Fixing MDEV-12149: compile errors on Windows with /Zc:strictStrings

Introduce typedef PCSZ and replace PSZ by it where it matters
All done on CONNECT but compile still fails because of an included system file
  modified:   storage/connect/array.cpp
  modified:   storage/connect/catalog.h
  modified:   storage/connect/colblk.cpp
  modified:   storage/connect/colblk.h
  modified:   storage/connect/domdoc.cpp
  modified:   storage/connect/domdoc.h
  modified:   storage/connect/filamdbf.cpp
  modified:   storage/connect/filamdbf.h
  modified:   storage/connect/filamfix.cpp
  modified:   storage/connect/filamgz.cpp
  modified:   storage/connect/filamvct.cpp
  modified:   storage/connect/filamvct.h
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/ha_connect.h
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/jdbconn.h
  modified:   storage/connect/json.cpp
  modified:   storage/connect/json.h
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/jsonudf.h
  modified:   storage/connect/libdoc.cpp
  modified:   storage/connect/macutil.cpp
  modified:   storage/connect/myconn.cpp
  modified:   storage/connect/myutil.cpp
  modified:   storage/connect/myutil.h
  modified:   storage/connect/odbconn.cpp
  modified:   storage/connect/odbconn.h
  modified:   storage/connect/plgdbsem.h
  modified:   storage/connect/plgdbutl.cpp
  modified:   storage/connect/plgxml.cpp
  modified:   storage/connect/plgxml.h
  modified:   storage/connect/plugutil.cpp
  modified:   storage/connect/preparse.h
  modified:   storage/connect/reldef.cpp
  modified:   storage/connect/reldef.h
  modified:   storage/connect/tabdos.cpp
  modified:   storage/connect/tabdos.h
  modified:   storage/connect/tabext.cpp
  modified:   storage/connect/tabext.h
  modified:   storage/connect/tabfix.cpp
  modified:   storage/connect/tabfix.h
  modified:   storage/connect/tabfmt.cpp
  modified:   storage/connect/tabfmt.h
  modified:   storage/connect/tabjdbc.cpp
  modified:   storage/connect/tabjdbc.h
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/table.cpp
  modified:   storage/connect/tabmac.cpp
  modified:   storage/connect/tabmgo.cpp
  modified:   storage/connect/tabmul.cpp
  modified:   storage/connect/tabmul.h
  modified:   storage/connect/tabmysql.cpp
  modified:   storage/connect/tabmysql.h
  modified:   storage/connect/tabodbc.cpp
  modified:   storage/connect/tabodbc.h
  modified:   storage/connect/tabpivot.cpp
  modified:   storage/connect/tabpivot.h
  modified:   storage/connect/tabsys.cpp
  modified:   storage/connect/tabsys.h
  modified:   storage/connect/tabutil.cpp
  modified:   storage/connect/tabutil.h
  modified:   storage/connect/tabvir.cpp
  modified:   storage/connect/tabvir.h
  modified:   storage/connect/tabxml.cpp
  modified:   storage/connect/tabxml.h
  modified:   storage/connect/tabzip.cpp
  modified:   storage/connect/tabzip.h
  modified:   storage/connect/valblk.cpp
  modified:   storage/connect/valblk.h
  modified:   storage/connect/value.cpp
  modified:   storage/connect/value.h
  modified:   storage/connect/xindex.cpp
  modified:   storage/connect/xobject.cpp
  modified:   storage/connect/xobject.h
  modified:   storage/connect/xtable.h

storage/connect/array.cpp

@@ -977,7 +977,7 @@ PSZ ARRAY::MakeArrayList(PGLOBAL g)
   size_t  z, len = 2;
 
   if (Type == TYPE_LIST)
-    return "(?" "?" "?)";             // To be implemented
+    return (PSZ)("(?" "?" "?)");             // To be implemented
 
   z = MY_MAX(24, GetTypeSize(Type, Len) + 4);
   tp = (char*)PlugSubAlloc(g, NULL, z);

