* MODULES.html.sh (c1x_core_properties): Add stdalign.
* doc/gnulib.texi (Header File Substitutes): Add stdalign.
+ stdalign-tests: new module
+ * modules/stdalign-tests, tests/test-stdalign.c: New files.
+
2011-10-27 Bruno Haible <bruno@clisp.org>
raise test: Avoid a test failure on Linux/MIPS.
--- /dev/null
+/* Test of <stdalign.h>.
+ Copyright 2009-2011 Free Software Foundation, Inc.
+
+ 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/>. */
+
+/* Written by Paul Eggert, inspired by Bruno Haible's test-alignof.c. */
+
+#include <config.h>
+
+#include <stdalign.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "verify.h"
+
+typedef long double longdouble;
+typedef struct { char a[1]; } struct1;
+typedef struct { char a[2]; } struct2;
+typedef struct { char a[3]; } struct3;
+typedef struct { char a[4]; } struct4;
+
+verify (__alignof_is_defined == 1);
+#ifndef alignof
+# error "alignof is not a macro"
+#endif
+
+#if __alignas_is_defined
+verify (__alignas_is_defined == 1);
+# ifndef alignas
+# error "alignas is not a macro"
+# endif
+# define CHECK_ALIGNAS(type) \
+ type alignas (1 << 3) type##_alignas; \
+ type _Alignas (1 << 3) type##_Alignas;
+#else
+# define CHECK_ALIGNAS(type)
+#endif
+
+#define CHECK(type) \
+ typedef struct { char slot1; type slot2; } type##_helper; \
+ verify (alignof (type) == offsetof (type##_helper, slot2)); \
+ verify (_Alignof (type) == alignof (type)); \
+ const int type##_alignment = alignof (type); \
+ CHECK_ALIGNAS(type)
+
+CHECK (char)
+CHECK (short)
+CHECK (int)
+CHECK (long)
+CHECK (float)
+CHECK (double)
+CHECK (longdouble)
+#ifdef INT64_MAX
+CHECK (int64_t)
+#endif
+CHECK (struct1)
+CHECK (struct2)
+CHECK (struct3)
+CHECK (struct4)
+
+int
+main ()
+{
+ return 0;
+}