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28d41a99 MS |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright 2008-2014 Free Software Foundation, Inc. |
28d41a99 MS |
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 | ||
428b16bd PA |
18 | #include <stdio.h> |
19 | #include <stdlib.h> | |
28d41a99 | 20 | |
28d41a99 MS |
21 | extern int marker1 (void); |
22 | extern int marker2 (int a); | |
23 | extern void marker3 (char *a, char *b); | |
24 | extern void marker4 (long d); | |
28d41a99 MS |
25 | |
26 | /* | |
27 | * This simple classical example of recursion is useful for | |
28 | * testing stack backtraces and such. | |
29 | */ | |
30 | ||
28d41a99 MS |
31 | int factorial(int); |
32 | ||
33 | int | |
34 | main (int argc, char **argv, char **envp) | |
28d41a99 | 35 | { |
28d41a99 MS |
36 | if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ |
37 | fprintf (stderr, "usage: factorial <number>\n"); | |
38 | return 1; | |
39 | } | |
40 | printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ | |
41 | /* set breakpoint 12 here */ | |
42 | marker1 (); /* set breakpoint 11 here */ | |
43 | marker2 (43); /* set breakpoint 20 here */ | |
44 | marker3 ("stack", "trace"); /* set breakpoint 21 here */ | |
45 | marker4 (177601976L); | |
46 | /* We're used by a test that requires malloc, so make sure it is | |
47 | in the executable. */ | |
48 | (void)malloc (1); | |
49 | ||
50 | argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ | |
51 | return argc; /* set breakpoint 10 here */ | |
52 | } /* set breakpoint 10a here */ | |
53 | ||
28d41a99 | 54 | int factorial (int value) |
28d41a99 MS |
55 | { |
56 | if (value > 1) { /* set breakpoint 7 here */ | |
57 | value *= factorial (value - 1); | |
58 | } | |
59 | return (value); /* set breakpoint 19 here */ | |
60 | } | |
61 | ||
28d41a99 | 62 | int multi_line_if_conditional (int a, int b, int c) |
28d41a99 MS |
63 | { |
64 | if (a /* set breakpoint 3 here */ | |
65 | && b | |
66 | && c) | |
67 | return 0; | |
68 | else | |
69 | return 1; | |
70 | } | |
71 | ||
28d41a99 | 72 | int multi_line_while_conditional (int a, int b, int c) |
28d41a99 MS |
73 | { |
74 | while (a /* set breakpoint 4 here */ | |
75 | && b | |
76 | && c) | |
77 | { | |
78 | a--, b--, c--; | |
79 | } | |
80 | return 0; | |
81 | } |