deflate_fast

/* deflate_fast(TState&) */

void deflate_fast(TState *param_1)

{
  uint uVar1;
  TState *pTVar2;
  uint uVar3;
  uint uVar4;
  uint uVar5;
  int iVar7;
  uint uVar8;
  int local_24;
  uint local_20;
  uint uVar6;
  
  local_20 = 0;
  *(undefined4 *)(param_1 + 0x6af80) = 2;
  uVar1 = *(uint *)(param_1 + 0x6af90);
  uVar8 = 0;
  while (uVar1 != 0) {
    while( true ) {
      uVar4 = *(uint *)(param_1 + 0x6af84);
      if (2 < uVar1) {
        uVar3 = ((uint)(byte)param_1[uVar4 + 0x1af72] ^ *(int *)(param_1 + 0x6af7c) << 5) & 0x7fff;
        *(uint *)(param_1 + 0x6af7c) = uVar3;
        uVar8 = *(uint *)(param_1 + uVar3 * 4 + 0x4af70);
        *(uint *)(param_1 + (uVar4 & 0x7fff) * 4 + 0x2af70) = uVar8;
        *(uint *)(param_1 + uVar3 * 4 + 0x4af70) = uVar4;
      }
      if ((uVar8 != 0) && (uVar4 - uVar8 < 0x7efb)) {
        if (uVar1 < *(uint *)(param_1 + 0x6afa0)) {
          *(uint *)(param_1 + 0x6afa0) = uVar1;
        }
        uVar1 = longest_match(param_1,uVar8);
        local_20 = *(uint *)(param_1 + 0x6af90);
        if (uVar1 <= *(uint *)(param_1 + 0x6af90)) {
          local_20 = uVar1;
        }
        uVar4 = *(uint *)(param_1 + 0x6af84);
      }
      uVar1 = local_20;
      if (local_20 < 3) {
        local_24 = ct_tally(param_1,0,(uint)(byte)param_1[uVar4 + 0x1af70]);
        *(int *)(param_1 + 0x6af90) = *(int *)(param_1 + 0x6af90) + -1;
        *(int *)(param_1 + 0x6af84) = *(int *)(param_1 + 0x6af84) + 1;
      }
      else {
        local_24 = ct_tally(param_1,uVar4 - *(int *)(param_1 + 0x6af88),local_20 - 3);
        iVar7 = *(int *)(param_1 + 0x6af90);
        *(uint *)(param_1 + 0x6af90) = iVar7 - local_20;
        if ((*(uint *)(param_1 + 0x6af98) < local_20) || (iVar7 - local_20 < 3)) {
          local_20 = 0;
          iVar7 = uVar1 + *(int *)(param_1 + 0x6af84);
          *(int *)(param_1 + 0x6af84) = iVar7;
          *(uint *)(param_1 + 0x6af7c) =
               (uint)(byte)param_1[iVar7 + 0x1af71] ^ (uint)(byte)param_1[iVar7 + 0x1af70] << 5;
        }
        else {
          uVar4 = *(uint *)(param_1 + 0x6af84);
          uVar3 = *(uint *)(param_1 + 0x6af7c);
          uVar6 = uVar4;
          do {
            uVar5 = uVar6 + 1;
            uVar3 = (uVar3 << 5 ^ (uint)(byte)param_1[uVar6 + 0x1af73]) & 0x7fff;
            uVar8 = *(uint *)(param_1 + uVar3 * 4 + 0x4af70);
            *(uint *)(param_1 + (uVar5 & 0x7fff) * 4 + 0x2af70) = uVar8;
            *(uint *)(param_1 + uVar3 * 4 + 0x4af70) = uVar5;
            uVar6 = uVar5;
          } while (uVar5 != (local_20 - 1) + uVar4);
          *(uint *)(param_1 + 0x6af7c) = uVar3;
          local_20 = 0;
          *(uint *)(param_1 + 0x6af84) = uVar1 + uVar4;
        }
      }
      if (local_24 != 0) {
        iVar7 = *(int *)(param_1 + 0x6af74);
        pTVar2 = (TState *)0x0;
        if (-1 < iVar7) {
          pTVar2 = param_1 + iVar7 + 0x1af70;
        }
        flush_block(param_1,(char *)pTVar2,*(int *)(param_1 + 0x6af84) - iVar7,0);
        *(undefined4 *)(param_1 + 0x6af74) = *(undefined4 *)(param_1 + 0x6af84);
      }
      uVar1 = *(uint *)(param_1 + 0x6af90);
      if (0x105 < uVar1) break;
      fill_window(param_1);
      uVar1 = *(uint *)(param_1 + 0x6af90);
      if (uVar1 == 0) goto LAB_000ecc0e;
    }
  }
LAB_000ecc0e:
  iVar7 = *(int *)(param_1 + 0x6af74);
  pTVar2 = (TState *)0x0;
  if (-1 < iVar7) {
    pTVar2 = param_1 + iVar7 + 0x1af70;
  }
  flush_block(param_1,(char *)pTVar2,*(int *)(param_1 + 0x6af84) - iVar7,1);
  return;
}