From patchwork Sun Feb 19 18:51:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Willy Tarreau X-Patchwork-Id: 59201 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp965607wrn; Sun, 19 Feb 2023 10:53:20 -0800 (PST) X-Google-Smtp-Source: AK7set++6LFCjdxLn0NaZvuirDBHta1pbmTvQ3tl5gql2e/UPe1R+QtP+rVqWr8rCrQwgsEv9Hmj X-Received: by 2002:a17:90b:3ec7:b0:234:6f5b:2388 with SMTP id rm7-20020a17090b3ec700b002346f5b2388mr1664874pjb.44.1676832800469; Sun, 19 Feb 2023 10:53:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676832800; cv=none; d=google.com; s=arc-20160816; b=tdZBRUUdmCM5edPtopfnEezqlR6g7Nt/OUP9leCT7S7z3fvAkkm6A3/oGiJpoqlqpO B1pzl7tARilEY8NcJ2cLl/pNxU8q/6Bw6aXr9E4KtJ9koE/4wFYBSRBRweoyy5HOHB7k v7IoCHBa+zSlsVnFf3n1CJOeZz0CPe7OBHYVLajeLQ3Ys1ODOcu7bigxISBU3aWoEgJk mFzwJXol8zJtqKLlNfG44j2TzwB6e7GbTMaMRvAs8iO/iq1PToaj9WENc1py587KhUTf yVXvE6zHW9wLm+go7KPAWGfXZzdqrv7Y/fY1Vm8hhPTyz8+aVU0yE8Qf8FPdm9W6nrf4 rBuQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=bCJuAz+9NfW70tlJQkgEOk/eJ/5iu7FZCoyBlRuKQz4=; b=IOIy18zngdUxBzyb8/9Pcorl/6bMjtzmenCJECV50pcymPCo1Fhw4XKxXgCwK9VlWd jifrOD35+sN+yKH9PNtVWIPwfzAEaY8reLYibEzfhFJirpPb6qBJQSwNPZaHoiw+Yyq3 x3j4J1uyoELmWOJ7/4xEtRL0ejEzjD7eYKGB4TfwrQb/65lPeiHAr23dftEcWh91Ydo3 b586hWWVsUNATmIfsgWjepFxzydZSZFhMv7d7JSFbwsPFe78nkV/jCU4FDoKJapSnHw9 YDMFypwIGcE0qYh95y3vDZ0FLnsfdr0HB3jNA7F14TZeYIN46lWBI2VqAP8JGFVIoGjr dPhA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id gc15-20020a17090b310f00b00230ee7a7073si3255580pjb.87.2023.02.19.10.53.08; Sun, 19 Feb 2023 10:53:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230520AbjBSSv6 (ORCPT + 99 others); Sun, 19 Feb 2023 13:51:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231226AbjBSSvw (ORCPT ); Sun, 19 Feb 2023 13:51:52 -0500 Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9510E1449A for ; Sun, 19 Feb 2023 10:51:49 -0800 (PST) Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 31JIpijQ014625; Sun, 19 Feb 2023 19:51:44 +0100 From: Willy Tarreau To: Vincent Dagonneau Cc: linux-kernel@vger.kernel.org Subject: [RFC PATCH 4/4] tools/nolibc: add tests for the integer limits in stdint.h Date: Sun, 19 Feb 2023 19:51:33 +0100 Message-Id: <20230219185133.14576-5-w@1wt.eu> X-Mailer: git-send-email 2.17.5 In-Reply-To: <20230219185133.14576-1-w@1wt.eu> References: <20230219185133.14576-1-w@1wt.eu> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758286630412256748?= X-GMAIL-MSGID: =?utf-8?q?1758286630412256748?= From: Vincent Dagonneau This commit adds tests for the limits added in a previous commit. The limits are defined in decimal in stdint.h and as hexadecimal in the tests (e.g. 0x7f = 127 or 0x80 = -128). Hopefully it catches some o the most egregious mistakes. Signed-off-by: Vincent Dagonneau [wt: rely on the compiler-provided __SIZEOF_LONG__ to decide what values to expect, and detect its miss to avoid reporting false errors] Signed-off-by: Willy Tarreau --- tools/testing/selftests/nolibc/nolibc-test.c | 45 +++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 882140508d56..290249d6da30 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -561,7 +561,50 @@ int run_syscall(int min, int max) CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WNOHANG), -1, ECHILD); break; CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EBADF); break; CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break; - case __LINE__: + CASE_TEST(limit_int8_max); EXPECT_EQ(1, INT8_MAX, (int8_t) 