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Check for NULL ptr in malloc_usable_size().

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Check for NULL ptr in malloc_usable_size(), rather than just asserting
that ptr is non-NULL.  This matches behavior of other implementations
(e.g., glibc and tcmalloc).
This commit is contained in:
Jason Evans
2012-03-26 13:13:55 -07:00
parent 5b3db098f7
commit 2465bdf493
1 changed files with 2 additions and 4 deletions
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6
src/jemalloc.c
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@@ -1230,10 +1230,8 @@ je_malloc_usable_size(const void *ptr)
if (config_ivsalloc) if (config_ivsalloc)
ret = ivsalloc(ptr); ret = ivsalloc(ptr);
else { else
assert(ptr != NULL); ret = (ptr != NULL) ? isalloc(ptr) : 0;
ret = isalloc(ptr);
}
return (ret); return (ret);
} }