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{
    "id": 2094,
    "url": "https://patchwork.libcamera.org/api/patches/2094/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/2094/",
    "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": "<20191003210113.13366-1-laurent.pinchart@ideasonboard.com>",
    "date": "2019-10-03T21:01:13",
    "name": "[libcamera-devel] libcamera: ipa_manager: Sort IPA modules by name",
    "commit_ref": "200bb4c60fa4bca408c94e5964f02de496401611",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "d8eeca309f0e0f92b9f5ec20d45fbd6ca8996b2c",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/2094/mbox/",
    "series": [
        {
            "id": 517,
            "url": "https://patchwork.libcamera.org/api/series/517/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=517",
            "date": "2019-10-03T21:01:13",
            "name": "[libcamera-devel] libcamera: ipa_manager: Sort IPA modules by name",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/517/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/2094/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/2094/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2696260BE8\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu,  3 Oct 2019 23:01:30 +0200 (CEST)",
            "from pendragon.wireless.concordia.ca (unknown [132.205.229.214])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 42D912E5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu,  3 Oct 2019 23:01:29 +0200 (CEST)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1570136489;\n\tbh=Z4yK8lQZefrW9t8+6tizovPsfyyO+BLYDmKfOFs6Z9c=;\n\th=From:To:Subject:Date:From;\n\tb=r5tvtO7UubYQDe3utaATA4lc6R7L6EudhwyrnN7wsX9HmmHez+jZn3J5mrYDS6dYY\n\tWScWXG5nzM96AjebfQ8ONd1UztNbosYTXlRkVTqPsQ/7W67wmwhll7r5nCYlvPqky2\n\tob6CRVo1DxLXYpAXPi8TVQL2a0ShaVPJNe8AbbhU=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri,  4 Oct 2019 00:01:13 +0300",
        "Message-Id": "<20191003210113.13366-1-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.21.0",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] libcamera: ipa_manager: Sort IPA modules\n\tby name",
        "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>",
        "X-List-Received-Date": "Thu, 03 Oct 2019 21:01:30 -0000"
    },
    "content": "Sort IPA modules by name when enumerating modules in a directory in\norder to guarantee a stable ordering. This eases debugging by making\nissues more reproducible.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/ipa_manager.cpp | 16 ++++++++++++----\n 1 file changed, 12 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/libcamera/ipa_manager.cpp b/src/libcamera/ipa_manager.cpp\nindex 708233e8a9c7..27aa17920bab 100644\n--- a/src/libcamera/ipa_manager.cpp\n+++ b/src/libcamera/ipa_manager.cpp\n@@ -7,6 +7,7 @@\n \n #include \"ipa_manager.h\"\n \n+#include <algorithm>\n #include <dirent.h>\n #include <string.h>\n #include <sys/types.h>\n@@ -112,7 +113,7 @@ int IPAManager::addDir(const char *libDir)\n \tif (!dir)\n \t\treturn -errno;\n \n-\tunsigned int count = 0;\n+\tstd::vector<std::string> paths;\n \twhile ((ent = readdir(dir)) != nullptr) {\n \t\tint offset = strlen(ent->d_name) - 3;\n \t\tif (offset < 0)\n@@ -120,8 +121,16 @@ int IPAManager::addDir(const char *libDir)\n \t\tif (strcmp(&ent->d_name[offset], \".so\"))\n \t\t\tcontinue;\n \n-\t\tIPAModule *ipaModule = new IPAModule(std::string(libDir) +\n-\t\t\t\t\t\t     \"/\" + ent->d_name);\n+\t\tpaths.push_back(std::string(libDir) + \"/\" + ent->d_name);\n+\t}\n+\tclosedir(dir);\n+\n+\t/* Ensure a stable ordering of modules. */\n+\tstd::sort(paths.begin(), paths.end());\n+\n+\tunsigned int count = 0;\n+\tfor (const std::string &path : paths) {\n+\t\tIPAModule *ipaModule = new IPAModule(path);\n \t\tif (!ipaModule->isValid()) {\n \t\t\tdelete ipaModule;\n \t\t\tcontinue;\n@@ -131,7 +140,6 @@ int IPAManager::addDir(const char *libDir)\n \t\tcount++;\n \t}\n \n-\tclosedir(dir);\n \treturn count;\n }\n \n",
    "prefixes": [
        "libcamera-devel"
    ]
}