From: Youngjae Cho <y0.cho@samsung.com>
Date: Mon, 8 Apr 2024 11:34:54 +0000 (+0900)
Subject: halapi: Add function checking HAL compatibility
X-Git-Tag: accepted/tizen/unified/20240611.122614~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=49b72dd51fb6da6e10423ecdb7b63d1234680f9a;p=platform%2Fhal%2Fapi%2Fcommon.git

halapi: Add function checking HAL compatibility

int hal_common_check_backend_compatibility()
  : It checks compatibility of the given hal module.

Change-Id: I1f4e7a61b709b4bc364400a9ec7f6b920f4eb550
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>
---

diff --git a/include/hal-common.h b/include/hal-common.h
index 9a9dced..3ae6517 100644
--- a/include/hal-common.h
+++ b/include/hal-common.h
@@ -226,6 +226,15 @@ int hal_common_get_backend_library_names(enum hal_module module,
  */
 int hal_common_check_backend_compatibility_all(enum hal_common_backend_compatibility **arr_compatibility, int *len);
 
+/**
+ * @brief Check compatibility of the given module
+ * @param[in] module HAL module for checking compatibility
+ * @param[out] compatibility Address for storing compatibility result
+ * @return @c 0 on success, otherwise a negative error value
+ */
+int hal_common_check_backend_compatibility(enum hal_module module,
+	enum hal_common_backend_compatibility *compatibility);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/hal-api-compatibility-checker.c b/src/hal-api-compatibility-checker.c
index 660e4fb..f604b6d 100644
--- a/src/hal-api-compatibility-checker.c
+++ b/src/hal-api-compatibility-checker.c
@@ -410,25 +410,32 @@ static int load_backend_compatibility_from_storage(void)
 	return 0;
 }
 
-EXPORT
-int hal_common_check_backend_compatibility_all(enum hal_common_backend_compatibility **arr_compatibility, int *len)
+static int load_backend_compatibility(void)
 {
-	enum hal_common_backend_compatibility *arr = NULL;
-
 	if (g_compatibility_info_loaded)
-		goto load_success;
+		return 0;
 
 	load_backend_compatibility_from_storage();
 	if (g_compatibility_info_loaded)
-		goto load_success;
+		return 0;
 
 	load_backend_compatibility_from_manifest();
 	if (g_compatibility_info_loaded)
-		goto load_success;
+		return 0;
 
 	return -ENODATA;
+}
+
+EXPORT
+int hal_common_check_backend_compatibility_all(enum hal_common_backend_compatibility **arr_compatibility, int *len)
+{
+	int ret;
+	enum hal_common_backend_compatibility *arr = NULL;
+
+	ret = load_backend_compatibility();
+	if (ret != 0)
+		return ret;
 
-load_success:
 	if (access(HAL_COMMON_DEFAULT_BACKEND_COMPATIBILITY_PATH, F_OK) != 0)
 		store_backend_compatibility_to_storage();
 
@@ -451,3 +458,27 @@ load_success:
 
 	return 0;
 }
+
+EXPORT
+int hal_common_check_backend_compatibility(enum hal_module module,
+	enum hal_common_backend_compatibility *compatibility)
+{
+	int ret;
+
+	if (module < HAL_MODULE_UNKNOWN || module >= HAL_MODULE_END)
+		return -EINVAL;
+
+	if (!compatibility)
+		return -EINVAL;
+
+	ret = load_backend_compatibility();
+	if (ret != 0)
+		return ret;
+
+	if (access(HAL_COMMON_DEFAULT_BACKEND_COMPATIBILITY_PATH, F_OK) != 0)
+		store_backend_compatibility_to_storage();
+
+	*compatibility = g_compatibility_info[module].compat;
+
+	return 0;
+}