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initial import
This commit is contained in:
Roland McGrath
26
assert/Makefile
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26
assert/Makefile
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# Copyright (C) 1991, 1994 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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#
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# Sub-makefile for assert portion of the library.
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#
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subdir := assert
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routines := assert assert-perr
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include ../Rules
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55
assert/assert-perr.c
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55
assert/assert-perr.c
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/* Copyright (C) 1994, 1995 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 <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <sysdep.h>
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extern const char *__assert_program_name; /* In assert.c. */
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/* This function, when passed an error number, a filename, and a line
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number, prints a message on the standard error stream of the form:
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a.c:10: foobar: Unexpected error: Computer bought the farm
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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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void
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__assert_perror_fail (int errnum,
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const char *file, unsigned int line,
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const char *function)
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{
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#ifdef FATAL_PREPARE
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FATAL_PREPARE;
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#endif
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/* Print the message. */
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(void) fprintf (stderr, "%s%s%s:%u: %s%sUnexpected error: %s.\n",
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__assert_program_name ? __assert_program_name : "",
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__assert_program_name ? ": " : "",
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file, line,
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function ? function : "", function ? ": " : "",
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strerror (errnum));
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(void) fflush (stderr);
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abort ();
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}
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83
assert/assert.c
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83
assert/assert.c
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/* Copyright (C) 1991, 1994, 1995 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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#include <sysdep.h>
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CONST char *__assert_program_name;
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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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void
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DEFUN(__assert_fail, (assertion, file, line, function),
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CONST char *assertion AND
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CONST char *file AND unsigned int line AND CONST char *function)
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{
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#ifdef FATAL_PREPARE
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FATAL_PREPARE;
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#endif
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/* Print the message. */
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(void) fprintf (stderr, "%s%s%s:%u: %s%sAssertion `%s' failed.\n",
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__assert_program_name ? __assert_program_name : "",
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__assert_program_name ? ": " : "",
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file, line,
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function ? function : "", function ? ": " : "",
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assertion);
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(void) fflush (stderr);
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abort ();
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}
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#ifdef HAVE_GNU_LD
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#include <string.h>
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static void
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DEFUN(set_progname, (argc, argv, envp),
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int argc AND char **argv AND char **envp)
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{
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char *p;
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if (argv && argv[0])
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{
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p = strrchr (argv[0], '/');
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if (p == NULL)
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__assert_program_name = argv[0];
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else
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__assert_program_name = p + 1;
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}
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(void) &set_progname; /* Avoid "defined but not used" warning. */
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}
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text_set_element (__libc_subinit, set_progname);
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#endif
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98
assert/assert.h
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98
assert/assert.h
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/* Copyright (C) 1991, 1992, 1994, 1995 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* ANSI Standard: 4.2 DIAGNOSTICS <assert.h>
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*/
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#ifdef _ASSERT_H
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#undef _ASSERT_H
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#undef assert
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#endif /* assert.h */
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#define _ASSERT_H 1
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#include <features.h>
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/* void assert (int expression);
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If NDEBUG is defined, do nothing.
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If not, and EXPRESSION is zero, print an error message and abort. */
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#ifdef NDEBUG
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#define assert(expr) ((void) 0)
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/* void assert_perror (int errnum);
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If NDEBUG is defined, do nothing. If not, and ERRNUM is not zero, print an
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error message with the error text for ERRNUM and abort.
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(This is a GNU extension.) */
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#ifdef __USE_GNU
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#define assert_perror(errnum) ((void) 0)
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#endif
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#else /* Not NDEBUG. */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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/* This prints an "Assertion failed" message and aborts. */
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extern void __assert_fail __P ((__const char *__assertion,
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__const char *__file,
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unsigned int __line,
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__const char *__function))
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__attribute__ ((__noreturn__));
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/* Likewise, but prints the error text for ERRNUM. */
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extern void __assert_perror_fail __P ((int __errnum,
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__const char *__file,
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unsigned int __line,
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__const char *__function))
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__attribute__ ((__noreturn__));
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__END_DECLS
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#define assert(expr) \
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((void) ((expr) || \
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(__assert_fail (__STRING(expr), \
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__FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
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#ifdef __USE_GNU
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#define assert_perror(errnum) \
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((void) ((errnum) && (__assert_perror_fail ((errnum), \
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__FILE__, __LINE__, \
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__ASSERT_FUNCTION), 0)))
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#endif
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/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
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which contains the name of the function currently being defined.
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This is broken in G++ before version 2.6. */
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#if (!defined (__GNUC__) || __GNUC__ < 2 || \
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__GNUC_MINOR__ < (defined (__cplusplus) ? 6 : 4))
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#define __ASSERT_FUNCTION ((__const char *) 0)
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#else
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#define __ASSERT_FUNCTION __PRETTY_FUNCTION__
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#endif
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#endif /* NDEBUG. */
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