diff options
Diffstat (limited to 'test/uninit5.awk')
| -rw-r--r-- | test/uninit5.awk | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/test/uninit5.awk b/test/uninit5.awk new file mode 100644 index 00000000..e63abe11 --- /dev/null +++ b/test/uninit5.awk @@ -0,0 +1,111 @@ +#From gregfjohnson@yahoo.com Sun Aug 30 08:36:36 2009 +#Return-Path: <gregfjohnson@yahoo.com> +#Received: from aahz (localhost [127.0.0.1]) +# by skeeve.com (8.14.1/8.14.1) with ESMTP id n7U5WoJ2003836 +# for <arnold@localhost>; Sun, 30 Aug 2009 08:36:36 +0300 +#X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on server1.f7.net +#X-Spam-Level: +#X-Spam-Status: No, score=-6.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED +# autolearn=ham version=3.2.4 +#X-Envelope-From: gregfjohnson@yahoo.com +#X-Envelope-To: <arnold@skeeve.com> +#Received: from server1.f7.net [64.34.169.74] +# by aahz with IMAP (fetchmail-6.3.7) +# for <arnold@localhost> (single-drop); Sun, 30 Aug 2009 08:36:36 +0300 (IDT) +#Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) +# by f7.net (8.11.7-20030920/8.11.7) with ESMTP id n7U33m709453 +# for <arnold@skeeve.com>; Sat, 29 Aug 2009 22:03:48 -0500 +#Received: from mail.gnu.org ([199.232.76.166]:42095 helo=mx10.gnu.org) +# by fencepost.gnu.org with esmtp (Exim 4.67) +# (envelope-from <gregfjohnson@yahoo.com>) +# id 1Mhai6-0004Qt-3R +# for bug-gawk@gnu.org; Sat, 29 Aug 2009 23:04:06 -0400 +#Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) +# (envelope-from <gregfjohnson@yahoo.com>) +# id 1Mhai5-00062I-EM +# for bug-gawk@gnu.org; Sat, 29 Aug 2009 23:04:05 -0400 +#Received: from web33507.mail.mud.yahoo.com ([68.142.206.156]:28597) +# by monty-python.gnu.org with smtp (Exim 4.60) +# (envelope-from <gregfjohnson@yahoo.com>) +# id 1Mhai5-00061w-2n +# for bug-gawk@gnu.org; Sat, 29 Aug 2009 23:04:05 -0400 +#Received: (qmail 68722 invoked by uid 60001); 30 Aug 2009 03:04:03 -0000 +#DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1251601443; bh=9h2ZOOgxUh+s8Ow5/ZMWUxcviy2L4rpiaNamPAXxhEk=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=tWxCQq/aTOT5lhtdPc5hxtXzOjDFmLU6Ao0BSlwbeeBsd9Wl6DU3JCR4gTkoL0aVUOTdjMjgRY7I72yCht+YruDiqZrvtSKvUoAvZAKcPG26RE4jzxUlxQklEHZG9mq9h2gpTIiLYehYDiC0975wukwi/e7ePADfkFwg8eTnT44= +#DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; +# s=s1024; d=yahoo.com; +# h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; +# b=LWfhVgxojFG1eYoRrxtrS3YOfH3MTUVTYZle/4utMQEPZQfsmrn6GBwBfThryGqJyZfg38/7JfK9cz/Q3Yt+mf8+xl9/m+Srckc+Xvi42CE0OmoN439vCyhAD8A74XOJsmfKDjJ/+LtioShStUohj1iYDDmRTN4RnnP9X4xnt3c=; +#Message-ID: <410222.68490.qm@web33507.mail.mud.yahoo.com> +#X-YMail-OSG: mfjax.MVM1lI2q5gcl6bChbn6zHgNgj1fByHWJSzB8ZZUmI2QCH6pNwV_IaHxcqecu.VqjKUR6HQhXbziUnX.v5E2nOE61ass9AzqfdVOtKTEAzTPQJ8Z7QB7fq7BMtjn8yohDR6mwOyVTqv3RZh0m1Us7sLit6UmcgeSvJo2rROAmeceq.FBwk2XnEp2_QsljjPHak_WXyvtAK81klDv5qQORWQWqR9q79x7yxORL6fLWwb_x6mZZMSOUaA0p8.ucT453eqT1L8NGkthF.fXmOM3_EYd03zUgr9Sb.zvMvbDC3MCMnVr0JT1uroLmFtVIdTojrFJYFQEDFSB9zT3Ua80ZpGXrjQGx3rZw-- +#Received: from [71.165.246.171] by web33507.mail.mud.yahoo.com via HTTP; Sat, 29 Aug 2009 20:04:03 PDT +#X-Mailer: YahooMailClassic/6.1.2 YahooMailWebService/0.7.338.2 +#Date: Sat, 29 Aug 2009 20:04:03 -0700 (PDT) +#From: Greg Johnson <gregfjohnson@yahoo.com> +#Subject: bugs in passing uninitialized array to a function +#To: bug-gawk@gnu.org +#MIME-Version: 1.0 +#Content-Type: multipart/mixed; boundary="0-1690489838-1251601443=:68490" +#X-detected-operating-system: by monty-python.gnu.org: FreeBSD 6.x (1) +#Status: RO +# +#--0-1690489838-1251601443=:68490 +#Content-Type: text/plain; charset=us-ascii +# +#I am using gawk version 3.1.7. +# +#The attached programs illustrate what look to me like two bugs +#in the handling of uninitialized variables to functions that treat +#them as arrays. +# +#Greg Johnson +# +# +# +#--0-1690489838-1251601443=:68490 +#Content-Type: application/octet-stream; name=b1 +#Content-Transfer-Encoding: base64 +#Content-Disposition: attachment; filename="b1" + +# bug? on uninitialized array, length(a) prints as 3, then the loop +# behaves differently, iterating once. so, length() behaves differently +# on two calls to the same variable, which was not changed. + +function prt1(a, len) +{ + print "length: " length(a) + + for (i = 1; i <= length(a); i++) + printf "<" i "," a[i] "> " + + print "\n" +} + +BEGIN { + prt1(zzz) +} + +#--0-1690489838-1251601443=:68490 +#Content-Type: application/octet-stream; name=b2 +#Content-Transfer-Encoding: base64 +#Content-Disposition: attachment; filename="b2" + +# shouldn't an uninitialized array have length zero? +# length is printed as 1, and the loop iterates once. + +function prt(a, len) +{ + len = length(a) + print "length: " len + + for (i = 1; i <= len; i++) + printf "<" i "," a[i] "> " + + print "\n" +} + +BEGIN { + prt(zzz) +} + +#--0-1690489838-1251601443=:68490-- + |