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Diffstat (limited to 'Source/WebCore/platform/win/SharedBufferWin.cpp')
-rw-r--r-- | Source/WebCore/platform/win/SharedBufferWin.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/SharedBufferWin.cpp b/Source/WebCore/platform/win/SharedBufferWin.cpp new file mode 100644 index 000000000..2aab3cd42 --- /dev/null +++ b/Source/WebCore/platform/win/SharedBufferWin.cpp @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2007 Apple Inc. All rights reserved. + * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "SharedBuffer.h" +#include <wtf/text/CString.h> + +namespace WebCore { + +RefPtr<SharedBuffer> SharedBuffer::createFromReadingFile(const String& filePath) +{ + if (filePath.isEmpty()) + return 0; + + String nullifiedPath = filePath; + HANDLE fileHandle = CreateFileW(nullifiedPath.charactersWithNullTermination().data(), GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); + if (fileHandle == INVALID_HANDLE_VALUE) { + LOG_ERROR("Failed to open file %s to create shared buffer, GetLastError() = %u", filePath.ascii().data(), GetLastError()); + return 0; + } + + RefPtr<SharedBuffer> result; + DWORD bytesToRead = GetFileSize(fileHandle, 0); + DWORD lastError = GetLastError(); + + if (bytesToRead != INVALID_FILE_SIZE || lastError == NO_ERROR) { + Vector<char> buffer(bytesToRead); + DWORD bytesRead; + if (ReadFile(fileHandle, buffer.data(), bytesToRead, &bytesRead, 0) && bytesToRead == bytesRead) + result = SharedBuffer::adoptVector(buffer); + else + LOG_ERROR("Failed to fully read contents of file %s, GetLastError() = %u", filePath.ascii().data(), GetLastError()); + } else + LOG_ERROR("Failed to get filesize of file %s, GetLastError() = %u", filePath.ascii().data(), lastError); + + CloseHandle(fileHandle); + return result.release(); +} + +} // namespace WebCore |