blob: 29d29ec92b2a051ea4ee6852d06b183685482570 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
#!/bin/sh
# Ensure that grep can handle lines 2GiB long.
# Before grep-2.16, a line of length 2^31 or greater would provoke
# an "Invalid argument" (EINVAL) failure from the read syscall on
# systems like OS/X 10.8.5.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
# Searching 2GiB takes a while.
expensive_
echo big > exp || framework_failure_
MiB=1048576
dd bs=$MiB seek=2048 of=big < /dev/null || framework_failure_
echo x >> big || framework_failure_
grep -l x big > out 2> err || fail=1
# Not everyone has 2GB of memory free.
grep '^grep: memory exhausted$' err && skip_ 'memory exhausted'
compare exp out || fail=1
compare /dev/null err || fail=1
Exit $fail
|