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patches/glibc/2.9/150-regex-BZ697.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jan 17 23:06:02 2010 +0100 (2010-01-17)
changeset 1740 c57458bb354d
parent 1201 c9967a6e3b25
permissions -rw-r--r--
configure: do not require hg when configuring in an hg clone

When configuring in an hg clone, we need hg to compute the version string.
It can happen that users do not have Mercurial (eg. if they got a snapshot
rather that they did a full clone). In this case, we can still run, of
course, so simply fill the version string with a sufficiently explicit
value, that does not require hg. The date is a good candidate. 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/0053_all_glibc-2.9-regex-BZ697.patch

     2 

     3 -= BEGIN original header =-

     4 http://sourceware.org/ml/libc-alpha/2009-01/msg00006.html

     5 

     6 From 37bdc055ceeb6b1144c07448a7210d9ab3fbb2f5 Mon Sep 17 00:00:00 2001

     7 From: Ulrich Drepper <drepper@redhat.com>

     8 Date: Thu, 8 Jan 2009 00:47:05 +0000

     9 Subject: [PATCH] (prune_impossible_nodes): Handle sifted_states[0] being NULL also if

    10  there are no backreferences.

    11 

    12 -= END original header =-

    13 

    14 diff -durN glibc-2_9.orig/posix/regexec.c glibc-2_9/posix/regexec.c

    15 --- glibc-2_9.orig/posix/regexec.c	2007-10-12 19:47:13.000000000 +0200

    16 +++ glibc-2_9/posix/regexec.c	2009-02-02 22:00:43.000000000 +0100

    17 @@ -1004,6 +1004,11 @@

    18        re_node_set_free (&sctx.limits);

    19        if (BE (ret != REG_NOERROR, 0))

    20  	goto free_return;

    21 +      if (sifted_states[0] == NULL)

    22 +	{

    23 +	  ret = REG_NOMATCH;

    24 +	  goto free_return;

    25 +	}

    26      }

    27    re_free (mctx->state_log);

    28    mctx->state_log = sifted_states;
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