On 10/27/2011 02:09 PM, Frédéric Delanoy wrote: > On Thu, Oct 27, 2011 at 08:38, Eric Pouech <eric.pou...@orange.fr> wrote: >> why do we check for ptr being null or not, when we deref ptr one line above? > >>> if (*ptr == '\n') ptr++; >>> - WCMD_output_asis_len(message, (ptr) ? ptr - message : >>> strlenW(message), handle); >>> + WCMD_output_asis_len(message, (ptr) ? (DWORD)(ptr - message) : >>> strlenW(message), handle); >>> if (ptr) { >>> numChars = 0; >>> if (++line_count >= max_height - 1) { > > It's dereferenced but incremented afterwards, so might be null after that line Only if ptr wraps around ;)
bye michael