Changeset 1506 for trunk/src/emx/include/varargs.h

Timestamp:

Sep 15, 2004, 12:27:38 AM (21 years ago)

Author:

bird

Message:

@unixroot. header reviews. ++

File:

• trunk/src/emx/include/varargs.h (modified) (1 diff, 1 prop)

trunk/src/emx/include/varargs.h

@@ -1 @@
-/* varargs.h (emx+gcc) */
+/* varargs.h,v 1.2 2004/09/14 22:27:36 bird Exp */
+/** @file
+ * FreeBSD 5.2
+ */
+/*-
+ * Copyright (c) 1990, 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.
+ *
+ *      @(#)varargs.h   8.2 (Berkeley) 3/22/94
+ * $FreeBSD: src/sys/i386/include/varargs.h,v 1.8 1999/08/28 00:44:27 peter Exp $
+ */
 
-#ifndef _VARARGS_H
-#define _VARARGS_H
+#ifndef _VARARGS_H_
+#define _VARARGS_H_
 
-#if !defined (NULL)
-#if defined (__cplusplus)
-#define NULL 0
+typedef char *va_list;
+
+#define __va_size(type) \
+        (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
+
+#ifdef __GNUC__
+#define va_alist        __builtin_va_alist
+#endif
+#if __GNUC__ > 1
+#define va_dcl  int va_alist; ...
 #else
-#define NULL ((void *)0)
-#endif
+#define va_dcl  int va_alist;
 #endif
 
-#define _VA_LIST
+#define va_start(ap) \
+        ((ap) = (va_list)&va_alist)
 
-#define _VA_ROUND(type) ((sizeof (type) + 3) & -4)
+#define va_arg(ap, type) \
+        (*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
 
-#define va_alist __builtin_va_alist
-#define va_dcl int __builtin_va_alist;
-#define va_list char *
+#define va_end(ap)
 
-#define va_start(alist) alist = (char *)&__builtin_va_alist
-#define va_end(alist) (alist = 0, (void)0)
-#define __std_va_arg(alist,t) (alist += _VA_ROUND (t), \
-                               *((t *)(alist - _VA_ROUND (t))))
-
-#ifdef __BOUNDS_CHECKING_ON
-#include <fix-args.h>
-#else
-#define va_arg(alist,t) __std_va_arg(alist,t)
-#endif
-
-#endif /* not _VARARGS_H */
+#endif /* !_VARARGS_H_ */