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{ "id": 22801, "url": "https://patchwork.libcamera.org/api/patches/22801/?format=api", "web_url": "https://patchwork.libcamera.org/patch/22801/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20250217185433.306833-2-pobrn@protonmail.com>", "date": "2025-02-17T18:54:40", "name": "[v3,1/8] libcamera: base: log: Remove move constructor", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "f9cc8aa049da996f9586369345e4d67a51b69a41", "submitter": { "id": 133, "url": "https://patchwork.libcamera.org/api/people/133/?format=api", "name": "Pőcze Barnabás", "email": "pobrn@protonmail.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/22801/mbox/", "series": [ { "id": 5007, "url": "https://patchwork.libcamera.org/api/series/5007/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5007", "date": "2025-02-17T18:54:35", "name": "libcamera: base: log: Misc. changes", "version": 3, "mbox": "https://patchwork.libcamera.org/series/5007/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/22801/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/22801/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id C4F08C3200\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 17 Feb 2025 18:54:47 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7C4C268686;\n\tMon, 17 Feb 2025 19:54:47 +0100 (CET)", "from mail-10628.protonmail.ch (mail-10628.protonmail.ch\n\t[79.135.106.28])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9767A6867F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 17 Feb 2025 19:54:46 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=protonmail.com header.i=@protonmail.com\n\theader.b=\"as1axuY4\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com;\n\ts=protonmail3; t=1739818485; x=1740077685;\n\tbh=A+W+78pmn5VywPajj1M639brMT/ZaiOPzqKEXLum3aI=;\n\th=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References:\n\tFeedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID:\n\tMessage-ID:BIMI-Selector:List-Unsubscribe:List-Unsubscribe-Post;\n\tb=as1axuY4+QaqbvKgLP7fLVl+GyG7Etd4D3RhpTTVHxdUC9P1JHx+dVgExSymxFje9\n\tEGYF0krqRt8/61Walm7WI2Px8nM04hrfbjevkbBODFKc0ZDbaUsy04z6e0aZQIOZ7H\n\twZTwooSz85vdsYBNDj21Bn7HCpFWdFQOGmczMoJp5l5Ci2R1oWsPeKIAkUqtwjk5xa\n\t/vVIivjfp8qMRJsIzSmIF6zjix9ytBWUOm6QnqSfajI/Btw8WoipnF8ZfLaEMvvoLW\n\tvSD9OLn3H2QnuZoPONa5q64dqYX5CQSykvISTuyVUel9x3OOCPUWQqFXMatd6g/QVG\n\tOKnd97g4VsDJw==", "Date": "Mon, 17 Feb 2025 18:54:40 +0000", "To": "libcamera-devel@lists.libcamera.org", "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <pobrn@protonmail.com>", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>", "Subject": "[PATCH v3 1/8] libcamera: base: log: Remove move constructor", "Message-ID": "<20250217185433.306833-2-pobrn@protonmail.com>", "In-Reply-To": "<20250217185433.306833-1-pobrn@protonmail.com>", "References": "<20250217185433.306833-1-pobrn@protonmail.com>", "Feedback-ID": "20568564:user:proton", "X-Pm-Message-ID": "2169fabd493577edbd1c08ac8d713c493f96e11d", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=utf-8", "Content-Transfer-Encoding": "quoted-printable", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "C++17 guarantees move and copy elision in certain cases,\nsuch as when returning a prvalue of the same type as the\nreturn type of the function.\n\nThis is what the `_log()` functions do, thus there is no need\nfor the move constructor, so remove it. Furthermore, do not\njust remove the implementation, but instead delete it as well.\n\nSigned-off-by: Barnabás Pőcze <pobrn@protonmail.com>\nReviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/base/log.h | 4 +---\n src/libcamera/base/log.cpp | 19 -------------------\n 2 files changed, 1 insertion(+), 22 deletions(-)", "diff": "diff --git a/include/libcamera/base/log.h b/include/libcamera/base/log.h\nindex cfe26f883..7a101d8ba 100644\n--- a/include/libcamera/base/log.h\n+++ b/include/libcamera/base/log.h\n@@ -61,8 +61,6 @@ public:\n \tLogMessage(const char *fileName, unsigned int line,\n \t\t const LogCategory &category, LogSeverity severity,\n \t\t const std::string &prefix = std::string());\n-\n-\tLogMessage(LogMessage &&);\n \t~LogMessage();\n \n \t[[nodiscard]] std::ostream &stream() { return msgStream_; }\n@@ -75,7 +73,7 @@ public:\n \tconst std::string msg() const { return msgStream_.str(); }\n \n private:\n-\tLIBCAMERA_DISABLE_COPY(LogMessage)\n+\tLIBCAMERA_DISABLE_COPY_AND_MOVE(LogMessage)\n \n \tvoid init(const char *fileName, unsigned int line);\n \ndiff --git a/src/libcamera/base/log.cpp b/src/libcamera/base/log.cpp\nindex fd1427d0b..8c72a005d 100644\n--- a/src/libcamera/base/log.cpp\n+++ b/src/libcamera/base/log.cpp\n@@ -866,25 +866,6 @@ LogMessage::LogMessage(const char *fileName, unsigned int line,\n \tinit(fileName, line);\n }\n \n-/**\n- * \\brief Move-construct a log message\n- * \\param[in] other The other message\n- *\n- * The move constructor is meant to support the _log() functions. Thanks to copy\n- * elision it will likely never be called, but C++11 only permits copy elision,\n- * it doesn't enforce it unlike C++17. To avoid potential link errors depending\n- * on the compiler type and version, and optimization level, the move\n- * constructor is defined even if it will likely never be called, and ensures\n- * that the destructor of the \\a other message will not output anything to the\n- * log by setting the severity to LogInvalid.\n- */\n-LogMessage::LogMessage(LogMessage &&other)\n-\t: msgStream_(std::move(other.msgStream_)), category_(other.category_),\n-\t severity_(other.severity_)\n-{\n-\tother.severity_ = LogInvalid;\n-}\n-\n void LogMessage::init(const char *fileName, unsigned int line)\n {\n \t/* Log the timestamp, severity and file information. */\n", "prefixes": [ "v3", "1/8" ] }