glibc/assert/assert-perr.c

56 lines
1.8 KiB
C

/* Copyright (C) 1994, 1995 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <sysdep.h>
extern const char *__assert_program_name; /* In assert.c. */
/* This function, when passed an error number, a filename, and a line
number, prints a message on the standard error stream of the form:
a.c:10: foobar: Unexpected error: Computer bought the farm
It then aborts program execution via a call to `abort'. */
#ifdef FATAL_PREPARE_INCLUDE
#include FATAL_PREPARE_INCLUDE
#endif
void
__assert_perror_fail (int errnum,
const char *file, unsigned int line,
const char *function)
{
#ifdef FATAL_PREPARE
FATAL_PREPARE;
#endif
/* Print the message. */
(void) fprintf (stderr, "%s%s%s:%u: %s%sUnexpected error: %s.\n",
__assert_program_name ? __assert_program_name : "",
__assert_program_name ? ": " : "",
file, line,
function ? function : "", function ? ": " : "",
strerror (errnum));
(void) fflush (stderr);
abort ();
}