1
0
mirror of https://github.com/samba-team/samba.git synced 2024-12-25 23:21:54 +03:00
samba-mirror/source4/include/nt_status.h
Stefan Metzmacher 2c34148db5 r4420: - add usefull helper macros for allocation failures,
they should be used in mostly all our code after
  calling a talloc_* function

- the current NTSTATUS_TALLOC_CHECK() and WERR_TALLOC_CHECK()
  should be replaced by this new macros

metze
(This used to be commit b6376590f4)
2007-10-10 13:07:47 -05:00

85 lines
2.7 KiB
C

/*
Unix SMB/CIFS implementation.
SMB parameters and setup, plus a whole lot more.
Copyright (C) Andrew Tridgell 2001
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.
*/
#ifndef _NT_STATUS_H
#define _NT_STATUS_H
/* The Splint code analysis tool doesn't like immediate structures. */
#ifdef _SPLINT_ /* http://www.splint.org */
#undef HAVE_IMMEDIATE_STRUCTURES
#endif
/* the following rather strange looking definitions of NTSTATUS and WERROR
and there in order to catch common coding errors where different error types
are mixed up. This is especially important as we slowly convert Samba
from using BOOL for internal functions
*/
#if defined(HAVE_IMMEDIATE_STRUCTURES)
typedef struct {uint32_t v;} NTSTATUS;
#define NT_STATUS(x) ((NTSTATUS) { x })
#define NT_STATUS_V(x) ((x).v)
#else
typedef uint32_t NTSTATUS;
#define NT_STATUS(x) (x)
#define NT_STATUS_V(x) (x)
#endif
#if defined(HAVE_IMMEDIATE_STRUCTURES)
typedef struct {uint32_t v;} WERROR;
#define W_ERROR(x) ((WERROR) { x })
#define W_ERROR_V(x) ((x).v)
#else
typedef uint32_t WERROR;
#define W_ERROR(x) (x)
#define W_ERROR_V(x) (x)
#endif
#define NT_STATUS_IS_OK(x) (NT_STATUS_V(x) == 0)
#define NT_STATUS_IS_ERR(x) ((NT_STATUS_V(x) & 0xc0000000) == 0xc0000000)
#define NT_STATUS_EQUAL(x,y) (NT_STATUS_V(x) == NT_STATUS_V(y))
#define NT_STATUS_HAVE_NO_MOMORY(x) do { \
if (!(x)) {\
return NT_STATUS_NO_MEMORY;\
}\
} while (0)
#define W_ERROR_IS_OK(x) (W_ERROR_V(x) == 0)
#define W_ERROR_EQUAL(x,y) (W_ERROR_V(x) == W_ERROR_V(y))
#define W_ERROR_HAVE_NO_MOMORY(x) do { \
if (!(x)) {\
return WERR_NOMEM;\
}\
} while (0)
/* this defines special NTSTATUS codes to represent DOS errors. I
have chosen this macro to produce status codes in the invalid
NTSTATUS range */
#define NT_STATUS_DOS(class, code) NT_STATUS(0xF1000000 | ((class)<<16) | code)
#define NT_STATUS_IS_DOS(status) ((NT_STATUS_V(status) & 0xFF000000) == 0xF1000000)
#define NT_STATUS_DOS_CLASS(status) ((NT_STATUS_V(status) >> 16) & 0xFF)
#define NT_STATUS_DOS_CODE(status) (NT_STATUS_V(status) & 0xFFFF)
#endif