From cc2fa54dfa5096772a2cdc3881e6f13791d41e2a Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 7 Jul 2006 17:13:10 +0000 Subject: [PATCH] Add a helper function git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29049 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/System/Win32/Win32.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/System/Win32/Win32.h b/lib/System/Win32/Win32.h index 7ed10471de1..d1029916605 100644 --- a/lib/System/Win32/Win32.h +++ b/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, -- 2.34.1