llvm/lib/Support/Windows/Windows.h
Michael J. Spencer 1f6efa3996 Merge System into Support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29 18:16:10 +00:00

61 lines
1.7 KiB
C++

//===- 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.
//===----------------------------------------------------------------------===//
// Require at least Windows 2000 API.
#define _WIN32_WINNT 0x0500
#define _WIN32_IE 0x0500 // 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;
}
};