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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 28 * 29 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 30 * Use is subject to license terms. 31 */ 32 33 #ifndef _SYS_UTSNAME_H 34 #define _SYS_UTSNAME_H 35 36 #include <sys/feature_tests.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define _SYS_NMLN 257 /* 4.0 size of utsname elements */ 43 /* Must be at least 257 to */ 44 /* support Internet hostnames. */ 45 46 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 47 #ifndef SYS_NMLN 48 #define SYS_NMLN _SYS_NMLN 49 #endif 50 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 51 52 struct utsname { 53 char sysname[_SYS_NMLN]; 54 char nodename[_SYS_NMLN]; 55 char release[_SYS_NMLN]; 56 char version[_SYS_NMLN]; 57 char machine[_SYS_NMLN]; 58 }; 59 60 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 61 extern struct utsname utsname; 62 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 63 64 #if !defined(_KERNEL) 65 66 #if defined(__i386) && !defined(__amd64) 67 68 extern int uname(struct utsname *); 69 extern int _uname(struct utsname *); 70 71 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 72 extern int nuname(struct utsname *); 73 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 74 extern int _nuname(struct utsname *); 75 76 /* 77 * On i386 in SVID.2 uname() returns a utsname structure with 8 byte members, 78 * and nuname() returns the real struct utsname. In SVID.3 uname and nuname 79 * are equivalent. Anyone who includes this header gets the SVID.3 behaviour. 80 * The SVID.2 behaviour exists solely for compatibility, and is what is 81 * implemented by the libc uname/_uname entrypoints. 82 */ 83 #ifdef __PRAGMA_REDEFINE_EXTNAME 84 #pragma redefine_extname uname _nuname 85 #pragma redefine_extname _uname _nuname 86 #else 87 #define uname _nuname 88 #define _uname _nuname 89 #endif 90 91 #else /* defined(__i386) */ 92 93 extern int uname(struct utsname *); 94 95 #endif /* defined(__i386) */ 96 97 #else /* !(_KERNEL) */ 98 /* 99 * Routine to retrieve the nodename as seen in the current process's zone. 100 */ 101 extern char *uts_nodename(void); 102 #endif /* !(_KERNEL) */ 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 #endif /* _SYS_UTSNAME_H */