46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Copyright (C) 1991 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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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: Assertion `a == b' failed.
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It then aborts program execution via a call to abort(). */
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int
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DEFUN(__assert_fail, (assertion, file, line),
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CONST char *assertion AND CONST char *file AND unsigned int line)
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{
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/* Print the message. */
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(void) fprintf(stderr, "%s:%u: Assertion `%s' failed.\n",
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file, line, assertion);
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(void) fflush(stderr);
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abort();
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/* This function never returns, so making it void would make sense,
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but returning something makes the assert macro easier to write. */
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return(0);
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}
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