From 5df249dfeac20f97fa450b73767449fd7994b2f1 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 7 Jul 2006 17:13:10 +0000 Subject: Add a helper function llvm-svn: 29049 --- llvm/lib/System/Win32/Win32.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'llvm/lib/System') diff --git a/llvm/lib/System/Win32/Win32.h b/llvm/lib/System/Win32/Win32.h index 7ed10471de1..d1029916605 100644 --- a/llvm/lib/System/Win32/Win32.h +++ b/llvm/lib/System/Win32/Win32.h @@ -24,6 +24,16 @@ #include #include +inline bool GetError(const std::string &Prefix, std::string *Dest) { + if (Dest == 0) return; + char *buffer = NULL; + FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, + NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL); + *Dest = Prefix + buffer; + LocalFree(buffer); + return true; +} + inline void ThrowError(const std::string& msg) { char *buffer = NULL; FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, -- cgit v1.2.3