Date: Wed, 10 Aug 2005 20:25:34 +1000 (EST)
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: FreeBSD-gnats-submit@FreeBSD.org
Subject: bin/84740: regcomp("\254") fails
Message-ID: <200508101025.j7AAPY3p038596@server.vk2pj.dyndns.org>
Resent-Message-ID: <200508101030.j7AAUJkY097439@freefall.freebsd.org>
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>Number: 84740
>Category: bin
>Synopsis: regcomp("\254") fails
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Aug 10 10:30:18 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator: Peter Jeremy
>Release: FreeBSD 7.0-CURRENT i386
>Organization:
n/a
>Environment:
System: FreeBSD server.vk2pj.dyndns.org 7.0-CURRENT FreeBSD 7.0-CURRENT #1: Mon Aug 8 18:22:06 EST 2005 root@server.vk2pj.dyndns.org:/home/obj/k7/usr/src/sys/server i386
>Description:
regcomp(3) fails to compile the string "\376" as an extended RE
(but does handle it as a BRE) and reports "empty (sub)expression".
This works correctly on 4.9 but fails on 5.3 and a recent -CURRENT.
>How-To-Repeat:
#include <sys/types.h>
#include <regex.h>
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char **argv)
{
char buf[1024];
int r;
regex_t rx;
r = regcomp(&rx, "\376", REG_EXTENDED);
if (r != 0) {
regerror(r, &rx, buf, sizeof(buf));
printf("%s\n", buf);
}
exit(0);
}
>Fix:
Unknown
>Release-Note:
>Audit-Trail:
>Unformatted:
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