{"id":2224,"url":"https://patchwork.libcamera.org/api/1.1/patches/2224/?format=json","web_url":"https://patchwork.libcamera.org/patch/2224/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20191025213255.2751-2-laurent.pinchart@ideasonboard.com>","date":"2019-10-25T21:32:55","name":"[libcamera-devel,2/2] libcamera: controls: Avoid exception in ControlList count() and find()","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"e1a136adf28cd7d92f088d84de77fc0a6cdeb430","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/1.1/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":{"id":14,"url":"https://patchwork.libcamera.org/api/1.1/users/14/?format=json","username":"pinchartl","first_name":"Laurent","last_name":"Pinchart","email":"laurent.pinchart@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/patch/2224/mbox/","series":[{"id":551,"url":"https://patchwork.libcamera.org/api/1.1/series/551/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=551","date":"2019-10-25T21:32:54","name":"[libcamera-devel,1/2] test: controls: Add ControlInfoMap test","version":1,"mbox":"https://patchwork.libcamera.org/series/551/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/2224/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/2224/checks/","tags":{},"headers":{"Return-Path":"<laurent.pinchart@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9BD5F614FF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 25 Oct 2019 23:33:07 +0200 (CEST)","from pendragon.ideasonboard.com (143.121.2.93.rev.sfr.net\n\t[93.2.121.143])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3DE9099A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 25 Oct 2019 23:33:07 +0200 (CEST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1572039187;\n\tbh=Wb7kncZOf6ol9m4hG99xyRfJ9ENctf05jp1fANDSsJg=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=oI2kAF51mIzkrmsE/shiXej99/Liae0gDE6ahEe3BSMspQG1vdk8Krvn/dQx5RB3z\n\tDJoCJMru348kpTdbZqI8pPC9DwElkcUHD92tevQFK7f1bcF3hdlfC9RRN9fD+t4emQ\n\tQE2yb9jFrmjDO850pfBZ/zJtGpVNFLJn9h1SuvWs=","From":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Date":"Sat, 26 Oct 2019 00:32:55 +0300","Message-Id":"<20191025213255.2751-2-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.23.0","In-Reply-To":"<20191025213255.2751-1-laurent.pinchart@ideasonboard.com>","References":"<20191025213255.2751-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 2/2] libcamera: controls: Avoid exception\n\tin ControlList count() and find()","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":"Fri, 25 Oct 2019 21:33:07 -0000"},"content":"The ControlList count() and find() methods use at() to lookup the\ncontrol numerical ID in the idmap_. This causes an exception to be\nthrown if the ID doesn't exist in the map. Fix it by using the find()\nmethod instead.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/controls.cpp | 18 +++++++++++++++---\n 1 file changed, 15 insertions(+), 3 deletions(-)","diff":"diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex 93ad2fc6a276..0c7cd449ad64 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -491,7 +491,11 @@ const ControlInfoMap::mapped_type &ControlInfoMap::at(unsigned int id) const\n  */\n ControlInfoMap::size_type ControlInfoMap::count(unsigned int id) const\n {\n-\treturn count(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn 0;\n+\n+\treturn count(iter->second);\n }\n \n /**\n@@ -502,7 +506,11 @@ ControlInfoMap::size_type ControlInfoMap::count(unsigned int id) const\n  */\n ControlInfoMap::iterator ControlInfoMap::find(unsigned int id)\n {\n-\treturn find(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn end();\n+\n+\treturn find(iter->second);\n }\n \n /**\n@@ -513,7 +521,11 @@ ControlInfoMap::iterator ControlInfoMap::find(unsigned int id)\n  */\n ControlInfoMap::const_iterator ControlInfoMap::find(unsigned int id) const\n {\n-\treturn find(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn end();\n+\n+\treturn find(iter->second);\n }\n \n /**\n","prefixes":["libcamera-devel","2/2"]}