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Diffstat (limited to 'test/nasty.awk')
| -rw-r--r-- | test/nasty.awk | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/nasty.awk b/test/nasty.awk new file mode 100644 index 00000000..b9c20c8b --- /dev/null +++ b/test/nasty.awk @@ -0,0 +1,92 @@ +#From hankedr@manatee.dms.auburn.edu Tue Oct 13 22:15:59 1998 +#Return-Path: <hankedr@manatee.dms.auburn.edu> +#Received: from cssun.mathcs.emory.edu (cssun.mathcs.emory.edu [170.140.150.1]) +# by dmx.netvision.net.il (8.9.0.Beta5/8.8.6) with ESMTP id PAA03924 +# for <arobbins@netvision.net.il>; Tue, 13 Oct 1998 15:32:13 +0200 (IST) +#Received: from mescaline.gnu.org (we-refuse-to-spy-on-our-users@mescaline.gnu.org [158.121.106.21]) by cssun.mathcs.emory.edu (8.7.5/8.6.9-940818.01cssun) with ESMTP id KAA11644 for <arnold@mathcs.emory.edu>; Tue, 13 Oct 1998 10:22:32 -0400 (EDT) +#Received: from manatee.dms.auburn.edu (manatee.dms.auburn.edu [131.204.53.104]) +# by mescaline.gnu.org (8.9.1a/8.9.1) with ESMTP id KAA03250 +# for <arnold@gnu.org>; Tue, 13 Oct 1998 10:25:32 -0400 +#Received: (from hankedr@localhost) +# by manatee.dms.auburn.edu (8.9.1a/8.9.1) id JAA13348; +# Tue, 13 Oct 1998 09:22:29 -0500 (CDT) +#Date: Tue, 13 Oct 1998 09:22:29 -0500 (CDT) +#Message-Id: <199810131422.JAA13348@manatee.dms.auburn.edu> +#From: Darrel Hankerson <hankedr@dms.auburn.edu> +#To: arnold@gnu.org +#In-reply-to: <199810131313.QAA31784@alpha.netvision.net.il> (message from +# Aharon Robbins on Tue, 13 Oct 1998 16:10:36 +0200) +#Subject: Re: full text of bug report? +#Mime-Version: 1.0 +#Content-Type: text/plain; charset=US-ASCII +#X-UIDL: bf3fce492dad4ab030c561e7b2f27d0a +#Status: RO +# +# Do you have the full text of the a = a "\n" f() bug report? +# I can't find it.... I'm not sure there really is a bug. +# +#Yes, see below. +# +#His example has unnecessary fragments (in particular, the use of +#gensub is irrelevant). As I wrote to you earlier, the interesting +#question for me is: +# +# Is the concatenation result undefined? If the result is defined or +# implementation-dependent, then gawk has a bug. +# +# +#=== Original report ===================================================== +#From: Attila Torcsvari <arcdev@mail.matav.hu> +#To: "'bug-gnu-utils@prep.ai.mit.edu'" <bug-gnu-utils@gnu.org> +#Subject: gawk 3.0.3 bug +#Date: Thu, 17 Sep 1998 18:12:13 +0200 +#MIME-Version: 1.0 +#Content-Transfer-Encoding: 7bit +#Resent-From: bug-gnu-utils@gnu.org +#X-Mailing-List: <bug-gnu-utils@gnu.org> archive/latest/3396 +#X-Loop: bug-gnu-utils@gnu.org +#Precedence: list +#Resent-Sender: bug-gnu-utils-request@gnu.org +#Content-Transfer-Encoding: 7bit +#Content-Type: text/plain; charset="us-ascii" +#Content-Length: 618 +# +#Bug-gnuers, +#please pass it to the responsible. +# +#The following generates something interesting: +# +BEGIN{ +a="aaaaa" +a=a a #10 +a=a a #20 +a=a a #40 +a=a a #80 +a=a a #160 +a=a a # i.e. a is long enough + +a=a"\n"f() # this causes the trouble +print a # guess the result +} + +function f() +{ +#print "a before: ", a +#a=gensub("a","123,","g",a) # 'a' will be just a bit longer (4 times, but still should fit: 4*160=640) +gsub(/a/, "123", a) +#print "a after: ", a +return "X" +} +# +#Possible reason: +#during f the a is modified, +#it can be even freed, because gensub modifies its size +#the printout contains trash. +# +#Used version: VC compiled WinNT 32 bit Intel. +# +#Regards, +# +#Attila Torcsvari +#Arcanum Development +# |