Libc-391.tar.gz

[apple/libc.git] / include / assert.h

diff --git a/include/assert.h b/include/assert.h
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+/*-
+ * Copyright (c) 1992, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)assert.h    8.2 (Berkeley) 1/21/94
+ * $FreeBSD: src/include/assert.h,v 1.4 2002/03/23 17:24:53 imp Exp $
+ */
+
+#include <sys/cdefs.h>
+#ifdef __cplusplus
+#include <stdlib.h>
+#endif /* __cplusplus */
+
+/*
+ * Unlike other ANSI header files, <assert.h> may usefully be included
+ * multiple times, with and without NDEBUG defined.
+ */
+
+#undef assert
+#undef __assert
+
+#ifdef NDEBUG
+#define        assert(e)       ((void)0)
+#else
+
+#ifndef __GNUC__
+
+__BEGIN_DECLS
+#ifndef __cplusplus
+void abort(void) __dead2;
+#endif /* !__cplusplus */
+int  printf(const char * __restrict, ...);
+__END_DECLS
+
+#define assert(e)  \
+    ((void) ((e) ? 0 : __assert (#e, __FILE__, __LINE__)))
+#define __assert(e, file, line) \
+    (printf ("%s:%u: failed assertion `%s'\n", file, line, e), abort (), 0)
+
+#else /* __GNUC__ */
+
+__BEGIN_DECLS
+void __assert_rtn(const char *, const char *, int, const char *) __dead2;
+void __eprintf(const char *, const char *, unsigned, const char *) __dead2;
+__END_DECLS
+
+#define __assert(e, file, line) \
+    (__eprintf ("%s:%u: failed assertion `%s'\n", file, line, e), 0)
+
+#if __DARWIN_UNIX03
+#define        assert(e) \
+    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
+#else /* !__DARWIN_UNIX03 */
+#define assert(e)  \
+    ((void) (__builtin_expect(!(e), 0) ? __assert (#e, __FILE__, __LINE__) : 0))
+#endif /* __DARWIN_UNIX03 */
+
+#endif /* __GNUC__ */
+#endif /* NDEBUG */