1 files changed, 105 insertions, 0 deletions
diff --git a/lib/util/attr.h b/lib/util/attr.h
new file mode 100644
index 0000000..af3e244
--- /dev/null
+++ b/lib/util/attr.h
@@ -0,0 +1,105 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
+   
+   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 <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __UTIL_ATTR_H__
+#define __UTIL_ATTR_H__
+
+/* for old gcc releases that don't have the feature test macro __has_attribute */
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
+#ifndef _UNUSED_
+#if __has_attribute(unused) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+/** gcc attribute used on function parameters so that it does not emit
+ * warnings about them being unused. **/
+#  define _UNUSED_ __attribute__ ((unused))
+#else
+#  define _UNUSED_
+#endif
+#endif
+#ifndef UNUSED
+#define UNUSED(param) param _UNUSED_
+#endif
+
+#ifndef _DEPRECATED_
+#if __has_attribute(deprecated) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+#define _DEPRECATED_ __attribute__ ((deprecated))
+#else
+#define _DEPRECATED_
+#endif
+#endif
+
+#ifndef _WARN_UNUSED_RESULT_
+#if __has_attribute(warn_unused_result) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+#define _WARN_UNUSED_RESULT_ __attribute__ ((warn_unused_result))
+#else
+#define _WARN_UNUSED_RESULT_
+#endif
+#endif
+
+#ifndef _NORETURN_
+#if __has_attribute(noreturn) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+#define _NORETURN_ __attribute__ ((noreturn))
+#else
+#define _NORETURN_
+#endif
+#endif
+
+#ifndef _PURE_
+#if __has_attribute(pure) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+#define _PURE_ __attribute__((pure))
+#else
+#define _PURE_
+#endif
+#endif
+
+#ifndef NONNULL
+#if __has_attribute(nonnull) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+#define NONNULL(param) param __attribute__((nonnull))
+#else
+#define NONNULL(param) param
+#endif
+#endif
+
+#ifndef PRINTF_ATTRIBUTE
+#if __has_attribute(format) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+/** Use gcc attribute to check printf fns.  a1 is the 1-based index of
+ * the parameter containing the format, and a2 the index of the first
+ * argument. Note that some gcc 2.x versions don't handle this
+ * properly **/
+#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
+#else
+#define PRINTF_ATTRIBUTE(a1, a2)
+#endif
+#endif
+
+#ifndef FORMAT_ATTRIBUTE
+#if __has_attribute(format) || ( (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 ) )
+/** Use gcc attribute to check printf fns.  a1 is argument to format()
+ * in the above macro.  This is needed to support Heimdal's printf
+ * decorations. Note that some gcc 2.x versions don't handle this
+ * properly. **/
+#define FORMAT_ATTRIBUTE(a) __attribute__ ((format a))
+#else
+#define FORMAT_ATTRIBUTE(a)
+#endif
+#endif
+
+#endif /* __UTIL_ATTR_H__ */