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RedBear-OS/local/recipes/dev/libtool/source/gnulib/tests/test-execinfo.c
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C

/* Test that execinfo.h defines stub functions.
Copyright (C) 2024 Free Software Foundation, Inc.
This file 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 file 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/>. */
/* Written by Collin Funk <collin.funk1@gmail.com>, 2024. */
#include <config.h>
/* Specification. */
#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>
#include "macros.h"
static void
test_backtrace (int pass)
{
void *buffer[10];
int max_size;
int size;
char **symbols;
max_size = (pass == 0 ? SIZEOF (buffer) : 1);
size = backtrace (buffer, max_size);
ASSERT (size >= 0 && size <= max_size);
/* Print the backtrace to a file descriptor. */
backtrace_symbols_fd (buffer, size, 1);
printf ("\n");
symbols = backtrace_symbols (buffer, size);
if (size > 0)
/* We have enough memory available. */
ASSERT (symbols != NULL);
/* Print the backtrace if possible. */
if (symbols != NULL)
{
for (int i = 0; i < size; ++i)
printf ("%s\n", symbols[i]);
free (symbols);
}
}
int
main (void)
{
printf ("Full stack trace:\n"); fflush (stdout);
test_backtrace (0);
printf ("\nTruncated stack trace:\n"); fflush (stdout);
test_backtrace (1);
return test_exit_status;
}