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5abe0f0c JV |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
1d506c26 | 3 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
5abe0f0c JV |
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 | enum cons_type | |
19 | { | |
20 | type_atom = 0, | |
21 | type_cons = 1 | |
22 | }; | |
23 | ||
24 | struct atom | |
25 | { | |
26 | int ival; | |
27 | }; | |
28 | ||
29 | struct cons | |
30 | { | |
31 | enum cons_type type; | |
32 | union | |
33 | { | |
34 | struct atom atom; | |
35 | struct cons *slots[2]; | |
36 | }; | |
37 | }; | |
38 | ||
39 | #define nil ((struct cons*)0); | |
40 | ||
41 | int | |
42 | main () | |
43 | { | |
44 | struct cons c1, c2, c3, c4; | |
45 | ||
46 | c1.type = type_cons; | |
47 | c1.slots[0] = &c4; | |
48 | c1.slots[1] = &c2; | |
49 | ||
50 | c2.type = type_cons; | |
51 | c2.slots[0] = nil; | |
52 | c2.slots[1] = &c3; | |
53 | ||
54 | c3.type = type_cons; | |
55 | c3.slots[0] = nil; | |
56 | c3.slots[1] = nil; | |
57 | ||
58 | c4.type = type_atom; | |
59 | c4.atom.ival = 13; | |
60 | ||
61 | return 0; /* next line */ | |
62 | } |