From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) by sourceware.org (Postfix) with ESMTPS id DAB913858D20 for ; Tue, 15 Mar 2022 18:43:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DAB913858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embedded-brains.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embedded-brains.de Received: from sslproxy02.your-server.de ([78.47.166.47]) by dedi548.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1nUC8J-000G06-T0; Tue, 15 Mar 2022 19:43:00 +0100 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nUC8J-000EWI-QC; Tue, 15 Mar 2022 19:42:59 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 7D8C2480080; Tue, 15 Mar 2022 19:42:59 +0100 (CET) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id s-MJk5oLrYyR; Tue, 15 Mar 2022 19:42:59 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 30CF74800A7; Tue, 15 Mar 2022 19:42:59 +0100 (CET) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4wHCariu1gMk; Tue, 15 Mar 2022 19:42:59 +0100 (CET) Received: from [10.10.171.10] (unknown [10.10.171.10]) by mail.embedded-brains.de (Postfix) with ESMTPSA id CCB2D480080; Tue, 15 Mar 2022 19:42:58 +0100 (CET) Message-ID: Date: Tue, 15 Mar 2022 19:42:57 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH newlib] libc/include/malloc.h: Add prototype for GNU extension malloc_usable_size() Content-Language: en-US To: Joel Sherrill , newlib@sourceware.org References: <20220315151644.369-1-joel@rtems.org> From: Sebastian Huber In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.103.5/26482/Tue Mar 15 09:26:17 2022) X-Spam-Status: No, score=-10.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, NICE_REPLY_A, 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: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2022 18:43:04 -0000 On 15/03/2022 16:47, Mike Frysinger wrote: > On 15 Mar 2022 10:16, Joel Sherrill wrote: >> This is not provided by the newlib malloc implementation but may >> be available in external implementations. >> --- >> newlib/libc/include/malloc.h | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/newlib/libc/include/malloc.h b/newlib/libc/include/malloc= .h >> index a9dc5bca6..e73095e1e 100644 >> --- a/newlib/libc/include/malloc.h >> +++ b/newlib/libc/include/malloc.h >> @@ -137,6 +137,10 @@ extern void __malloc_lock(struct _reent *); >> =20 >> extern void __malloc_unlock(struct _reent *); >> =20 >> +#if __GNU_VISIBLE >> +extern size_t malloc_usable_size(void *); >> +#endif >> + > i'm confused. isn't this prototype already defined in this header file > on line 101 above where you added this ? Yes, and it is implemented by the Newlib malloc. --=20 embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.huber@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht M=C3=BCnchen Registernummer: HRB 157899 Vertretungsberechtigte Gesch=C3=A4ftsf=C3=BChrer: Peter Rasmussen, Thomas= D=C3=B6rfler Unsere Datenschutzerkl=C3=A4rung finden Sie hier: https://embedded-brains.de/datenschutzerklaerung/