bf_write::WriteSBitLong

/* bf_write::WriteSBitLong(int, int) */

void __thiscall bf_write::WriteSBitLong(bf_write *this,int param_1,int param_2)

{
  int iVar1;
  uint uVar2;
  uint uVar3;
  int iVar4;
  int iVar5;
  byte *pbVar6;
  uint *puVar7;
  
  iVar4 = param_2 + -1;
  uVar2 = *(uint *)(this + 0xc);
  iVar1 = *(int *)(this + 8);
  if (param_1 < 0) {
    if ((int)(iVar4 + uVar2) <= iVar1) {
      uVar3 = uVar2 & 0x1f;
      iVar1 = ((int)uVar2 >> 5) * 4;
      puVar7 = (uint *)(iVar1 + *(int *)this);
      iVar5 = 0x20 - uVar3;
      *puVar7 = param_1 + 0x80000000U << (sbyte)uVar3 |
                (&g_BitWriteMasks)[uVar3 * 0x21 + iVar4] & *puVar7;
      if (iVar5 < iVar4) {
        puVar7 = (uint *)(*(int *)this + 4 + iVar1);
        *puVar7 = (&g_BitWriteMasks)[iVar4 - iVar5] & *puVar7 |
                  param_1 + 0x80000000U >> ((byte)iVar5 & 0x1f);
      }
      iVar4 = iVar4 + *(int *)(this + 0xc);
      *(int *)(this + 0xc) = iVar4;
      if (iVar4 < *(int *)(this + 8)) {
        if (this[0x10] == (bf_write)0x0) {
          pbVar6 = (byte *)((iVar4 >> 3) + *(int *)this);
          *pbVar6 = *pbVar6 | (byte)(1 << ((byte)iVar4 & 7));
          *(int *)(this + 0xc) = *(int *)(this + 0xc) + 1;
        }
        return;
      }
      goto LAB_00b63fe3;
    }
  }
  else if ((int)(iVar4 + uVar2) <= iVar1) {
    iVar1 = ((int)uVar2 >> 5) * 4;
    uVar2 = uVar2 & 0x1f;
    puVar7 = (uint *)(*(int *)this + iVar1);
    iVar5 = 0x20 - uVar2;
    *puVar7 = param_1 << (sbyte)uVar2 | (&g_BitWriteMasks)[uVar2 * 0x21 + iVar4] & *puVar7;
    if (iVar5 < iVar4) {
      puVar7 = (uint *)(*(int *)this + 4 + iVar1);
      *puVar7 = (&g_BitWriteMasks)[iVar4 - iVar5] & *puVar7 | (uint)param_1 >> ((byte)iVar5 & 0x1f);
    }
    iVar4 = iVar4 + *(int *)(this + 0xc);
    *(int *)(this + 0xc) = iVar4;
    if (iVar4 < *(int *)(this + 8)) {
      if (this[0x10] != (bf_write)0x0) {
        return;
      }
      pbVar6 = (byte *)((iVar4 >> 3) + *(int *)this);
      *pbVar6 = *pbVar6 & ~(byte)(1 << ((byte)iVar4 & 7));
      *(int *)(this + 0xc) = *(int *)(this + 0xc) + 1;
      return;
    }
    goto LAB_00b63fe3;
  }
  *(int *)(this + 0xc) = iVar1;
LAB_00b63fe3:
  this[0x10] = (bf_write)0x1;
  return;
}