FreeBSD/Linux Kernel Cross Reference
sys/compat/common/kern_info_09.c

     /*      $NetBSD: kern_info_09.c,v 1.20 2007/12/20 23:02:44 dsl Exp $    */
     
     /*
      * Copyright (c) 1982, 1986, 1991, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * 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. 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.
     *
     *      @(#)subr_xxx.c  8.1 (Berkeley) 6/10/93
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: kern_info_09.c,v 1.20 2007/12/20 23:02:44 dsl Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/filedesc.h>
    #include <sys/kernel.h>
    #include <sys/proc.h>
    #include <sys/syslog.h>
    #include <sys/unistd.h>
    #include <uvm/uvm_extern.h>
    #include <sys/sysctl.h>
    
    #include <sys/mount.h>
    #include <sys/syscallargs.h>
    
    /* ARGSUSED */
    int
    compat_09_sys_getdomainname(struct lwp *l, const struct compat_09_sys_getdomainname_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(char *) domainname;
                    syscallarg(int) len;
            } */
            int name[2];
            size_t sz;
    
            name[0] = CTL_KERN;
            name[1] = KERN_DOMAINNAME;
            sz = SCARG(uap,len);
            return (old_sysctl(&name[0], 2, SCARG(uap, domainname), &sz, 0, 0, l));
    }
    
    
    /* ARGSUSED */
    int
    compat_09_sys_setdomainname(struct lwp *l, const struct compat_09_sys_setdomainname_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(char *) domainname;
                    syscallarg(int) len;
            } */
            int name[2];
    
            name[0] = CTL_KERN;
            name[1] = KERN_DOMAINNAME;
            return (old_sysctl(&name[0], 2, 0, 0, SCARG(uap, domainname),
                               SCARG(uap, len), l));
    }
    
    struct outsname {
            char    sysname[32];
            char    nodename[32];
            char    release[32];
            char    version[32];
            char    machine[32];
    };
    
    /* ARGSUSED */
    int
    compat_09_sys_uname(struct lwp *l, const struct compat_09_sys_uname_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(struct outsname *) name;
            } */
            struct outsname outsname;
           const char *cp;
           char *dp, *ep;
   
           strncpy(outsname.sysname, ostype, sizeof(outsname.sysname));
           strncpy(outsname.nodename, hostname, sizeof(outsname.nodename));
           strncpy(outsname.release, osrelease, sizeof(outsname.release));
           dp = outsname.version;
           ep = &outsname.version[sizeof(outsname.version) - 1];
           for (cp = version; *cp && *cp != '('; cp++)
                   ;
           for (cp++; *cp && *cp != ')' && dp < ep; cp++)
                   *dp++ = *cp;
           for (; *cp && *cp != '#'; cp++)
                   ;
           for (; *cp && *cp != ':' && dp < ep; cp++)
                   *dp++ = *cp;
           *dp = '\0';
           strncpy(outsname.machine, MACHINE, sizeof(outsname.machine));
           return (copyout((void *)&outsname, (void *)SCARG(uap, name),
                           sizeof(struct outsname)));
   }

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