initial import of tcfs.

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/miscfs/tcfs/tcfs_fileinfo.h b/sys/miscfs/tcfs/tcfs_fileinfo.h
new file mode 100644
index 00000000000..e64eff4fc75
--- /dev/null
+++ b/sys/miscfs/tcfs/tcfs_fileinfo.h
@@ -0,0 +1,34 @@
+/*	Gestione informazioni sui files cifrati
+*/
+
+
+typedef struct {	
+		 unsigned long flag;
+		 unsigned int end_of_file;
+		} tcfs_fileinfo;
+
+#define		MBFLAG	0x00000010
+#define		SPFLAG	0x000000e0
+#define		GSFLAG	0x00000100
+
+#define	FI_CFLAG(x)	(((x)->flag&MBFLAG)>>4)
+#define	FI_SPURE(x)	(((x)->flag&SPFLAG)>>5)
+#define	FI_GSHAR(x)	(((x)->flag&GSFLAG)>>8)
+#define FI_ENDOF(x)	((x)->end_of_file)
+
+#define	FI_SET_CF(x,y)	((x)->flag=\
+			 ((x)->flag & (~MBFLAG))|((y<<4)&MBFLAG))
+
+#define	FI_SET_SP(x,y)	((x)->flag=\
+			 ((x)->flag & (~SPFLAG))|((y<<5)&SPFLAG))
+
+#define	FI_SET_GS(x,y)	((x)->flag=\
+			 ((x)->flag & (~GSFLAG))|((y<<8)&GSFLAG))
+
+/*	prototipi	*/
+
+tcfs_fileinfo 	tcfs_get_fileinfo(void *);
+tcfs_fileinfo 	tcfs_xgetflags(struct vnode *,struct proc *,struct ucred*);
+int 		tcfs_set_fileinfo(void *, tcfs_fileinfo *);
+int 		tcfs_xsetflags(struct vnode *, struct proc *, struct ucred *, tcfs_fileinfo *);
+