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2006-12-18 Jeff Johnston <jjohnstn@redhat.com>

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* libc/stdlib/mallocr.c (malloc_extend_top): Add patch from
        2.6.5 version of Doug Lea's malloc which is the basis of
        this code.
This commit is contained in:
Jeff Johnston
2006-12-18 20:21:48 +00:00
parent 9b354d7f3b
commit f522256075
2 changed files with 12 additions and 1 deletions
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2
newlib/libc/stdlib/mallocr.c
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@ -2223,11 +2223,11 @@ static void malloc_extend_top(RARG nb) RDECL INTERNAL_SIZE_T nb;
/* Also keep size a multiple of MALLOC_ALIGNMENT */
old_top_size = (old_top_size - 3*SIZE_SZ) & ~MALLOC_ALIGN_MASK;
set_head_size(old_top, old_top_size);
chunk_at_offset(old_top, old_top_size )->size =
SIZE_SZ|PREV_INUSE;
chunk_at_offset(old_top, old_top_size + SIZE_SZ)->size =
SIZE_SZ|PREV_INUSE;
set_head_size(old_top, old_top_size);
/* If possible, release the rest. */
if (old_top_size >= MINSIZE)
fREe(RCALL chunk2mem(old_top));