STATUS: 50%
0000 T _fstat compatible
0044 T _stat compatible
0086 T _stat1 compatible
0172 T _dup compatible
022e T _fcntl compatible
02fc T _smount not compatible
04bc T _sumount not compatible
05be T _getmdev compatible
062a T _ioctl not compatible
06c2 T _stty not compatible
06e2 T _gtty not compatible
0702 T _mdmctl not existing
This commit is contained in:
Oliver Lehmann
parent
06cad5919e
commit
114fa234f7
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@ -50,7 +50,7 @@ fstat()
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fp = getf(uap->fdes);
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if(fp == NULL)
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return;
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stat1(fp->f_inode, uap->sb);
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stat1(fp->f_inode, uap->sb, fp->f_flag&FPIPE? fp->f_un.f_off: 0);
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}
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/*
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@ -68,7 +68,7 @@ stat()
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ip = namei(uchar, 0);
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if(ip == NULL)
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return;
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stat1(ip, uap->sb);
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stat1(ip, uap->sb, (off_t)0);
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iput(ip);
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}
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@ -76,15 +76,15 @@ stat()
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* The basic routine for fstat and stat:
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* get the inode and pass appropriate parts back.
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*/
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stat1(ip, ub)
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stat1(ip, ub, pipeadj)
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register struct inode *ip;
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struct stat *ub;
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off_t pipeadj;
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{
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register struct dinode *dp;
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register struct buf *bp;
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struct stat ds;
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if(ip->i_flag&(IACC|IUPD|ICHG))
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iupdat(ip, &time, &time);
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/*
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* first copy from inode table
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@ -96,7 +96,7 @@ struct stat *ub;
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ds.st_uid = ip->i_uid;
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ds.st_gid = ip->i_gid;
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ds.st_rdev = (dev_t)ip->i_rdev;
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ds.st_size = ip->i_size;
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ds.st_size = ip->i_size - pipeadj;
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/*
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* next the dates in the disk
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*/
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@ -117,20 +117,37 @@ struct stat *ub;
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dup()
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{
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register struct file *fp;
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register i;
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register struct a {
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int fdes;
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int fdes2;
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} *uap;
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register i, m;
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int foo1,foo2,foo3;
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uap = (struct a *)u.u_ap;
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m = uap->fdes & ~077;
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uap->fdes &= 077;
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fp = getf(uap->fdes);
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if(fp == NULL)
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return;
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if ((m&0100) == 0) {
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if ((i = ufalloc(0)) < 0)
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return;
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} else {
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i = uap->fdes2;
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if (i<0 || i>=NOFILE) {
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u.u_error = EBADF;
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return;
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}
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u.u_r.r_val1 = i;
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}
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if (i!=uap->fdes) {
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if (u.u_ofile[i]!=NULL)
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closef(u.u_ofile[i]);
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u.u_ofile[i] = fp;
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fp->f_count++;
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}
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}
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/*
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* the file control system call.
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@ -189,7 +206,7 @@ fcntl()
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*/
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smount()
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{
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dev_t dev;
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register dev_t dev;
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register struct inode *ip;
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register struct mount *mp;
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struct mount *smp;
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@ -202,26 +219,20 @@ smount()
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} *uap;
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uap = (struct a *)u.u_ap;
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if(!suser())
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return;
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dev = getmdev();
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if(u.u_error)
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return;
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u.u_dirp.l = (caddr_t)uap->freg;
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u.u_dirp.l = (caddr_t)(((long)uap->freg) & 0x7F00FFFF); /* FIXME: this is not 100% compatible */
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ip = namei(uchar, 0);
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if(ip == NULL)
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return;
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if ((ip->i_mode&IFMT) != IFDIR) {
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u.u_error = ENOTDIR;
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goto out;
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}
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if (ip->i_count != 1)
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goto out;
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if (ip->i_number == ROOTINO)
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if (ip->i_mode&2000)
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goto out;
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smp = NULL;
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for(mp = &mount[0]; mp < &mount[Nmount]; mp++) {
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if(mp->m_flags != MFREE) {
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if(mp->m_bufp) {
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if(dev == mp->m_dev)
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goto out;
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} else
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@ -231,9 +242,7 @@ smount()
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mp = smp;
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if(mp == NULL)
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goto out;
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mp->m_flags = MINTER;
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mp->m_dev = dev;
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(*bdevsw[major(dev)].d_open)(minor(dev), !uap->ronly);
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(*bdevsw[major(dev)].d_open)(dev, !uap->ronly);
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if(u.u_error)
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goto out1;
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bp = bread(dev, SUPERB);
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@ -242,14 +251,13 @@ smount()
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goto out1;
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}
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mp->m_inodp = ip;
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mp->m_dev = dev;
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mp->m_bufp = geteblk();
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bcopy((caddr_t)bp->b_un.b_addr, mp->m_bufp->b_un.b_addr, BSIZE);
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fp = mp->m_bufp->b_un.b_filsys;
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mp->m_flags = MINUSE;
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fp->s_ilock = 0;
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fp->s_flock = 0;
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fp->s_ninode = 0;
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fp->s_inode[0] = 0;
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fp->s_ronly = uap->ronly & 1;
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brelse(bp);
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ip->i_flag |= IMOUNT;
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@ -269,22 +277,21 @@ out:
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*/
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sumount()
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{
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dev_t dev;
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register dev_t dev;
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register struct inode *ip;
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register struct mount *mp;
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struct buf *bp;
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register struct a {
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char *fspec;
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};
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if(!suser())
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return;
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dev = getmdev();
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if(u.u_error)
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return;
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xumount(dev); /* remove unused sticky files from text table */
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update();
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for(mp = &mount[0]; mp < &mount[Nmount]; mp++)
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if(mp->m_flags == MINUSE && dev == mp->m_dev)
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if(mp->m_bufp)
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goto found;
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u.u_error = EINVAL;
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return;
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@ -295,17 +302,19 @@ found:
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u.u_error = EBUSY;
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return;
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}
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(*bdevsw[major(dev)].d_close)(minor(dev), 0);
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(*bdevsw[major(dev)].d_close)(dev, 0);
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binval(dev);
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ip = mp->m_inodp;
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ip->i_flag &= ~IMOUNT;
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plock(ip);
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iput(ip);
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brelse(mp->m_bufp);
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bp = mp->m_bufp;
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mp->m_bufp = NULL;
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mp->m_flags = MFREE;
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brelse(bp);
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/* FIXME: here has to be a clr @r8 - rr8 is mp */
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}
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/*
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* Common code for mount and umount.
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* Check that the user's argument is a reasonable
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@ -314,7 +323,7 @@ found:
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dev_t
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getmdev()
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{
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dev_t dev;
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register dev_t dev;
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register struct inode *ip;
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ip = namei(uchar, 0);
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@ -323,12 +332,13 @@ getmdev()
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if((ip->i_mode&IFMT) != IFBLK)
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u.u_error = ENOTBLK;
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dev = (dev_t)ip->i_rdev;
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/* if(major(dev) >= bdevcnt)
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if(major(dev) >= nblkdev)
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u.u_error = ENXIO;
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*/ iput(ip);
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iput(ip);
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return(dev);
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}
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/*
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* character special i/o control
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*/
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