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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 11:06

>>11
People who still use ints for addressing memory offsets should be shot on sight. Also, that code leaves it up to the user of the data structure to manage head and tail indices. Shitty code.

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