#!/bin/sh
#
-# $PostgreSQL: pgsql/src/bin/ipcclean/ipcclean.sh,v 1.17 2006/03/03 16:49:21 momjian Exp $
+# $PostgreSQL: pgsql/src/bin/ipcclean/ipcclean.sh,v 1.18 2006/03/03 21:52:37 momjian Exp $
#
CMDNAME=`basename $0`
exit 0
fi
-# only check $LOGNAME if $USER is not set
-if [ "$USER" = 'root' -o \( ! "$USER" -a "$LOGNAME" = 'root' \) ]
+# test for running as root
+
+ISROOT="N"
+if id -u >/dev/null 2>&1
+then if [ `id -u` -eq 0 ]
+ then ISROOT="Y"
+ fi
+elif # only check $LOGNAME if $USER is not set
+ [ "$USER" = 'root' -o \( ! "$USER" -a "$LOGNAME" = 'root' \) ]
+then ISROOT="Y"
+fi
+
+if [ "$ISROOT" = "Y" ]
then
(
echo "$CMDNAME: cannot be run as root" 1>&2