mes/scaffold/tests/7k-for-each-elem.c
Jan Nieuwenhuizen c33d6d00bc
mes: Run build-aux/indent.sh.
* src/mes.c: Re-indent.
* src: Likewise.
* include: Likewise.
* lib: Likewise.
* scaffold: Likewise.
2019-05-18 13:27:42 +02:00

100 lines
2.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mes/lib.h>
struct section
{
unsigned char *data;
int offset;
};
struct sym
{
char *name;
int index;
};
struct sym tab3[3] = { "foo", 0, "bar", 1, "baz", 2 };
struct sym tab[] = { "foo", 0, "bar", 1, "baz", 2 };
struct section section;
#define for_each_elem(sec, startoff, elem, type) \
for (elem = (type *) sec->data + startoff; \
elem < (type *) (sec->data + sec->offset); elem++)
#define for_each_elem2(sec, startoff, elem, type) \
elem = sec->data + sizeof (type) * startoff; \
for (;elem < ((type *) (sec->data + sec->offset)); elem++)
int
main ()
{
#if __i386__
int sym_size = 8;
#elif __GNUC__ && __x86_64__
int sym_size = 16;
#elif __MESC__ && __x86_64__
int sym_size = 12;
#endif
struct sym *p;
p = tab3;
section.data = tab;
section.offset = 24;
int size = sizeof (struct sym);
eputs ("size=");
eputs (itoa (size));
eputs ("\n");
if (size != sym_size)
return 1;
struct section *psection = &section;
p = (struct sym *) psection->data + 1;
struct sym *q = tab;
int i = (int) p;
i -= (int) q;
eputs ("diff=");
eputs (itoa (i));
eputs ("\n");
if (i != sym_size)
return 2;
for_each_elem (psection, 1, p, struct section)
{
eputs ("i=");
eputs (itoa (p->index));
eputs (" name=");
eputs (p->name);
eputs ("\n");
}
for_each_elem2 (psection, 1, p, struct section)
{
eputs ("i=");
eputs (itoa (p->index));
eputs (" name=");
eputs (p->name);
eputs ("\n");
}
return 0;
}