/*---------------------------------------------------*/
static
void add_pair_to_block ( EState* s )
{
Int32 i;
UChar ch = (UChar)(s->state_in_ch);
for (i = 0; i < s->state_in_len; i++) {
BZ_UPDATE_CRC( s->blockCRC, ch );
}
s->inUse[s->state_in_ch] = True;
switch (s->state_in_len) {
case 1:
s->block[s->nblock] = (UChar)ch; s->nblock++;
break;
case 2:
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
break;
case 3:
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
break;
default:
s->inUse[s->state_in_len-4] = True;
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = (UChar)ch; s->nblock++;
s->block[s->nblock] = ((UChar)(s->state_in_len-4));
s->nblock++;
break;
}
}
/*---------------------------------------------------*/
static
void add_pair_to_block(EState* s)
{
int32_t i;
uint8_t ch = (uint8_t)(s->state_in_ch);
for (i = 0; i < s->state_in_len; i++) {
BZ_UPDATE_CRC(s, s->blockCRC, ch);
}
s->inUse[s->state_in_ch] = 1;
switch (s->state_in_len) {
case 3:
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
/* fall through */
case 2:
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
/* fall through */
case 1:
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
break;
default:
s->inUse[s->state_in_len - 4] = 1;
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
s->block[s->nblock] = (uint8_t)ch; s->nblock++;
s->block[s->nblock] = (uint8_t)(s->state_in_len - 4);
s->nblock++;
break;
}
}
static
void unRLE_obuf_to_output_FAST ( DState* s )
{
UChar k1;
if (s->blockRandomised) {
while (True) {
/* try to finish existing run */
while (True) {
if (s->strm->avail_out == 0) return;
if (s->state_out_len == 0) break;
*( (UChar*)(s->strm->next_out) ) = s->state_out_ch;
BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch );
s->state_out_len--;
s->strm->next_out++;
s->strm->avail_out--;
s->strm->total_out_lo32++;
if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++;
}
/* can a new run be started? */
if (s->nblock_used == s->save_nblock+1) return;
s->state_out_len = 1;
s->state_out_ch = s->k0;
BZ_GET_FAST(k1);
BZ_RAND_UPD_MASK;
k1 ^= BZ_RAND_MASK;
s->nblock_used++;
if (s->nblock_used == s->save_nblock+1) continue;
if (k1 != s->k0) {
s->k0 = k1;
continue;
};
s->state_out_len = 2;
BZ_GET_FAST(k1);
BZ_RAND_UPD_MASK;
k1 ^= BZ_RAND_MASK;
s->nblock_used++;
if (s->nblock_used == s->save_nblock+1) continue;
if (k1 != s->k0) {
s->k0 = k1;
continue;
};
s->state_out_len = 3;
BZ_GET_FAST(k1);
BZ_RAND_UPD_MASK;
k1 ^= BZ_RAND_MASK;
s->nblock_used++;
if (s->nblock_used == s->save_nblock+1) continue;
if (k1 != s->k0) {
s->k0 = k1;
continue;
};
BZ_GET_FAST(k1);
BZ_RAND_UPD_MASK;
k1 ^= BZ_RAND_MASK;
s->nblock_used++;
s->state_out_len = ((Int32)k1) + 4;
BZ_GET_FAST(s->k0);
BZ_RAND_UPD_MASK;
s->k0 ^= BZ_RAND_MASK;
s->nblock_used++;
}
} else {
/* restore */
// UInt32 c_calculatedBlockCRC = s->calculatedBlockCRC;
UChar c_state_out_ch = s->state_out_ch;
Int32 c_state_out_len = s->state_out_len;
Int32 c_nblock_used = s->nblock_used;
Int32 c_k0 = s->k0;
UInt32* c_tt = s->tt;
UInt32 c_tPos = s->tPos;
char* cs_next_out = s->strm->next_out;
unsigned int cs_avail_out = s->strm->avail_out;
/* end restore */
UInt32 avail_out_INIT = cs_avail_out;
Int32 s_save_nblockPP = s->save_nblock+1;
unsigned int total_out_lo32_old;
while (True) {
/* try to finish existing run */
if (c_state_out_len > 0) {
while (True) {
if (cs_avail_out == 0) goto return_notr;
if (c_state_out_len == 1) break;
*( (UChar*)(cs_next_out) ) = c_state_out_ch;
BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch );
c_state_out_len--;
cs_next_out++;
cs_avail_out--;
}
s_state_out_len_eq_one:
{
if (cs_avail_out == 0) {
c_state_out_len = 1;
goto return_notr;
};
*( (UChar*)(cs_next_out) ) = c_state_out_ch;
BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch );
cs_next_out++;
cs_avail_out--;
}
}
/* can a new run be started? */
if (c_nblock_used == s_save_nblockPP) {
c_state_out_len = 0;
goto return_notr;
};
c_state_out_ch = c_k0;
BZ_GET_FAST_C(k1);
c_nblock_used++;
if (k1 != c_k0) {
c_k0 = k1;
goto s_state_out_len_eq_one;
};
if (c_nblock_used == s_save_nblockPP)
goto s_state_out_len_eq_one;
c_state_out_len = 2;
BZ_GET_FAST_C(k1);
c_nblock_used++;
if (c_nblock_used == s_save_nblockPP) continue;
if (k1 != c_k0) {
c_k0 = k1;
continue;
};
c_state_out_len = 3;
BZ_GET_FAST_C(k1);
c_nblock_used++;
if (c_nblock_used == s_save_nblockPP) continue;
if (k1 != c_k0) {
c_k0 = k1;
continue;
};
BZ_GET_FAST_C(k1);
c_nblock_used++;
c_state_out_len = ((Int32)k1) + 4;
BZ_GET_FAST_C(c_k0);
c_nblock_used++;
}
return_notr:
total_out_lo32_old = s->strm->total_out_lo32;
s->strm->total_out_lo32 += (avail_out_INIT - cs_avail_out);
if (s->strm->total_out_lo32 < total_out_lo32_old)
s->strm->total_out_hi32++;
/* save */
// s->calculatedBlockCRC = c_calculatedBlockCRC;
s->state_out_ch = c_state_out_ch;
s->state_out_len = c_state_out_len;
s->nblock_used = c_nblock_used;
s->k0 = c_k0;
s->tt = c_tt;
s->tPos = c_tPos;
s->strm->next_out = cs_next_out;
s->strm->avail_out = cs_avail_out;
/* end save */
}
}
