11 lines
247 B
C
11 lines
247 B
C
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#include "libc/mem/mem.h"
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#include "third_party/dlmalloc/dlmalloc.h"
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size_t dlmalloc_usable_size(const void* mem) {
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if (mem != 0) {
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mchunkptr p = mem2chunk(mem);
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if (is_inuse(p)) return chunksize(p) - overhead_for(p);
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}
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return 0;
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}
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