1 //===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines things specific to Win32 implementations.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 //=== WARNING: Implementation here must contain only generic Win32 code that
16 //=== is guaranteed to work on *all* Win32 variants.
17 //===----------------------------------------------------------------------===//
19 // Require at least Windows 2000 API.
20 #define _WIN32_WINNT 0x0500
21 #define _WIN32_IE 0x0500 // MinGW at it again.
22 #define WIN32_LEAN_AND_MEAN
24 #include "llvm/Config/config.h" // Get build system configuration settings
30 inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
34 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
35 NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
36 *ErrMsg = prefix + buffer;
45 AutoHandle(HANDLE h) : handle(h) {}
56 AutoHandle &operator=(HANDLE h) {
62 template <class HandleType, HandleType InvalidHandle,
63 class DeleterType, DeleterType D>
68 ScopedHandle() : Handle(InvalidHandle) {}
69 ScopedHandle(HandleType handle) : Handle(handle) {}
72 if (Handle != InvalidHandle)
77 HandleType temp = Handle;
78 Handle = InvalidHandle;
82 operator HandleType() const { return Handle; }
84 ScopedHandle &operator=(HandleType handle) {
89 typedef void (*unspecified_bool_type)();
90 static void unspecified_bool_true() {}
92 // True if Handle is valid.
93 operator unspecified_bool_type() const {
94 return Handle == InvalidHandle ? 0 : unspecified_bool_true;
97 typedef ScopedHandle<HANDLE, INVALID_HANDLE_VALUE,
98 BOOL (WINAPI*)(HANDLE), ::FindClose>