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{
    "id": 22711,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/22711/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22711/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/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": "<20250130195811.1230581-3-pobrn@protonmail.com>",
    "date": "2025-01-30T19:58:25",
    "name": "[RFC,v2,2/9] libcamera: base: log: Use `std::from_chars()`",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "8b8f918ef3d1d6bcba515f95f9d12ff6a96f1fbe",
    "submitter": {
        "id": 133,
        "url": "https://patchwork.libcamera.org/api/1.1/people/133/?format=api",
        "name": "Pőcze Barnabás",
        "email": "pobrn@protonmail.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22711/mbox/",
    "series": [
        {
            "id": 4982,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4982/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4982",
            "date": "2025-01-30T19:58:14",
            "name": "libcamera: base: log: Misc. changes",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/4982/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22711/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22711/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 7CBCFBD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 30 Jan 2025 19:58:31 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3AEE468559;\n\tThu, 30 Jan 2025 20:58:31 +0100 (CET)",
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        ],
        "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=\"isG4+t0C\"; dkim-atps=neutral",
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        "Date": "Thu, 30 Jan 2025 19:58:25 +0000",
        "To": "libcamera-devel@lists.libcamera.org",
        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <pobrn@protonmail.com>",
        "Cc": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "Subject": "[RFC PATCH v2 2/9] libcamera: base: log: Use `std::from_chars()`",
        "Message-ID": "<20250130195811.1230581-3-pobrn@protonmail.com>",
        "In-Reply-To": "<20250130195811.1230581-1-pobrn@protonmail.com>",
        "References": "<20250130195811.1230581-1-pobrn@protonmail.com>",
        "Feedback-ID": "20568564:user:proton",
        "X-Pm-Message-ID": "c221c145c7abd54da2e19574ba62b6cc8b2780d4",
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        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
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        "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/>",
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        "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": "Use the `std::from_chars()` function from `<charconv>` to\nparse the integral log level instead of `strtoul` as it\nprovides an easier to use interface and better type safety.\n\nSigned-off-by: Barnabás Pőcze <pobrn@protonmail.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/base/log.cpp | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/libcamera/base/log.cpp b/src/libcamera/base/log.cpp\nindex 1917c3254..31053aee1 100644\n--- a/src/libcamera/base/log.cpp\n+++ b/src/libcamera/base/log.cpp\n@@ -8,6 +8,7 @@\n #include <libcamera/base/log.h>\n \n #include <array>\n+#include <charconv>\n #include <fstream>\n #include <iostream>\n #include <list>\n@@ -685,12 +686,11 @@ LogSeverity Logger::parseLogLevel(const std::string &level)\n \t\t\"FATAL\",\n \t};\n \n-\tint severity;\n+\tunsigned int severity;\n \n \tif (std::isdigit(level[0])) {\n-\t\tchar *endptr;\n-\t\tseverity = strtoul(level.c_str(), &endptr, 10);\n-\t\tif (*endptr != '\\0' || severity > LogFatal)\n+\t\tauto [end, ec] = std::from_chars(level.data(), level.data() + level.size(), severity);\n+\t\tif (ec != std::errc() || *end != '\\0' || severity > LogFatal)\n \t\t\tseverity = LogInvalid;\n \t} else {\n \t\tseverity = LogInvalid;\n",
    "prefixes": [
        "RFC",
        "v2",
        "2/9"
    ]
}