forked from OSchip/llvm-project
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
//===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Jeff Cohen and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines things specific to Win32 implementations.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic Win32 code that
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//=== is guaranteed to work on *all* Win32 variants.
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//===----------------------------------------------------------------------===//
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// Require at least Windows 2000 API.
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#define _WIN32_WINNT 0x0500
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#include "llvm/Config/config.h" // Get autoconf configuration settings
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#include "windows.h"
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#include <cassert>
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#include <string>
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inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
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if (!ErrMsg)
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return true;
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char *buffer = NULL;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
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*ErrMsg = prefix + buffer;
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LocalFree(buffer);
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return true;
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}
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class AutoHandle {
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HANDLE handle;
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public:
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AutoHandle(HANDLE h) : handle(h) {}
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~AutoHandle() {
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if (handle)
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CloseHandle(handle);
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}
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operator HANDLE() {
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return handle;
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}
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AutoHandle &operator=(HANDLE h) {
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handle = h;
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return *this;
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}
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};
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