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Fix MultiByteToWideChar buffer sizing and allocation #201

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Fix MultiByteToWideChar buffer sizing and allocation #201

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12 changes: 9 additions & 3 deletions Core/GameEngine/Source/GameNetwork/GameSpy/Thread/ThreadUtils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,14 @@

std::wstring MultiByteToWideCharSingleLine( const char *orig )
{
Int len = strlen(orig);
WideChar *dest = NEW WideChar[len+1];
// First, get the required buffer size in wide characters
Int len = MultiByteToWideChar(CP_UTF8, 0, orig, -1, NULL, 0);
if (len <= 0)
{
return std::wstring();
}

WideChar *dest = NEW WideChar[len];

MultiByteToWideChar(CP_UTF8, 0, orig, -1, dest, len);
WideChar *c = NULL;
Expand All @@ -56,7 +62,7 @@ std::wstring MultiByteToWideCharSingleLine( const char *orig )
}
while ( c != NULL );

dest[len] = 0;
dest[len-1] = 0;
std::wstring ret = dest;
delete[] dest;
return ret;
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