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Annotation of sys/compat/svr4/svr4_jioctl.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: svr4_jioctl.c,v 1.2 2002/03/14 01:26:51 millert Exp $  */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1997 Niklas Hallqvist
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. The name of the author may not be used to endorse or promote products
        !            16:  *    derived from this software without specific prior written permission
        !            17:  *
        !            18:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            19:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            20:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            21:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            22:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            23:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            24:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            25:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            26:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            27:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: /*
        !            31:  * Deal with the "j" svr4 ioctls ("j" stands for "jerq", the first windowing
        !            32:  * terminal).
        !            33:  */
        !            34:
        !            35: #include <sys/types.h>
        !            36: #include <sys/param.h>
        !            37: #include <sys/errno.h>
        !            38: #include <sys/file.h>
        !            39: #include <sys/proc.h>
        !            40: #include <sys/systm.h>
        !            41: #include <sys/ttycom.h>
        !            42:
        !            43: #include <compat/svr4/svr4_ioctl.h>
        !            44: #include <compat/svr4/svr4_jioctl.h>
        !            45: #include <compat/svr4/svr4_util.h>
        !            46:
        !            47: int
        !            48: svr4_jerq_ioctl(fp, p, retval, fd, cmd, data)
        !            49:        struct file *fp;
        !            50:        struct proc *p;
        !            51:        register_t *retval;
        !            52:        int fd;
        !            53:        u_long cmd;
        !            54:        caddr_t data;
        !            55: {
        !            56:        struct svr4_jwinsize jws;
        !            57:        struct winsize ws;
        !            58:        int error;
        !            59:        int (*ctl)(struct file *, u_long,  caddr_t, struct proc *) =
        !            60:            fp->f_ops->fo_ioctl;
        !            61:
        !            62:        switch (cmd) {
        !            63:        case SVR4_JWINSIZE:
        !            64:                error = (*ctl)(fp, TIOCGWINSZ, (caddr_t)&ws, p);
        !            65:                if (error)
        !            66:                        return (error);
        !            67:                jws.bytesx = ws.ws_col;
        !            68:                jws.bytesy = ws.ws_row;
        !            69:                jws.bitsx = ws.ws_xpixel;
        !            70:                jws.bitsy = ws.ws_ypixel;
        !            71:                return (copyout(&jws, data, sizeof (jws)));
        !            72:
        !            73:        default:
        !            74:                DPRINTF(("Unimplemented ioctl %lx\n", cmd));
        !            75:                return (EINVAL);
        !            76:        }
        !            77: }