From patchwork Thu Jun 1 15:55:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frederic Berat X-Patchwork-Id: 1789192 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=imGa32ZY; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QX9jV4dbBz20QB for ; 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Thu, 01 Jun 2023 11:56:07 -0400 X-MC-Unique: U3wW3-x_P560UiF4agKw9A-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E6C2F2A59543; Thu, 1 Jun 2023 15:56:06 +0000 (UTC) Received: from Nymeria-redhat.redhat.com (unknown [10.39.193.180]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 43AEF202696C; Thu, 1 Jun 2023 15:56:06 +0000 (UTC) To: libc-alpha@sourceware.org Cc: siddhesh@gotplt.org, fberat@redhat.com Subject: [PATCH] Move {read,write}_all functions to a dedicated header Date: Thu, 1 Jun 2023 17:55:56 +0200 Message-Id: <20230601155556.104745-1-fberat@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.8 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: =?utf-8?q?Fr=C3=A9d=C3=A9ric_B=C3=A9rat_via_Libc-alpha?= From: Frederic Berat Reply-To: =?utf-8?b?RnLDqWTDqXJpYyBCw6lyYXQ=?= Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" Since these functions are used in both catgets/gencat.c and malloc/memusage{,stat}.c, it make sense to move them into a dedicated header where they can be inlined. --- catgets/gencat.c | 22 +------------------- include/unistd_ext.h | 48 +++++++++++++++++++++++++++++++++++++++++++ malloc/memusage.c | 25 +--------------------- malloc/memusagestat.c | 40 +----------------------------------- 4 files changed, 51 insertions(+), 84 deletions(-) create mode 100644 include/unistd_ext.h diff --git a/catgets/gencat.c b/catgets/gencat.c index 826596c2e4..9cacc801b5 100644 --- a/catgets/gencat.c +++ b/catgets/gencat.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include "version.h" @@ -838,27 +839,6 @@ invalid character: message ignored")); return current; } -static void -write_all (int fd, const void *buffer, size_t length) -{ - const char *p = buffer; - const char *end = p + length; - while (p < end) - { - ssize_t ret = write (fd, p, end - p); - if (ret < 0) - error (EXIT_FAILURE, errno, - gettext ("write of %zu bytes failed after %td: %m"), - length, p - (const char *) buffer); - - if (ret == 0) - error (EXIT_FAILURE, 0, - gettext ("write returned 0 after writing %td bytes of %zu"), - p - (const char *) buffer, length); - p += ret; - } -} - static void write_out (struct catalog *catalog, const char *output_name, const char *header_name) diff --git a/include/unistd_ext.h b/include/unistd_ext.h new file mode 100644 index 0000000000..b6ce067efb --- /dev/null +++ b/include/unistd_ext.h @@ -0,0 +1,48 @@ +#ifndef _UNISTD_EXT_H +#define _UNISTD_EXT_H + +#include +#include +#include +#include + +/* Helpers used in catgets/gencat.c and malloc/memusage*.c */ +static inline void +write_all (int fd, const void *buffer, size_t length) +{ + const char *p = buffer; + const char *end = p + length; + while (p < end) + { + ssize_t ret = write (fd, p, end - p); + if (ret < 0) + error (EXIT_FAILURE, errno, + gettext ("write of %zu bytes failed after %td: %m"), + length, p - (const char *) buffer); + + if (ret == 0) + error (EXIT_FAILURE, 0, + gettext ("write returned 0 after writing %td bytes of %zu"), + p - (const char *) buffer, length); + p += ret; + } +} + +static inline void +read_all (int fd, void *buffer, size_t length) +{ + char *p = buffer; + char *end = p + length; + while (p < end) + { + ssize_t ret = read (fd, p, end - p); + if (ret < 0) + error (EXIT_FAILURE, errno, + gettext ("read of %zu bytes failed after %td: %m"), + length, p - (char *) buffer); + + p += ret; + } +} + +#endif diff --git a/malloc/memusage.c b/malloc/memusage.c index 53a3630651..1c6930188c 100644 --- a/malloc/memusage.c +++ b/malloc/memusage.c @@ -18,10 +18,7 @@ #include #include -#include -#include #include -#include #include #include #include @@ -30,6 +27,7 @@ #include #include #include +#include #include #include @@ -145,27 +143,6 @@ peak_atomic_max (_Atomic size_t *peak, size_t val) while (! atomic_compare_exchange_weak (peak, &v, val)); } -static void -write_all (int fd, const void *buffer, size_t length) -{ - const char *p = buffer; - const char *end = p + length; - while (p < end) - { - ssize_t ret = write (fd, p, end - p); - if (ret < 0) - error (EXIT_FAILURE, errno, - gettext ("write of %zu bytes failed after %td: %m"), - length, p - (const char *) buffer); - - if (ret == 0) - error (EXIT_FAILURE, 0, - gettext ("write returned 0 after writing %td bytes of %zu"), - p - (const char *) buffer, length); - p += ret; - } -} - /* Update the global data after a successful function call. */ static void update_data (struct header *result, size_t len, size_t old_len) diff --git a/malloc/memusagestat.c b/malloc/memusagestat.c index cc066d4af9..837b613c2b 100644 --- a/malloc/memusagestat.c +++ b/malloc/memusagestat.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -114,45 +115,6 @@ static int time_based; static int also_total = 0; -static void -read_all (int fd, void *buffer, size_t length) -{ - char *p = buffer; - char *end = p + length; - while (p < end) - { - ssize_t ret = read (fd, p, end - p); - if (ret < 0) - error (EXIT_FAILURE, errno, - gettext ("read of %zu bytes failed after %td: %m"), - length, p - (char *) buffer); - - p += ret; - } -} - -static void -write_all (int fd, const void *buffer, size_t length) -{ - const char *p = buffer; - const char *end = p + length; - while (p < end) - { - ssize_t ret = write (fd, p, end - p); - if (ret < 0) - error (EXIT_FAILURE, errno, - gettext ("write of %zu bytes failed after %td: %m"), - length, p - (const char *) buffer); - - if (ret == 0) - error (EXIT_FAILURE, 0, - gettext ("write returned 0 after writing %td bytes of %zu"), - p - (const char *) buffer, length); - p += ret; - } -} - - int main (int argc, char *argv[]) {