Update.
[glibc.git] / assert / assert-perr.c
blobcdc07b56f929f13dca3f0d99ffa85bcc0c5cee62
1 /* Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <assert.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <sysdep.h>
25 extern const char *__assert_program_name; /* In assert.c. */
27 /* This function, when passed an error number, a filename, and a line
28 number, prints a message on the standard error stream of the form:
29 a.c:10: foobar: Unexpected error: Computer bought the farm
30 It then aborts program execution via a call to `abort'. */
32 #ifdef FATAL_PREPARE_INCLUDE
33 #include FATAL_PREPARE_INCLUDE
34 #endif
36 void
37 __assert_perror_fail (int errnum,
38 const char *file, unsigned int line,
39 const char *function)
41 char errbuf[1024];
42 #ifdef FATAL_PREPARE
43 FATAL_PREPARE;
44 #endif
46 /* Print the message. */
47 (void) fprintf (stderr, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
48 __assert_program_name ? __assert_program_name : "",
49 __assert_program_name ? ": " : "",
50 file, line,
51 function ? function : "", function ? ": " : "",
52 __strerror_r (errnum, errbuf, sizeof errbuf));
53 (void) fflush (stderr);
55 abort ();