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...
...
...
#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_udp.h"
NX_CALLER_CHECKING_EXTERNS
...
...
UINT _nxe_udp_free_port_find(NX_IP *ip_ptr, UINT port, UINT *free_port_ptr)
{
UINT status;
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (free_port_ptr == NX_NULL))
{
return(NX_PTR_ERROR);
}if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (free_port_ptr == NX_NULL)) { ... }
if (!ip_ptr -> nx_ip_udp_packet_receive)
{
return(NX_NOT_ENABLED);
}if (!ip_ptr -> nx_ip_udp_packet_receive) { ... }
if ((!port) || (((ULONG)port) > (ULONG)NX_MAX_PORT))
{
return(NX_INVALID_PORT);
}if ((!port) || (((ULONG)port) > (ULONG)NX_MAX_PORT)) { ... }
NX_THREADS_ONLY_CALLER_CHECKING
status = _nx_udp_free_port_find(ip_ptr, port, free_port_ptr);
return(status);
}{ ... }