RE: [MI400] Space pointers

["Njål Fisketjøn" <n.f@xxxxxxx>]

Jim Langston wrote:

> I could think of a few uses.
>
> 1. I have a buffer I am using that, currently, is 1000 bytes.
> I've used up
> 500 bytes so far.  I want to add an element that's 600 bytes.  Rather than
> add 100 bytes to the end, re-allocate 600 bytes from byte 501.

What's the difference? Don't you get bytes 501 to 1100 either way?

> 2. I have a buffer of records that are 100 bytes each, and I have
> 10 so far,
> for 1000 bytes.  I want to add a record into the middle.  Rather than add
> the 100 bytes at the end and shift the records from 5 to 10 to the next
> record, just add 100 bytes in the middle.

> 3. I want to delete a record in the middle as the above scenario.


Wouldn't user indexes be faster for this type of application?