get lstat of symlinks to return the correct length

SCCS-vsn: sys/isofs/cd9660/cd9660_vnops.c 8.11

diff --git a/usr/src/sys/isofs/cd9660/cd9660_vnops.c b/usr/src/sys/isofs/cd9660/cd9660_vnops.c
index abc3776..81d7da9 100644 (file)
--- a/usr/src/sys/isofs/cd9660/cd9660_vnops.c
+++ b/usr/src/sys/isofs/cd9660/cd9660_vnops.c
@@ -9,7 +9,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)cd9660_vnops.c      8.10 (Berkeley) %G%
+ *     @(#)cd9660_vnops.c      8.11 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -212,6 +212,29 @@ cd9660_getattr(ap)
        vap->va_rdev    = ip->inode.iso_rdev;
 
        vap->va_size    = (u_quad_t) ip->i_size;
        vap->va_rdev    = ip->inode.iso_rdev;
 
        vap->va_size    = (u_quad_t) ip->i_size;

+       if (ip->i_size == 0 && (vap->va_mode & S_IFMT) == S_IFLNK) {
+               struct vop_readlink_args rdlnk;
+               struct iovec aiov;
+               struct uio auio;
+               char *cp;
+
+               MALLOC(cp, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
+               aiov.iov_base = cp;
+               aiov.iov_len = MAXPATHLEN;
+               auio.uio_iov = &aiov;
+               auio.uio_iovcnt = 1;
+               auio.uio_offset = 0;
+               auio.uio_rw = UIO_READ;
+               auio.uio_segflg = UIO_SYSSPACE;
+               auio.uio_procp = ap->a_p;
+               auio.uio_resid = MAXPATHLEN;
+               rdlnk.a_uio = &auio;
+               rdlnk.a_vp = ap->a_vp;
+               rdlnk.a_cred = ap->a_cred;
+               if (cd9660_readlink(&rdlnk) == 0)
+                       vap->va_size = MAXPATHLEN - auio.uio_resid;
+               FREE(cp, M_TEMP);
+       }

        vap->va_flags   = 0;
        vap->va_gen = 1;
        vap->va_blocksize = ip->i_mnt->logical_block_size;
        vap->va_flags   = 0;
        vap->va_gen = 1;
        vap->va_blocksize = ip->i_mnt->logical_block_size;