Copy (DataPtr, bufferPtr.Get(), bufferPtr.Size());
+ }
+
+ BufferPtr BufferPtr::GetRange (size_t offset, size_t size) const
+ {
+ if (offset + size > DataSize)
+ throw ParameterIncorrect (SRC_POS);
+
+ return BufferPtr (DataPtr + offset, size);
+ }
+
+ ConstBufferPtr ConstBufferPtr::GetRange (size_t offset, size_t size) const
+ {
+ if (offset + size > DataSize)
+ throw ParameterIncorrect (SRC_POS);
+
+ return ConstBufferPtr (DataPtr + offset, size);
+ }
+}