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FreeRTOS-Plus-TCP/source/include/FreeRTOS_DNS_Cache.h
Monika Singh 9a955f27ac Add changes for Coverity fix (#729)
* Fix Coverity issues

* Fix Misra 4.4 violation:The comment resembles a code snippet

* Misra: Rule 10.4 violations

* Misra: Rule 11.8 violations

* Misra: Rule 12.1 violations

* Misra: Rule 8.2, 8.4, 8.5, and 8.9 violations

* Misra: Rule 5.3, 5.8, 21.1 and 21.2  violations

* Misra: Rule 5.7 violations

* Misra: Rule 8.3 violations

* Misra: Rule Reverse NULL violations

* Misra: Rule 10.3, 10.8 and 8.13 violations

* Fix 11.3 and suppress 11.4

* Misra: Rule 14.3, 15.7, 17.2 and 17.7 violations

* Misra: Rule 2.2 and 2.7 violation

* Misra: Rule 21.6, 8.5 and 8.13 violation

* Fix UT compilation

* Update comments

* Fix Spell checker

* Update snprintf
2023-02-28 12:55:20 +05:30

70 lines
2.7 KiB
C

/*
* FreeRTOS+TCP <DEVELOPMENT BRANCH>
* Copyright (C) 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://github.com/FreeRTOS
* https://www.FreeRTOS.org
*/
#ifndef FREERTOS_DNS_CACHE_H
#define FREERTOS_DNS_CACHE_H
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "FreeRTOS_DNS_Globals.h"
/* Standard includes. */
#include <stdint.h>
#if ( ( ipconfigUSE_DNS_CACHE == 1 ) && ( ipconfigUSE_DNS != 0 ) )
/* Look for the indicated host name in the DNS cache. Returns the IPv4
* address if present, or 0x0 otherwise. */
uint32_t FreeRTOS_dnslookup( const char * pcHostName );
void FreeRTOS_dnsclear( void );
/**
* @brief For debugging only: prints the contents of the DNS cache table.
*/
void vShowDNSCacheTable( void );
BaseType_t FreeRTOS_dns_update( const char * pcName,
IPv46_Address_t * pxIP,
uint32_t ulTTL,
BaseType_t xLookUp,
struct freertos_addrinfo ** ppxAddressInfo );
BaseType_t FreeRTOS_ProcessDNSCache( const char * pcName,
IPv46_Address_t * pxIP,
uint32_t ulTTL,
BaseType_t xLookUp,
struct freertos_addrinfo ** ppxAddressInfo );
uint32_t Prepare_CacheLookup( const char * pcHostName,
BaseType_t xFamily,
struct freertos_addrinfo ** ppxAddressInfo );
#endif /* if ( ipconfigUSE_DNS_CACHE == 1 ) */
#endif /* ifndef FREERTOS_DNS_CACHE_H */