!5678 merge feat/ndk-getlocaldevicename-c-abi into master

feat: add C ABI OH_DeviceManager_GetLocalDeviceNameC

Created-by: dyylll
Commit-by: daiyunlong
Merged-by: openharmony_ci
Description: ### 相关的Issue
https://gitcode.com/openharmony/interface_sdk_c/issues/4440

### 原因（目的、解决的问题等）


### 描述（做了什么，变更了什么）


### 自检结果（结果截图添加到下面）
- [x] 是否通过C语法扫描
- [x] 是否通过注释规则扫描
- [x] 是否更新json文件
- [x] 实现代码是否已经合入
- [x] 目标是否已经添加到interface/sdk_c仓ndk依赖目标(ndk_targets.gni)里
- [x] 头文件library声明与SDK so库名称一致

### 兼容性影响评估，如有影响请写明（Y/N）
- [ ] 不兼容
  - [ ] 是否经过评审

### L0新增用例自检结果
- [ ] 是，有新增L0用例，且完成自检
- [x] 否

### API参考文档影响评估（提供docs仓pr链接）
- [ ] 是，已刷新API参考文档
- [x] 否，不涉及刷新API参考文档

See merge request: openharmony/interface_sdk_c!5678

distributedhardware/device_manager/include/oh_device_manager.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Copyright (c) 2025-2026 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -40,6 +40,31 @@
 
 #ifdef __cplusplus
 extern "C" {
+/**
+  * @brief Obtains the display name of the local device.
+  * The device display name involves user privacy.
+  * You need to provide a privacy statement to declare the purpose of the device display name.
+  *
+  * @permission ohos.permission.READ_LOCAL_DEVICE_NAME
+  * @param localDeviceName Pointer to the display name of the local device.
+  *     After using this API, you need to manually release resources to free up space.
+  *     If the application has the ohos.permission.READ_LOCAL_DEVICE_NAME permission,
+  *     the device display name is returned.
+  *     Otherwise, the default device name is returned.
+  * @param len Character length of the display name of the local device.
+  * @return Error code. For details about the error code definitions, see {@link DeviceManager_ErrorCode}.
+  *      Returns {@link ERR_OK} is returned if the execution is successful.
+  *      Returns {@link DM_ERR_FAILED} is returned if the function fails to be executed.
+  *      Returns {@link DM_ERR_OBTAIN_SERVICE} is returned if the device management service fails to be obtained.
+  *      Returns {@link DM_ERR_OBTAIN_BUNDLE_NAME} is returned if the bundle name fails to be obtained.
+  *      Returns {@link ERR_INVALID_PARAMETER} is returned if the localDeviceName is nullptr or
+  *                                            *localDeviceName is not nullptr.
+  * @since 20
+  * @deprecated since 26.0.0
+  * @useinstead OH_DeviceManager_GetLocalDeviceNameC
+  */
+int32_t OH_DeviceManager_GetLocalDeviceName(char **localDeviceName, unsigned int &len);
+
 #endif
 
 /**
@@ -53,17 +78,18 @@ extern "C" {
   *     If the application has the ohos.permission.READ_LOCAL_DEVICE_NAME permission,
   *     the device display name is returned.
   *     Otherwise, the default device name is returned.
-  * @param len Length of the display name of the local device.
+  * @param len Pointer to the length of the display name of the local device.
+  *     After using this API, you need to manually release resources to free up space.
   * @return Error code. For details about the error code definitions, see {@link DeviceManager_ErrorCode}.
   *      Returns {@link ERR_OK} is returned if the execution is successful.
   *      Returns {@link DM_ERR_FAILED} is returned if the function fails to be executed.
   *      Returns {@link DM_ERR_OBTAIN_SERVICE} is returned if the device management service fails to be obtained.
   *      Returns {@link DM_ERR_OBTAIN_BUNDLE_NAME} is returned if the bundle name fails to be obtained.
   *      Returns {@link ERR_INVALID_PARAMETER} is returned if the localDeviceName is nullptr or
-  *                                            *localDeviceName is not nullptr.
-  * @since 20
+  *                                            *localDeviceName is not nullptr or len is nullptr.
+  * @since 26.0.0
   */
-int32_t OH_DeviceManager_GetLocalDeviceName(char **localDeviceName, unsigned int &len);
+int32_t OH_DeviceManager_GetLocalDeviceNameC(char **localDeviceName, unsigned int *len);
 
 #ifdef __cplusplus
 };

distributedhardware/device_manager/libdevicemanager.ndk.json

@@ -2,5 +2,9 @@
     {
         "first_introduced": "20",
         "name": "OH_DeviceManager_GetLocalDeviceName"
+    },
+    {
+        "first_introduced": "26.0.0",
+        "name": "OH_DeviceManager_GetLocalDeviceNameC"
     }
-]
+]