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1 /* | |
2 * Copyright 2014 The WebRTC Project Authors. All rights reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/base/platform_file.h" | |
12 | |
13 #if defined(WEBRTC_WIN) | |
14 #include <io.h> | |
15 #else | |
16 #include <fcntl.h> | |
17 #include <sys/stat.h> | |
18 #include <sys/types.h> | |
19 #include <unistd.h> | |
20 #endif | |
21 | |
22 namespace rtc { | |
23 | |
24 #if defined(WEBRTC_WIN) | |
25 const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE; | |
26 | |
27 FILE* FdopenPlatformFileForWriting(PlatformFile file) { | |
28 if (file == kInvalidPlatformFileValue) | |
29 return nullptr; | |
30 int fd = _open_osfhandle(reinterpret_cast<intptr_t>(file), 0); | |
31 if (fd < 0) | |
32 return nullptr; | |
33 | |
34 return _fdopen(fd, "w"); | |
35 } | |
36 | |
37 bool ClosePlatformFile(PlatformFile file) { | |
38 return CloseHandle(file) != 0; | |
39 } | |
40 | |
41 bool RemoveFile(const std::string& path) { | |
42 return ::DeleteFile(ToUtf16(path).c_str()) != 0; | |
43 } | |
44 | |
45 PlatformFile OpenPlatformFile(const std::string& path) { | |
46 return ::CreateFile(ToUtf16(path).c_str(), GENERIC_READ | GENERIC_WRITE, 0, | |
47 nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr); | |
48 } | |
49 | |
50 PlatformFile CreatePlatformFile(const std::string& path) { | |
51 return ::CreateFile(ToUtf16(path).c_str(), GENERIC_READ | GENERIC_WRITE, 0, | |
52 nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr); | |
53 } | |
54 | |
55 #else // defined(WEBRTC_WIN) | |
56 | |
57 const PlatformFile kInvalidPlatformFileValue = -1; | |
58 | |
59 FILE* FdopenPlatformFileForWriting(PlatformFile file) { | |
60 return fdopen(file, "w"); | |
61 } | |
62 | |
63 bool ClosePlatformFile(PlatformFile file) { | |
64 return close(file); | |
65 } | |
66 | |
67 bool RemoveFile(const std::string& path) { | |
68 return ::unlink(path.c_str()) == 0; | |
69 } | |
70 | |
71 PlatformFile OpenPlatformFile(const std::string& path) { | |
72 return ::open(path.c_str(), O_RDWR); | |
73 } | |
74 | |
75 PlatformFile CreatePlatformFile(const std::string& path) { | |
76 return ::open(path.c_str(), O_CREAT | O_TRUNC | O_RDWR, S_IRUSR | S_IWUSR); | |
77 } | |
78 | |
79 #endif | |
80 | |
81 } // namespace rtc | |
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