From patchwork Thu Feb 17 16:28:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 51186 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0F545385AC21 for ; Thu, 17 Feb 2022 16:28:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0F545385AC21 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1645115335; bh=gYK3n8eYlJJJZp6sPu1MG8o/e5U1+iUH1OSkIBZg84s=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=vtZs/drHJHlWIea1Xg5B9L9bxrwpcRj72WzX6KQuZxFJiYTcsGfkzmWiwNvPKErlc G8mgHmTNydw861Xyjc5eQU3XfAuoZ7OCxGA5XQqt8/WiM1WheBbblqCeGvEmZCAsIb NyNOJ4tBIPFTn9oj/8m+9c9AqUfnDnj1/tbayPBE= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by sourceware.org (Postfix) with ESMTPS id EB3FF3858D20 for ; Thu, 17 Feb 2022 16:28:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org EB3FF3858D20 Received: by mail-pj1-x1035.google.com with SMTP id t4-20020a17090a510400b001b8c4a6cd5dso5884943pjh.5 for ; Thu, 17 Feb 2022 08:28:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gYK3n8eYlJJJZp6sPu1MG8o/e5U1+iUH1OSkIBZg84s=; b=2kUo2iRvZZ4pE8WPWXeD5MrieWhOrin8SPB1nVVO/bDV4cw15QXmFzlLbMtp/b73bi +omhszcbrwVH9iDyNP9s9Ay8HwXm8PiDMC5Wy5H1v99qD+5iN94o/t1BX+IOnHDQmgm8 45aSaIVBq7eCbQlJ2Il8B1IFKwVvUB+D3AQnNjvQgZbMOc6UIkevJzCH+XksMEaMW8I8 CV/w+tTJkHMsql/zyyEmDzAY+8Tgc4McavDEX+xctO+iH20ov6N4oG0A/xSspLWd/02N AvRxq5v+0hKaTTBqBCoFuoDeax4cpIHK56D+IsczhcOtq5ll+inj1eS1pv7aZ0meV48+ 4Byw== X-Gm-Message-State: AOAM531R4/Kyh+P4fVfBeJJFO49LfyL+TBtzB8ljnUj4FHJbWbo19LmE cYwxeSR6/QVo40/qDwhvdaMGCuWYCGU= X-Google-Smtp-Source: ABdhPJx/3DT5qZEin3Zqi4jkxvoNx2eupSYmbEFYRyzrokGbjm2+wT7o7ov6kreW427VD4okKPxi3w== X-Received: by 2002:a17:902:c403:b0:14d:d430:a84a with SMTP id k3-20020a170902c40300b0014dd430a84amr3578970plk.54.1645115312976; Thu, 17 Feb 2022 08:28:32 -0800 (PST) Received: from gnu-tgl-3.localdomain ([172.58.38.240]) by smtp.gmail.com with ESMTPSA id 10sm112253pfm.56.2022.02.17.08.28.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Feb 2022 08:28:32 -0800 (PST) Received: from gnu-tgl-3.. (localhost [IPv6:::1]) by gnu-tgl-3.localdomain (Postfix) with ESMTP id 6E38DC03B4; Thu, 17 Feb 2022 08:28:31 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755] Date: Thu, 17 Feb 2022 08:28:31 -0800 Message-Id: <20220217162831.417972-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Spam-Status: No, score=-3029.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Libc-alpha" From: "H.J. Lu" Reply-To: "H.J. Lu" Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Verify that wcsncmp (L"abc", L"abd", SIZE_MAX) == 0. The new test fails without commit ddf0992cf57a93200e0c782e2a94d0733a5a0b87 Author: Noah Goldstein Date: Sun Jan 9 16:02:21 2022 -0600 x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755] and commit 7e08db3359c86c94918feb33a1182cd0ff3bb10b Author: Noah Goldstein Date: Sun Jan 9 16:02:28 2022 -0600 x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755] This is for BZ #28755. Reviewed-by: Sunil K Pandey --- string/test-strncmp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/string/test-strncmp.c b/string/test-strncmp.c index df7cea4068..1a87f0e73e 100644 --- a/string/test-strncmp.c +++ b/string/test-strncmp.c @@ -445,6 +445,18 @@ check4 (void) check_result (impl, s1, s2, size, exp_result); } +static void +check5 (void) +{ + const CHAR *s1 = L ("abc"); + CHAR *s2 = STRDUP (s1); + + FOR_EACH_IMPL (impl, 0) + check_result (impl, s1, s2, SIZE_MAX, 0); + + free (s2); +} + static void check_overflow (void) { @@ -569,6 +581,7 @@ test_main (void) check2 (); check3 (); check4 (); + check5 (); printf ("%23s", ""); FOR_EACH_IMPL (impl, 0)