From: Chris Lattner <sabre@nondot.org>
Date: Fri, 7 Jul 2006 17:13:10 +0000 (+0000)
Subject: Add a helper function
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=cc2fa54dfa5096772a2cdc3881e6f13791d41e2a;p=oota-llvm.git

Add a helper function


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29049 91177308-0d34-0410-b5e6-96231b3b80d8
---

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 <cassert>
 #include <string>
 
+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,