storage/connect/catalog.h

@@ -36,7 +36,7 @@ typedef struct _curtab {
 /*  Defines the structure used to get column catalog info.             */
 /***********************************************************************/
 typedef struct _colinfo {
-  char  *Name;
+  PCSZ   Name;
   int    Type;
   int    Offset;
   int    Length;
@@ -45,9 +45,9 @@ typedef struct _colinfo {
   int    Scale;
   int    Opt;
   int    Freq;
-  char  *Remark;
+  PCSZ   Remark;
-  char  *Datefmt;
+  PCSZ   Datefmt;
-  char  *Fieldfmt;
+  PCSZ   Fieldfmt;
   ushort Flags;         // Used by MariaDB CONNECT handlers
   } COLINFO, *PCOLINFO;
 

storage/connect/colblk.cpp

@@ -377,7 +377,7 @@ PRTBLK::PRTBLK(PCOLUMN cp) : SPCBLK(cp)
 void PRTBLK::ReadColumn(PGLOBAL g)
   {
   if (Pname == NULL) {
-    char   *p;
+    const char *p;
 
     Pname = To_Tdb->GetDef()->GetStringCatInfo(g, "partname", "?");
     p = strrchr(Pname, '#');
@@ -407,7 +407,7 @@ SIDBLK::SIDBLK(PCOLUMN cp) : SPCBLK(cp)
 void SIDBLK::ReadColumn(PGLOBAL)
   {
 //if (Sname == NULL) {
-    Sname = (char*)To_Tdb->GetServer();
+    Sname = To_Tdb->GetServer();
     Value->SetValue_psz(Sname);
 //  } // endif Sname
 

storage/connect/colblk.h

@@ -178,7 +178,7 @@ class DllExport TIDBLK : public SPCBLK {
   TIDBLK(void) {}
 
   // Members
-  PSZ  Tname;                       // The current table name
+  PCSZ  Tname;                      // The current table name
   }; // end of class TIDBLK
 
 /***********************************************************************/
@@ -201,7 +201,7 @@ class DllExport PRTBLK : public SPCBLK {
   PRTBLK(void) {}
 
   // Members
-  PSZ  Pname;                       // The current partition name
+  PCSZ  Pname;                      // The current partition name
   }; // end of class PRTBLK
 
 /***********************************************************************/
@@ -224,7 +224,7 @@ class DllExport SIDBLK : public SPCBLK {
   SIDBLK(void) {}
 
   // Members
-  PSZ  Sname;                       // The current server name
+  PCSZ  Sname;                      // The current server name
   }; // end of class SIDBLK
 
 #endif // __COLBLK__H

storage/connect/domdoc.cpp

@@ -155,7 +155,7 @@ PFBLOCK DOMDOC::LinkXblock(PGLOBAL g, MODE m, int rc, char *fn)
 /******************************************************************/
 /* Create the XML node.                                           */
 /******************************************************************/
-bool DOMDOC::NewDoc(PGLOBAL g, char *ver)
+bool DOMDOC::NewDoc(PGLOBAL g, PCSZ ver)
   {
   char buf[64];
   MSXML2::IXMLDOMProcessingInstructionPtr pip;
@@ -490,9 +490,9 @@ PXATTR DOMNODE::GetAttribute(PGLOBAL g, char *name, PXATTR ap)
 /******************************************************************/
 /*  Add a new element child node to this node and return it.      */
 /******************************************************************/
-PXNODE DOMNODE::AddChildNode(PGLOBAL g, char *name, PXNODE np)
+PXNODE DOMNODE::AddChildNode(PGLOBAL g, PCSZ name, PXNODE np)
   {
-  char *p, *pn;
+  const char *p, *pn;
 //  char *p, *pn, *epf, *pf = NULL;
   MSXML2::IXMLDOMNodePtr ep;
 //  _bstr_t   uri((wchar_t*)NULL);
@@ -585,7 +585,7 @@ PXATTR DOMNODE::AddProperty(PGLOBAL g, char *name, PXATTR ap)
 /******************************************************************/
 /*  Add a new text node to this node.                             */
 /******************************************************************/
-void DOMNODE::AddText(PGLOBAL g, char *txtp)
+void DOMNODE::AddText(PGLOBAL g, PCSZ txtp)
   {
   MSXML2::IXMLDOMTextPtr tp= Docp->createTextNode((_bstr_t)txtp);
 

