xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/func-ptrs.c (revision c38e7cc395b1472a774ff828e46123de44c628e9)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2014-2016 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 void
19 sentinel (void)
20 {
21   return;
22 }
23 
24 int
25 incr (int i)
26 {
27   sentinel ();
28   return i + 1;
29 }
30 
31 int
32 decr (int i)
33 {
34   sentinel ();
35   return i - 1;
36 }
37 
38 int (*calc) (int) = incr;
39 
40 int
41 main (void)
42 {
43   int i = -1;
44 
45   i = calc (i);
46   i = calc (i);
47   i = calc (i);
48 
49   return i;
50 }
51