mes/scaffold/tests/7e-struct-array-access.c

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/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017 Jan 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/>.
*/
#include "30-test.i"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct symbol {
int len;
char str[10];
//int len;
};
struct symbol *list[2];
struct symbol s0;
struct symbol s1;
struct symbol** plist;
char *
find0 ()
{
strcpy (s0.str, "foo");
strcpy (s1.str, "bar");
list[0] = &s0;
list[1] = &s1;
//return s0.str;
//struct symbol *s = &s0;
struct symbol *s = list[0];
return s->str;
}
char *
find1 ()
{
return list[1]->str;
}
char *
find2 ()
{
plist = malloc (8);
struct symbol *p0 = malloc (sizeof (struct symbol));
struct symbol *p1 = malloc (sizeof (struct symbol));
strcpy (p0->str, "pfoo");
strcpy (p1->str, "pbar");
plist[0] = p0;
plist[1] = p1;
int i = 3;
return plist[i - 2]->str;
}
int
test ()
{
char *s = find0 ();
eputs (s); eputs ("\n");
if (strcmp (s, "foo")) return 1;
if (strcmp (list[0]->str, "foo")) return 2;
s = find1 ();
eputs (s); eputs ("\n");
if (strcmp (s, "bar")) return 3;
if (strcmp (list[1]->str, "bar")) return 4;
s = find2 ();
eputs (s); eputs ("\n");
if (strcmp (s, "pbar")) return 5;
list[1]->len = 2;
if (list[1]->len != 2) return 6;
return 0;
}