Re: smbfs seek support

["Andrew V. Samoilov" <sav bcs zp ua>]

Hello Pavel and Olecom!

Pavel Roskin wrote:
> Hello!
>
>
> > May I present me as little coding animal.
>
>
> :-)
>
>
> >   It's very useful patch for smbfs users. It's very little - but
> > powerful against windoze smb-kik programs.

Olecom, can you test backported version of this function?


--
Regards,
Andrew V. Samoilov

ChangeLog:

* smbfs.c (smbfs_lseek): Backport from Samba 2.2 Suite.

diff -u mc/vfs/smbfs.c~ mc/vfs/smbfs.c~
--- mc/vfs/smbfs.c~	Fri Sep 13 07:29:35 2002
+++ mc/vfs/smbfs.c	Tue Sep 24 11:26:55 2002
@@ -1550,9 +1567,34 @@ smbfs_stat (vfs *me, char *path, struct 
 static int
 smbfs_lseek (void *data, off_t offset, int whence)
 {
-	DEBUG(3, ("smbfs_lseek()\n"));
-	my_errno = EOPNOTSUPP;
-    return -1;
+    smbfs_handle *info = (smbfs_handle *) data;
+    size_t size;
+
+    DEBUG (3,
+	   ("smbfs_lseek(info->nread => %d, offset => %d, whence => %d) \n",
+	    (int) info->nread, (int) offset, whence));
+
+    switch (whence) {
+    case SEEK_SET:
+	info->nread = offset;
+	break;
+    case SEEK_CUR:
+	info->nread += offset;
+	break;
+    case SEEK_END:
+	if (!cli_qfileinfo (info->cli, info->fnum,
+			    NULL, &size, NULL, NULL, NULL,
+			    NULL, NULL) &&
+	    !cli_getattrE (info->cli, info->fnum,
+			   NULL, &size, NULL, NULL, NULL)) {
+	    errno = EINVAL;
+	    return -1;
+	}
+	info->nread = size + offset;
+	break;
+    }
+
+    return info->nread;
 }
 
 static int