storage/connect/domdoc.h

@@ -39,7 +39,7 @@ class DOMDOC : public XMLDOCUMENT {
   // Methods
 	virtual bool    Initialize(PGLOBAL g, PCSZ entry, bool zipped);
   virtual bool    ParseFile(PGLOBAL g, char *fn);
-  virtual bool    NewDoc(PGLOBAL g, char *ver);
+  virtual bool    NewDoc(PGLOBAL g, PCSZ ver);
   virtual void    AddComment(PGLOBAL g, char *com);
   virtual PXNODE  GetRoot(PGLOBAL g);
   virtual PXNODE  NewRoot(PGLOBAL g, char *name);
@@ -78,9 +78,9 @@ class DOMNODE : public XMLNODE {
   virtual PXLIST SelectNodes(PGLOBAL g, char *xp, PXLIST lp);
   virtual PXNODE SelectSingleNode(PGLOBAL g, char *xp, PXNODE np);
   virtual PXATTR GetAttribute(PGLOBAL g, char *name, PXATTR ap);
-  virtual PXNODE AddChildNode(PGLOBAL g, char *name, PXNODE np);
+  virtual PXNODE AddChildNode(PGLOBAL g, PCSZ name, PXNODE np);
   virtual PXATTR AddProperty(PGLOBAL g, char *name, PXATTR ap);
-  virtual void   AddText(PGLOBAL g, char *txtp);
+  virtual void   AddText(PGLOBAL g, PCSZ txtp);
   virtual void   DeleteChild(PGLOBAL g, PXNODE dnp);
 
  protected:

storage/connect/filamdbf.cpp

@@ -186,7 +186,7 @@ static int dbfhead(PGLOBAL g, FILE *file, PCSZ fn, DBFHEADER *buf)
 /*  DBFColumns: constructs the result blocks containing the description     */
 /*  of all the columns of a DBF file that will be retrieved by #GetData.    */
 /****************************************************************************/
-PQRYRES DBFColumns(PGLOBAL g, char *dp, const char *fn, bool info)
+PQRYRES DBFColumns(PGLOBAL g, PCSZ dp, PCSZ fn, bool info)
   {
   int  buftyp[] = {TYPE_STRING, TYPE_SHORT, TYPE_STRING,
                    TYPE_INT,    TYPE_INT,   TYPE_SHORT};
@@ -393,7 +393,7 @@ DBFBASE::DBFBASE(DBFBASE *txfp)
 /*  and header length. Set Records, check that Reclen is equal to lrecl and */
 /*  return the header length or 0 in case of error.                         */
 /****************************************************************************/
-int DBFBASE::ScanHeader(PGLOBAL g, PCSZ fn, int lrecl, int *rln, PSZ defpath)
+int DBFBASE::ScanHeader(PGLOBAL g, PCSZ fn, int lrecl, int *rln, PCSZ defpath)
   {
   int       rc;
   char      filename[_MAX_PATH];

storage/connect/filamdbf.h

@@ -19,7 +19,7 @@ typedef class DBMFAM  *PDBMFAM;
 /****************************************************************************/
 /*  Functions used externally.                                              */
 /****************************************************************************/
-PQRYRES DBFColumns(PGLOBAL g, char *dp, const char *fn, bool info);
+PQRYRES DBFColumns(PGLOBAL g, PCSZ dp, PCSZ fn, bool info);
 
 /****************************************************************************/
 /*  This is the base class for dBASE file access methods.                   */
@@ -31,7 +31,7 @@ class DllExport DBFBASE {
   DBFBASE(PDBF txfp);
 
   // Implementation
-  int  ScanHeader(PGLOBAL g, PCSZ fname, int lrecl, int *rlen, PSZ defpath);
+  int  ScanHeader(PGLOBAL g, PCSZ fname, int lrecl, int *rlen, PCSZ defpath);
 
  protected:
   // Default constructor, not to be used

storage/connect/filamfix.cpp

@@ -761,7 +761,8 @@ bool BGXFAM::BigWrite(PGLOBAL g, HANDLE h, void *inbuf, int req)
     htrc("after write req=%d brc=%d nbw=%d\n", req, brc, nbw);
 
   if (!brc || nbw != len) {
-    char buf[256], *fn = (h == Hfile) ? To_File : "Tempfile";
+		char buf[256];
+		PCSZ fn = (h == Hfile) ? To_File : "Tempfile";
 
     if (brc)
       strcpy(buf, MSG(BAD_BYTE_NUM));

storage/connect/filamgz.cpp

@@ -920,7 +920,7 @@ int ZLBFAM::GetFileLength(PGLOBAL g)
 /***********************************************************************/
 bool ZLBFAM::AllocateBuffer(PGLOBAL g)
   {
-  char *msg;
+  PCSZ msg;
   int  n, zrc;
 
