| /* Copyright (C) 1994-1998,2001,2002,2005,2009 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <assert.h> |
| #include <atomic.h> |
| #include <libintl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sysdep.h> |
| #include <unistd.h> |
| |
| |
| extern const char *__progname; |
| |
| #ifdef USE_IN_LIBIO |
| # include <wchar.h> |
| # include <libio/iolibio.h> |
| # define fflush(s) INTUSE(_IO_fflush) (s) |
| #endif |
| |
| /* 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) |
| { |
| char errbuf[1024]; |
| char *buf; |
| |
| #ifdef FATAL_PREPARE |
| FATAL_PREPARE; |
| #endif |
| |
| if (__asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"), |
| __progname, __progname[0] ? ": " : "", |
| file, line, |
| function ? function : "", function ? ": " : "", |
| __strerror_r (errnum, errbuf, sizeof errbuf)) >= 0) |
| { |
| /* Print the message. */ |
| (void) __fxprintf (NULL, "%s", buf); |
| (void) fflush (stderr); |
| |
| /* We have to free the old buffer since the application might |
| catch the SIGABRT signal. */ |
| char *old = atomic_exchange_acq (&__abort_msg, buf); |
| free (old); |
| } |
| else |
| { |
| /* At least print a minimal message. */ |
| static const char errstr[] = "Unexpected error.\n"; |
| __libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1); |
| } |
| |
| abort (); |
| } |
| libc_hidden_def (__assert_perror_fail) |