#!/bin/sh

# These would fail (i.e., match erroneously) prior to grep-2.11.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

xp1=4294967297 # 2^32+1

xp2=4294967298 # 2^32+2

fail=0

# Before grep-2.11, when DFA-matching, a repetition count exceeding the

# range of "unsigned int" would silently wrap around.   Hence, 2^32+1

# would be treated just like "1", and both of these would mistakenly match.

echo abc  | returns_ 2 grep -E "b{$xp1}"   > out 2> /dev/null || fail=1

compare /dev/null out || fail=1

echo abbc | returns_ 2 grep -E "b{1,$xp2}" > out 2> /dev/null || fail=1

compare /dev/null out || fail=1

Exit $fail