 #if 0

storage/connect/filamvct.cpp

@@ -880,7 +880,8 @@ int VCTFAM::DeleteRecords(PGLOBAL g, int irc)
 /***********************************************************************/
 bool VCTFAM::OpenTempFile(PGLOBAL g)
   {
-  char *opmode, tempname[_MAX_PATH];
+  PCSZ  opmode;
+	char  tempname[_MAX_PATH];
 	bool  rc = false;
 
   /*********************************************************************/
@@ -1998,7 +1999,7 @@ bool VECFAM::OpenTableFile(PGLOBAL g)
 /***********************************************************************/
 /*  Open the file corresponding to one column.                         */
 /***********************************************************************/
-bool VECFAM::OpenColumnFile(PGLOBAL g, char *opmode, int i)
+bool VECFAM::OpenColumnFile(PGLOBAL g, PCSZ opmode, int i)
   {
   char    filename[_MAX_PATH];
   PDBUSER dup = PlgGetUser(g);
@@ -3143,7 +3144,8 @@ bool BGVFAM::BigWrite(PGLOBAL g, HANDLE h, void *inbuf, int req)
     htrc("after write req=%d brc=%d nbw=%d\n", req, brc, nbw);
 
   if (!brc || nbw != len) {
-    char buf[256], *fn = (h == Hfile) ? To_File : "Tempfile";
+		char buf[256];
+		PCSZ fn = (h == Hfile) ? To_File : "Tempfile";
 
     if (brc)
       strcpy(buf, MSG(BAD_BYTE_NUM));
@@ -3329,7 +3331,7 @@ bool BGVFAM::MakeEmptyFile(PGLOBAL g, PCSZ fn)
   PlugSetPath(filename, fn, Tdbp->GetPath());
 
 #if defined(__WIN__)
-  char         *p;
+  PCSZ          p;
   DWORD         rc;
   bool          brc;
   LARGE_INTEGER of;

storage/connect/filamvct.h

@@ -160,7 +160,7 @@ class DllExport VECFAM : public VCTFAM {
   virtual bool MoveLines(PGLOBAL g);
   virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL);
   virtual int  RenameTempFile(PGLOBAL g);
-          bool OpenColumnFile(PGLOBAL g, char *opmode, int i);
+          bool OpenColumnFile(PGLOBAL g, PCSZ opmode, int i);
 
   // Members
   FILE*   *Streams;             // Points to Dos file structure array

storage/connect/ha_connect.cc

@@ -1972,7 +1972,8 @@ int ha_connect::CloseTable(PGLOBAL g)
 /***********************************************************************/
 int ha_connect::MakeRecord(char *buf)
 {
-  char          *p, *fmt, val[32];
+	PCSZ           fmt;
+  char          *p, val[32];
   int            rc= 0;
   Field*        *field;
   Field         *fp;
@@ -2108,7 +2109,7 @@ int ha_connect::ScanRecord(PGLOBAL g, uchar *)
 {
   char    attr_buffer[1024];
   char    data_buffer[1024];
-  char   *fmt;
+  PCSZ    fmt;
   int     rc= 0;
   PCOL    colp;
   PVAL    value, sdvalin;
@@ -4234,16 +4235,16 @@ bool ha_connect::check_privileges(THD *thd, PTOS options, char *dbn, bool quick)
     case TAB_JSON:
 			if (options->filename && *options->filename) {
 				if (!quick) {
-        char *s, path[FN_REFLEN], dbpath[FN_REFLEN];
+					char path[FN_REFLEN], dbpath[FN_REFLEN];
-#if defined(__WIN__)
+
-        s= "\\";
-#else   // !__WIN__
-        s= "/";
-#endif  // !__WIN__
  					strcpy(dbpath, mysql_real_data_home);
 
 					if (db)
-          strcat(strcat(dbpath, db), s);
+#if defined(__WIN__)
+						strcat(strcat(dbpath, db), "\\");
+#else   // !__WIN__
+						strcat(strcat(dbpath, db), "/");
+#endif  // !__WIN__
 
