Make sure epicsInt8 is signed on all architectures

modules/ca/src/client/comBuf.h

@@ -88,6 +88,7 @@ public:
     bool push ( const T & value );
     template < class T >
     unsigned push ( const T * pValue, unsigned nElem );
+    unsigned push ( const char * pValue, unsigned nElem );
     unsigned push ( const epicsInt8 * pValue, unsigned nElem );
     unsigned push ( const epicsUInt8 * pValue, unsigned nElem );
     unsigned push ( const epicsOldString * pValue, unsigned nElem );
@@ -208,6 +209,11 @@ inline unsigned comBuf :: push ( const epicsUInt8 *pValue, unsigned nElem )
     return copyInBytes ( pValue, nElem );
 }
 
+inline unsigned comBuf :: push ( const char *pValue, unsigned nElem )
+{
+    return copyInBytes ( pValue, nElem );
+}
+
 inline unsigned comBuf :: push ( const epicsOldString * pValue, unsigned nElem )
 {
     unsigned index = this->nextWriteIndex;

modules/ca/src/client/comQueRecv.cpp

@@ -46,7 +46,7 @@ void comQueRecv::clear ()
     this->nBytesPending = 0u;
 }
 
-unsigned comQueRecv::copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes )
+unsigned comQueRecv::copyOutBytes ( char *pBuf, unsigned nBytes )
 {
     unsigned totalBytes = 0u;
     do {

modules/ca/src/client/comQueRecv.h

@@ -33,7 +33,7 @@ public:
     comQueRecv ( comBufMemoryManager & );
     ~comQueRecv ();
     unsigned occupiedBytes () const;
-    unsigned copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes );
+    unsigned copyOutBytes ( char *pBuf, unsigned nBytes );
     unsigned removeBytes ( unsigned nBytes );
     void pushLastComBufReceived ( comBuf & );
     void clear ();