On Fri, May 27, 2016 at 07:07:27PM +0100, Chris Wilson wrote:
> On Fri, May 27, 2016 at 08:46:14PM +0300, Ville Syrjälä wrote:
> > > + for (int n = 0; n < 16; n++) {
> > > + int len = sprintf(path, "/sys/class/drm/card%d", n);
> > > + if (device[0]) {
> > > + char tmp[80];
> > > + int ret;
> > > +
> > > + sprintf(path + len, "/dev");
> > > + fd = open(path, O_RDONLY);
> > > + if (fd == -1)
> > > + continue;
> > > +
> > > + ret = read(fd, tmp, sizeof(tmp-1));
> > > + if (ret < 0)
> > > + ret = 0;
> > > + tmp[ret] = '\0';
> > > + while (ret > 0 && tmp[ret-1] == '\n')
> > > + tmp[--ret] = '\0';
> > > + close(fd);
> > > +
> > > + if (strcmp(tmp, device))
> > > + continue;
> >
> > fscanf?
>
> if (fd != -1) {
> FILE *file;
> int ret, maj, min;
>
> sprintf(path + len, "/dev");
> file = fopen(path, "r");
> if (!file)
> continue;
>
> ret = fscanf(file, "%d:%d", &maj, &min);
> fclose(file);
>
> if (ret != 2 ||
> major(st.st_rdev) != maj ||
> minor(st.st_rdev) != min)
> continue;
lgtm
--
Ville Syrjälä
Intel OTC
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