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Provide zone_size function: free() uses it to find the zone pointer belongs to in order to call the corresponding zone_free function

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This commit is contained in:
Anton Korobeynikov 2020-04-21 15:10:49 +03:00
parent 07d72f4fba
commit fe976caaea
1 changed files with 5 additions and 2 deletions
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7
src/alloc-override-osx.c
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@ -41,8 +41,11 @@ extern malloc_zone_t* malloc_default_purgeable_zone(void) __attribute__((weak_im
------------------------------------------------------ */
static size_t zone_size(malloc_zone_t* zone, const void* p) {
UNUSED(zone); UNUSED(p);
return 0; // as we cannot guarantee that `p` comes from us, just return 0
UNUSED(zone);
if (!mi_is_in_heap_region(p))
return 0; // not our pointer, bail out
return mi_usable_size(p);
}
static void* zone_malloc(malloc_zone_t* zone, size_t size) {