|
Last change
on this file was 3529, checked in by bird, 3 years ago |
|
Imported grep 3.7 from grep-3.7.tar.gz (sha256: c22b0cf2d4f6bbe599c902387e8058990e1eee99aef333a203829e5fd3dbb342), applying minimal auto-props.
|
-
Property svn:executable
set to
*
|
|
File size:
618 bytes
|
| Line | |
|---|
| 1 | #!/bin/sh
|
|---|
| 2 | # These would fail (i.e., match erroneously) prior to grep-2.11.
|
|---|
| 3 | . "${srcdir=.}/init.sh"; path_prepend_ ../src
|
|---|
| 4 |
|
|---|
| 5 | xp1=4294967297 # 2^32+1
|
|---|
| 6 | xp2=4294967298 # 2^32+2
|
|---|
| 7 |
|
|---|
| 8 | fail=0
|
|---|
| 9 |
|
|---|
| 10 | # Before grep-2.11, when DFA-matching, a repetition count exceeding the
|
|---|
| 11 | # range of "unsigned int" would silently wrap around. Hence, 2^32+1
|
|---|
| 12 | # would be treated just like "1", and both of these would mistakenly match.
|
|---|
| 13 |
|
|---|
| 14 | echo abc | returns_ 2 grep -E "b{$xp1}" > out 2> /dev/null || fail=1
|
|---|
| 15 | compare /dev/null out || fail=1
|
|---|
| 16 | echo abbc | returns_ 2 grep -E "b{1,$xp2}" > out 2> /dev/null || fail=1
|
|---|
| 17 | compare /dev/null out || fail=1
|
|---|
| 18 |
|
|---|
| 19 | Exit $fail
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
