diff --git a/src/vmime/charsetConverter_win.cpp b/src/vmime/charsetConverter_win.cpp index d4a21a46..2c65f5fd 100644 --- a/src/vmime/charsetConverter_win.cpp +++ b/src/vmime/charsetConverter_win.cpp @@ -110,7 +110,10 @@ void charsetConverter_win::convert(const string& in, string& out, status* st) } else { - const size_t bufferSize = in.length() * 2; // in wide characters + const size_t bufferSize = MultiByteToWideChar + (sourceCodePage, 0, in.c_str(), static_cast <int>(in.length()), + NULL, 0) * sizeof(WCHAR); // in wide characters + unicodeBuffer.resize(bufferSize); DWORD flags = 0; @@ -143,7 +146,9 @@ void charsetConverter_win::convert(const string& in, string& out, status* st) } else { - const size_t bufferSize = unicodeLen * 6; // in multibyte characters + const size_t bufferSize = WideCharToMultiByte + (destCodePage, 0, unicodePtr, static_cast <int>(unicodeLen), + NULL, 0, 0, NULL); // in multibyte characters std::vector <char> buffer; buffer.resize(bufferSize);