mes/scaffold/tests/7p-struct-cast.c
Jan Nieuwenhuizen ad9f171c49
mescc: Tinycc support: Implement ((struct foo*)p)->bar.
* module/language/c99/compiler.mes (expr->accu*):
* scaffold/tests/7p-struct-cast.c: Test it.
* build-aux/check-mescc.sh (tests): Run it.
2018-05-12 00:20:51 +02:00

36 lines
1 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* Mes 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.
*
* Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
struct foo {int length; char* string;};
int
main ()
{
struct foo f = {3, "foo"};
struct foo *pf = &f;
char *p = (char*)&f;
int i = 0;
i = ((struct foo*)p)->length;
i = 0;
i = ((struct foo*)(p + i))->length;
return i - 3;
}