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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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10
third_party/dlmalloc/dlmalloc-usable.c vendored Normal file
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#include "libc/mem/mem.h"
#include "third_party/dlmalloc/dlmalloc.h"
size_t dlmalloc_usable_size(const void* mem) {
if (mem != 0) {
mchunkptr p = mem2chunk(mem);
if (is_inuse(p)) return chunksize(p) - overhead_for(p);
}
return 0;
}