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libtgvoip/webrtc_dsp/rtc_base/platform_file.cc

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/*
* Copyright 2014 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/platform_file.h"
#if defined(WEBRTC_WIN)
#define UNICODE
#include <io.h>
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#include "rtc_base/stringtools/utils.h" // For ToUtf16
#else
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
namespace rtc {
FILE* FdopenPlatformFileForWriting(PlatformFile file) {
return FdopenPlatformFile(file, "w");
}
#if defined(WEBRTC_WIN)
const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE;
FILE* FdopenPlatformFile(PlatformFile file, const char* modes) {
if (file == kInvalidPlatformFileValue)
return nullptr;
int fd = _open_osfhandle(reinterpret_cast<intptr_t>(file), 0);
if (fd < 0)
return nullptr;
return _fdopen(fd, modes);
}
bool ClosePlatformFile(PlatformFile file) {
return CloseHandle(file) != 0;
}
bool RemoveFile(const std::string& path) {
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#if defined(WEBRTC_UWP)
return kInvalidPlatformFileValue;
#else // defined(WEBRTC_WIN)
return ::DeleteFile(ToUtf16(path).c_str()) != 0;
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#endif
}
PlatformFile OpenPlatformFile(const std::string& path) {
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#if defined(WEBRTC_UWP)
return kInvalidPlatformFileValue;
#else // defined(WEBRTC_WIN)
return ::CreateFile(ToUtf16(path).c_str(), GENERIC_READ | GENERIC_WRITE, 0,
nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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#endif // defined(WEBRTC_WIN)
}
PlatformFile OpenPlatformFileReadOnly(const std::string& path) {
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#if defined(WEBRTC_UWP)
return kInvalidPlatformFileValue;
#else // defined(WEBRTC_WIN)
return ::CreateFile(ToUtf16(path).c_str(), GENERIC_READ, FILE_SHARE_READ,
nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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#endif // defined(WEBRTC_WIN)
}
PlatformFile CreatePlatformFile(const std::string& path) {
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#if defined(WEBRTC_UWP)
return kInvalidPlatformFileValue;
#else // defined(WEBRTC_WIN)
return ::CreateFile(ToUtf16(path).c_str(), GENERIC_READ | GENERIC_WRITE, 0,
nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
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#endif // defined(WEBRTC_WIN)
}
#else // defined(WEBRTC_WIN)
const PlatformFile kInvalidPlatformFileValue = -1;
FILE* FdopenPlatformFile(PlatformFile file, const char* modes) {
return fdopen(file, modes);
}
bool ClosePlatformFile(PlatformFile file) {
return close(file) == 0;
}
bool RemoveFile(const std::string& path) {
return ::unlink(path.c_str()) == 0;
}
PlatformFile OpenPlatformFile(const std::string& path) {
return ::open(path.c_str(), O_RDWR);
}
PlatformFile OpenPlatformFileReadOnly(const std::string& path) {
return ::open(path.c_str(), O_RDONLY);
}
PlatformFile CreatePlatformFile(const std::string& path) {
return ::open(path.c_str(), O_CREAT | O_TRUNC | O_RDWR, S_IRUSR | S_IWUSR);
}
#endif
} // namespace rtc