Em Tue, Jul 12, 2016 at 09:48:36AM -0400, Steven Rostedt escreveu: > On Tue, 12 Jul 2016 15:35:52 +0200 > Jiri Olsa <jo...@redhat.com> wrote: > > > On Tue, Jul 12, 2016 at 09:00:01AM -0400, Steven Rostedt wrote: > > > On Tue, 12 Jul 2016 14:52:45 +0200 > > > Jiri Olsa <jo...@redhat.com> wrote: > > > > > > > > > > hum, so string is not passed to trace buffer with 0 at the end? > > > > > > strlen() returns only the length of the string (minus the \0 at the > > > end). > > > > yea, is_printable_array is called here on tracepoint > > data that's why I asked.. is 0 part of the string data > > when stored within tracepoint? > > Good question. It may or may not (haven't looked at the code), but we > probably want to make sure that the function is robust enough for > either case.
Ok, applied and tested up to patch 9, waiting for this discussion to come to an end to consider 10. - Arnaldo > > > > > > > > > > > > > I'll check the option of passing everything as PyByteArray. > > > > If it's the same for user, we'll have simpler code in here. > > > > > > > > > > > > > > because the last byte wont be 0. What about: > > > > > > > > > > for (i = 0; i < len; i++) > > > > > if (!isprint(p[i]) && !isspace(p[i])) > > > > > break; > > > > > > > > > > return i == len || > > > > > (i == len - 1 && p[i] == 0); > > > > > > Or you can do: > > > > > > if (p[len - 1] == 0) > > > len--; > > > > > > for (i = 0; i < len; i++) > > > if (!isprint(p[i]) && !isspace(p[i])) > > > return 0; > > > return 1; > > > > yep, seems good.. thanks > > > > OK, great! > > -- Steve