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r7778: added talloc_find_parent_bytype() and talloc_find_parent_byname()

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These provide a way to find a parent of a ptr that is of a given
type. I will be using this to find the event context in smbd, relying
on the fact that everything is a child of the top level event
context. I did look at the alternatives, and found that passing the
event context to just about every call in smbd was getting way too
complex (we need to get it to anything that can do a ldb operation, as
that can invoke ldap).

So this method avoids a global, and seems to work nicely
This commit is contained in:
Andrew Tridgell
2005-06-20 05:03:54 +00:00
committed by Gerald (Jerry) Carter
parent 40948ba384
commit bdb55c7a10
3 changed files with 40 additions and 0 deletions
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source/lib/talloc/talloc.h
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@@ -65,6 +65,8 @@ typedef void TALLOC_CTX;
#define talloc_set_type(ptr, type) talloc_set_name_const(ptr, #type)
#define talloc_get_type(ptr, type) (type *)talloc_check_name(ptr, #type)
#define talloc_find_parent_bytype(ptr, type) (type *)talloc_find_parent_byname(ptr, #type)
#if TALLOC_DEPRECATED
#define talloc_zero_p(ctx, type) talloc_zero(ctx, type)
@@ -127,6 +129,7 @@ void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned
void *talloc_realloc_fn(const void *context, void *ptr, size_t size);
void *talloc_autofree_context(void);
size_t talloc_get_size(const void *ctx);
void *talloc_find_parent_byname(const void *ctx, const char *name);
#endif