On Fri, May 30, 2014 at 11:11:20AM +0900, Namhyung Kim wrote:
> Hi Jiri,
>
> On Thu, 29 May 2014 10:37:32 +0200, Jiri Olsa wrote:
> > On Thu, May 29, 2014 at 09:06:05AM +0900, Namhyung Kim wrote:
> >> On Tue, 27 May 2014 09:54:36 +0200, Jiri Olsa wrote:
> >> > On Tue, May 27, 2014 at 10:36:44AM +0900, Namhyung Kim wrote:
> >> >> On Thu, 15 May 2014 19:23:34 +0200, Jiri Olsa wrote:
> >> >> > Adding test that setup test_dso_data__fd_limit and test
> >> >> > dso data file descriptors are cached appropriately.
> >> >>
> >> >> [SNIP]
> >> >> > +static long open_files_cnt(void)
> >> >> > +{
> >> >> > + char path[PATH_MAX];
> >> >> > + struct dirent *dent;
> >> >> > + DIR *dir;
> >> >> > + long nr = 0;
> >> >> > + int n;
> >> >> > +
> >> >> > + n = scnprintf(path, PATH_MAX, "%s/self/fd",
> >> >> > procfs__mountpoint());
> >> >> > + TEST_ASSERT_VAL("couldn't get fd path", n < PATH_MAX);
> >> >>
> >> >> Looks like an unnecessary check since the scnprintf() cannot return more
> >> >> than (or equal to) PATH_MAX.
> >> >
> >> > once it's equal it's bad.. as the man says:
> >> > "return value of size or more means that the output was truncated"
> >>
> >> Did you see "sn"printf?
> >
> > yes, I just double checked.. jirka
>
> Please see "scn"printf then. :) It does something like below..
>
> i = snprintf(buf, size, ...);
> return (i >= size) ? : size - 1 : i;
aaargh... ok ;-)
thanks,
jirka
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