 					(void)fn_format(path, options->filename, dbpath, "",
 						MY_RELATIVE_PATH | MY_UNPACK_FILENAME);
@@ -5597,7 +5598,8 @@ static int connect_assisted_discovery(handlerton *, THD* thd,
 		} // endif src
 
 		if (ok) {
-			char   *cnm, *rem, *dft, *xtra, *key, *fmt;
+			const char *cnm, *rem;
+			char *dft, *xtra, *key, *fmt;
 			int   i, len, prec, dec, typ, flg;
 
 			if (!(dpath = SetPath(g, table_s->db.str))) {
@@ -6583,7 +6585,8 @@ bool ha_connect::FileExists(const char *fn, bool bf)
     return true;
 
   if (table) {
-    char *s, tfn[_MAX_PATH], filename[_MAX_PATH], path[_MAX_PATH];
+    const char *s;
+		char  tfn[_MAX_PATH], filename[_MAX_PATH], path[_MAX_PATH];
 		bool  b= false;
     int   n;
     struct stat info;

storage/connect/ha_connect.h

@@ -187,8 +187,8 @@ public:
   PXOS     GetIndexOptionStruct(KEY *kp);
   PIXDEF   GetIndexInfo(TABLE_SHARE *s= NULL);
   bool     CheckVirtualIndex(TABLE_SHARE *s);
-  const char *GetDBName(PCSZ name);
+  PCSZ     GetDBName(PCSZ name);
-  const char *GetTableName(void);
+  PCSZ     GetTableName(void);
   char    *GetPartName(void);
 //int      GetColNameLen(Field *fp);
 //char    *GetColName(Field *fp);
@@ -197,7 +197,7 @@ public:
   bool     IsSameIndex(PIXDEF xp1, PIXDEF xp2);
   bool     IsPartitioned(void);
   bool     IsUnique(uint n);
-  char    *GetDataPath(void) {return (char*)datapath;}
+  PCSZ     GetDataPath(void) {return datapath;}
 
   bool     SetDataPath(PGLOBAL g, PCSZ path);
   PTDB     GetTDB(PGLOBAL g);
@@ -513,7 +513,7 @@ protected:
   ulong         hnum;                 // The number of this handler
   query_id_t    valid_query_id;       // The one when tdbp was allocated
   query_id_t    creat_query_id;       // The one when handler was allocated
-  char         *datapath;             // Is the Path of DB data directory
+  PCSZ          datapath;             // Is the Path of DB data directory
   PTDB          tdbp;                 // To table class object
   PVAL          sdvalin1;             // Used to convert date values
   PVAL          sdvalin2;             // Used to convert date values

storage/connect/jdbconn.cpp

@@ -1845,7 +1845,7 @@ bool JDBConn::SetParam(JDBCCOL *colp)
 		PGLOBAL& g = m_G;
 //	void    *buffer;
 		int      i, ncol;
-		PSZ      fnc = "Unknown";
+		PCSZ     fnc = "Unknown";
 		uint     n;
 		short    len, tp;
 		int      crow = 0;

storage/connect/jdbconn.h

@@ -174,16 +174,10 @@ protected:
 	jmethodID timfldid;									// The TimeField method ID
 	jmethodID tspfldid;									// The TimestampField method ID
 	jmethodID bigfldid;									// The BigintField method ID
-	//DWORD     m_LoginTimeout;
+	PCSZ      Msg;
-//DWORD     m_QueryTimeout;
-//DWORD     m_UpdateOptions;
-	char     *Msg;
 	char     *m_Wrap;
 	char      m_IDQuoteChar[2];
-//PSZ       m_Driver;
+	PCSZ      m_Pwd;
-//PSZ       m_Url;
-//PSZ       m_User;
-	PSZ       m_Pwd;
   int       m_Ncol;
 	int       m_Aff;
 	int       m_Rows;

storage/connect/json.cpp

@@ -936,7 +936,7 @@ return false;
 /***********************************************************************/
 /* Add a new pair to an Object.                                        */
 /***********************************************************************/
-PJPR JOBJECT::AddPair(PGLOBAL g, PSZ key)
+PJPR JOBJECT::AddPair(PGLOBAL g, PCSZ key)
 {
   PJPR jpp = new(g) JPAIR(key);
 
@@ -1022,7 +1022,7 @@ bool JOBJECT::Merge(PGLOBAL g, PJSON jsp)
 /***********************************************************************/
 /* Set or add a value corresponding to the given key.                  */
 /***********************************************************************/
-void JOBJECT::SetValue(PGLOBAL g, PJVAL jvp, PSZ key)
+void JOBJECT::SetValue(PGLOBAL g, PJVAL jvp, PCSZ key)
 {
 	PJPR jp;
 
