xref: /onnv-gate/usr/src/lib/libbc/libc/sys/common/uname.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1991 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include	<errno.h>
30*0Sstevel@tonic-gate #include	<string.h>
31*0Sstevel@tonic-gate #include	<sys/utsname.h>
32*0Sstevel@tonic-gate #include	<sys/syscall.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate /*
35*0Sstevel@tonic-gate  * utsname structure has a different format in SVr4/SunOS 5.0.
36*0Sstevel@tonic-gate  * The data needs to be mapped before returning to the user.
37*0Sstevel@tonic-gate  */
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * The following values and structure are from the SVR4 utsname.h.
41*0Sstevel@tonic-gate  */
42*0Sstevel@tonic-gate #define		NEW_SYS_NMLN	257
43*0Sstevel@tonic-gate #define 	SYS_NMLN	9
44*0Sstevel@tonic-gate #define		SYS_NDLN	65
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate struct n_utsname {
47*0Sstevel@tonic-gate 	char sysname[NEW_SYS_NMLN];
48*0Sstevel@tonic-gate 	char nodename[NEW_SYS_NMLN];
49*0Sstevel@tonic-gate 	char release[NEW_SYS_NMLN];
50*0Sstevel@tonic-gate 	char version[NEW_SYS_NMLN];
51*0Sstevel@tonic-gate 	char machine[NEW_SYS_NMLN];
52*0Sstevel@tonic-gate };
53*0Sstevel@tonic-gate 
uname(uts)54*0Sstevel@tonic-gate int uname( uts )
55*0Sstevel@tonic-gate register struct utsname *uts;		/* where to put results */
56*0Sstevel@tonic-gate {
57*0Sstevel@tonic-gate 	return(bc_uname(uts));
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate 
bc_uname(uts)60*0Sstevel@tonic-gate int bc_uname( uts )
61*0Sstevel@tonic-gate struct utsname *uts;
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	struct n_utsname n_uts;
64*0Sstevel@tonic-gate 	int    ret;
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 	if ((ret = _syscall(SYS_uname, &n_uts)) != -1) {
67*0Sstevel@tonic-gate 		memcpy(uts->sysname, n_uts.sysname, SYS_NMLN);
68*0Sstevel@tonic-gate 		if (strlen(n_uts.sysname) > SYS_NMLN)
69*0Sstevel@tonic-gate 			uts->sysname[SYS_NMLN-1] = '\0';
70*0Sstevel@tonic-gate 		memcpy(uts->nodename, n_uts.nodename, SYS_NDLN);
71*0Sstevel@tonic-gate 		if (strlen(n_uts.nodename) > SYS_NDLN)
72*0Sstevel@tonic-gate 			uts->nodename[SYS_NDLN-1] = '\0';
73*0Sstevel@tonic-gate 		memcpy(uts->release, n_uts.release, SYS_NMLN);
74*0Sstevel@tonic-gate 		if (strlen(n_uts.release) > SYS_NMLN)
75*0Sstevel@tonic-gate 			uts->release[SYS_NMLN-1] = '\0';
76*0Sstevel@tonic-gate 		memcpy(uts->version, n_uts.version, SYS_NMLN);
77*0Sstevel@tonic-gate 		if (strlen(n_uts.version) > SYS_NMLN)
78*0Sstevel@tonic-gate 			uts->version[SYS_NMLN-1] = '\0';
79*0Sstevel@tonic-gate 		memcpy(uts->machine, n_uts.machine, SYS_NMLN);
80*0Sstevel@tonic-gate 		if (strlen(n_uts.machine) > SYS_NMLN)
81*0Sstevel@tonic-gate 			uts->machine[SYS_NMLN-1] = '\0';
82*0Sstevel@tonic-gate 	}
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	return(ret);
85*0Sstevel@tonic-gate }
86