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