0x7f); break; + CASE_TEST(limit_int8_min); EXPECT_EQ(1, INT8_MIN, (int8_t) 0x80); break; + CASE_TEST(limit_uint8_max); EXPECT_EQ(1, UINT8_MAX, (uint8_t) 0xff); break; + CASE_TEST(limit_int16_max); EXPECT_EQ(1, INT16_MAX, (int16_t) 0x7fff); break; + CASE_TEST(limit_int16_min); EXPECT_EQ(1, INT16_MIN, (int16_t) 0x8000); break; + CASE_TEST(limit_uint16_max); EXPECT_EQ(1, UINT16_MAX, (uint16_t) 0xffff); break; + CASE_TEST(limit_int32_max); EXPECT_EQ(1, INT32_MAX, (int32_t) 0x7fffffff); break; + CASE_TEST(limit_int32_min); EXPECT_EQ(1, INT32_MIN, (int32_t) 0x80000000); break; + CASE_TEST(limit_uint32_max); EXPECT_EQ(1, UINT32_MAX, (uint32_t) 0xffffffff); break; + CASE_TEST(limit_int64_max); EXPECT_EQ(1, INT64_MAX, (int64_t) 0x7fffffffffffffff); break; + CASE_TEST(limit_int64_min); EXPECT_EQ(1, INT64_MIN, (int64_t) 0x8000000000000000); break; + CASE_TEST(limit_uint64_max); EXPECT_EQ(1, UINT64_MAX, (uint64_t) 0xffffffffffffffff); break; + CASE_TEST(limit_int_least8_max); EXPECT_EQ(1, INT_LEAST8_MAX, (int_least8_t) 0x7f); break; + CASE_TEST(limit_int_least8_min); EXPECT_EQ(1, INT_LEAST8_MIN, (int_least8_t) 0x80); break; + CASE_TEST(limit_uint_least8_max); EXPECT_EQ(1, UINT_LEAST8_MAX, (uint_least8_t) 0xff); break; + CASE_TEST(limit_int_least16_max); EXPECT_EQ(1, INT_LEAST16_MAX, (int_least16_t) 0x7fff); break; + CASE_TEST(limit_int_least16_min); EXPECT_EQ(1, INT_LEAST16_MIN, (int_least16_t) 0x8000); break; + CASE_TEST(limit_uint_least16_max); EXPECT_EQ(1, UINT_LEAST16_MAX, (uint_least16_t) 0xffff); break; + CASE_TEST(limit_int_least32_max); EXPECT_EQ(1, INT_LEAST32_MAX, (int_least32_t) 0x7fffffff); break; + CASE_TEST(limit_int_least32_min); EXPECT_EQ(1, INT_LEAST32_MIN, (int_least32_t) 0x80000000); break; + CASE_TEST(limit_uint_least32_max); EXPECT_EQ(1, UINT_LEAST32_MAX, (uint_least32_t) 0xffffffffU); break; +#if __SIZEOF_LONG__ == 8 + CASE_TEST(limit_int_least64_max); EXPECT_EQ(1, INT_LEAST64_MAX, (int_least64_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_int_least64_min); EXPECT_EQ(1, INT_LEAST64_MIN, (int_least64_t) 0x8000000000000000LL); break; + CASE_TEST(limit_uint_least64_max); EXPECT_EQ(1, UINT_LEAST64_MAX, (uint_least64_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intptr_t) 0x8000000000000000LL); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intptr_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uintptr_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrdiff_t) 0x8000000000000000LL); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrdiff_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size_t) 0xffffffffffffffffULL); break; +#elif __SIZEOF_LONG__ == 4 + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intptr_t) 0x80000000); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intptr_t) 0x7fffffff); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uintptr_t) 0xffffffffU); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrdiff_t) 0x80000000); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrdiff_t) 0x7fffffff); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrdiff_t) 0x80000000); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrdiff_t) 0x7fffffff); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size_t) 0xffffffffU); break; +#else +# warning "__SIZEOF_LONG__ is undefined" +#endif /* __WORDSIZE == 64 */ + case __LINE__: return ret; /* must be last */ /* note: do not set any defaults so as to permit holes above */ }