[Minios-devel] [UNIKRAFT PATCH 3/5] lib/nolibc: Introduce sys/cdefs.h header

[Costin Lupu <costin.lupu@xxxxxxxxx>]

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 lib/nolibc/include/ctype.h     |  2 ++
 lib/nolibc/include/sys/cdefs.h | 43 ++++++++++++++++++++++++++++++++++++++++++
 lib/nolibc/stdlib.c            |  2 --
 3 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 lib/nolibc/include/sys/cdefs.h

diff --git a/lib/nolibc/include/ctype.h b/lib/nolibc/include/ctype.h
index c3bbeb6..61b37e2 100644
--- a/lib/nolibc/include/ctype.h
+++ b/lib/nolibc/include/ctype.h
@@ -27,6 +27,8 @@
 #ifndef __CTYPE_H__
 #define __CTYPE_H__
 
+#include <sys/cdefs.h>
+
 /*
  * NOTE! This ctype does not handle EOF like the standard C
  * library is required to.
diff --git a/lib/nolibc/include/sys/cdefs.h b/lib/nolibc/include/sys/cdefs.h
new file mode 100644
index 0000000..559654f
--- /dev/null
+++ b/lib/nolibc/include/sys/cdefs.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Costin Lupu <costin.lupu@xxxxxxxxx>
+ *
+ *
+ * Copyright (c) 2018, NEC Europe Ltd., NEC Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+ */
+
+#ifndef __SYS_CDEFS_H__
+#define __SYS_CDEFS_H__
+
+#ifndef __DECONST
+#define __DECONST(type, var) ((type) (uintptr_t) (const void *) (var))
+#endif
+
+#endif /* __SYS_CDEFS_H__ */
diff --git a/lib/nolibc/stdlib.c b/lib/nolibc/stdlib.c
index 22afa77..3e12620 100644
--- a/lib/nolibc/stdlib.c
+++ b/lib/nolibc/stdlib.c
@@ -55,8 +55,6 @@
 #include <limits.h>
 #include <ctype.h>
 
-#define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
-
 /*
  * Convert a string to an unsigned long integer.
  *
-- 
2.11.0


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