CUtlMemory<UtlRBTreeNode_t<AI_CriteriaSet::CritEntry_t,short>,short>::Grow

/* CUtlMemory<UtlRBTreeNode_t<AI_CriteriaSet::CritEntry_t, short>, short>::Grow(int) */

void __thiscall
CUtlMemory<UtlRBTreeNode_t<AI_CriteriaSet::CritEntry_t,short>,short>::Grow
          (CUtlMemory<UtlRBTreeNode_t<AI_CriteriaSet::CritEntry_t,short>,short> *this,int param_1)

{
  int iVar1;
  short sVar2;
  int iVar3;
  void *pvVar4;
  uint uVar5;
  uint uVar6;
  
  iVar1 = *(int *)(this + 8);
  if (iVar1 < 0) {
    return;
  }
  iVar3 = *(int *)(this + 4);
  uVar5 = param_1 + iVar3;
  if (iVar1 == 0) {
    if (iVar3 == 0) {
      iVar3 = 1;
    }
    for (; iVar3 < (int)uVar5; iVar3 = iVar3 * 2) {
    }
  }
  else {
    iVar3 = ((int)(uVar5 - 1) / iVar1 + 1) * iVar1;
  }
  sVar2 = (short)iVar3;
  if ((int)sVar2 < (int)uVar5) {
    if ((sVar2 == 0) && (0x7fffffff < uVar5)) {
      iVar3 = iVar3 + -1;
    }
    else {
      uVar6 = (uint)(short)uVar5;
      if (uVar6 != uVar5) {
        return;
      }
      if ((int)sVar2 < (int)uVar5) {
        do {
          iVar3 = (int)(iVar3 + uVar6) / 2;
        } while ((int)(short)iVar3 < (int)uVar6);
        pvVar4 = *(void **)this;
        *(int *)(this + 4) = iVar3;
        goto joined_r0x005ab4f5;
      }
    }
  }
  pvVar4 = *(void **)this;
  *(int *)(this + 4) = iVar3;
joined_r0x005ab4f5:
  if (pvVar4 != (void *)0x0) {
    pvVar4 = realloc(pvVar4,iVar3 * 0x50);
    *(void **)this = pvVar4;
    return;
  }
  pvVar4 = malloc(iVar3 * 0x50);
  *(void **)this = pvVar4;
  return;
}