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Add a helper function

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29049 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-07-07 17:13:10 +00:00
parent adcbce0ad4
commit cc2fa54dfa
1 changed files with 10 additions and 0 deletions
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10
lib/System/Win32/Win32.h
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@ -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,