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add NULL check to malloc_usable_size

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David Mendenhall 2020-04-20 15:00:48 -07:00
parent e6fccdd9c1
commit 441b64b467
1 changed files with 1 additions and 1 deletions
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libdislocator/libdislocator.so.c
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@ -466,7 +466,7 @@ void *reallocarray(void *ptr, size_t elem_len, size_t elem_cnt) {
size_t malloc_usable_size(void *ptr) {
return PTR_L(ptr);
return ptr ? PTR_L(ptr) : 0;
}