xref: /titanic_41/usr/src/lib/libast/common/features/preroot.sh (revision bbb1277b6ec1b0daad4e3ed1a2b891d3e2ece2eb)
1########################################################################
2#                                                                      #
3#               This software is part of the ast package               #
4#          Copyright (c) 1985-2009 AT&T Intellectual Property          #
5#                      and is licensed under the                       #
6#                  Common Public License, Version 1.0                  #
7#                    by AT&T Intellectual Property                     #
8#                                                                      #
9#                A copy of the License is available at                 #
10#            http://www.opensource.org/licenses/cpl1.0.txt             #
11#         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         #
12#                                                                      #
13#              Information and Software Systems Research               #
14#                            AT&T Research                             #
15#                           Florham Park NJ                            #
16#                                                                      #
17#                 Glenn Fowler <gsf@research.att.com>                  #
18#                  David Korn <dgk@research.att.com>                   #
19#                   Phong Vo <kpv@research.att.com>                    #
20#                                                                      #
21########################################################################
22: generate preroot features
23case $# in
240)	;;
25*)	eval $1
26	shift
27	;;
28esac
29if	/etc/preroot / /bin/echo >/dev/null
30then	cat <<!
31#pragma prototyped
32
33#define FS_PREROOT	1			/* preroot enabled	*/
34#define PR_BASE		"CCS"			/* preroot base env var	*/
35#define PR_COMMAND	"/etc/preroot"		/* the preroot command	*/
36#define PR_REAL		"/dev/.."		/* real root pathname	*/
37#define PR_SILENT	"CCSQUIET"		/* no command trace	*/
38
39extern char*		getpreroot(char*, const char*);
40extern int		ispreroot(const char*);
41extern int		realopen(const char*, int, int);
42extern void		setpreroot(char**, const char*);
43
44!
45else	echo "/* preroot not enabled */"
46fi
47