deflate

/* deflate(TState&) */

void deflate(TState *param_1)

{
  int iVar1;
  int iVar2;
  bool bVar3;
  uint uVar4;
  uint uVar5;
  int iVar6;
  int iVar7;
  uint uVar8;
  TState *pTVar9;
  uint uVar10;
  uint uVar11;
  uint local_20;
  
  if (*(int *)(param_1 + 4) < 4) {
    deflate_fast(param_1);
    return;
  }
  uVar4 = *(uint *)(param_1 + 0x6af90);
  bVar3 = false;
  local_20 = 0;
  uVar8 = 2;
  do {
    if (uVar4 == 0) {
      if (bVar3) {
        ct_tally(param_1,0,(uint)(byte)param_1[*(int *)(param_1 + 0x6af84) + 0x1af6f]);
      }
      iVar6 = *(int *)(param_1 + 0x6af74);
      pTVar9 = (TState *)0x0;
      if (-1 < iVar6) {
        pTVar9 = param_1 + iVar6 + 0x1af70;
      }
      flush_block(param_1,(char *)pTVar9,*(int *)(param_1 + 0x6af84) - iVar6,1);
      return;
    }
    uVar5 = *(uint *)(param_1 + 0x6af84);
    if (2 < uVar4) {
      uVar10 = ((uint)(byte)param_1[uVar5 + 0x1af72] ^ *(int *)(param_1 + 0x6af7c) << 5) & 0x7fff;
      *(uint *)(param_1 + 0x6af7c) = uVar10;
      local_20 = *(uint *)(param_1 + uVar10 * 4 + 0x4af70);
      *(uint *)(param_1 + (uVar5 & 0x7fff) * 4 + 0x2af70) = local_20;
      *(uint *)(param_1 + uVar10 * 4 + 0x4af70) = uVar5;
    }
    *(uint *)(param_1 + 0x6af80) = uVar8;
    uVar10 = *(uint *)(param_1 + 0x6af88);
    if (((local_20 == 0) || (*(uint *)(param_1 + 0x6af98) <= uVar8)) || (0x7efa < uVar5 - local_20))
    {
LAB_000ece72:
      uVar11 = 2;
    }
    else {
      if (uVar4 < *(uint *)(param_1 + 0x6afa0)) {
        *(uint *)(param_1 + 0x6afa0) = uVar4;
      }
      uVar4 = longest_match(param_1,local_20);
      uVar11 = *(uint *)(param_1 + 0x6af90);
      if (uVar4 <= *(uint *)(param_1 + 0x6af90)) {
        uVar11 = uVar4;
      }
      if (uVar11 == 3) {
        uVar5 = *(uint *)(param_1 + 0x6af84);
        uVar8 = *(uint *)(param_1 + 0x6af80);
        if (0x1000 < uVar5 - *(int *)(param_1 + 0x6af88)) goto LAB_000ece72;
      }
      else {
        uVar8 = *(uint *)(param_1 + 0x6af80);
        uVar5 = *(uint *)(param_1 + 0x6af84);
      }
    }
    if ((uVar8 < 3) || (uVar8 < uVar11)) {
      if (bVar3) {
        iVar6 = ct_tally(param_1,0,(uint)(byte)param_1[uVar5 + 0x1af6f]);
        if (iVar6 == 0) {
          uVar5 = *(uint *)(param_1 + 0x6af84);
        }
        else {
          iVar6 = *(int *)(param_1 + 0x6af74);
          pTVar9 = (TState *)0x0;
          if (-1 < iVar6) {
            pTVar9 = param_1 + iVar6 + 0x1af70;
          }
          flush_block(param_1,(char *)pTVar9,*(int *)(param_1 + 0x6af84) - iVar6,0);
          uVar5 = *(uint *)(param_1 + 0x6af84);
          *(uint *)(param_1 + 0x6af74) = uVar5;
        }
      }
      bVar3 = true;
      *(uint *)(param_1 + 0x6af84) = uVar5 + 1;
      uVar4 = *(int *)(param_1 + 0x6af90) - 1;
      *(uint *)(param_1 + 0x6af90) = uVar4;
    }
    else {
      iVar6 = *(int *)(param_1 + 0x6af90);
      iVar7 = ct_tally(param_1,uVar5 + ~uVar10,uVar8 - 3);
      iVar1 = *(int *)(param_1 + 0x6af80);
      iVar2 = *(int *)(param_1 + 0x6af84);
      uVar4 = (*(int *)(param_1 + 0x6af90) + 1) - iVar1;
      *(int *)(param_1 + 0x6af80) = iVar1 + -2;
      uVar8 = iVar2 + 1;
      *(uint *)(param_1 + 0x6af90) = uVar4;
      do {
        if (uVar8 <= (uVar5 - 3) + iVar6) {
          uVar10 = ((uint)(byte)param_1[uVar8 + 0x1af72] ^ *(int *)(param_1 + 0x6af7c) << 5) &
                   0x7fff;
          *(uint *)(param_1 + 0x6af7c) = uVar10;
          local_20 = *(uint *)(param_1 + uVar10 * 4 + 0x4af70);
          *(uint *)(param_1 + (uVar8 & 0x7fff) * 4 + 0x2af70) = local_20;
          *(uint *)(param_1 + uVar10 * 4 + 0x4af70) = uVar8;
        }
        uVar8 = uVar8 + 1;
      } while (uVar8 != iVar1 + -1 + iVar2);
      *(uint *)(param_1 + 0x6af84) = uVar8;
      *(undefined4 *)(param_1 + 0x6af80) = 0;
      if (iVar7 == 0) {
        uVar11 = 2;
        bVar3 = false;
      }
      else {
        iVar6 = *(int *)(param_1 + 0x6af74);
        pTVar9 = (TState *)0x0;
        if (-1 < iVar6) {
          pTVar9 = param_1 + iVar6 + 0x1af70;
        }
        uVar11 = 2;
        flush_block(param_1,(char *)pTVar9,uVar8 - iVar6,0);
        bVar3 = false;
        uVar4 = *(uint *)(param_1 + 0x6af90);
        *(undefined4 *)(param_1 + 0x6af74) = *(undefined4 *)(param_1 + 0x6af84);
      }
    }
    uVar8 = uVar11;
    if (uVar4 < 0x106) {
      fill_window(param_1);
      uVar4 = *(uint *)(param_1 + 0x6af90);
    }
  } while( true );
}