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third_party
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musl
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src
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malloc
/
oldmalloc
/
malloc_usable_size.c
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#include
<malloc.h>
#include
"malloc_impl.h"
hidden
void
*(*
const
__realloc_dep
)(
void
*,
size_t
)
=
realloc
;
size_t
malloc_usable_size
(
void
*
p
)
{
return
p
?
CHUNK_SIZE
(
MEM_TO_CHUNK
(
p
))
-
OVERHEAD
:
0
;
}