fix warnings returned by gcc v10.0

storage/connect/bson.cpp

@@ -1199,15 +1199,14 @@ void BJSON::SetArrayValue(PBVAL bap, PBVAL nvp, int n)
 {
   CheckType(bap, TYPE_JAR);
   int   i = 0;
-  PBVAL bvp = NULL, pvp = NULL;
+  PBVAL bvp = NULL;
 
   if (bap->To_Val)
     for (bvp = GetArray(bap); bvp; i++, bvp = GetNext(bvp))
       if (i == n) {
         SetValueVal(bvp, nvp);
         return;
-      } else
-        pvp = bvp;
+      }
 
   if (!bvp)
     AddArrayValue(bap, MOF(nvp));

storage/connect/bson.h

@@ -105,7 +105,7 @@ class BJSON : public BLOCK {
   PSZ   GetArrayText(PGLOBAL g, PBVAL bap, PSTRG text);
 	void  MergeArray(PBVAL bap1,PBVAL bap2);
 	bool  DeleteValue(PBVAL bap, int n);
-	void  AddArrayValue(PBVAL bap, OFFSET nvp = NULL, int* x = NULL);
+	void  AddArrayValue(PBVAL bap, OFFSET nvp = 0, int* x = NULL);
 	inline void AddArrayValue(PBVAL bap, PBVAL nvp = NULL, int* x = NULL)
 				{AddArrayValue(bap, MOF(nvp), x);}
 	void  SetArrayValue(PBVAL bap, PBVAL nvp, int n);

storage/connect/bsonudf.cpp

@@ -30,6 +30,8 @@
 int  IsArgJson(UDF_ARGS* args, uint i);
 void SetChanged(PBSON bsp);
 
+static PBSON BbinAlloc(PGLOBAL g, ulong len, PBVAL jsp);
+
 /* --------------------------------- JSON UDF ---------------------------------- */
 
 /*********************************************************************************/
@@ -50,7 +52,7 @@ inline void JsonFreeMem(PGLOBAL g) {
 /*********************************************************************************/
 /*  Allocate and initialize a BSON structure.                                    */
 /*********************************************************************************/
-PBSON BbinAlloc(PGLOBAL g, ulong len, PBVAL jsp)
+static PBSON BbinAlloc(PGLOBAL g, ulong len, PBVAL jsp)
 {
 	PBSON bsp = (PBSON)PlgDBSubAlloc(g, NULL, sizeof(BSON));
 
@@ -415,7 +417,7 @@ PSZ BJNX::MakeKey(UDF_ARGS *args, int i)
 			} // endif *s
 
 			if (n < 1)
-				return NewStr("Key");
+				return NewStr((PSZ)"Key");
 
 			if (!b) {
 				p = (PSZ)BsonSubAlloc(n + 1);
@@ -429,7 +431,7 @@ PSZ BJNX::MakeKey(UDF_ARGS *args, int i)
 		return NewStr((PSZ)s);
 	} // endif count
 
-	return NewStr("Key");
+	return NewStr((PSZ)"Key");
 } // end of MakeKey
 
 /*********************************************************************************/

storage/connect/filamtxt.cpp

@@ -1734,7 +1734,7 @@ bool BINFAM::OpenTableFile(PGLOBAL g) {
 	/*********************************************************************/
 	return AllocateBuffer(g);
 } // end of OpenTableFile
-#endif 0
+#endif // 0
 
 /***********************************************************************/
 /*  Allocate the line buffer. For mode Delete a bigger buffer has to   */

storage/connect/jsonudf.cpp

@@ -34,6 +34,8 @@ static char *bin_handle_item(UDF_INIT *initid, UDF_ARGS *args, char *result,
 static PJSON JsonNew(PGLOBAL g, JTYP type);
 static PJVAL JvalNew(PGLOBAL g, JTYP type, void *vp = NULL);
 static PJSNX JsnxNew(PGLOBAL g, PJSON jsp, int type, int len = 64);
+uint GetJsonGroupSize(void);
+static void SetChanged(PBSON bsp);
 
 uint JsonGrpSize = 10;
 
@@ -1155,7 +1157,7 @@ PBSON JbinAlloc(PGLOBAL g, UDF_ARGS *args, ulong len, PJSON jsp)
 /*********************************************************************************/
 /*  Set the BSON chain as changed.                                               */
 /*********************************************************************************/
-void SetChanged(PBSON bsp)
+static void SetChanged(PBSON bsp)
 {
 	if (bsp->Bsp)
 		SetChanged(bsp->Bsp);