31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
#define ensure_memory_is_valid( px, length ) ( px != NULL ) && __CPROVER_w_ok( ( px ), length )
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/* Implementation of safe malloc which returns NULL if the requested size is 0.
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* Warning: The behavior of malloc(0) is platform dependent.
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* It is possible for malloc(0) to return an address without allocating memory.*/
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void * safeMalloc( size_t xWantedSize )
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{
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return nondet_bool() ? malloc( xWantedSize ) : NULL;
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}
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/* Memory assignment for FreeRTOS_Socket_t */
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FreeRTOS_Socket_t * ensure_FreeRTOS_Socket_t_is_allocated()
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{
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FreeRTOS_Socket_t * pxSocket = safeMalloc( sizeof( FreeRTOS_Socket_t ) );
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if( ensure_memory_is_valid( pxSocket, sizeof( FreeRTOS_Socket_t ) ) )
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{
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pxSocket->u.xTCP.rxStream = safeMalloc( sizeof( StreamBuffer_t ) );
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pxSocket->u.xTCP.txStream = safeMalloc( sizeof( StreamBuffer_t ) );
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pxSocket->u.xTCP.pxPeerSocket = safeMalloc( sizeof( FreeRTOS_Socket_t ) );
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}
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return pxSocket;
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}
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/* Memory assignment for FreeRTOS_Network_Buffer */
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NetworkBufferDescriptor_t * ensure_FreeRTOS_NetworkBuffer_is_allocated()
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{
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return safeMalloc( sizeof( NetworkBufferDescriptor_t ) );
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}
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