| Original patch from: gentoo/src/patchsets/glibc/2.9/0053_all_glibc-2.9-regex-BZ697.patch |
| |
| -= BEGIN original header =- |
| http://sourceware.org/ml/libc-alpha/2009-01/msg00006.html |
| |
| From 37bdc055ceeb6b1144c07448a7210d9ab3fbb2f5 Mon Sep 17 00:00:00 2001 |
| From: Ulrich Drepper <drepper@redhat.com> |
| Date: Thu, 8 Jan 2009 00:47:05 +0000 |
| Subject: [PATCH] (prune_impossible_nodes): Handle sifted_states[0] being NULL also if |
| there are no backreferences. |
| |
| -= END original header =- |
| |
| diff -durN glibc-2_9.orig/posix/regexec.c glibc-2_9/posix/regexec.c |
| --- glibc-2_9.orig/posix/regexec.c 2007-10-12 19:47:13.000000000 +0200 |
| +++ glibc-2_9/posix/regexec.c 2009-02-02 22:00:43.000000000 +0100 |
| @@ -1004,6 +1004,11 @@ |
| re_node_set_free (&sctx.limits); |
| if (BE (ret != REG_NOERROR, 0)) |
| goto free_return; |
| + if (sifted_states[0] == NULL) |
| + { |
| + ret = REG_NOMATCH; |
| + goto free_return; |
| + } |
| } |
| re_free (mctx->state_log); |
| mctx->state_log = sifted_states; |