1/* libc-internal assert that calls __libc_message.
2 Copyright (C) 2022-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <_itoa.h>
20#include <array_length.h>
21#include <intprops.h>
22#include <stdio.h>
23
24void
25__libc_assert_fail (const char *assertion, const char *file, unsigned int line,
26 const char *function)
27{
28 char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
29 array_end (linebuf)[-1] = '\0';
30 char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
31 __libc_message ("Fatal glibc error: %s:%s (%s): assertion failed: %s\n",
32 file, linestr, function, assertion);
33}
34