Imported Upstream version 93u+upstream

1 files changed, 117 insertions, 0 deletions

diff --git a/src/lib/libast/include/fs3d.h b/src/lib/libast/include/fs3d.h
new file mode 100644
index 0000000..9d3c992
--- /dev/null
+++ b/src/lib/libast/include/fs3d.h
@@ -0,0 +1,117 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * 3d fs interface definitions
+ */
+
+#ifndef _FS3D_H
+#define _FS3D_H
+
+#include <ast_fs.h>
+
+#if _int_st_spare1
+#define iview(p)	((p)->st_spare1)
+#define IVIEW(p,v)	((p)->st_spare1=(v))
+#else
+#if _ary_st_spare4
+#define iview(p)	((p)->st_spare4[0])
+#define IVIEW(p,v)	((p)->st_spare4[0]=(v))
+#else
+#if _ary_st_extra
+#define iview(p)	((p)->st_extra[0])
+#define IVIEW(p,v)	((p)->st_extra[0]=(v))
+#else
+#if _ary_st_pad4
+#define iview(p)	((p)->st_pad4[0])
+#define IVIEW(p,v)	((p)->st_pad4[0]=(v))
+#else
+#if _mem_st_rdev_stat
+#define iview(p)	((S_ISBLK((p)->st_mode)||S_ISCHR((p)->st_mode))?0:(p)->st_rdev)
+#define IVIEW(p,v)	do{if(!S_ISBLK((p)->st_mode)&&!S_ISCHR((p)->st_mode))(p)->st_rdev=(v);}while(0)
+#else
+#define iview(p)	0
+#define IVIEW(p,v)
+#endif
+#endif
+#endif
+#endif
+#endif
+
+/*
+ * special options
+ */
+
+#define FS3D_init	"/#option/init"
+#define FS3D_on		"/#option/3d"
+#define FS3D_off	"/#option/2d"
+
+/*
+ * fs3d(3) ops
+ */
+
+#define FS3D_OP(o,a)	(((a)<<3)|(o))
+
+#define FS3D_INIT	FS3D_OP_INIT	/* re-initialize tables		*/
+#define FS3D_OFF	FS3D_OP_OFF
+#define FS3D_ON		FS3D_OP_ON
+#define FS3D_TEST	FS3D_OP_TEST
+#define FS3D_LIMIT(n)	FS3D_OP(FS3D_OP_LIMIT,n)
+
+#define FS3D_op(x)	((x)&07)
+#define FS3D_arg(x)	(((x)>>3)&07777)
+
+#define FS3D_OP_OFF	0
+#define FS3D_OP_ON	1
+#define FS3D_OP_TEST	2
+#define FS3D_OP_LIMIT	3
+#define FS3D_OP_INIT	7
+
+/*
+ * mount(2) ops
+ */
+
+#define FS3D_ALL	(FS3D_VIEW|FS3D_VERSION)
+#define FS3D_VIEW	002
+#define FS3D_VERSION	004
+#define FS3D_GET	010
+#define FS3D_SIZE(n)	((n)<<4)
+#define FS3D_SIZEOF(n)	((n)>>4)
+
+#if !_BLD_3d
+#define mount(s,t,f,d)	fs3d_mount(s,t,f,d)
+#endif
+
+#if _BLD_ast && defined(__EXPORT__)
+#define extern		__EXPORT__
+#endif
+
+extern int		fs3d(int);
+extern int		fs3d_mount(const char*, char*, int, void*);
+extern char*		pathnext(char*, char*, long*);
+
+#undef	extern
+
+#endif