1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h b/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h
new file mode 100644
index 0000000..83f1777
--- /dev/null
+++ b/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h
@@ -0,0 +1,91 @@
+/*
+   attrs.h - wrapper macros for the gcc __attribute__(()) directive
+
+   Copyright (C) 2007, 2008, 2012 Arthur de Jong
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301 USA
+*/
+
+#ifndef COMPAT__ATTRS_H
+#define COMPAT__ATTRS_H 1
+
+/* macro for testing the version of GCC */
+#define GCC_VERSION(major, minor)                                           \
+  ((__GNUC__ > (major)) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
+
+/* These are macros to use some gcc-specific flags in case the're available
+   and otherwise define them to empty strings. This allows us to give
+   the compiler some extra information.
+   See http://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html
+   for a list of attributes supported by gcc */
+
+/* this is used to flag function parameters that are not used in the function
+   body. */
+#if GCC_VERSION(3, 0)
+#define UNUSED(x)   x __attribute__((__unused__))
+#else
+#define UNUSED(x)   x
+#endif
+
+/* this is used to add extra format checking to the function calls as if this
+   was a printf()-like function */
+#if GCC_VERSION(3, 0)
+#define LIKE_PRINTF(format_idx, arg_idx)                                    \
+                    __attribute__((__format__(__printf__, format_idx, arg_idx)))
+#else
+#define LIKE_PRINTF(format_idx, arg_idx) /* no attribute */
+#endif
+
+/* indicates that the function is "pure": its result is purely based on
+   the parameters and has no side effects or used static data */
+#if GCC_VERSION(3, 0)
+#define PURE        __attribute__((__pure__))
+#else
+#define PURE        /* no attribute */
+#endif
+
+/* the function returns a new data structure that has been freshly
+   allocated */
+#if GCC_VERSION(3, 0)
+#define LIKE_MALLOC __attribute__((__malloc__))
+#else
+#define LIKE_MALLOC /* no attribute */
+#endif
+
+/* the function's return value should be used by the caller */
+#if GCC_VERSION(3, 4)
+#define MUST_USE    __attribute__((__warn_unused_result__))
+#else
+#define MUST_USE    /* no attribute */
+#endif
+
+/* the function's return value should be used by the caller */
+#if GCC_VERSION(2, 5)
+#define NORETURN    __attribute__((__noreturn__))
+#else
+#define NORETURN    /* no attribute */
+#endif
+
+/* define __STRING if it's not yet defined */
+#ifndef __STRING
+#ifdef __STDC__
+#define __STRING(x) #x
+#else /* __STDC__ */
+#define __STRING(x) "x"
+#endif /* not __STDC__ */
+#endif /* not __STRING */
+
+#endif /* not COMPAT__ATTRS_H */