mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-16 01:37:45 -04:00
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* Standard includes. */
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#include <stdint.h>
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#include <stdio.h>
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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/* FreeRTOS+TCP includes. */
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#include "FreeRTOS_IP.h"
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#include "FreeRTOS_Sockets.h"
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#include "FreeRTOS_IP_Private.h"
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#include "FreeRTOS_UDP_IP.h"
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#include "FreeRTOS_TCP_IP.h"
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#include "FreeRTOS_DHCP.h"
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#include "NetworkInterface.h"
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#include "NetworkBufferManagement.h"
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#include "FreeRTOS_ARP.h"
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#include "FreeRTOS_TCP_WIN.h"
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// Used to model FreeRTOS_recvfrom returning an arbitrary buffer
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char read_buffer[BUFFER_SIZE];
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BaseType_t prvProcessDHCPReplies( BaseType_t xExpectedMessageType );
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// Stub
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int32_t FreeRTOS_recvfrom(
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Socket_t xSocket, void *pvBuffer, size_t xBufferLength,
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BaseType_t xFlags, struct freertos_sockaddr *pxSourceAddress,
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socklen_t *pxSourceAddressLength )
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{
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__CPROVER_assert(xFlags & FREERTOS_ZERO_COPY, "I can only do ZERO_COPY");
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// Choose buffer size
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size_t offset;
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size_t buffer_size = BUFFER_SIZE - offset;
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char *buffer = read_buffer + offset;
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__CPROVER_assume(offset <= BUFFER_SIZE);
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// Choose buffer contents
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// __CPROVER_havoc_object may not interact well with simplifier
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char temporary[BUFFER_SIZE];
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memcpy(read_buffer, temporary, BUFFER_SIZE);
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*((char **)pvBuffer) = buffer;
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return buffer_size;
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}
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// Stub
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void FreeRTOS_ReleaseUDPPayloadBuffer( void *pvBuffer )
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{
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// no-op
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}
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void harness() {
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// Omitting model of an unconstrained xDHCPData because xDHCPData is
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// the source of uninitialized data only on line 647 to set a
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// transaction id is an outgoing message
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BaseType_t xExpectedMessageType;
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prvProcessDHCPReplies(xExpectedMessageType);
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}
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