CUtlVector<unsigned_char,CUtlMemory<unsigned_char,int>>::EnsureCount

/* CUtlVector<unsigned char, CUtlMemory<unsigned char, int> >::EnsureCount(int) */

void __thiscall
CUtlVector<unsigned_char,CUtlMemory<unsigned_char,int>>::EnsureCount
          (CUtlVector<unsigned_char,CUtlMemory<unsigned_char,int>> *this,int param_1)

{
  int iVar1;
  int iVar2;
  size_t __size;
  void *pvVar3;
  int iVar4;
  int iVar5;
  
  iVar1 = *(int *)(this + 0xc);
  if (param_1 <= iVar1) {
    return;
  }
  iVar4 = param_1 - iVar1;
  if (iVar4 == 0) {
    return;
  }
  __size = *(size_t *)(this + 4);
  iVar5 = iVar1;
  if ((int)__size < param_1) {
    iVar2 = *(int *)(this + 8);
    if (-1 < iVar2) {
      if (iVar2 == 0) {
        if (__size == 0) {
          if (param_1 < 0x21) {
            __size = 0x20;
            goto LAB_000f470f;
          }
          __size = 0x20;
        }
        do {
          __size = __size * 2;
        } while ((int)__size < param_1);
      }
      else {
        for (__size = ((param_1 + -1) / iVar2 + 1) * iVar2; (int)__size < param_1;
            __size = (int)(__size + param_1) / 2) {
        }
      }
LAB_000f470f:
      *(size_t *)(this + 4) = __size;
      if (*(void **)this == (void *)0x0) {
        pvVar3 = malloc(__size);
        *(void **)this = pvVar3;
      }
      else {
        pvVar3 = realloc(*(void **)this,__size);
        *(void **)this = pvVar3;
        iVar5 = *(int *)(this + 0xc);
      }
      goto LAB_000f46b1;
    }
  }
  pvVar3 = *(void **)this;
LAB_000f46b1:
  *(void **)(this + 0x10) = pvVar3;
  *(int *)(this + 0xc) = iVar5 + iVar4;
  iVar5 = ((iVar5 + iVar4) - iVar1) - iVar4;
  if ((0 < iVar5) && (0 < iVar4)) {
    _V_memmove((void *)((int)pvVar3 + param_1),(void *)(iVar1 + (int)pvVar3),iVar5);
  }
  return;
}