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[176.184.18.96]) by smtp.gmail.com with ESMTPSA id u6-20020a05600c19c600b004128e757706sm765542wmq.36.2024.02.22.07.28.47 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 22 Feb 2024 07:28:48 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, Dehan Meng Cc: Konstantin Kostiuk , Michael Roth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v3 2/3] qga/commands-win32: Do not set matrix_lookup_t/win_10_0_t arrays size Date: Thu, 22 Feb 2024 16:28:34 +0100 Message-ID: <20240222152835.72095-3-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240222152835.72095-1-philmd@linaro.org> References: <20240222152835.72095-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::135; envelope-from=philmd@linaro.org; helo=mail-lf1-x135.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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org ga_get_win_name() iterates over all elements in the arrays by checking the 'version' field is non-NULL. Since the arrays are guarded by a NULL terminating element, we don't need to specify their size: static char *ga_get_win_name(...) { ... const ga_matrix_lookup_t *table = WIN_VERSION_MATRIX[tbl_idx]; const ga_win_10_0_t *win_10_0_table = ... ... while (table->version != NULL) { ^^^^^^^^^^^^^^^ while (win_10_0_table->version != NULL) { ^^^^^^^^^^^^^^^ This will simplify maintenance when adding new entries to these arrays. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Konstantin Kostiuk --- qga/commands-win32.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 79b5a580c9..87ce6e2870 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -2124,7 +2124,7 @@ typedef struct _ga_matrix_lookup_t { const char *version_id; } ga_matrix_lookup_t; -static const ga_matrix_lookup_t WIN_VERSION_MATRIX[2][7] = { +static const ga_matrix_lookup_t WIN_VERSION_MATRIX[2][] = { { /* Desktop editions */ { 5, 0, "Microsoft Windows 2000", "2000"}, @@ -2133,7 +2133,7 @@ static const ga_matrix_lookup_t WIN_VERSION_MATRIX[2][7] = { { 6, 1, "Microsoft Windows 7" "7"}, { 6, 2, "Microsoft Windows 8", "8"}, { 6, 3, "Microsoft Windows 8.1", "8.1"}, - { 0, 0, 0} + { } },{ /* Server editions */ { 5, 2, "Microsoft Windows Server 2003", "2003"}, @@ -2141,28 +2141,27 @@ static const ga_matrix_lookup_t WIN_VERSION_MATRIX[2][7] = { { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, { 6, 2, "Microsoft Windows Server 2012", "2012"}, { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, - { 0, 0, 0}, - { 0, 0, 0} + { }, } }; typedef struct _ga_win_10_0_t { int first_build; - const char *version; - const char *version_id; + char const *version; + char const *version_id; } ga_win_10_0_t; -static const ga_win_10_0_t WIN_10_0_SERVER_VERSION_MATRIX[4] = { +static const ga_win_10_0_t WIN_10_0_SERVER_VERSION_MATRIX[] = { {14393, "Microsoft Windows Server 2016", "2016"}, {17763, "Microsoft Windows Server 2019", "2019"}, {20344, "Microsoft Windows Server 2022", "2022"}, - {0, 0} + { } }; -static const ga_win_10_0_t WIN_10_0_CLIENT_VERSION_MATRIX[3] = { +static const ga_win_10_0_t WIN_10_0_CLIENT_VERSION_MATRIX[] = { {10240, "Microsoft Windows 10", "10"}, {22000, "Microsoft Windows 11", "11"}, - {0, 0} + { } }; static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)