mame/3rdparty/lzma/CPP/Windows/Error.cpp
2015-01-11 08:10:25 +01:00

61 lines
1.2 KiB
C++

// Windows/Error.h
#include "StdAfx.h"
#include "Windows/Error.h"
#ifndef _UNICODE
#include "Common/StringConvert.h"
#endif
#ifndef _UNICODE
extern bool g_IsNT;
#endif
namespace NWindows {
namespace NError {
static bool MyFormatMessage(DWORD errorCode, UString &message)
{
LPVOID msgBuf;
#ifndef _UNICODE
if (!g_IsNT)
{
if (::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorCode, 0, (LPTSTR) &msgBuf, 0, NULL) == 0)
return false;
message = GetUnicodeString((LPCTSTR)msgBuf);
}
else
#endif
{
if (::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorCode, 0, (LPWSTR) &msgBuf, 0, NULL) == 0)
return false;
message = (LPCWSTR)msgBuf;
}
::LocalFree(msgBuf);
return true;
}
UString MyFormatMessageW(DWORD errorCode)
{
UString message;
if (!MyFormatMessage(errorCode, message))
{
wchar_t s[16];
for (int i = 0; i < 8; i++)
{
int t = errorCode & 0xF;
errorCode >>= 4;
s[7 - i] = (wchar_t)((t < 10) ? ('0' + t) : ('A' + (t - 10)));
}
s[8] = '\0';
message = (UString)L"Error #" + s;
}
return message;
}
}}