Mercurial > gnulib
view tests/test-alignof.c @ 40246:c34f677e6117 default tip master
_Noreturn: GCC 4.7 does not support [[noreturn]] in C++11 mode
* lib/_Noreturn.h, m4/gnulib-common.m4: Don't use [[noreturn]] before
GCC 4.8.
author | Akim Demaille <akim.demaille@gmail.com> |
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date | Sun, 17 Mar 2019 19:27:20 +0100 |
parents | b06060465f09 |
children |
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/* Test of <alignof.h>. Copyright (C) 2009-2019 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 <https://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; }