minimize preprocessor branching for vxWorks

pvAccessApp/remote/blockingTCPTransport.cpp

@@ -30,10 +30,6 @@
 typedef SSIZE_T ssize_t;
 #endif
 
-#ifdef __vxworks
-#define INT64_MAX (0x7fffffffffffffffLL)
-#endif
-
 using namespace epics::pvData;
 
 using std::max;

pvAccessApp/remote/blockingUDPTransport.cpp

@@ -26,6 +26,13 @@ using namespace std;
 namespace epics {
     namespace pvAccess {
 
+#ifdef __vxworks
+inline int sendto(int s, const char *buf, size_t len, int flags, const struct sockaddr *to, int tolen)
+{
+    return ::sendto(s, const_cast<char*>(buf), len, flags, const_cast<struct sockaddr *>(to), tolen);
+}
+#endif
+
         PVACCESS_REFCOUNT_MONITOR_DEFINE(blockingUDPTransport);
 
         BlockingUDPTransport::BlockingUDPTransport(
@@ -295,17 +302,8 @@ namespace epics {
         bool BlockingUDPTransport::send(ByteBuffer* buffer, const osiSockAddr& address) {
 
             buffer->flip();
-            int retval = sendto(_channel,
-#ifdef __vxworks
-            		(char *)
-#endif
-            		buffer->getArray(),
-                    buffer->getLimit(), 0,
-#ifdef __vxworks
-                    (sockaddr*)
-#endif
-                    &(address.sa), sizeof(sockaddr));
-
+            int retval = sendto(_channel, buffer->getArray(),
+                    buffer->getLimit(), 0, &(address.sa), sizeof(sockaddr));
             if(unlikely(retval<0))
             {
                 char errStr[64];
@@ -324,16 +322,8 @@ namespace epics {
 
             bool allOK = true;
             for(size_t i = 0; i<_sendAddresses->size(); i++) {
-                int retval = sendto(_channel,
-#ifdef __vxworks
-                		(char *)
-#endif
-                		buffer->getArray(),
-                        buffer->getLimit(), 0,
-#ifdef __vxworks
-                        (sockaddr*)
-#endif
-                        &((*_sendAddresses)[i].sa),
+                int retval = sendto(_channel, buffer->getArray(),
+                        buffer->getLimit(), 0, &((*_sendAddresses)[i].sa),
                         sizeof(sockaddr));
                 if(unlikely(retval<0))
                 {

pvAccessApp/remote/channelSearchManager.h

@@ -10,11 +10,6 @@
 #include <pv/remote.h>
 #include <osiSock.h>
 
-#ifndef __vxworks
-/* why not use pvType.h here? */
-#include <stdint.h>
-#endif
-
 namespace epics {
 namespace pvAccess {