1/* This test program is part of GDB, the GNU debugger.
2
3   Copyright 2015-2023 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
18void
19iter_str (const char *str, void (*callback) (char c))
20{
21  for (; *str != '\0'; ++str)
22    callback (*str);
23}
24
25int
26length_str (const char *str)
27{
28  int count = 0;
29
30  void
31  increment (char c)
32  {
33    /* Here with COUNT, we can test that GDB can read a non-local variable even
34       though it's not directly in the upper stack frame.  */
35    count += 1; /* STOP */
36  }
37
38  iter_str (str, &increment);
39  return count;
40}
41
42int
43main ()
44{
45  if (length_str ("foo") == 3)
46    return 0;
47  return 1;
48}
49