Re: Dynamic arrays

[Bob Pendleton <bob@pendleton.com>]

Malloc, free, and realloc are the standard way to do this. You declare a
pointer to a vector of tyhe data type you want and then malloc a chunk
of memory with a size of (sizeof(my_struct_type) * length_of_vector.
When you want to add to the end of the vector just realloc() the memory
to the new size.

		Bob P.


dakline@vassar.edu wrote:
> 
> Here's a topic that comes up all the time. How do you allocate the size of
> an array after a program has been started. I know you can change the size
> of STL vectors but that's not what I want. I imagine it has something to do
> with the char* format, using null-terminated strings maybe, but that won't
> work for other data types, and the method behind it is mysterious to me.
> 
> Would someone mind giving the topic a rundown for me?
> 
> thanks,
> SirFern
> 
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