Package: gawk
Version: 1:3.1.5.dfsg-4
Severity: important
-- System Information:
Debian Release: 4.0
APT prefers etch
APT policy: (500, 'etch'), (90, 'etch-proposed-updates')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages gawk depends on:
ii libc6 2.3.6.ds1-13 GNU C Library: Shared libraries
gawk recommends no packages.
-- no debconf information
How to reproduce the error:
(
for r in '$' 'x*' 'x*$' 'x+$'
do
for s in '' ab abc abx
do
for i in 1 2; do echo "$r" "$s"; done
done
done
) | gawk '{ print "/" $1 "/ matches the string <" $2 "> at position "
match($2,$1); }' | pr -t -n' 2'
1 /$/ matches the string <> at position -1208945415
2 /$/ matches the string <> at position 134852921
3 /$/ matches the string <ab> at position 17
4 /$/ matches the string <ab> at position 17
5 /$/ matches the string <abc> at position 66
6 /$/ matches the string <abc> at position 66
7 /$/ matches the string <abx> at position 66
8 /$/ matches the string <abx> at position 66
9 /x*/ matches the string <> at position 1
10 /x*/ matches the string <> at position 134852921
11 /x*/ matches the string <ab> at position 1
12 /x*/ matches the string <ab> at position 1
13 /x*/ matches the string <abc> at position 1
14 /x*/ matches the string <abc> at position 1
15 /x*/ matches the string <abx> at position 1
16 /x*/ matches the string <abx> at position 1
17 /x*$/ matches the string <> at position 1
18 /x*$/ matches the string <> at position 134854177
19 /x*$/ matches the string <ab> at position 3
20 /x*$/ matches the string <ab> at position 3
21 /x*$/ matches the string <abc> at position 66
22 /x*$/ matches the string <abc> at position 66
23 /x*$/ matches the string <abx> at position 3
24 /x*$/ matches the string <abx> at position 3
25 /x+$/ matches the string <> at position 0
26 /x+$/ matches the string <> at position 0
27 /x+$/ matches the string <ab> at position 0
28 /x+$/ matches the string <ab> at position 0
29 /x+$/ matches the string <abc> at position 0
30 /x+$/ matches the string <abc> at position 0
31 /x+$/ matches the string <abx> at position 3
32 /x+$/ matches the string <abx> at position 3
Note, that each combination of a regular expression and a string
is tested twice, to demonstrate some randomness in the
calculation.
Wrong position values occur in the following output lines:
line# expected returned
position position
1 1 -1208945415
2 1 134852921
3 3 17
4 3 17
5 4 66
6 4 66
7 4 66
8 4 66
10 1 134852921 Why is line #9 right?
18 1 134854177 Why is line #17 right?
21 4 66
22 4 66
Note that all examples with regular expression /x+$/ are right.
Maybe this bug is related to #385869?
Regards, Friedhelm.
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