String_IsEncodedZero

/* String_IsEncodedZero(SendProp const*, bf_read*) */

uint String_IsEncodedZero(SendProp *param_1,bf_read *param_2)

{
  undefined4 *puVar1;
  uint *puVar2;
  uint uVar3;
  int iVar4;
  uint uVar5;
  uint3 uVar8;
  uint uVar6;
  int iVar7;
  int iVar9;
  
  iVar9 = *(int *)(param_2 + 0x14);
  if (iVar9 < 9) {
    puVar2 = *(uint **)(param_2 + 0x18);
    uVar5 = *(uint *)(param_2 + 0x10);
    if (puVar2 == *(uint **)(param_2 + 0x1c)) {
      *(undefined4 *)(param_2 + 0x14) = 1;
      *(undefined4 *)(param_2 + 0x10) = 0;
      *(uint **)(param_2 + 0x18) = puVar2 + 1;
      param_2[4] = (bf_read)0x1;
    }
    else {
      if (puVar2 <= *(uint **)(param_2 + 0x1c)) {
        *(uint **)(param_2 + 0x18) = puVar2 + 1;
        uVar6 = (uint)(byte)param_2[4];
        uVar3 = *puVar2;
        *(uint *)(param_2 + 0x10) = uVar3;
        if (param_2[4] == (bf_read)0x0) {
          iVar7 = 9 - iVar9;
          uVar5 = ((&CBitBuffer::s_nMaskTable)[iVar7] & uVar3) << ((byte)iVar9 & 0x1f) | uVar5;
          *(int *)(param_2 + 0x14) = iVar9 + 0x17;
          *(uint *)(param_2 + 0x10) = uVar3 >> ((byte)iVar7 & 0x1f);
          iVar9 = uVar5 * 8;
          uVar6 = CONCAT31((int3)((uint)iVar7 >> 8),uVar5 == 0);
        }
        else {
          iVar9 = 0;
        }
        goto LAB_00147253;
      }
      param_2[4] = (bf_read)0x1;
      *(undefined4 *)(param_2 + 0x10) = 0;
    }
    uVar6 = 1;
    iVar9 = 0;
  }
  else {
    uVar5 = *(uint *)(param_2 + 0x10);
    *(int *)(param_2 + 0x14) = iVar9 + -9;
    uVar3 = uVar5 & 0x1ff;
    uVar8 = (uint3)(uVar5 >> 8);
    if (iVar9 + -9 == 0) {
      puVar1 = *(undefined4 **)(param_2 + 0x18);
      *(undefined4 *)(param_2 + 0x14) = 0x20;
      if (puVar1 == *(undefined4 **)(param_2 + 0x1c)) {
        *(undefined4 *)(param_2 + 0x14) = 1;
        *(undefined4 **)(param_2 + 0x18) = puVar1 + 1;
        iVar9 = uVar3 * 8;
        uVar6 = CONCAT31(uVar8,uVar3 == 0);
        *(undefined4 *)(param_2 + 0x10) = 0;
      }
      else {
        if (*(undefined4 **)(param_2 + 0x1c) < puVar1) {
          iVar7 = *(int *)(param_2 + 0x20);
          param_2[4] = (bf_read)0x1;
          uVar6 = CONCAT31(uVar8,uVar3 == 0);
          *(undefined4 *)(param_2 + 0x10) = 0;
          iVar9 = uVar3 * 8;
          goto joined_r0x00147258;
        }
        *(undefined4 **)(param_2 + 0x18) = puVar1 + 1;
        iVar9 = uVar3 * 8;
        uVar6 = CONCAT31((int3)((uint)(puVar1 + 1) >> 8),uVar3 == 0);
        *(undefined4 *)(param_2 + 0x10) = *puVar1;
      }
    }
    else {
      iVar9 = uVar3 * 8;
      *(uint *)(param_2 + 0x10) = uVar5 >> 9;
      uVar6 = CONCAT31(uVar8 >> 9,uVar3 == 0);
    }
  }
LAB_00147253:
  iVar7 = *(int *)(param_2 + 0x20);
joined_r0x00147258:
  if (iVar7 == 0) {
    iVar4 = 0;
  }
  else {
    iVar7 = (((uint)(*(int *)(param_2 + 0x18) - iVar7) >> 2) * 0x20 - *(int *)(param_2 + 0x14)) +
            (*(uint *)(param_2 + 0xc) & 3) * 8;
    iVar4 = *(int *)(param_2 + 8);
    if (iVar7 <= *(int *)(param_2 + 8)) {
      iVar4 = iVar7;
    }
  }
  CBitRead::Seek((CBitRead *)param_2,iVar9 + iVar4);
  return uVar6;
}