@@ -1042,7 +1042,7 @@ void JOBJECT::SetValue(PGLOBAL g, PJVAL jvp, PSZ key)
 /***********************************************************************/
 /* Delete a value corresponding to the given key.                  */
 /***********************************************************************/
-void JOBJECT::DeleteKey(PSZ key)
+void JOBJECT::DeleteKey(PCSZ key)
 {
 	PJPR jp, *pjp = &First;
 
@@ -1221,10 +1221,10 @@ JVALUE::JVALUE(PGLOBAL g, PVAL valp) : JSON()
 /***********************************************************************/
 /* Constructor for a given string.                                     */
 /***********************************************************************/
-JVALUE::JVALUE(PGLOBAL g, PSZ strp) : JSON()
+JVALUE::JVALUE(PGLOBAL g, PCSZ strp) : JSON()
 {
 	Jsp = NULL;
-	Value = AllocateValue(g, strp, TYPE_STRING);
+	Value = AllocateValue(g, (void*)strp, TYPE_STRING);
 	Next = NULL;
 	Del = false;
 } // end of JVALUE constructor

storage/connect/json.h

@@ -125,14 +125,14 @@ class JPAIR : public BLOCK {
 	friend PJOB ParseObject(PGLOBAL, int&, STRG&, bool*);
   friend bool SerializeObject(JOUT *, PJOB);
  public:
-  JPAIR(PSZ key) : BLOCK() {Key = key; Val = NULL; Next = NULL;}
+  JPAIR(PCSZ key) : BLOCK() {Key = key; Val = NULL; Next = NULL;}
 
-  inline PSZ   GetKey(void) {return Key;}
+  inline PCSZ  GetKey(void) {return Key;}
   inline PJVAL GetVal(void) {return Val;}
   inline PJPR  GetNext(void) {return Next;}
 
  protected:
-  PSZ   Key;      // This pair key name
+  PCSZ  Key;      // This pair key name
   PJVAL Val;      // To the value of the pair
   PJPR  Next;     // To the next pair
 }; // end of class JPAIR
@@ -150,7 +150,7 @@ class JSON : public BLOCK {
   virtual JTYP   GetValType(void) {X return TYPE_JSON;}
   virtual void   InitArray(PGLOBAL g) {X}
 //virtual PJVAL  AddValue(PGLOBAL g, PJVAL jvp = NULL, int *x = NULL) {X return NULL;}
-  virtual PJPR   AddPair(PGLOBAL g, PSZ key) {X return NULL;}
+  virtual PJPR   AddPair(PGLOBAL g, PCSZ key) {X return NULL;}
 	virtual PJAR   GetKeyList(PGLOBAL g) {X return NULL;}
 	virtual PJVAL  GetValue(const char *key) {X return NULL;}
   virtual PJOB   GetObject(void) {return NULL;}
@@ -166,13 +166,13 @@ class JSON : public BLOCK {
   virtual PSZ    GetText(PGLOBAL g, PSZ text) {X return NULL;}
 	virtual bool   Merge(PGLOBAL g, PJSON jsp) { X return true; }
 	virtual bool   SetValue(PGLOBAL g, PJVAL jvp, int i) { X return true; }
-  virtual void   SetValue(PGLOBAL g, PJVAL jvp, PSZ key) {X}
+  virtual void   SetValue(PGLOBAL g, PJVAL jvp, PCSZ key) {X}
   virtual void   SetValue(PVAL valp) {X}
   virtual void   SetValue(PJSON jsp) {X}
   virtual void   SetString(PGLOBAL g, PSZ s, short c) {X}
   virtual void   SetInteger(PGLOBAL g, int n) {X}
   virtual void   SetFloat(PGLOBAL g, double f) {X}
-	virtual void   DeleteKey(char *k) {X}
+	virtual void   DeleteKey(PCSZ k) {X}
 	virtual bool   DeleteValue(int i) {X return true;}
 	virtual bool   IsNull(void) {X return true;}
 
