Last change
on this file since 373 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
384 bytes
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Rev | Line | |
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[352] | 1 | #include <malloc.h>
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| 2 |
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| 3 | void *(*const __realloc_dep)(void *, size_t) = realloc;
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| 4 |
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| 5 | struct chunk {
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| 6 | size_t psize, csize;
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| 7 | struct chunk *next, *prev;
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| 8 | };
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| 9 |
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| 10 | #define OVERHEAD (2*sizeof(size_t))
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| 11 | #define CHUNK_SIZE(c) ((c)->csize & -2)
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| 12 | #define MEM_TO_CHUNK(p) (struct chunk *)((char *)(p) - OVERHEAD)
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| 13 |
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| 14 | size_t malloc_usable_size(void *p)
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| 15 | {
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| 16 | return p ? CHUNK_SIZE(MEM_TO_CHUNK(p)) - OVERHEAD : 0;
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| 17 | }
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