1 files changed, 127 insertions, 0 deletions
diff --git a/source4/libcli/util/nt_status.h b/source4/libcli/util/nt_status.h
new file mode 100644
index 0000000000..a805a1cfbd
--- /dev/null
+++ b/source4/libcli/util/nt_status.h
@@ -0,0 +1,127 @@
+/* 
+   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)
+/* checking for DOS error mapping here is ugly, but unfortunately the
+   alternative is a very intrusive rewrite of the torture code */
+#define NT_STATUS_EQUAL(x,y) (NT_STATUS_IS_DOS(x)||NT_STATUS_IS_DOS(y)?ntstatus_dos_equal(x,y):NT_STATUS_V(x) == NT_STATUS_V(y))
+
+#define NT_STATUS_HAVE_NO_MEMORY(x) do { \
+	if (!(x)) {\
+		return NT_STATUS_NO_MEMORY;\
+	}\
+} while (0)
+
+#define NT_STATUS_IS_OK_RETURN(x) do { \
+	if (NT_STATUS_IS_OK(x)) {\
+		return x;\
+	}\
+} while (0)
+
+#define NT_STATUS_NOT_OK_RETURN(x) do { \
+	if (!NT_STATUS_IS_OK(x)) {\
+		return x;\
+	}\
+} while (0)
+
+#define NT_STATUS_IS_ERR_RETURN(x) do { \
+	if (NT_STATUS_IS_ERR(x)) {\
+		return x;\
+	}\
+} while (0)
+
+#define NT_STATUS_NOT_ERR_RETURN(x) do { \
+	if (!NT_STATUS_IS_ERR(x)) {\
+		return x;\
+	}\
+} 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_MEMORY(x) do { \
+	if (!(x)) {\
+		return WERR_NOMEM;\
+	}\
+} while (0)
+
+#define W_ERROR_IS_OK_RETURN(x) do { \
+	if (W_ERROR_IS_OK(x)) {\
+		return x;\
+	}\
+} while (0)
+
+#define W_ERROR_NOT_OK_RETURN(x) do { \
+	if (!W_ERROR_IS_OK(x)) {\
+		return x;\
+	}\
+} 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)
+
+/* define ldap error codes as NTSTATUS codes */
+#define NT_STATUS_LDAP(code) NT_STATUS(0xF2000000 | code)
+#define NT_STATUS_IS_LDAP(status) ((NT_STATUS_V(status) & 0xFF000000) == 0xF2000000)
+#define NT_STATUS_LDAP_CODE(status) (NT_STATUS_V(status) & ~0xFF000000)
+
+#endif