llvm/lib/System/Win32/Win32.h
Reid Spencer 6b09db550f Provide the ThrowErrno utility.
Patch contributed by Morten Ofstad


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17827 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-15 17:21:57 +00:00

37 lines
1.3 KiB
C++

//===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencer and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines things specific to Unix implementations.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
//=== is guaranteed to work on all UNIX variants.
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h" // Get autoconf configuration settings
#include "windows.h"
#include <cassert>
#include <string>
inline void ThrowError(const std::string& msg) {
char *buffer = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
std::string s(msg);
s += buffer;
LocalFree(buffer);
throw s;
}
inline void ThrowErrno(const std::string& prefix) {
ThrowError(prefix + ": " + strerror(errno));
}