From c14b7e648bcfc4865da4b290e46977fff81d4500 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Sun, 1 Feb 2009 16:32:02 +0100 Subject: Split up async_req into a generic and a NTSTATUS specific part --- lib/async_req/async_req_ntstatus.c | 82 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 lib/async_req/async_req_ntstatus.c (limited to 'lib/async_req/async_req_ntstatus.c') diff --git a/lib/async_req/async_req_ntstatus.c b/lib/async_req/async_req_ntstatus.c new file mode 100644 index 0000000000..dd81026074 --- /dev/null +++ b/lib/async_req/async_req_ntstatus.c @@ -0,0 +1,82 @@ +/* + Unix SMB/CIFS implementation. + NTSTATUS wrappers for async_req.h + Copyright (C) Volker Lendecke 2008, 2009 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include "includes.h" +#include "lib/tevent/tevent.h" +#include "lib/talloc/talloc.h" +#include "lib/util/dlinklist.h" +#include "lib/async_req/async_req_ntstatus.h" + +/** + * @brief Helper function for nomem check + * @param[in] p The pointer to be checked + * @param[in] req The request being processed + * + * Convenience helper to easily check alloc failure within a callback + * implementing the next step of an async request. + * + * Call pattern would be + * \code + * p = talloc(mem_ctx, bla); + * if (async_req_ntnomem(p, req)) { + * return; + * } + * \endcode + */ + +bool async_req_ntnomem(const void *p, struct async_req *req) +{ + if (p != NULL) { + return false; + } + async_req_nterror(req, NT_STATUS_NO_MEMORY); + return true; +} + +void async_req_nterror(struct async_req *req, NTSTATUS status) +{ + async_req_error(req, NT_STATUS_V(status)); +} + +bool async_post_ntstatus(struct async_req *req, struct tevent_context *ev, + NTSTATUS status) +{ + return async_post_error(req, ev, NT_STATUS_V(status)); +} + +bool async_req_is_nterror(struct async_req *req, NTSTATUS *status) +{ + uint32_t error = NT_STATUS_V(NT_STATUS_INTERNAL_ERROR); + + if (async_req_is_error(req, &error)) { + *status = NT_STATUS(error); + return true; + } + return false; +} + +NTSTATUS async_req_simple_recv_ntstatus(struct async_req *req) +{ + NTSTATUS status; + + if (async_req_is_nterror(req, &status)) { + return status; + } + return NT_STATUS_OK; +} -- cgit