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Circular Buffer

Name: Anonymous 2011-01-06 10:01

Hi /prog/

Some time ago I started to write a well designed library of useful algorithms in C. As long as I needed more stuff, I simply added pieces.

Today I'm pretty bored, so I'd like to add an implementation for circular buffers. Since however I don't really need it (it's just for fun), I'm wondering which is the most useful semantics for a circular buffer.

For instance:
[list]
[*] Is it worthy to write a primitive which applies a function on every availabe element from the oldest to the most recent?
[*] What if the buffer is full and I want to insert a new element? Should I overwrite the oldest one or should I make the request fail instead?
[/list]

Which are, in general, the kind of functionalities you'll prefer?

Name: Anonymous 2011-01-06 10:45

>>6
Wouldn't it be best if he just used a linked list if all he wanted was to push/pop elements? No overwriting needed there, and requests won't fail, unless you run out of RAM.

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