-# bool get_bootparam(param)
-#
-# return 0 if gentoo=param was passed to the kernel
-#
-# EXAMPLE: if get_bootparam "nodevfs" ; then ....
-#
-get_bootparam() {
- local x copt params retval=1
-
- [ ! -r "/proc/cmdline" ] && return 1
-
- for copt in $(< /proc/cmdline)
- do
- if [ "${copt%=*}" = "gentoo" ]
- then
- params="$(gawk -v PARAMS="${copt##*=}" '
- BEGIN {
- split(PARAMS, nodes, ",")
- for (x in nodes)
- print nodes[x]
- }')"
-
- # Parse gentoo option
- for x in ${params}
- do
- if [ "${x}" = "$1" ]
- then
-# printf "YES\n"
- retval=0
- fi
- done
- fi
- done
-
- return ${retval}
-}
-
-# Safer way to list the contents of a directory,
-# as it do not have the "empty dir bug".
-#
-# char *dolisting(param)
-#
-# print a list of the directory contents
-#
-# NOTE: quote the params if they contain globs.
-# also, error checking is not that extensive ...
-#
-dolisting() {
- local x
- local y
- local tmpstr
- local mylist
- local mypath="$*"
-
- if [ "${mypath%/\*}" != "${mypath}" ]
- then
- mypath="${mypath%/\*}"
- fi
-
- for x in ${mypath}
- do
- [ ! -e "${x}" ] && continue
-
- if [ ! -d "${x}" ] && ( [ -L "${x}" ] || [ -f "${x}" ] )
- then
- mylist="${mylist} $(ls "${x}" 2> /dev/null)"
- else
- [ "${x%/}" != "${x}" ] && x="${x%/}"
-
- cd "${x}"; tmpstr="$(ls)"
-
- for y in ${tmpstr}
- do
- mylist="${mylist} ${x}/${y}"
- done
- fi
- done
-
- printf "${mylist}\n"
-}
-
-# char *add_suffix(char * configfile)
-#
-# Returns a config file name with the softlevel suffix
-# appended to it. For use with multi-config services.
-add_suffix() {
- if [ "${RC_USE_CONFIG_PROFILE}" = "yes" -a -e "$1.${DEFAULTLEVEL}" ]
- then
- printf "$1.${DEFAULTLEVEL}\n"
- else
- printf "$1\n"
- fi
-
- return 0
-}
-
-# Network filesystems list for common use in rc-scripts.
-# This variable is used in is_net_fs and other places such as
-# localmount.
-NET_FS_LIST="afs cifs coda gfs ncpfs nfs nfs4 shfs smbfs"
-
-# bool is_net_fs(path)
-#
-# return 0 if path is the mountpoint of a networked filesystem
-#
-# EXAMPLE: if is_net_fs / ; then ...
-#
-is_net_fs() {
- local fstype
- # /proc/mounts is always accurate but may not always be available
- if [ -e /proc/mounts ]; then
- fstype="$( sed -n -e '/^rootfs/!s:.* '"$1"' \([^ ]*\).*:\1:p' /proc/mounts )"
- else
- fstype="$( mount | sed -n -e 's:.* on '"$1"' type \([^ ]*\).*:\1:p' )"
- fi
- case " ${NET_FS_LIST} " in
- *" ${fstype} "*)
- return 0
- ;;
- *)
- return 1
- ;;
- esac
-}
-
-# bool is_uml_sys()
-#
-# return 0 if the currently running system is User Mode Linux
-#
-# EXAMPLE: if is_uml_sys ; then ...
-#
-is_uml_sys() {
- grep -qs 'UML' /proc/cpuinfo
- return $?
-}
-
-# bool is_vserver_sys()
-#
-# return 0 if the currently running system is a Linux VServer
-#
-# EXAMPLE: if is_vserver_sys ; then ...
-#
-is_vserver_sys() {
- grep -qs '^s_context:[[:space:]]*[1-9]' /proc/self/status
- return $?
-}