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
createWithContentsOfFile(const String & filePath)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