From nobody Tue Dec 16 20:22:41 2025 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dW7ds2Lchz6L6BL for ; Tue, 16 Dec 2025 20:22:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dW7ds0kf6z3n3s for ; Tue, 16 Dec 2025 20:22:41 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765916561; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0uCznLpRQkfDRez4iEPik/AWxQofVXmzjbKrFC05hVw=; b=cT0xkE+3DE3Ks3H7Ap3bFJyUXuOzIMuy8YDxZOS3UDrGZKhrBHEGoYK8OGaRPGQzWuDYfC xDKhY/vZ8Z5QnKQwdLKF++L36BP44Mwf+454B4jN/J1Ybm8jZmCwJdKEwf7F1IognwDSN+ GqNT2LgpFzvskpLSAxIMEXRoJaN10FgyLdfCssmkjKdtd4VkPIFNuw8/tnLsULF7uUgND8 5s0PRhP/gUKFS+VR08rpFm3OJVF2BaWstrKo/YCzDOtAgbaFIxDcPeGHXp7roNDsMr8vpG 85GFmKJP9wZsh5crz8LJa4d/VGR525TbR8MKo2pHRALS8qPeJVHQHEOjh7nCVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765916561; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0uCznLpRQkfDRez4iEPik/AWxQofVXmzjbKrFC05hVw=; b=UDX05U5K4z6br9g96icF1H2/fi4brsQlwuHwimZZ7icSBWRl1WbOqhshhYNZAYzDX5WgMO bWaBMZjfQ/z/c1JxxptTPxVhJVNMvBkkR4maQo7Uly/rkNUsN6xlEzZlTazRtKA+cePWlH BWuGr5gR3mCyXO3B3EupbV26/FfRa6LpxcvMurY1tcLcthi6BYwGP1E70pnU8PDtWSm3Bq FVTjSVJQ22xBV35MvJi4dq9zyzEWCvA+JLSHWxChlY0D2NfVAwTId8hn6LyL2P+aTVrHda qT9NCjeY4Svi/WhiN46DzMTpymCovHJD/NoFf8Mbv0SrC6LA3zkI+T3kNNkTcQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1765916561; a=rsa-sha256; cv=none; b=OrrQrkcpoW69aocaGpMhLqLEkqqdGXbMIAJgvB6mU2h7yyluZFJTLkCqTCe9xQ+aBGZVSF kN22emR7TRx1fxkisI7xgRKgRKzqEhXAa5PTM6fFy1ukCge9DLB33OJB+zx20UOCk/Gu2Z Ovpx/BYuahHe55CwX5N6mkwJZO5ysCmiRRVSE4Z7Bf2w2399LUA6kvyy6LqRElw40T9smt I2ZXGvIFU0zGA4P9ovaOr2t9BolSAy1gAmLYLkXIDXMEzWjQQ+wYNEaZrPjT1+KtiZbAq0 5yhYJivhaGMhb712grEq2ya4/liyA5Vo36qPrlDcWEDTf3QRj5/yM7RjRrFfQA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4dW7ds0Kmpz6HP for ; Tue, 16 Dec 2025 20:22:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 36d57 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 16 Dec 2025 20:22:41 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Alex Richardson Subject: git: 802c6d5d61d1 - main - cdefs.h: Introduce __nonstring attribute List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: arichardson X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 802c6d5d61d15494a54a386dc2ffbcfefc68c8ab Auto-Submitted: auto-generated Date: Tue, 16 Dec 2025 20:22:41 +0000 Message-Id: <6941bf91.36d57.28d9764b@gitrepo.freebsd.org> The branch main has been updated by arichardson: URL: https://cgit.FreeBSD.org/src/commit/?id=802c6d5d61d15494a54a386dc2ffbcfefc68c8ab commit 802c6d5d61d15494a54a386dc2ffbcfefc68c8ab Author: Alex Richardson AuthorDate: 2025-12-16 18:03:44 +0000 Commit: Alex Richardson CommitDate: 2025-12-16 20:21:45 +0000 cdefs.h: Introduce __nonstring attribute This attribute can be used to annotate char arrays that are not supposed to be terminated with a NUL char and is needed to silence clang's new -Wunterminated-string-initialization warning. The name matches linuxkpi. Reviewed by: emaste, jhb MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D52565 --- sys/sys/cdefs.h | 7 +++++++ tools/build/cross-build/include/common/sys/cdefs.h | 8 ++++++++ 2 files changed, 15 insertions(+) diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index 3bc4389346d2..ea6a92ad0056 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -394,6 +394,13 @@ #define __printf0like(fmtarg, firstvararg) #endif +/* To silence warnings about null terminator not fitting into an array. */ +#if __has_attribute(__nonstring__) +#define __nonstring __attribute__((__nonstring__)) +#else +#define __nonstring +#endif + #define __strong_reference(sym,aliassym) \ extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))) #ifdef __STDC__ diff --git a/tools/build/cross-build/include/common/sys/cdefs.h b/tools/build/cross-build/include/common/sys/cdefs.h index faad5eccb3af..c7e453394478 100644 --- a/tools/build/cross-build/include/common/sys/cdefs.h +++ b/tools/build/cross-build/include/common/sys/cdefs.h @@ -100,6 +100,14 @@ __attribute__((__format__(__printf0__, fmtarg, firstvararg))) #endif +#ifndef __nonstring +#if __has_attribute(__nonstring__) +#define __nonstring __attribute__((__nonstring__)) +#else +#define __nonstring +#endif +#endif + #ifndef __predict_true #define __predict_true(exp) __builtin_expect((exp), 1) #endif