| 1 | /* This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 2018-2019 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 | */ |
| 19 | |
| 20 | static int |
| 21 | inc (int x) |
| 22 | { /* inc.1 */ |
| 23 | return x + 1; /* inc.2 */ |
| 24 | } /* inc.3 */ |
| 25 | |
| 26 | static int |
| 27 | thrice (int (*op)(int), int x) |
| 28 | { /* thrice.1 */ |
| 29 | x = op (x); /* thrice.2 */ |
| 30 | x = op (x); /* thrice.3 */ |
| 31 | return op (x); /* thrice.4 */ |
| 32 | } /* thrice.5 */ |
| 33 | |
| 34 | int |
| 35 | main () |
| 36 | { |
| 37 | int x; |
| 38 | |
| 39 | x = thrice (inc, 40); |
| 40 | |
| 41 | return x; |
| 42 | } |