/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1991 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <errno.h>
#include <string.h>
#include <sys/utsname.h>
#include <sys/syscall.h>
/*
* utsname structure has a different format in SVr4/SunOS 5.0.
* The data needs to be mapped before returning to the user.
*/
/*
* The following values and structure are from the SVR4 utsname.h.
*/
#define NEW_SYS_NMLN 257
#define SYS_NMLN 9
#define SYS_NDLN 65
struct n_utsname {
char sysname[NEW_SYS_NMLN];
char nodename[NEW_SYS_NMLN];
char release[NEW_SYS_NMLN];
char version[NEW_SYS_NMLN];
char machine[NEW_SYS_NMLN];
};
int
uname(struct utsname *uts)
{
return (bc_uname(uts));
}
int
bc_uname(struct utsname *uts)
{
struct n_utsname n_uts;
int ret;
if ((ret = _syscall(SYS_uname, &n_uts)) != -1) {
memcpy(uts->sysname, n_uts.sysname, SYS_NMLN);
if (strlen(n_uts.sysname) > SYS_NMLN)
uts->sysname[SYS_NMLN-1] = '\0';
/*
* The nodename was originally 9 bytes (including NUL), but a
* field was added, following it, extending it to SYS_NDLN.
* So we have to copy it in two passes
*/
memcpy(uts->nodename, n_uts.nodename, SYS_NMLN);
memcpy(uts->nodeext, n_uts.nodename + SYS_NMLN,
SYS_NDLN - SYS_NMLN);
if (strlen(n_uts.nodename) > SYS_NDLN)
uts->nodeext[sizeof (uts->nodeext) - 1] = '\0';
memcpy(uts->release, n_uts.release, SYS_NMLN);
if (strlen(n_uts.release) > SYS_NMLN)
uts->release[SYS_NMLN-1] = '\0';
memcpy(uts->version, n_uts.version, SYS_NMLN);
if (strlen(n_uts.version) > SYS_NMLN)
uts->version[SYS_NMLN-1] = '\0';
memcpy(uts->machine, n_uts.machine, SYS_NMLN);
if (strlen(n_uts.machine) > SYS_NMLN)
uts->machine[SYS_NMLN-1] = '\0';
}
return (ret);
}