CUtlVector<vehicle_gear_t,CUtlMemory<vehicle_gear_t,int>>::GrowVector

/* CUtlVector<vehicle_gear_t, CUtlMemory<vehicle_gear_t, int> >::GrowVector(int) */

void __thiscall
CUtlVector<vehicle_gear_t,CUtlMemory<vehicle_gear_t,int>>::GrowVector
          (CUtlVector<vehicle_gear_t,CUtlMemory<vehicle_gear_t,int>> *this,int param_1)

{
  int iVar1;
  void *pvVar2;
  int iVar3;
  int iVar4;
  
  iVar3 = *(int *)(this + 4);
  iVar4 = *(int *)(this + 0xc) + param_1;
  if (iVar3 < iVar4) {
    iVar1 = *(int *)(this + 8);
    if (-1 < iVar1) {
      if (iVar1 == 0) {
        if (iVar3 == 0) {
          if (iVar4 < 3) {
            iVar1 = 2;
            goto LAB_00783a3f;
          }
          iVar3 = 2;
        }
        do {
          iVar1 = iVar3 * 2;
          if (iVar4 <= iVar1) break;
          iVar1 = iVar3 * 4;
          iVar3 = iVar1;
        } while (iVar1 < iVar4);
      }
      else {
        for (iVar1 = ((iVar4 + -1) / iVar1 + 1) * iVar1; iVar1 < iVar4; iVar1 = (iVar1 + iVar4) / 2)
        {
        }
      }
LAB_00783a3f:
      *(int *)(this + 4) = iVar1;
      if (*(void **)this != (void *)0x0) {
        pvVar2 = realloc(*(void **)this,iVar1 << 4);
        *(void **)this = pvVar2;
        *(void **)(this + 0x10) = pvVar2;
        *(int *)(this + 0xc) = param_1 + *(int *)(this + 0xc);
        return;
      }
      pvVar2 = malloc(iVar1 << 4);
      *(void **)this = pvVar2;
      goto LAB_007839fd;
    }
  }
  pvVar2 = *(void **)this;
LAB_007839fd:
  *(int *)(this + 0xc) = iVar4;
  *(void **)(this + 0x10) = pvVar2;
  return;
}