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talloc: add TC_POOL_SPACE_LEFT() macro

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metze

Signed-off-By: Andrew Tridgell <tridge@samba.org>
This commit is contained in:
Stefan Metzmacher 2011-03-31 16:51:40 +02:00
parent 4084cb723c
commit 13fab67995
1 changed files with 5 additions and 2 deletions
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7
lib/talloc/talloc.c
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@ -333,6 +333,10 @@ _PUBLIC_ const char *talloc_parent_name(const void *ptr)
#define TALLOC_POOL_HDR_SIZE 16
#define TC_POOL_SPACE_LEFT(_pool_tc) \
PTR_DIFF(TC_HDR_SIZE + (_pool_tc)->size + (char *)(_pool_tc), \
(_pool_tc)->pool)
static unsigned int *talloc_pool_objectcount(struct talloc_chunk *tc)
{
return (unsigned int *)((char *)tc + TC_HDR_SIZE);
@ -365,8 +369,7 @@ static struct talloc_chunk *talloc_alloc_pool(struct talloc_chunk *parent,
return NULL;
}
space_left = ((char *)pool_ctx + TC_HDR_SIZE + pool_ctx->size)
- ((char *)pool_ctx->pool);
space_left = TC_POOL_SPACE_LEFT(pool_ctx);
/*
* Align size to 16 bytes