glibc/assert/__libc_assert_fail.c

34 lines
1.3 KiB
C

/* libc-internal assert that calls __libc_message.
Copyright (C) 2022-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <_itoa.h>
#include <array_length.h>
#include <intprops.h>
#include <stdio.h>
void
__libc_assert_fail (const char *assertion, const char *file, unsigned int line,
const char *function)
{
char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
array_end (linebuf)[-1] = '\0';
char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
__libc_message ("Fatal glibc error: %s:%s (%s): assertion failed: %s\n",
file, linestr, function, assertion);
}