Support creation/detection of pipes and character/block devices

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/scaffold b/scaffold
index eb4b531ec510a22e1d6c07f108eee5adfb4d8018..d2cfad7ba97d19c606f0d233c923352160f30ae5 100644 (file)
--- 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=$?