Initial commit

tasks/libposix/include/posix/assert.h

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+/* Copyright (C) 1991,1992,1994-2001,2003,2004 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.  */
+
+/*
+ *	ISO C99 Standard: 7.2 Diagnostics	<assert.h>
+ */
+
+#ifdef	_ASSERT_H
+
+# undef	_ASSERT_H
+# undef	assert
+# undef __ASSERT_VOID_CAST
+
+#endif /* assert.h	*/
+
+#define	_ASSERT_H	1
+#include <features.h>
+
+#if defined __cplusplus && __GNUC_PREREQ(2,95)
+# define __ASSERT_VOID_CAST static_cast<void>
+#else
+# define __ASSERT_VOID_CAST (void)
+#endif
+
+/* void assert (int expression);
+
+   If NDEBUG is defined, do nothing.
+   If not, and EXPRESSION is zero, print an error message and abort.  */
+
+#ifdef	NDEBUG
+
+# define assert(expr)		(__ASSERT_VOID_CAST (0))
+
+#else /* Not NDEBUG.  */
+
+__BEGIN_DECLS
+
+/* This prints an "Assertion failed" message and aborts.  */
+extern void __assert __P((const char *, const char *, int, const char *));
+
+__END_DECLS
+
+# define assert(expr) \
+  (__ASSERT_VOID_CAST ((expr) ? 0 :					      \
+		       (__assert (__STRING(expr), __FILE__, __LINE__,    \
+				       __ASSERT_FUNCTION), 0)))
+
+/* Define some temporaries to workaround tinyx makedepend bug */
+#define	__GNUC_PREREQ_2_6	__GNUC_PREREQ(2, 6)
+#define	__GNUC_PREREQ_2_4	__GNUC_PREREQ(2, 4)
+/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
+   which contains the name of the function currently being defined.
+   This is broken in G++ before version 2.6.
+   C9x has a similar variable called __func__, but prefer the GCC one since
+   it demangles C++ function names.  */
+
+# if defined __cplusplus ? __GNUC_PREREQ_2_6 : __GNUC_PREREQ_2_4
+#   define __ASSERT_FUNCTION	__PRETTY_FUNCTION__
+# else
+#  if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#   define __ASSERT_FUNCTION	__func__
+#  else
+#   define __ASSERT_FUNCTION	((__const char *) 0)
+#  endif
+# endif
+
+#endif /* NDEBUG.  */