From patchwork Tue Mar 28 21:01:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 76269 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp2514020vqo; Tue, 28 Mar 2023 14:26:41 -0700 (PDT) X-Google-Smtp-Source: AKy350ah8YynQ3oj/LrcTT1uVTJ33QUwQMuRwyUQ+rH8AWYt3vaIkPr3S5x1jhgvsOnFpPh/TBpw X-Received: by 2002:a62:79d5:0:b0:627:f837:2f5b with SMTP id u204-20020a6279d5000000b00627f8372f5bmr15866053pfc.11.1680038801607; Tue, 28 Mar 2023 14:26:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680038801; cv=none; d=google.com; s=arc-20160816; b=Izn6YEPEFNj3jL6R6zuNThZfN0I9/tVBvyWvqISdd8Bh3xqxwn+rZdchxVt47hklbh sZj1RMmHEtzjkr/gVCw4CLc7ei+vz0mGZYC40st95G4tyxZVsNi4MlrEkMdSOPBiD45V x4j56wObS5u5o70B2LB/bbvaRie9Uhy3ZTC33Wi28GEIatFAwcs46WI2/3VRYh4mErfR szn4l2wyuK8OIJR5ppGNpCURuizLArM/a4WUwy5tQMr8Z6rxENb0rK5b+ikSt2/43M+L bRdqI6p/fcmjI8slkM0GwkzfyO51fKuPJDIscbl/DejSyV3PBKWW/Mk3Cuw4rmyzakB2 14ig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:dkim-signature :from; bh=Tn92QrYrO30FJIGvcj7KKlVx9kMcoU0T+e1tbWXUs+A=; b=oWC6gkUgncGyaqb4ucj5YiZKF2IU4q3xwhuTl2XvCsf0dQ19m32MfDpiH5DBvWCF3t keRDcvO+13e8xuc5lBVGZi/eScybOHie3ugulR49lDqH2YEiwW1fa1BX3CQIz0h4uVZB z1C34IEJSWL98S+Gp5U3qEPUgn/8unhe1Amk8bmEmOWtlO2lJe99aQRKO+HssiFNLteg XsNQKw5fxlYv4a6cxV4U2oMi86BUtCeIzUxEE4ylicsvzXOpTHNorwCO39E+UWlRAx73 QG2aiRAOu4RiCwR4STCRbvgq9ObpuWKDHjHVXV39UjCpBS02ShLvcAapG863elXmgWYd V8Fg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@weissschuh.net header.s=mail header.b=qZPhWCAQ; 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 x24-20020aa79418000000b0062d9366b755si3255007pfo.341.2023.03.28.14.26.28; Tue, 28 Mar 2023 14:26:41 -0700 (PDT) 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; dkim=pass header.i=@weissschuh.net header.s=mail header.b=qZPhWCAQ; 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 S229747AbjC1VBt (ORCPT + 99 others); Tue, 28 Mar 2023 17:01:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229601AbjC1VBh (ORCPT ); Tue, 28 Mar 2023 17:01:37 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [IPv6:2a01:4f8:c010:41de::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B75841716; Tue, 28 Mar 2023 14:01:36 -0700 (PDT) From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1680037294; bh=WpL7AHZ/RVZDepQeqXUZNCLzamt9+Jfw6eToN9dbdkk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qZPhWCAQ9mtX5UcSjcGvLyKkKjhiFzgMte5Vjg6gqQl1RcW2iPGKrnzfc4GnJVj6C otaonLDTMl6al5TaZvKq0qGD+93+YqIWGndU7V0VfGhew6tioj8XEpCHWMvlknqcQk tnBtmN8qgUHwVBhs2FQI62qykfFvs3RBYSWN3fq4= Date: Tue, 28 Mar 2023 21:01:29 +0000 Subject: [PATCH 1/3] tools/nolibc: add wrapper for memfd_create MIME-Version: 1.0 Message-Id: <20230328-nolibc-printf-test-v1-1-d7290ec893dd@weissschuh.net> References: <20230328-nolibc-printf-test-v1-0-d7290ec893dd@weissschuh.net> In-Reply-To: <20230328-nolibc-printf-test-v1-0-d7290ec893dd@weissschuh.net> To: Willy Tarreau , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1680037292; l=1058; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=WpL7AHZ/RVZDepQeqXUZNCLzamt9+Jfw6eToN9dbdkk=; b=hxBrlQLFrwwDVd42h6UbrnnXBWKCutgcco3Nq/SMyjiRMzJ3HK4yzYu5PEOfWL0E8UFWSQxGz /ooa/8xHDRiDpwNiHshJJA0TawDG/PFtrF+dRBinwEkoHrWIvaaLRG1 X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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?1761648366264902844?= X-GMAIL-MSGID: =?utf-8?q?1761648366264902844?= This is useful for users and will also be used by a future testcase. