From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [IPv6:2001:67c:2050::465:202]) by sourceware.org (Postfix) with ESMTPS id 5D627393D000 for ; Fri, 30 Jul 2021 11:01:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5D627393D000 Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:105:465:1:2:0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-202.mailbox.org (Postfix) with ESMTPS id 4Gbkwh2ZYFzQk8f; Fri, 30 Jul 2021 13:01:24 +0200 (CEST) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp2.mailbox.org ([80.241.60.241]) by spamfilter06.heinlein-hosting.de (spamfilter06.heinlein-hosting.de [80.241.56.125]) (amavisd-new, port 10030) with ESMTP id dXp14ZDUqo9Z; Fri, 30 Jul 2021 13:01:21 +0200 (CEST) From: Iain Buclaw To: gcc-patches@gcc.gnu.org Subject: [committed 03/12] d: Insert null terminator in obstack buffers Date: Fri, 30 Jul 2021 13:01:02 +0200 Message-Id: <20210730110111.569140-3-ibuclaw@gdcproject.org> In-Reply-To: <20210730110111.569140-1-ibuclaw@gdcproject.org> References: <20210730110111.569140-1-ibuclaw@gdcproject.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 9975B1849 X-Rspamd-UID: 9e604e X-Spam-Status: No, score=-15.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jul 2021 11:01:26 -0000 Covers cases where functions that handle the extracted strings ignore the explicit length. This isn't something that's known to happen in the current front-end, but the self-hosted front-end has been observed to do this in its conversions between D and C-style strings. gcc/d/ChangeLog: * d-lang.cc (deps_add_target): Insert null terminator in buffer. (deps_write): Likewise. (d_parse_file): Likewise. --- gcc/d/d-lang.cc | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/d/d-lang.cc b/gcc/d/d-lang.cc index ac0945b1f34..4386a489ff2 100644 --- a/gcc/d/d-lang.cc +++ b/gcc/d/d-lang.cc @@ -108,7 +108,7 @@ deps_add_target (const char *target, bool quoted) if (!quoted) { - obstack_grow (&buffer, target, strlen (target)); + obstack_grow0 (&buffer, target, strlen (target)); d_option.deps_target.safe_push ((const char *) obstack_finish (&buffer)); return; } @@ -149,6 +149,7 @@ deps_add_target (const char *target, bool quoted) obstack_1grow (&buffer, *p); } + obstack_1grow (&buffer, '\0'); d_option.deps_target.safe_push ((const char *) obstack_finish (&buffer)); } @@ -278,6 +279,8 @@ deps_write (Module *module, obstack *buffer) obstack_grow (buffer, str, strlen (str)); obstack_grow (buffer, ":\n", 2); } + + obstack_1grow (buffer, '\0'); } /* Implements the lang_hooks.init_options routine for language D. @@ -884,6 +887,7 @@ d_parse_file (void) obstack_grow (&buffer, str, strlen (str)); } + obstack_1grow (&buffer, '\0'); message ("%s", (char *) obstack_finish (&buffer)); } } -- 2.30.2