| Denis Vlasenko | d21f596 | 2007-10-05 15:27:03 +0000 | [diff] [blame] | 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 | |
| 6 | i=$PID |
| 7 | c=0 |
| 8 | while true; do |
| 9 | c=$((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 |
| 23 | done | ../busybox gunzip -c >/dev/null |