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authorAndrew Tridgell <tridge@samba.org>2004-08-21 01:54:46 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:58:14 -0500
commitb83ba93eaeb2dcb0bf11615591d886fda84e4162 (patch)
treeb2fe3c5a6ea7a9bd1f5f416e545ee26d4a207ac5 /source4/smb_server
parent326f562e72c0776f469a8af93e25a2cc94dff60e (diff)
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r1983: a completely new implementation of talloc
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(). (This used to be commit e35bb094c52e550b3105dd1638d8d90de71d854f)
Diffstat (limited to 'source4/smb_server')
-rw-r--r--source4/smb_server/request.c4
-rw-r--r--source4/smb_server/trans2.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/source4/smb_server/request.c b/source4/smb_server/request.c
index e9aeb168bc..e3f54bde65 100644
--- a/source4/smb_server/request.c
+++ b/source4/smb_server/request.c
@@ -89,7 +89,7 @@ static void req_setup_chain_reply(struct smbsrv_request *req, uint_t wct, uint_t
/* over allocate by a small amount */
req->out.allocated = req->out.size + REQ_OVER_ALLOCATION;
- req->out.buffer = talloc_realloc(req->mem_ctx, req->out.buffer, req->out.allocated);
+ req->out.buffer = talloc_realloc(req->out.buffer, req->out.allocated);
if (!req->out.buffer) {
smbsrv_terminate_connection(req->smb_conn, "allocation failed");
}
@@ -203,7 +203,7 @@ static void req_grow_allocation(struct smbsrv_request *req, uint_t new_size)
/* we need to realloc */
req->out.allocated = req->out.size + delta + REQ_OVER_ALLOCATION;
- buf2 = talloc_realloc(req->mem_ctx, req->out.buffer, req->out.allocated);
+ buf2 = talloc_realloc(req->out.buffer, req->out.allocated);
if (buf2 == NULL) {
smb_panic("out of memory in req_grow_allocation");
}
diff --git a/source4/smb_server/trans2.c b/source4/smb_server/trans2.c
index f080cd2abc..5f73dc7497 100644
--- a/source4/smb_server/trans2.c
+++ b/source4/smb_server/trans2.c
@@ -39,7 +39,7 @@ static void trans2_grow_data_allocation(struct smbsrv_request *req,
if (new_size <= trans->out.data.length) {
return;
}
- trans->out.data.data = talloc_realloc(req->mem_ctx, trans->out.data.data, new_size);
+ trans->out.data.data = talloc_realloc(trans->out.data.data, new_size);
}