void
sane_cancel (SANE_Handle handle)
{
V4L_Scanner *s = handle;
DBG (2, "sane_cancel\n");
/* ??? buffer isn't checked in sane_read? */
if (buffer)
{
if (s->is_mmap)
v4l1_munmap(buffer, s->mbuf.size);
else
free (buffer);
buffer = NULL;
}
}
static int v4l1_cleanup (zbar_video_t *vdo)
{
#ifdef HAVE_SYS_MMAN_H
/* FIXME should avoid holding onto mmap'd buffers so long? */
if(vdo->iomode == VIDEO_MMAP && vdo->buf) {
if(v4l1_munmap(vdo->buf, vdo->buflen))
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"unmapping video frame buffers"));
vdo->buf = NULL;
/* FIXME reset image */
}
#endif
/* close open device */
if(vdo->fd >= 0) {
v4l1_close(vdo->fd);
vdo->fd = -1;
}
return(0);
}
LIBV4L_PUBLIC int munmap(void *start, size_t length)
{
return v4l1_munmap(start, length);
}
