From 91dd6c7ceb7214338e64502d14770b56a647589f Mon Sep 17 00:00:00 2001
From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Tue, 18 Dec 2007 21:13:40 -0500
Subject: [PATCH] Support creation/detection of pipes and character/block
 devices

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---
 scaffold | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/scaffold b/scaffold
index eb4b531..d2cfad7 100644
--- a/scaffold
+++ b/scaffold
@@ -57,13 +57,16 @@ function create_hierarchy {
                 TYPE=`echo $LINE | cut -d' ' -f 1`
                 NAME=`echo $LINE | cut -d' ' -f 2`
 
-		unset DIR FILE IMMUTABLE SOURCE	SYMLINK
+		unset DIR FILE IMMUTABLE SOURCE	SYMLINK BLOCKDEV CHARDEV PIPE
 
 		( echo $TYPE | grep -q d ) && DIR=1
 		( echo $TYPE | grep -q f ) && FILE=1
 		( echo $TYPE | grep -q i ) && IMMUTABLE=1
 		( echo $TYPE | grep -q s ) && SOURCE=1
 		( echo $TYPE | grep -q l ) && SYMLINK=1
+		( echo $TYPE | grep -q b ) && BLOCKDEV=1
+		( echo $TYPE | grep -q c ) && CHARDEV=1
+		( echo $TYPE | grep -q p ) && PIPE=1
 
 		if [ ! -z "$SOURCE" ] ; then
 			if [ ! -z "$DIR" ] ; then
@@ -114,6 +117,19 @@ function create_hierarchy {
 			fi
                 elif [ ! -z "$SYMLINK" ] ; then
 			ln -s "linktext:$NAME" $NAME
+                elif [ ! -z "$BLOCKDEV" ] ; then
+                        mkdir -p `dirname $NAME` || exit $?
+			# re-create /dev/loop7 (better be free)
+			mknod $NAME b 7 7 || exit $?
+			chmod 644 $NAME || exit $?
+                elif [ ! -z "$CHARDEV" ] ; then
+                        mkdir -p `dirname $NAME` || exit $?
+			# re-create a /dev/null
+			mknod $NAME c 1 3 || exit $?
+			chmod 644 $NAME || exit $?
+                elif [ ! -z "$PIPE" ] ; then
+			mkfifo $NAME || exit $?
+			chmod 644 $NAME || exit $?
 		else
 			echo "What type am i: $TYPE" 1>&2
 			exit $?
@@ -180,6 +196,8 @@ function check_hierarchy {
 	    find $1 -type b -printf 'b %p\n'
 	    find $1 -type c -printf 'c %p\n'
 	    find $1 -type l -printf 'l %p\n'
+	    find $1 -type p -printf 'p %p\n'
+	    find $1 -type s -printf 's %p\n'
 	) | sort > /tmp/check-$$
         grep -v '^$' | sort | diff -u - /tmp/check-$$
         ERR=$?
-- 
2.43.0