From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:46458) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gcwi9-0006zF-4w for qemu-devel@nongnu.org; Fri, 28 Dec 2018 13:18:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gcwU9-0005VJ-26 for qemu-devel@nongnu.org; Fri, 28 Dec 2018 13:03:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58106) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gcw1Z-0001W7-1k for qemu-devel@nongnu.org; Fri, 28 Dec 2018 12:34:20 -0500 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Fri, 28 Dec 2018 18:33:51 +0100 Message-Id: <20181228173356.15359-1-philmd@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v4 0/5] Fix strncpy() warnings for GCC8 new -Wstringop-truncation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: David Hildenbrand , Eric Blake , Juan Quintela , Paolo Bonzini , "Dr. David Alan Gilbert" , Igor Mammedov , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , David Gibson , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Markus Armbruster , "Michael S. Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth GCC 8 new warning prevents builds to success since quite some time. First report on the mailing list is in July 2018: https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg03723.html Since v3: - patch 1: make sens of description (eblake) - patch 2: append QEMU_NONSTRING instead of prepending it (mst) - patch 3: rebased (imammedo), intented - patch 4: replaced by Marc-Andr=C3=A9 first attempt, improved doc - patch 5: add assert() and NUL-terminate the buffer (mst) Various intents has been sent to fix this: - Incorrectly using g_strlcpy() https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg03705.html https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg03706.html - Using assert() and strpadcpy() https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg03938.html This was the approch taken by the previous v2: https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04405.html - Use #pragma GCC diagnostic ignored "-Wstringop-truncation" https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html - adding an inline wrapper with said pragma in there https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html - -Wno-stringop-truncation is the makefile https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html - Use the 'nonstring' attribute https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04493.html This series add the QEMU_NONSTRING definition and use it. Regards, Phil. Marc-Andr=C3=A9 Lureau (1): migration: Fix stringop-truncation warning Philippe Mathieu-Daud=C3=A9 (4): qemu/compiler: Define QEMU_NONSTRING block/sheepdog: Use QEMU_NONSTRING for non NUL-terminated arrays hw/acpi: Use QEMU_NONSTRING for non NUL-terminated arrays migration: Use strnlen() for fixed-size string block/sheepdog.c | 2 +- hw/acpi/core.c | 12 ++++++++---- include/hw/acpi/acpi-defs.h | 13 ++++++++----- include/qemu/compiler.h | 15 +++++++++++++++ migration/global_state.c | 14 +++++++++++++- 5 files changed, 45 insertions(+), 11 deletions(-) --=20 2.17.2