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add initial malloc_object_size extensions

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Daniel Micay 2018-08-29 13:43:35 -04:00
parent 00b2613e16
commit 2684a98eab
2 changed files with 42 additions and 1 deletions
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8
malloc.h
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@ -48,4 +48,12 @@ void *h_valloc(size_t size);
void *h_pvalloc(size_t size);
void h_cfree(void *ptr);
// custom extensions
// return an upper bound on object size for any pointer based on malloc metadata
size_t h_malloc_object_size(void *ptr);
// similar to malloc_object_size, but avoiding locking so the results are much more limited
size_t h_malloc_object_size_fast(void *ptr);
#endif