1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 13 * its contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "SharedBuffer.h" 31 32 namespace WebCore { 33 34 PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath) 35 { 36 if (filePath.isEmpty()) 37 return 0; 38 39 String nullifiedPath = filePath; 40 FILE* fileDescriptor = 0; 41 if (_wfopen_s(&fileDescriptor, nullifiedPath.charactersWithNullTermination(), TEXT("rb")) || !fileDescriptor) { 42 LOG_ERROR("Failed to open file %s to create shared buffer, errno(%i)", filePath.ascii().data(), errno); 43 return 0; 44 } 45 46 RefPtr<SharedBuffer> result; 47 48 // Stat the file to get its size 49 struct _stat64 fileStat; 50 if (_fstat64(_fileno(fileDescriptor), &fileStat)) 51 goto exit; 52 53 result = SharedBuffer::create(); 54 result->m_buffer.resize(fileStat.st_size); 55 if (result->m_buffer.size() != fileStat.st_size) { 56 result = 0; 57 goto exit; 58 } 59 60 result->m_size = result->m_buffer.size(); 61 62 if (fread(result->m_buffer.data(), 1, fileStat.st_size, fileDescriptor) != fileStat.st_size) 63 LOG_ERROR("Failed to fully read contents of file %s - errno(%i)", filePath.ascii().data(), errno); 64 65 exit: 66 fclose(fileDescriptor); 67 return result.release(); 68 } 69 70 }; // namespace WebCore 71