change CX_STR: use compound literal in C and ctor in C++

add convenience functions for allocating a buffer on the heap

work around some MSC problems

fix common.h include problems - fixes #255

fix wrong operator precedence in destructor macros

add pointer array list tests

reformat code

refactoring of collections to make use of destructors in map implementations

(0) -300 -100 -30 -10 -8 +8 +10 +30 +100 +300 tip

mercurial