1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Copyright 1994-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
/*
* The following functions do nothing useful. They are included simply
* as places to try setting breakpoints at. They are explicitly
* "one-line functions" to verify that this case works (some versions
* of gcc have or have had problems with this).
*/
int marker1 (void) { return (0); }
int marker2 (int a) { return (1); } /* set breakpoint 8 here */
void marker3 (char *a, char *b) {}
void marker4 (long d) {} /* set breakpoint 14 here */
/*
* This simple classical example of recursion is useful for
* testing stack backtraces and such.
*/
int factorial(int);
int
main (int argc, char **argv, char **envp)
{
if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
fprintf (stderr, "usage: factorial <number>\n");
return 1;
}
printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */
/* set breakpoint 12 here */
marker1 (); /* set breakpoint 11 here */
marker2 (43);
marker3 ("stack", "trace");
marker4 (177601976L);
argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
return argc; /* set breakpoint 10 here */
}
int factorial (int value)
{
if (value > 1) { /* set breakpoint 7 here */
value *= factorial (value - 1);
}
return (value);
}
int multi_line_if_conditional (int a, int b, int c)
{
if (a /* set breakpoint 3 here */
&& b
&& c)
return 0;
else
return 1;
}
int multi_line_while_conditional (int a, int b, int c)
{
while (a /* set breakpoint 4 here */
&& b
&& c)
{
a--, b--, c--;
}
return 0;
}
|
