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Annotation of 43BSDReno/sys/kern/kern_xxx.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)kern_xxx.c  7.14 (Berkeley) 6/28/90
        !            21:  */
        !            22: 
        !            23: #include "param.h"
        !            24: #include "systm.h"
        !            25: #include "user.h"
        !            26: #include "kernel.h"
        !            27: #include "proc.h"
        !            28: #include "reboot.h"
        !            29: 
        !            30: /* ARGSUSED */
        !            31: gethostid(p, uap, retval)
        !            32:        struct proc *p;
        !            33:        void *uap;
        !            34:        long *retval;
        !            35: {
        !            36: 
        !            37:        *retval = hostid;
        !            38:        return (0);
        !            39: }
        !            40: 
        !            41: sethostid(p, uap, retval)
        !            42:        struct proc *p;
        !            43:        struct args {
        !            44:                long    hostid;
        !            45:        } *uap;
        !            46:        int *retval;
        !            47: {
        !            48:        int error;
        !            49: 
        !            50:        if (error = suser(u.u_cred, &u.u_acflag))
        !            51:                return (error);
        !            52:        hostid = uap->hostid;
        !            53:        return (0);
        !            54: }
        !            55: 
        !            56: /* ARGSUSED */
        !            57: gethostname(p, uap, retval)
        !            58:        struct proc *p;
        !            59:        struct args {
        !            60:                char    *hostname;
        !            61:                u_int   len;
        !            62:        } *uap;
        !            63:        int *retval;
        !            64: {
        !            65: 
        !            66:        if (uap->len > hostnamelen + 1)
        !            67:                uap->len = hostnamelen + 1;
        !            68:        return (copyout((caddr_t)hostname, (caddr_t)uap->hostname, uap->len));
        !            69: }
        !            70: 
        !            71: /* ARGSUSED */
        !            72: sethostname(p, uap, retval)
        !            73:        struct proc *p;
        !            74:        register struct args {
        !            75:                char    *hostname;
        !            76:                u_int   len;
        !            77:        } *uap;
        !            78:        int *retval;
        !            79: {
        !            80:        int error;
        !            81: 
        !            82:        if (error = suser(u.u_cred, &u.u_acflag))
        !            83:                return (error);
        !            84:        if (uap->len > sizeof (hostname) - 1)
        !            85:                return (EINVAL);
        !            86:        hostnamelen = uap->len;
        !            87:        error = copyin((caddr_t)uap->hostname, hostname, uap->len);
        !            88:        hostname[hostnamelen] = 0;
        !            89:        return (error);
        !            90: }
        !            91: 
        !            92: /* ARGSUSED */
        !            93: reboot(p, uap, retval)
        !            94:        struct proc *p;
        !            95:        struct args {
        !            96:                int     opt;
        !            97:        } *uap;
        !            98:        int *retval;
        !            99: {
        !           100:        int error;
        !           101: 
        !           102:        if (error = suser(u.u_cred, &u.u_acflag))
        !           103:                return (error);
        !           104:        boot(uap->opt);
        !           105:        return (0);
        !           106: }
        !           107: 
        !           108: ovhangup()
        !           109: {
        !           110: 
        !           111:        return (EINVAL);
        !           112: }
        !           113: 
        !           114: oldquota()
        !           115: {
        !           116: 
        !           117:        return (EINVAL);
        !           118: }

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