#!/bin/sh
#
# For QA ... 
#

if grep '155.0.17.0	pcpqa-4-00.sgi.com' /etc/hosts >/dev/null
then
    # already done
    exit 0
fi

tmp=/var/tmp/$$
trap "rm -f $tmp; exit 0" 0 1 2 3 15

awk </dev/null >$tmp '
BEGIN	{
		print ""
		print "# bogus entries for PCP QA, added by qa/src/fixhosts"
		print "#"
		print "# ipv4"
		# see chkacc1.c or chkacc2.c for why this makes sense
		for (host = 0; host < 32; host++)
		    printf "155.%d.%d.%d	pcpqa-4-%02d.sgi.com\n", host*3, 17+host, host, host
		#print "# ipv6"
		#for (host = 0; host < 32; host++)
		    #printf "fec0::%x:%x:%x:%x:%x:%x	pcpqa-6-%02d.sgi.com\n", host*3, 17+host, host, host*3, 17+host, host, host
		# this lot from chkacc3.c
		a[0] = 0; a[1] = 37; a[2] = 235; a[3] = 126
		b[0] = 0; b[1] = 201; b[2] = 77; b[3] = 127
		c[0] = 0; c[1] = 15; c[2] = 191; c[3] = 64
		d[0] = 0; d[1] = 1; d[2] = 127; d[3] = 254
		host = 0
		for (i = 0; i < 4; i++) {
		    for (j = 0; j < 4; j++) {
			for (k = 0; k < 4; k++) {
			    for (l = 0; l < 4; l++) {
				printf "%d.%d.%d.%d	pcpqa-%03d.sgi.com\n", a[i], b[j], c[k], d[l], host
				host++
			    }
			}
		    }
		}
	}'

sudo sh -c "cat $tmp >>/etc/hosts"