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Because -r 3591 removed the over-allocation, realloc() had a chance of
returning a different pointer. This broke the length calculations in
the trans2 send code.
I think the length calculations coudld be better expressed (less cute
PTR_DIFF tricks) but I'm not going to touch this any more than I need
to.
Andrew Bartlett
them properly (they are difficult to do in an async fashion).
By choosing trans.in.max_data to fix in the negotiated buffer size a
server won't send us multi-part replies.
I notice that windows seems to avoid them too :)
to get auto-naming of pointers very cheaply.
- fixed a couple of memory leaks found with the new tricks
A typical exit report for smbd is now:
talloc report on 'null_context' (total 811 bytes in 54 blocks)
auth/auth_sam.c:334 contains 20 bytes in 1 blocks
struct auth_serversupplied_info contains 498 bytes in 33 blocks
UNNAMED contains 8 bytes in 1 blocks
lib/data_blob.c:40 contains 16 bytes in 1 blocks
iconv(CP850,UTF8) contains 61 bytes in 4 blocks
iconv(UTF8,CP850) contains 61 bytes in 4 blocks
iconv(UTF8,UTF-16LE) contains 67 bytes in 4 blocks
iconv(UTF-16LE,UTF8) contains 67 bytes in 4 blocks
UNNAMED contains 13 bytes in 1 blocks
which is much better than before
This version does the following:
1) talloc_free(), talloc_realloc() and talloc_steal() lose their
(redundent) first arguments
2) you can use _any_ talloc pointer as a talloc context to allocate
more memory. This allows you to create complex data structures
where the top level structure is the logical parent of the next
level down, and those are the parents of the level below
that. Then destroy either the lot with a single talloc_free() or
destroy any sub-part with a talloc_free() of that part
3) you can name any pointer. Use talloc_named() which is just like
talloc() but takes the printf style name argument as well as the
parent context and the size.
The whole thing ends up being a very simple piece of code, although
some of the pointer walking gets hairy.
So far, I'm just using the new talloc() like the old one. The next
step is to actually take advantage of the new interface
properly. Expect some new commits soon that simplify some common
coding styles in samba4 by using the new talloc().
request (a dead socket). I discovered this when testing against Sun's
PC-NetLink.
cleaned up the naming of some of the samr requests
add IDL and test code for samr_QueryGroupMember(),
samr_SetMemberAttributesOfGroup() and samr_Shutdown(). (actually, I
didn't leave the samr_Shutdown() test in, as its fatal to windows
servers due to doing exactly what it says it does).
