CUtlVector<CExpressionSample,CUtlMemory<CExpressionSample,int>>::InsertBefore

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

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

{
  undefined4 *puVar1;
  void *pvVar2;
  int iVar3;
  int iVar4;
  int iVar5;
  
  iVar4 = *(int *)(this + 4);
  iVar5 = *(int *)(this + 0xc) + 1;
  if (iVar4 < iVar5) {
    iVar3 = *(int *)(this + 8);
    if (-1 < iVar3) {
      if (iVar3 == 0) {
        if (iVar4 == 0) {
          if (iVar5 < 5) {
            iVar3 = 4;
            goto LAB_00bb835f;
          }
          iVar4 = 4;
        }
        do {
          iVar3 = iVar4 * 2;
          if (iVar5 <= iVar3) break;
          iVar3 = iVar4 * 4;
          iVar4 = iVar3;
        } while (iVar3 < iVar5);
      }
      else {
        for (iVar3 = iVar3 * (*(int *)(this + 0xc) / iVar3 + 1); iVar3 < iVar5;
            iVar3 = (iVar3 + iVar5) / 2) {
        }
      }
LAB_00bb835f:
      *(int *)(this + 4) = iVar3;
      if (*(void **)this == (void *)0x0) {
        pvVar2 = malloc(iVar3 * 10);
        *(void **)this = pvVar2;
      }
      else {
        pvVar2 = realloc(*(void **)this,iVar3 * 10);
        *(void **)this = pvVar2;
        iVar5 = *(int *)(this + 0xc) + 1;
      }
      goto LAB_00bb82de;
    }
  }
  pvVar2 = *(void **)this;
LAB_00bb82de:
  *(int *)(this + 0xc) = iVar5;
  iVar5 = (iVar5 - param_1) + -1;
  *(void **)(this + 0x10) = pvVar2;
  iVar4 = param_1 * 10;
  if (0 < iVar5) {
    _V_memmove((void *)((int)pvVar2 + iVar4 + 10),(void *)((int)pvVar2 + iVar4),iVar5 * 10);
    pvVar2 = *(void **)this;
  }
  puVar1 = (undefined4 *)((int)pvVar2 + iVar4);
  if (puVar1 != (undefined4 *)0x0) {
    *puVar1 = 0;
    puVar1[1] = 0;
    *(undefined1 *)(puVar1 + 2) = 0;
    *(undefined1 *)((int)puVar1 + 9) = 0;
  }
  return param_1;
}