a question about drawing wchar_t with SDL_TTF

given a std::wstring variable named m_text, I do the following :


	size_t s = 2 * sizeof(wchar_t)*(m_text.size() + 1);
	char * convertedChar = (char*) malloc(s);

	size_t res=0;
	ppw_wcstombs(&res, convertedChar, s, m_text.c_str(), m_text.size());
	
	convertedChar[m_text.size()] = 0;

	SDL_Surface *msg1Sur = TTF_RenderUTF8_Blended_Wrapped(m_font->get_ttf_font(), convertedChar, m_fontcolor, (Uint32)m_force_width);


this works nicely as long as the input string doesn’t contain unicode characters. As soon as I use something like a curly quote (“) the drawing stops right before that character


can anyone point me what I’m doing wrong ?
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