CUtlVector<Extent,CUtlMemory<Extent,int>>::AddVectorToTail

/* CUtlVector<Extent, CUtlMemory<Extent, int> >::AddVectorToTail(CUtlVector<Extent,
   CUtlMemory<Extent, int> > const&) */

int __thiscall
CUtlVector<Extent,CUtlMemory<Extent,int>>::AddVectorToTail
          (CUtlVector<Extent,CUtlMemory<Extent,int>> *this,CUtlVector *param_1)

{
  int iVar1;
  undefined4 *puVar2;
  int iVar3;
  undefined4 *puVar4;
  int iVar5;
  
  iVar3 = *(int *)(param_1 + 0xc);
  iVar1 = *(int *)(this + 0xc);
  if (iVar3 != 0) {
    GrowVector(this,iVar3);
    ShiftElementsRight(this,iVar1,iVar3);
    if (0 < *(int *)(param_1 + 0xc)) {
      iVar3 = 0;
      iVar5 = 0;
      do {
        iVar5 = iVar5 + 1;
        puVar2 = (undefined4 *)(iVar1 * 0x18 + iVar3 + *(int *)this);
        puVar4 = (undefined4 *)(*(int *)param_1 + iVar3);
        iVar3 = iVar3 + 0x18;
        *puVar2 = *puVar4;
        puVar2[1] = puVar4[1];
        puVar2[2] = puVar4[2];
        puVar2[3] = puVar4[3];
        puVar2[4] = puVar4[4];
        puVar2[5] = puVar4[5];
      } while (iVar5 < *(int *)(param_1 + 0xc));
      return iVar1;
    }
  }
  return iVar1;
}