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86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* Copyright (C) 1991,1994-1996,1998,2001,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <assert.h>
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#include <libintl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysdep.h>
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#include <unistd.h>
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extern const char *__progname;
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#ifdef USE_IN_LIBIO
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# include <wchar.h>
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# include <libio/iolibio.h>
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# define fflush(s) INTUSE(_IO_fflush) (s)
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#endif
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/* This function, when passed a string containing an asserted
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expression, a filename, and a line number, prints a message
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on the standard error stream of the form:
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a.c:10: foobar: Assertion `a == b' failed.
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It then aborts program execution via a call to `abort'. */
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#ifdef FATAL_PREPARE_INCLUDE
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# include FATAL_PREPARE_INCLUDE
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#endif
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#undef __assert_fail
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void
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__assert_fail (const char *assertion, const char *file, unsigned int line,
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const char *function)
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{
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char *buf;
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#ifdef FATAL_PREPARE
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FATAL_PREPARE;
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#endif
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if (__asprintf (&buf, _("%s%s%s:%u: %s%sAssertion `%s' failed.\n"),
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__progname, __progname[0] ? ": " : "",
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file, line,
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function ? function : "", function ? ": " : "",
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assertion) >= 0)
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{
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/* Print the message. */
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#ifdef USE_IN_LIBIO
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if (_IO_fwide (stderr, 0) > 0)
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(void) __fwprintf (stderr, L"%s", buf);
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else
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#endif
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(void) fputs (buf, stderr);
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(void) fflush (stderr);
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/* We have to free the buffer since the application might catch the
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SIGABRT. */
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free (buf);
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}
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else
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{
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/* At least print a minimal message. */
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static const char errstr[] = "Unexpected error.\n";
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__libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1);
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}
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abort ();
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}
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hidden_def(__assert_fail)
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