mirror of
https://git.FreeBSD.org/src.git
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266 lines
6.8 KiB
C
266 lines
6.8 KiB
C
/*
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* Copyright (c) 1995 Scott Bartram
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* Copyright (c) 1995 Steven Wallace
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/filedesc.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/mount.h>
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#include <sys/vnode.h>
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#include <sys/sysctl.h>
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#include <sys/sysproto.h>
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#include <i386/ibcs2/ibcs2_signal.h>
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#include <i386/ibcs2/ibcs2_stat.h>
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#include <i386/ibcs2/ibcs2_statfs.h>
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#include <i386/ibcs2/ibcs2_proto.h>
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#include <i386/ibcs2/ibcs2_util.h>
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#include <i386/ibcs2/ibcs2_utsname.h>
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static void bsd_stat2ibcs_stat(struct stat *, struct ibcs2_stat *);
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static int cvt_statfs(struct statfs *, caddr_t, int);
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static void
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bsd_stat2ibcs_stat(st, st4)
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struct stat *st;
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struct ibcs2_stat *st4;
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{
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bzero(st4, sizeof(*st4));
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st4->st_dev = (ibcs2_dev_t)st->st_dev;
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st4->st_ino = (ibcs2_ino_t)st->st_ino;
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st4->st_mode = (ibcs2_mode_t)st->st_mode;
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st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
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st4->st_uid = (ibcs2_uid_t)st->st_uid;
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st4->st_gid = (ibcs2_gid_t)st->st_gid;
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st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
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if (st->st_size < (quad_t)1 << 32)
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st4->st_size = (ibcs2_off_t)st->st_size;
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else
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st4->st_size = -2;
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st4->st_atim = (ibcs2_time_t)st->st_atime;
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st4->st_mtim = (ibcs2_time_t)st->st_mtime;
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st4->st_ctim = (ibcs2_time_t)st->st_ctime;
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}
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static int
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cvt_statfs(sp, buf, len)
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struct statfs *sp;
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caddr_t buf;
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int len;
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{
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struct ibcs2_statfs ssfs;
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if (len < 0)
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return (EINVAL);
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else if (len > sizeof(ssfs))
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len = sizeof(ssfs);
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bzero(&ssfs, sizeof ssfs);
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ssfs.f_fstyp = 0;
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ssfs.f_bsize = sp->f_bsize;
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ssfs.f_frsize = 0;
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ssfs.f_blocks = sp->f_blocks;
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ssfs.f_bfree = sp->f_bfree;
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ssfs.f_files = sp->f_files;
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ssfs.f_ffree = sp->f_ffree;
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ssfs.f_fname[0] = 0;
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ssfs.f_fpack[0] = 0;
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return copyout((caddr_t)&ssfs, buf, len);
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}
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int
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ibcs2_statfs(td, uap)
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struct thread *td;
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struct ibcs2_statfs_args *uap;
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{
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register struct mount *mp;
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register struct statfs *sp;
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int error;
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struct nameidata nd;
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caddr_t sg = stackgap_init();
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CHECKALTEXIST(td, &sg, uap->path);
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td);
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if ((error = namei(&nd)) != 0)
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return (error);
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NDFREE(&nd, NDF_ONLY_PNBUF);
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mp = nd.ni_vp->v_mount;
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sp = &mp->mnt_stat;
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vrele(nd.ni_vp);
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if ((error = VFS_STATFS(mp, sp, td)) != 0)
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return (error);
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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return cvt_statfs(sp, (caddr_t)uap->buf, uap->len);
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}
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int
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ibcs2_fstatfs(td, uap)
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struct thread *td;
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struct ibcs2_fstatfs_args *uap;
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{
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struct file *fp;
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struct mount *mp;
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register struct statfs *sp;
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int error;
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if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
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return (error);
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mp = fp->f_vnode->v_mount;
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sp = &mp->mnt_stat;
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error = VFS_STATFS(mp, sp, td);
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fdrop(fp, td);
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if (error != 0)
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return (error);
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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return cvt_statfs(sp, (caddr_t)uap->buf, uap->len);
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}
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int
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ibcs2_stat(td, uap)
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struct thread *td;
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struct ibcs2_stat_args *uap;
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{
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct stat_args cup;
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int error;
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caddr_t sg = stackgap_init();
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CHECKALTEXIST(td, &sg, uap->path);
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cup.path = uap->path;
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cup.ub = stackgap_alloc(&sg, sizeof(st));
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if ((error = stat(td, &cup)) != 0)
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return error;
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if ((error = copyin(cup.ub, &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
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ibcs2_stat_len);
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}
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int
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ibcs2_lstat(td, uap)
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struct thread *td;
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struct ibcs2_lstat_args *uap;
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{
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct lstat_args cup;
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int error;
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caddr_t sg = stackgap_init();
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CHECKALTEXIST(td, &sg, uap->path);
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cup.path = uap->path;
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cup.ub = stackgap_alloc(&sg, sizeof(st));
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if ((error = lstat(td, &cup)) != 0)
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return error;
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if ((error = copyin(cup.ub, &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
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ibcs2_stat_len);
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}
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int
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ibcs2_fstat(td, uap)
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struct thread *td;
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struct ibcs2_fstat_args *uap;
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{
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct fstat_args cup;
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int error;
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caddr_t sg = stackgap_init();
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cup.fd = uap->fd;
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cup.sb = stackgap_alloc(&sg, sizeof(st));
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if ((error = fstat(td, &cup)) != 0)
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return error;
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if ((error = copyin(cup.sb, &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
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ibcs2_stat_len);
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}
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int
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ibcs2_utssys(td, uap)
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struct thread *td;
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struct ibcs2_utssys_args *uap;
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{
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switch (uap->flag) {
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case 0: /* uname(2) */
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{
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char machine_name[9], *p;
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struct ibcs2_utsname sut;
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bzero(&sut, ibcs2_utsname_len);
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strncpy(sut.sysname,
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IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
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strncpy(sut.release,
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IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
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strncpy(sut.version,
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IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
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getcredhostname(td->td_ucred, machine_name,
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sizeof(machine_name) - 1);
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p = index(machine_name, '.');
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if ( p )
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*p = '\0';
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strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
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strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
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DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
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sut.sysname, sut.release, sut.version, sut.nodename,
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sut.machine));
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return copyout((caddr_t)&sut, (caddr_t)uap->a1,
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ibcs2_utsname_len);
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}
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case 2: /* ustat(2) */
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{
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return ENOSYS; /* XXX - TODO */
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}
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default:
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return ENOSYS;
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}
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}
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