On Mon, Jun 11, 2012 at 12:17 PM, Bin.Cheng <amker.ch...@gmail.com> wrote: > Hi, > In "ref_maybe_used_by_call_p_1", the comment says "strcat/strncat > additionally reads memory pointed to by the first argument." I do not > understand these words well, why the first string is read by the two > functions?
Because we need to search for the end of the string to append at the proper place. Richard. > Thanks for help. > > -- > Best Regards.