static int
vu_tag_dispatch(px_args_t * par, px_state_t * pxs)
{
px_vendor_state_t *v_state = pxs->vendor_state;
if (v_state->state == vu_blank) {
if (par->source.available < 6)
return pxNeedData;
v_state->tag.tag_id
= uint16at(par->source.data, pxs->data_source_big_endian);
v_state->tag.bytes_expected
= uint32at(par->source.data + 2, pxs->data_source_big_endian);
v_state->tag.bytes_so_far = 0;
v_state->state = vu_tagged;
memset(v_state->row, 0xff, v_state->data_per_row);
par->source.data += 6;
par->source.available -= 6;
par->source.position += 6;
if_debug2('I', "Signature %04X expect=%d\n",
v_state->tag.tag_id, v_state->tag.bytes_expected);
};
if (v_state->state != vu_blank) {
if_debug4('I', "tag %04X bytes=%d/%d avail=%d\n",
v_state->tag.tag_id,
v_state->tag.bytes_so_far,
v_state->tag.bytes_expected, par->source.available);
switch (v_state->tag.tag_id) {
case 0x9031:
/* CLJ3600 specific; 3550 returns IllegalTag */
case 0x9011:
case 0x9021:
return tag_dispatch_90X1(par, pxs);
break;
case 0x1001:
/* do nothing */
if (v_state->tag.bytes_expected == 0) {
v_state->state = vu_blank;
return 0;
}
/* probably should return error */
return tag_dispatch_generic(par, pxs);
break;
case 0x8000:
return tag_dispatch_8000(par, pxs);
break;
case 0x8001:
return tag_dispatch_generic(par, pxs);
break;
default:
return_error(errorIllegalTag);
break;
}
}
/* unreachable */
return pxNeedData;
}
static void
trace_array_data(const gs_memory_t * mem, const char *label,
const px_value_t * pav)
{
px_data_type_t type = pav->type;
const byte *ptr = pav->value.array.data;
uint count = pav->value.array.size;
bool big_endian = (type & pxd_big_endian) != 0;
bool text = (type & pxd_ubyte) != 0;
uint i;
dmputs(mem, label);
dmputs(mem, (type & pxd_ubyte ? " <" : " {"));
for (i = 0; i < count; ++i) {
if (!(i & 15) && i) {
const char *p;
dmputs(mem, "\n ");
for (p = label; *p; ++p)
dmputc(mem, ' ');
}
if (type & pxd_ubyte) {
dmprintf1(mem, "%02x ", ptr[i]);
if (ptr[i] < 32 || ptr[i] > 126)
text = false;
} else if (type & pxd_uint16)
dmprintf1(mem, "%u ", uint16at(ptr + i * 2, big_endian));
else if (type & pxd_sint16)
dmprintf1(mem, "%d ", sint16at(ptr + i * 2, big_endian));
else if (type & pxd_uint32)
dmprintf1(mem, "%lu ", (ulong) uint32at(ptr + i * 4, big_endian));
else if (type & pxd_sint32)
dmprintf1(mem, "%ld ", (long)sint32at(ptr + i * 4, big_endian));
else if (type & pxd_real32)
dmprintf1(mem, "%g ", real32at(ptr + i * 4, big_endian));
else
dmputs(mem, "? ");
}
dmputs(mem, (type & pxd_ubyte ? ">\n" : "}\n"));
if (text) {
dmputs(mem, "%chars: \"");
debug_print_string(mem, ptr, count);
dmputs(mem, "\"\n");
}
}