patches/glibc/2.9/150-regex-BZ697.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 24 19:35:24 2011 +0200 (2011-07-24)
changeset 2900 369e2fbe9010
parent 1201 c9967a6e3b25
permissions -rw-r--r--
cc-gcc: the frontends are responsible for mkdir/chdir

The build dir are created depending on the host (host for that specific
backend, not host for the toolchain). Only the frontends know what host
this is, so only the frontends can create non-ambiguous dirs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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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;