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/* Obtain a backtrace and print it.
Copyright (C) 1991-2021 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 2
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 <https://www.gnu.org/licenses/>.
*/
#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>
/* Obtain a backtrace and print it to @code{stdout}. */
void
print_trace (void)
{
void *array[10];
char **strings;
int size, i;
size = backtrace (array, 10);
strings = backtrace_symbols (array, size);
if (strings != NULL)
{
printf ("Obtained %d stack frames.\n", size);
for (i = 0; i < size; i++)
printf ("%s\n", strings[i]);
}
free (strings);
}
/* A dummy function to make the backtrace more interesting. */
void
dummy_function (void)
{
print_trace ();
}
int
main (void)
{
dummy_function ();
return 0;
}
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