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//===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines things specific to Win32 implementations.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic Win32 code that
//=== is guaranteed to work on *all* Win32 variants.
//===----------------------------------------------------------------------===//
// mingw-w64 tends to define it as 0x0502 in its headers.
#undef _WIN32_WINNT
// Require at least Windows XP(5.1) API.
#define _WIN32_WINNT 0x0501
#define _WIN32_IE 0x0600 // MinGW at it again.
#define WIN32_LEAN_AND_MEAN
#include "llvm/Config/config.h" // Get build system configuration settings
#include <windows.h>
#include <shlobj.h>
#include <cassert>
#include <string>
inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
if (!ErrMsg)
return true;
char *buffer = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
*ErrMsg = prefix + buffer;
LocalFree(buffer);
return true;
}
class AutoHandle {
HANDLE handle;
public:
AutoHandle(HANDLE h) : handle(h) {}
~AutoHandle() {
if (handle)
CloseHandle(handle);
}
operator HANDLE() {
return handle;
}
AutoHandle &operator=(HANDLE h) {
handle = h;
return *this;
}
};
template <class HandleType, uintptr_t InvalidHandle,
class DeleterType, DeleterType D>
class ScopedHandle {
HandleType Handle;
public:
ScopedHandle() : Handle(InvalidHandle) {}
ScopedHandle(HandleType handle) : Handle(handle) {}
~ScopedHandle() {
if (Handle != HandleType(InvalidHandle))
D(Handle);
}
HandleType take() {
HandleType temp = Handle;
Handle = HandleType(InvalidHandle);
return temp;
}
operator HandleType() const { return Handle; }
ScopedHandle &operator=(HandleType handle) {
Handle = handle;
return *this;
}
typedef void (*unspecified_bool_type)();
static void unspecified_bool_true() {}
// True if Handle is valid.
operator unspecified_bool_type() const {
return Handle == HandleType(InvalidHandle) ? 0 : unspecified_bool_true;
}
bool operator!() const {
return Handle == HandleType(InvalidHandle);
}
};
typedef ScopedHandle<HANDLE, uintptr_t(-1),
BOOL (WINAPI*)(HANDLE), ::FindClose>
ScopedFindHandle;
namespace llvm {
template <class T>
class SmallVectorImpl;
template <class T>
typename SmallVectorImpl<T>::const_pointer
c_str(SmallVectorImpl<T> &str) {
str.push_back(0);
str.pop_back();
return str.data();
}
} // end namespace llvm.
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