>>> Ali H. Fardan <r...@firemail.cc> 5-Sep-16 08:47 >>> > > On 2016-09-05 10:44, David Gwynne wrote: > >> On 5 Sep 2016, at 17:39, Ali H. Fardan <r...@firemail.cc> wrote: > >> > >> and why is he telling me this? I just said if the destination is a > >> pointer to char, how would a function automagically allocate a size > >> for it? > > > > its not a pointer to a char, its a pointer to a char pointer: > > > > as per the man page: > > > > int > > asprintf(char **ret, const char *format, ...); > > > > dlg > > Still doesn't mean that it can automagically allocate a correct > buffer size.
It does allocate the correct buffer size. It's got all the information it needs to do that with the format string and the parameters. Then it returns the buffer address via the `ret' argument. If you don't believe us, read the source code and tell us where we are wrong. Tom
