xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.python/flexible-array-member.c (revision 8e33eff89e26cf71871ead62f0d5063e1313c33a)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2020-2023 Free Software Foundation, Inc.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17 
18 #include <stdlib.h>
19 
20 struct no_size
21 {
22   int n;
23   int items[];
24 };
25 
26 struct zero_size
27 {
28   int n;
29   int items[0];
30 };
31 
32 struct zero_size_only
33 {
34   int items[0];
35 };
36 
37 struct no_size *ns;
38 struct zero_size *zs;
39 struct zero_size_only *zso;
40 
41 static void
42 break_here (void)
43 {
44 }
45 
46 int
47 main (void)
48 {
49   ns = (struct no_size *) malloc (sizeof (*ns) + 3 * sizeof (int));
50   zs = (struct zero_size *) malloc (sizeof (*zs) + 3 * sizeof (int));
51   zso = (struct zero_size_only *) malloc (sizeof (*zso) + 3 * sizeof (int));
52 
53   ns->n = 3;
54   ns->items[0] = 101;
55   ns->items[1] = 102;
56   ns->items[2] = 103;
57 
58   zs->n = 3;
59   zs->items[0] = 201;
60   zs->items[1] = 202;
61   zs->items[2] = 203;
62 
63   zso->items[0] = 301;
64   zso->items[1] = 302;
65   zso->items[2] = 303;
66 
67   break_here ();
68 
69   return 0;
70 }
71