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More pointer function tweaks

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27862 72102866-910b-0410-8b05-ffd578937521
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rfm 2009-02-14 16:38:59 +00:00
parent fdbddae139
commit a38abb85a5
5 changed files with 111 additions and 18 deletions
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36
Source/NSConcretePointerFunctions.h
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@ -55,3 +55,39 @@
@end
/* Macros to make use of the pointer functions.
*/
/* Acquire the pointer value to store for the specified item.
*/
#define GSPFAcquire(PF,Item) \
(*(PF)->_acquireFunction)(Item, (PF)->_sizeFunction, (PF)->shouldCopyIn)
/* Generate an NSString description of the item
*/
#define GSPFDescribe(PF,Item) (*(PF)->_acquireFunction)(Item)
/* Generate the hash of the item
*/
#define GSPFHash(PF,Item) (*(PF)->_hashFunction)(Item, (PF)->_sizeFunction)
/* Compare two items for equality
*/
#define GSPFIsEqual(PF,Item1, Item2) \
(*(PF)->_isEqualFunction)(Item1, Item2, (PF)->_sizeFunction)
/* Relinquish the specified item and set it to zero.
*/
#define GSPFRelinquish(PF,Item) ({ \
if ((PF)->_relinquishFunction != 0) \
(*(PF)->_relinquishFunction)(Item, (PF)->_sizeFunction); \
if ((PF)->usesWeakReadAndWriteBarriers) \
GSAssignZeroingWeakPointer((void**)&Item, (void*)0); \
else \
Item = 0; \
})