1 /* Copyright (C) 1994,1995,1996,1997,1998,2001 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 extern const char *__progname;
32 # include <libio/iolibio.h>
33 # define fflush(s) _IO_fflush (s)
36 /* This function, when passed an error number, a filename, and a line
37 number, prints a message on the standard error stream of the form:
38 a.c:10: foobar: Unexpected error: Computer bought the farm
39 It then aborts program execution via a call to `abort'. */
41 #ifdef FATAL_PREPARE_INCLUDE
42 # include FATAL_PREPARE_INCLUDE
46 __assert_perror_fail (int errnum,
47 const char *file, unsigned int line,
57 if (__asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
58 __progname, __progname[0] ? ": " : "",
60 function ? function : "", function ? ": " : "",
61 __strerror_r (errnum, errbuf, sizeof errbuf)) >= 0)
63 /* Print the message. */
65 if (_IO_fwide (stderr, 0) > 0)
66 (void) __fwprintf (stderr, L"%s", buf);
69 (void) fputs (buf, stderr);
71 (void) fflush (stderr);
73 /* We have to free the buffer since the appplication might catch the
78 /* At least print a minimal message. */
79 #define STR_N_LEN(str) str, sizeof (str) - 1
80 __libc_write (STDERR_FILENO, STR_N_LEN ("Unexpected error.\n"));