zs39 opened a new pull request, #17679:
URL: https://github.com/apache/nuttx/pull/17679
## Summary
This interface needs to be called in the libc library, but the interface is
implemented in the kernel, so this interface needs to be exposed
## Impact
The function's internal implementation was not modified, so it does not
affect the call.
## Testing
The following code executes correctly during testing.
```
/****************************************************************************
* apps/examples/hello/hello_main.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#ifdef CONFIG_NET_IPv6
#include <nuttx/net/ip.h>
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* hello_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
#ifdef CONFIG_NET_IPv6
/* Test case 1: Same subnet (should return true) */
net_ipv6addr_t addr1 = {0x2001, 0x0db8, 0x85a3, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7334};
net_ipv6addr_t addr2 = {0x2001, 0x0db8, 0x85a3, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7335};
net_ipv6addr_t mask = {0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000,
0x0000, 0x0000};
bool result1 = net_ipv6addr_maskcmp(addr1, addr2, mask);
printf("Test 1 - Same subnet: %s\n", result1 ? "PASS" : "FAIL");
/* Test case 2: Different subnet (should return false) */
net_ipv6addr_t addr3 = {0x2001, 0x0db8, 0x85a3, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7334};
net_ipv6addr_t addr4 = {0x2001, 0x0db8, 0x85a4, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7334};
bool result2 = net_ipv6addr_maskcmp(addr3, addr4, mask);
printf("Test 2 - Different subnet: %s\n", !result2 ? "PASS" : "FAIL");
/* Test case 3: Same address (should return true) */
net_ipv6addr_t addr5 = {0x2001, 0x0db8, 0x85a3, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7334};
net_ipv6addr_t addr6 = {0x2001, 0x0db8, 0x85a3, 0x0000, 0x0000, 0x8a2e,
0x0370, 0x7334};
net_ipv6addr_t mask_full = {0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff};
bool result3 = net_ipv6addr_maskcmp(addr5, addr6, mask_full);
printf("Test 3 - Same address: %s\n", result3 ? "PASS" : "FAIL");
printf("All tests completed!\n");
#else
printf("Hello, World!!\n");
printf("IPv6 support is not enabled (CONFIG_NET_IPv6)\n");
#endif
return 0;
}
```
The execution results are as follows
```
nsh> hello
Test 1 - Same subnet: PASS
Test 2 - Different subnet: PASS
Test 3 - Same address: PASS
All tests completed!
```
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