1#!/bin/sh 2# Leak test for gunzip. Watch top for growing process size. 3# In this case we look for leaks in "concatenated .gz" code - 4# we feed gunzip with a stream of .gz files. 5 6i=$PID 7c=0 8while true; do 9 c=$((c + 1)) 10 echo "Block# $c" >&2 11 # RANDOM is not very random on some shells. Spice it up. 12 i=$((i * 1664525 + 1013904223)) 13 # 100003 is prime 14 len=$(( (((RANDOM*RANDOM)^i) & 0x7ffffff) % 100003 )) 15 16 # Just using urandom will make gzip use method 0 (store) - 17 # not good for test coverage! 18 cat /dev/urandom \ 19 | while true; do read junk; echo "junk $c $i $junk"; done \ 20 | dd bs=$len count=1 2>/dev/null \ 21 | gzip >xxx.gz 22 cat xxx.gz xxx.gz xxx.gz xxx.gz xxx.gz xxx.gz xxx.gz xxx.gz 23done | ../busybox gunzip -c >/dev/null 24