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author | Clint Adams <clint@debian.org> | 2017-01-04 20:39:58 -0500 |
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committer | Clint Adams <clint@debian.org> | 2017-01-04 20:39:58 -0500 |
commit | 29d3f78df4630dbee0a141e2be8e77275724b3a8 (patch) | |
tree | 89a97129c5b799046be2af10bde88ea035b59bd1 /gnulib-tests/test-alignof.c | |
parent | d75f3c567505ad7acd2c1943207b367593652739 (diff) |
New upstream version 4.3
Diffstat (limited to 'gnulib-tests/test-alignof.c')
-rw-r--r-- | gnulib-tests/test-alignof.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gnulib-tests/test-alignof.c b/gnulib-tests/test-alignof.c new file mode 100644 index 0000000..2af76f5 --- /dev/null +++ b/gnulib-tests/test-alignof.c @@ -0,0 +1,59 @@ +/* Test of <alignof.h>. + Copyright (C) 2009-2016 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 Bruno Haible <bruno@clisp.org>, 2009. */ + +#include <config.h> + +#include <alignof.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; + +#define CHECK(type) \ + typedef struct { char slot1; type slot2; } type##_helper; \ + verify (alignof_slot (type) == offsetof (type##_helper, slot2)); \ + const int type##_slot_alignment = alignof_slot (type); \ + const int type##_type_alignment = alignof_type (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; +} |