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/*
Unix SMB/CIFS implementation.
common macros for the dcerpc server interfaces
Copyright (C) Stefan (metze) Metzmacher 2004
Copyright (C) Andrew Tridgell 2004
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define NTSTATUS_TALLOC_CHECK(x) do {\
if (!(x)) return NT_STATUS_NO_MEMORY;\
} while (0)
#define WERR_TALLOC_CHECK(x) do {\
if (!(x)) return WERR_NOMEM;\
} while (0)
/* a useful macro for generating a RPC fault in the backend code */
#define DCESRV_FAULT(code) do { \
dce_call->fault_code = code; \
return r->out.result; \
} while(0)
/* a useful macro for checking the validity of a dcerpc policy handle
and giving the right fault code if invalid */
#define DCESRV_CHECK_HANDLE(h) do {if (!(h)) DCESRV_FAULT(DCERPC_FAULT_CONTEXT_MISMATCH); } while (0)
/* this checks for a valid policy handle, and gives a fault if an
invalid handle or retval if the handle is of the
wrong type */
#define DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, retval) do { \
(h) = dcesrv_handle_fetch(dce_call->conn, (inhandle), DCESRV_HANDLE_ANY); \
DCESRV_CHECK_HANDLE(h); \
if ((t) != DCESRV_HANDLE_ANY && (h)->wire_handle.handle_type != (t)) { \
return retval; \
} \
} while (0)
#define DCESRV_PULL_HANDLE(h, inhandle, t) DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, NT_STATUS_INVALID_HANDLE)
#define DCESRV_PULL_HANDLE_WERR(h, inhandle, t) DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, WERR_BADFID)
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