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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-395cb40fa30sm24349899f8f.68.2025.03.20.08.47.32 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 20 Mar 2025 08:47:33 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Markus Armbruster , Eduardo Habkost , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH-for-10.1 2/6] qom: Add object_class_implements_type() Date: Thu, 20 Mar 2025 16:47:18 +0100 Message-ID: <20250320154722.27349-3-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250320154722.27349-1-philmd@linaro.org> References: <20250320154722.27349-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=philmd@linaro.org; helo=mail-wr1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Add the object_class_implements_type() method to check whether a class implement a type, which can be ambiguous for interfaces. Signed-off-by: Philippe Mathieu-Daudé --- include/qom/object.h | 10 ++++++++++ qom/object.c | 11 +++++++++++ 2 files changed, 21 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index 9192265db76..fd74d4be89f 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -995,6 +995,16 @@ const char *object_class_get_name(ObjectClass *klass); */ bool object_class_is_abstract(ObjectClass *klass); +/** + * object_class_implements_type: + * @klass: The class to check the implementation for. + * @typename: The QOM typename of the implementation to check to. + * + * Returns: %true if @klass implements %typename, %false otherwise. + */ +bool object_class_implements_type(ObjectClass *class, + const char *typename); + /** * object_class_by_name: * @typename: The QOM typename to obtain the class for. diff --git a/qom/object.c b/qom/object.c index 1620a87ef44..b9948937935 100644 --- a/qom/object.c +++ b/qom/object.c @@ -992,6 +992,17 @@ static ObjectClass *object_class_dynamic_cast_ambiguous(ObjectClass *class, return ret; } +bool object_class_implements_type(ObjectClass *class, + const char *typename) +{ + ObjectClass *k; + bool ambiguous = false; + + k = object_class_dynamic_cast_ambiguous(class, typename, &ambiguous); + + return k || ambiguous; +} + ObjectClass *object_class_dynamic_cast(ObjectClass *class, const char *typename) {