CUtlVector<CHandle<CVGuiScreen>,CUtlMemory<CHandle<CVGuiScreen>,int>>::InsertBefore

/* CUtlVector<CHandle<CVGuiScreen>, CUtlMemory<CHandle<CVGuiScreen>, int> >::InsertBefore(int) */

int __thiscall
CUtlVector<CHandle<CVGuiScreen>,CUtlMemory<CHandle<CVGuiScreen>,int>>::InsertBefore
          (CUtlVector<CHandle<CVGuiScreen>,CUtlMemory<CHandle<CVGuiScreen>,int>> *this,int param_1)

{
  int iVar1;
  void *pvVar2;
  int iVar3;
  int iVar4;
  
  iVar3 = *(int *)(this + 4);
  iVar4 = *(int *)(this + 0xc) + 1;
  if (iVar3 < iVar4) {
    iVar1 = *(int *)(this + 8);
    if (-1 < iVar1) {
      if (iVar1 == 0) {
        if (iVar3 == 0) {
          if (iVar4 < 9) {
            iVar3 = 8;
            goto LAB_0041d686;
          }
          iVar3 = 8;
        }
        do {
          iVar3 = iVar3 * 2;
        } while (iVar3 < iVar4);
      }
      else {
        for (iVar3 = iVar1 * (*(int *)(this + 0xc) / iVar1 + 1); iVar3 < iVar4;
            iVar3 = (iVar3 + iVar4) / 2) {
        }
      }
LAB_0041d686:
      *(int *)(this + 4) = iVar3;
      if (*(void **)this == (void *)0x0) {
        pvVar2 = malloc(iVar3 << 2);
        *(void **)this = pvVar2;
      }
      else {
        pvVar2 = realloc(*(void **)this,iVar3 << 2);
        *(void **)this = pvVar2;
        iVar4 = *(int *)(this + 0xc) + 1;
      }
      goto LAB_0041d61e;
    }
  }
  pvVar2 = *(void **)this;
LAB_0041d61e:
  *(int *)(this + 0xc) = iVar4;
  iVar4 = (iVar4 - param_1) + -1;
  *(void **)(this + 0x10) = pvVar2;
  iVar3 = param_1 * 4;
  if (0 < iVar4) {
    _V_memmove((void *)((int)pvVar2 + iVar3 + 4),(void *)((int)pvVar2 + iVar3),iVar4 * 4);
    pvVar2 = *(void **)this;
  }
  if ((undefined4 *)((int)pvVar2 + iVar3) != (undefined4 *)0x0) {
    *(undefined4 *)((int)pvVar2 + iVar3) = 0xffffffff;
  }
  return param_1;
}