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d9a17c07 | 1 | /* Obtain a backtrace and print it. |
b168057a | 2 | Copyright (C) 1991-2015 Free Software Foundation, Inc. |
d9a17c07 RM |
3 | |
4 | This program is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU General Public License | |
6 | as published by the Free Software Foundation; either version 2 | |
7 | of the License, or (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
17abb551 UD |
18 | #include <execinfo.h> |
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
21 | ||
22 | /* Obtain a backtrace and print it to @code{stdout}. */ | |
23 | void | |
24 | print_trace (void) | |
25 | { | |
26 | void *array[10]; | |
27 | size_t size; | |
28 | char **strings; | |
29 | size_t i; | |
30 | ||
31 | size = backtrace (array, 10); | |
32 | strings = backtrace_symbols (array, size); | |
33 | ||
34 | printf ("Obtained %zd stack frames.\n", size); | |
35 | ||
36 | for (i = 0; i < size; i++) | |
37 | printf ("%s\n", strings[i]); | |
38 | ||
39 | free (strings); | |
40 | } | |
41 | ||
42 | /* A dummy function to make the backtrace more interesting. */ | |
43 | void | |
44 | dummy_function (void) | |
45 | { | |
46 | print_trace (); | |
47 | } | |
48 | ||
49 | int | |
50 | main (void) | |
51 | { | |
52 | dummy_function (); | |
53 | return 0; | |
54 | } |