> Malloc doesnt guarantee an alignment of any sort.
Yes it does. It guarantees that what it returns can be used for
worst-case alignment so that anything will work, as in
int* foo = (int*)malloc(sizeof *foo);
*foo = 42;
free(foo);
In this particular case, malloc may return "three" extra bytes, knowing
that they will be wasted by the cast. But then it has to allow for that
in the implementation of free(), and that's very hard to do. So malloc
returns a pointer that is already worst-case aligned.
/r$
--
Rich Salz Chief Security Architect
DataPower Technology http://www.datapower.com
XS40 XML Security Gateway http://www.datapower.com/products/xs40.html
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