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/sys.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index 5d624dc63a42..bea9760dbd16 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -1365,6 +1365,29 @@ ssize_t write(int fd, const void *buf, size_t count) return ret; } + +/* + * int memfd_create(const char *name, unsigned int flags); + */ + +static __attribute__((unused)) +int sys_memfd_create(const char *name, unsigned int flags) +{ + return my_syscall2(__NR_memfd_create, name, flags); +} + +static __attribute__((unused)) +int memfd_create(const char *name, unsigned int flags) +{ + ssize_t ret = sys_memfd_create(name, flags); + + if (ret < 0) { + SET_ERRNO(-ret); + ret = -1; + } + return ret; +} + /* make sure to include all global symbols */ #include "nolibc.h" From patchwork Tue Mar 28 21:01:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 76268 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp2513722vqo; Tue, 28 Mar 2023 14:26:00 -0700 (PDT) X-Google-Smtp-Source: AKy350YsO4ZrGwnCX+TRTIXSr6HaAaa1dIG8letF/AOC5IFA8o+7Hk+zf2r9AXv+EqrvrIAkCtxT X-Received: by 2002:a17:906:c4f:b0:8f1:937c:f450 with SMTP id t15-20020a1709060c4f00b008f1937cf450mr17318147ejf.13.1680038760421; Tue, 28 Mar 2023 14:26:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680038760; cv=none; d=google.com; s=arc-20160816; b=fkGyvajVDAIEC5f4qVvfO0V70SIP08EUC9XrlcBmBZkip4hnyv6Y/1eS3vrNqAWOou gz+yzsQQbSR7KmjBt2PugqfLGcm1Al6Tzq9dybtKrjvCIyeorNy1M08ADoeRsDwL/Y1i JPwF2VjYYGaD1QV9UoTIeZVlqZqcetSFhvrxLyObGh8f4o1V0LSwCI02k7cC1WFsOsRb xZ7HFCigHDKIRuE/cLoJbExC7usLm7TfNwWGxZ9NDIglvkgUeWwHNYFvycHLE3Wm5eRl P4nnn/djenz+ZpiP9zNbW4UDTDV0fZJI7QrtqxRogx+FsXodC17NBKtARrYvluOvuQQD k/7g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:dkim-signature :from; bh=EYBV52FsmqarE1c48eIsMwtQASX7e9VMYPzeBV/rfF8=; b=bjU58p2RQ5njHoq+VDIeTPZifbhmrYXRmZGl2R7CL37OdHCUUjRGKq0mu35KOo23A8 O+2DoDR6ZVqxCYPwmdmVHG1pvIt/GQNcq5SFTscT39R1N4q4FBvR7ceyvquipwob7pyh WvwPHVY4r6fIa1db4GKlcBvRl7kw8vhOL/FsLzKPZl6rhIpa6vF3M93kBFjktZLp830P ktxPyBbIEYbtrSNdqUFw9gIqOiyCIUgxWEC0q5SrWl1RPXpM4PpCSXiYDkjFhZ2HSrQD XSmPFtdnYWKzZoiquf5Mp6d1VaTv1sBHqE2yIus8zUAuAoXnSDqQTbZWOSM506AkTBWY EyyQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@weissschuh.net header.s=mail header.b=AVeSNlXA; 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 oz18-20020a170906cd1200b00931309c5e79si28212335ejb.312.2023.03.28.14.25.18; Tue, 28 Mar 2023 14:26:00 -0700 (PDT) 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; dkim=pass header.i=@weissschuh.net header.s=mail header.b=AVeSNlXA; 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 S229756AbjC1VBv (ORCPT + 99 others); Tue, 28 Mar 2023 17:01:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229621AbjC1VBi (ORCPT ); Tue, 28 Mar 2023 17:01:38 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8F151989; Tue, 28 Mar 2023 14:01:36 -0700 (PDT) From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1680037294; bh=gTyXb86YCdpSyD5ksJfQiCofzh+RXt/YaEbOdrzwMus=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=AVeSNlXApxdNHbGdAjrWP0AtUxQM11T9+3tWwkk3fASmPMd4yyHncAGNk3etiqkCB p7MnOQoGPfbDXIslyAqPJKB/KA9FRuCsfobNCRFfjYpJev95pJysVh0cEUqph3nksb i1Yp8B8jjP0M6RsDOsnOmmotOJSwBXJAwJrmpcm8= Date: Tue, 28 Mar 2023 21:01:30 +0000 Subject: [PATCH 2/3] tools/nolibc: let FILE streams contain an fd MIME-Version: 1.0 Message-Id: <20230328-nolibc-printf-test-v1-2-d7290ec893dd@weissschuh.net> References: <20230328-nolibc-printf-test-v1-0-d7290ec893dd@weissschuh.net> In-Reply-To: <20230328-nolibc-printf-test-v1-0-d7290ec893dd@weissschuh.net> To: Willy Tarreau , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1680037292; l=2316; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=gTyXb86YCdpSyD5ksJfQiCofzh+RXt/YaEbOdrzwMus=; b=Q2O9+eUZgks7p8V+sdQe74LF15Bx0aOaZwaUz56aK619ovw3OXm/kFcEM3/1t7IECAMaoCvsn kuC0GQaLxfODzavdooRKXyrEwvbfVuO2UtvFJUjVBkOeszZ3R6o3JdS X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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?1761648323271351807?= X-GMAIL-MSGID: =?utf-8?q?1761648323271351807?= This enables the usage of the stream APIs with arbitrary filedescriptors. It will be used by a future testcase. Users can also use nolibc-specific code to do the same. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/stdio.h | 36 +++++++----------------------------- 1 file changed, 7 insertions(+), 29 deletions(-) diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index 96ac8afc5aee..cb58912b98e5 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -21,17 +21,13 @@ #define EOF (-1) #endif -/* just define FILE as a non-empty type */ typedef struct FILE { - char dummy[1]; + int fd; } FILE; -/* We define the 3 common stdio files as constant invalid pointers that - * are easily recognized. - */ -static __attribute__((unused)) FILE* const stdin = (FILE*)-3; -static __attribute__((unused)) FILE* const stdout = (FILE*)-2; -static __attribute__((unused)) FILE* const stderr = (FILE*)-1; +static __attribute__((unused)) FILE* const stdin = &(FILE){ STDIN_FILENO }; +static __attribute__((unused)) FILE* const stdout = &(FILE){ STDOUT_FILENO }; +static __attribute__((unused)) FILE* const stderr = &(FILE){ STDERR_FILENO }; /* getc(), fgetc(), getchar() */ @@ -41,14 +37,8 @@ static __attribute__((unused)) int fgetc(FILE* stream) { unsigned char ch; - int fd; - if (stream < stdin || stream > stderr) - return EOF; - - fd = 3 + (long)stream; - - if (read(fd, &ch, 1) <= 0) + if (read(stream->fd, &ch, 1) <= 0) return EOF; return ch; } @@ -68,14 +58,8 @@ static __attribute__((unused)) int fputc(int c, FILE* stream) { unsigned char ch = c; - int fd; - if (stream < stdin || stream > stderr) - return EOF; - - fd = 3 + (long)stream; - - if (write(fd, &ch, 1) <= 0) + if (write(stream->fd, &ch, 1) <= 0) return EOF; return ch; } @@ -96,15 +80,9 @@ static __attribute__((unused)) int _fwrite(const void *buf, size_t size, FILE *stream) { ssize_t ret; - int fd; - - if (stream < stdin || stream > stderr) - return EOF; - - fd = 3 + (long)stream; while (size) { - ret = write(fd, buf, size); + ret = write(stream->fd, buf, size); if (ret <= 0) return EOF; size -= ret; From patchwork Tue Mar 28 21:01:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 76267 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp2513571vqo; Tue, 28 Mar 2023 14:25:32 -0700 (PDT) X-Google-Smtp-Source: AKy350aRyc8zDozguPXUlTe4gClaGjOO2Q+8AK56i6K4tHbgP3EqUy4MMxJCI3kXFHC5Ag4Gk0DE X-Received: by 2002:a17:90b:1647:b0:237:50b6:7835 with SMTP id il7-20020a17090b164700b0023750b67835mr18035458pjb.20.1680038732065; Tue, 28 Mar 2023 14:25:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680038732; cv=none; d=google.com; s=arc-20160816; b=qDA29VaB5EeseK+rSMA48wjScsl5R7HJqpO4RvW19XTtbfywtwixGaQtgsJjqU7I4c rJ6+dhSaMmuFLLw13W5/VXE2Owc9eQ+KArBqyKYGygTFeRiStNAdFkO4UdNquAcaRenW VoyAy3feyIEZ4F8+bhcBFzxChoiYUUxUir+Zyq4ZOHt1ZSU7J72H0sN1CFC8yPMSxq+f /7Pd4jLwcg+5eY9bmC7rN5S1UQnSPD5/5N5p5GPGreuiqTIr0efikoeRMHrMGx2MrGMH hJ5FZ7pGd+n7bRwZ7ISQPDKS2QuHgjrdb/o6thcIQSTb7j1F+mpkUNKOd+sw5XwrNCmC g/yw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:dkim-signature :from; bh=K0a/JtYnXvrb3wbx4VMLuZzJmmNekMu09GbIyIxI2rI=; b=n3oDbF1eV2DH8GoP0zptsxWW2Lnl5Lb7wxh3cAf9iTrvY/DgpVMpLUdqwOUOBEmCqu FeEc3x01Jkc2Jv/yQIgxcZs6GG0+LTOYkAzU4ZNC3XzZ6kX84vIPh2z+hi6XEs47TlW1 l8SEvAR96biw4VHAmCw+Dyp9Z1VHsmN1GpT3hPhhNOCJYi/HRCwypuvG3bzAkgRgme+Z fxlY34gaoYmRUFUyQhmtXa4SLh9zoQDJ+0mxyE6eA3dEkk+G15bSOAZnFnwZ1QJH39ar UejZjI+radU9nlgWf4TnFxgEkcuyGPwpt4s4+duOfYq9NsQuN+JeN+c9wulgapvoBU0V Zwqg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@weissschuh.net header.s=mail header.b=SiXVj8KL; 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. 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Signed-off-by: Thomas Weißschuh --- tools/testing/selftests/nolibc/nolibc-test.c | 77 ++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 47013b78972e..cc60c0f7363d 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -667,6 +667,82 @@ int run_stdlib(int min, int max) return ret; } +#define EXPECT_VFPRINTF(c, expected, fmt, ...) \ + ret += expect_vfprintf(llen, c, expected, fmt, ##__VA_ARGS__) + +static int expect_vfprintf(int llen, size_t c, const char *expected, const char *fmt, ...) +{ + int ret, fd, w, r; + char buf[100]; + va_list args; + + fd = memfd_create("vfprintf", 0); + if (fd == -1) { + pad_spc(llen, 64, "[FAIL]\n"); + return 1; + } + + va_start(args, fmt); + w = vfprintf(&(FILE) { fd }, fmt, args); + va_end(args); + + if (w != c) { + llen += printf(" written(%d) != %d", w, (int) c); + pad_spc(llen, 64, "[FAIL]\n"); + return 1; + } + + lseek(fd, 0, SEEK_SET); + + r = read(fd, buf, sizeof(buf) - 1); + buf[r] = '\0'; + + close(fd); + + if (r != w) { + llen += printf(" written(%d) != read(%d)", w, r); + pad_spc(llen, 64, "[FAIL]\n"); + return 1; + } + + llen += printf(" \"%s\" = \"%s\"", expected, buf); + ret = strncmp(expected, buf, c); + + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); + return ret; +} + +static int run_vfprintf(int min, int max) +{ + int test; + int tmp; + int ret = 0; + void *p1, *p2; + + for (test = min; test >= 0 && test <= max; test++) { + int llen = 0; // line length + + /* avoid leaving empty lines below, this will insert holes into + * test numbers. + */ + switch (test + __LINE__ + 1) { + CASE_TEST(empty); EXPECT_VFPRINTF(0, "", ""); break; + CASE_TEST(simple); EXPECT_VFPRINTF(3, "foo", "foo"); break; + CASE_TEST(string); EXPECT_VFPRINTF(3, "foo", "%s", "foo"); break; + CASE_TEST(number); EXPECT_VFPRINTF(4, "1234", "%d", 1234); break; + CASE_TEST(negnumber); EXPECT_VFPRINTF(5, "-1234", "%d", -1234); break; + CASE_TEST(unsigned); EXPECT_VFPRINTF(5, "12345", "%u", 12345); break; + CASE_TEST(char); EXPECT_VFPRINTF(1, "c", "%c", 'c'); break; + CASE_TEST(hex); EXPECT_VFPRINTF(1, "f", "%x", 0xf); break; + CASE_TEST(pointer); EXPECT_VFPRINTF(3, "0x0", "%p", NULL); break; + case __LINE__: + return ret; /* must be last */ + /* note: do not set any defaults so as to permit holes above */ + } + } + return ret; +} + static int smash_stack(void) { char buf[100]; @@ -774,6 +850,7 @@ static const struct test test_names[] = { /* add new tests here */ { .name = "syscall", .func = run_syscall }, { .name = "stdlib", .func = run_stdlib }, + { .name = "vfprintf", .func = run_vfprintf }, { .name = "protection", .func = run_protection }, { 0 } };