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LIB: Call FormatMessageW directly and skip an extra string encoding conversion step.

This commit is contained in:
Rom Walton 2013-01-08 02:44:20 -05:00 committed by Oliver Bock
parent 6e205de096
commit 186beb241c
1 changed files with 4 additions and 4 deletions
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8
lib/win_util.cpp
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@ -887,22 +887,22 @@ char* windows_format_error_string(
unsigned long dwError, char* pszBuf, int iSize
) {
DWORD dwRet;
LPSTR lpszTemp = NULL;
LPWSTR lpszTemp = NULL;
dwRet = FormatMessageA(
dwRet = FormatMessageW(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ARGUMENT_ARRAY,
NULL,
dwError,
LANG_NEUTRAL,
(LPSTR)&lpszTemp,
(LPWSTR)&lpszTemp,
0,
NULL
);
// convert from current character encoding into UTF8
std::string encoded_message = W2A(A2W(std::string(lpszTemp)));
std::string encoded_message = W2A(std::wstring(lpszTemp));
// include the hex error code as well
snprintf(pszBuf, iSize, "%s (0x%x)", encoded_message.c_str(), dwError);