Alignment of objects returned by malloc() and operator new()

Chris Johns chrisj at rtems.org
Fri Dec 7 20:41:32 UTC 2007


Robert S. Grimes wrote:
> Quick questions
> 
> 1. What are the alignment characteristics of memory returned by malloc()?
> 
> 2. What about operator new()?
> 
> I need to allocate memory for the Partition Manager, which wants it 
> allocated on a 4-byte boundary - need I do anything special?
> 

The most portable way is to allocate 4 bytes more and then move the start address.

Regards
Chris



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