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llvm-6502/lib/System/Win32/Win32.h
2007-12-29 20:36:04 +00:00

58 lines
1.6 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
#include "llvm/Config/config.h" // Get autoconf configuration settings
#include "windows.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;
}
};