patches/glibc/2.9/150-regex-BZ697.patch
author Johannes Stezenbach <js@sig21.net>
Tue Oct 30 00:36:20 2012 +0000 (2012-10-30)
changeset 3096 d1766c2273d1
parent 1201 c9967a6e3b25
permissions -rw-r--r--
scripts/functions: use patch -i instead of IO redirection

This makes the patch name show up on the command line
logged by CT_DoExecLog so it's easier to see
what is going on. The -i for patch is specified
by Posix and supported by GNU patch and busybox patch.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[yann.morin.1998@free.fr: remove now-useless debug message]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <20121030103620.GB8303@sig21.net>
Patchwork-Id: 195418
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Original patch from: gentoo/src/patchsets/glibc/2.9/0053_all_glibc-2.9-regex-BZ697.patch
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-= BEGIN original header =-
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http://sourceware.org/ml/libc-alpha/2009-01/msg00006.html
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From 37bdc055ceeb6b1144c07448a7210d9ab3fbb2f5 Mon Sep 17 00:00:00 2001
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From: Ulrich Drepper <drepper@redhat.com>
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Date: Thu, 8 Jan 2009 00:47:05 +0000
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Subject: [PATCH] (prune_impossible_nodes): Handle sifted_states[0] being NULL also if
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 there are no backreferences.
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-= END original header =-
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diff -durN glibc-2_9.orig/posix/regexec.c glibc-2_9/posix/regexec.c
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--- glibc-2_9.orig/posix/regexec.c	2007-10-12 19:47:13.000000000 +0200
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+++ glibc-2_9/posix/regexec.c	2009-02-02 22:00:43.000000000 +0100
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@@ -1004,6 +1004,11 @@
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       re_node_set_free (&sctx.limits);
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       if (BE (ret != REG_NOERROR, 0))
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 	goto free_return;
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+      if (sifted_states[0] == NULL)
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+	{
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+	  ret = REG_NOMATCH;
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+	  goto free_return;
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+	}
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     }
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   re_free (mctx->state_log);
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   mctx->state_log = sifted_states;