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Date: Thu, 07 Oct 2004 11:00:00 -0000
From: "jakub at redhat dot com" <sourceware-bugzilla@sources.redhat.com>
To: glibc-bugs-regex@sources.redhat.com
Message-ID: <20041007110031.429.jakub@redhat.com>
Reply-To: sourceware-bugzilla@sources.redhat.com
Subject: [Bug regex/429] New: regex hangs on backreferences
X-Bugzilla-Reason: CC
X-SW-Source: 2004-10/txt/msg00000.txt.bz2
List-Id: <glibc-bugs-regex.sourceware.org>

Just so that it isn't forgotten.
bug-regex11.c still has a few tests commented out that hang glibc regexec. E.g.

#include <regex.h>
#include <stdio.h>

int main ()
{
  regex_t rbuf;
  const char *p;
  int err;
  p = "^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?"
      "\\9\\8\\7\\6\\5\\4\\3\\2\\1$";
  if ((err = regcomp  (&rbuf, p, REG_NOSUB | REG_EXTENDED))) {
    char errstr[300];
    regerror (err, &rbuf, errstr, sizeof (errstr));
    puts (errstr);
    return err;
  }
  return regexec (&rbuf, "civic", 0, NULL, 0);
}

takes really too long.

-- 
           Summary: regex hangs on backreferences
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: regex
        AssignedTo: gotom at debian dot or dot jp
        ReportedBy: jakub at redhat dot com
                CC: glibc-bugs-regex at sources dot redhat dot com,glibc-
                    bugs at sources dot redhat dot com


http://sources.redhat.com/bugzilla/show_bug.cgi?id=429

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