1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * __xpg6 (C99/SUSv3) was first introduced in Solaris 10. 31 * 32 * This is the default value that is compiled into libc. 33 * 34 * The default setting, _C99SUSv3_mode_OFF, means to retain current 35 * Solaris behavior which is NOT C99 and SUSv3 compliant. 36 * This is normal. libc determines which standard to use based on 37 * how applications are compiled. libc at runtime determines which 38 * behavior to choose based on the value of __xpg6. 39 * But by default libc retains its original Solaris behavior. 40 * 41 * __xpg6 is used to control certain behaviors between the C99 standard, 42 * the SUSv3 standard, and Solaris. More explanation in inc/xpg6.h. 43 * The XPG6 C compiler utility (c99) will add an object file that contains an 44 * alternate definition for __xpg6. The symbol interposition provided 45 * by the linker will allow libc to find that symbol instead. 46 * 47 * Possible settings are available and documented in inc/xpg6.h. 48 */ 49 50 #include "xpg6.h" 51 52 unsigned int __xpg6 = _C99SUSv3_mode_OFF; 53 54 unsigned int libc__xpg6; /* copy of __xpg6, private to libc */ 55