@@ -195,14 +195,14 @@ class JOBJECT : public JSON {
   virtual void  Clear(void) {First = Last = NULL; Size = 0;}
   virtual JTYP  GetType(void) {return TYPE_JOB;}
   virtual PJPR  GetFirst(void) {return First;}
-  virtual PJPR  AddPair(PGLOBAL g, PSZ key);
+  virtual PJPR  AddPair(PGLOBAL g, PCSZ key);
   virtual PJOB  GetObject(void) {return this;}
   virtual PJVAL GetValue(const char* key);
 	virtual PJAR  GetKeyList(PGLOBAL g);
 	virtual PSZ   GetText(PGLOBAL g, PSZ text);
 	virtual bool  Merge(PGLOBAL g, PJSON jsp);
-	virtual void  SetValue(PGLOBAL g, PJVAL jvp, PSZ key);
+	virtual void  SetValue(PGLOBAL g, PJVAL jvp, PCSZ key);
-	virtual void  DeleteKey(char *k);
+	virtual void  DeleteKey(PCSZ k);
 	virtual bool  IsNull(void);
 
  protected:
@@ -253,7 +253,7 @@ class JVALUE : public JSON {
   JVALUE(PJSON jsp) : JSON()
                 {Jsp = jsp; Value = NULL; Next = NULL; Del = false;}
   JVALUE(PGLOBAL g, PVAL valp);
-	JVALUE(PGLOBAL g, PSZ strp);
+	JVALUE(PGLOBAL g, PCSZ strp);
 
   using JSON::GetValue;
   using JSON::SetValue;

storage/connect/jsonudf.cpp

@@ -1496,7 +1496,7 @@ static PSZ MakePSZ(PGLOBAL g, UDF_ARGS *args, int i)
 /*********************************************************************************/
 /*  Make a valid key from the passed argument.                                   */
 /*********************************************************************************/
-static PSZ MakeKey(PGLOBAL g, UDF_ARGS *args, int i)
+static PCSZ MakeKey(PGLOBAL g, UDF_ARGS *args, int i)
 {
 	if (args->arg_count > (unsigned)i) {
 		int     j = 0, n = args->attribute_lengths[i];
@@ -2253,7 +2253,8 @@ my_bool json_object_add_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
 char *json_object_add(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	                    unsigned long *res_length, char *is_null, char *error)
 {
-	char   *key, *str = NULL;
+	PCSZ    key;
+	char   *str = NULL;
 	PGLOBAL g = (PGLOBAL)initid->ptr;
 
 	if (g->Xchk) {
@@ -2358,7 +2359,7 @@ char *json_object_delete(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	} // endif Xchk
 
 	if (!CheckMemory(g, initid, args, 1, false, true, true)) {
-		char *key;
+		PCSZ  key;
 		PJOB  jobp;
 		PJSON jsp, top;
 		PJVAL jvp = MakeValue(g, args, 0, &top);
@@ -4541,7 +4542,7 @@ char *jbin_object_add(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	} // endif bsp
 
 	if (!CheckMemory(g, initid, args, 2, false, true, true)) {
-		char *key;
+		PCSZ  key;
 		PJOB  jobp;
 		PJVAL jvp = MakeValue(g, args, 0, &top);
 		PJSON jsp = jvp->GetJson();
@@ -4621,7 +4622,7 @@ char *jbin_object_delete(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	} // endif bsp
 
 	if (!CheckMemory(g, initid, args, 1, false, true, true)) {
-		char *key;
+		PCSZ  key;
 		PJOB  jobp;
 		PJVAL jvp = MakeValue(g, args, 0, &top);
 		PJSON jsp = jvp->GetJson();

storage/connect/jsonudf.h

@@ -232,7 +232,7 @@ extern "C" {
 /*********************************************************************************/
 typedef struct _jpn {
 	enum JTYP Type;
-	PSZ       Key;
+	PCSZ      Key;
 	int       N;
 } JPN, *PJPN;
 

storage/connect/libdoc.cpp

@@ -68,9 +68,9 @@ class LIBXMLDOC : public XMLDOCUMENT {
   virtual void   SetNofree(bool b) {Nofreelist = b;}
 
   // Methods
-	virtual bool    Initialize(PGLOBAL g, char *entry, bool zipped);
+	virtual bool    Initialize(PGLOBAL g, PCSZ entry, bool zipped);
   virtual bool    ParseFile(PGLOBAL g, char *fn);
-  virtual bool    NewDoc(PGLOBAL g, char *ver);
+  virtual bool    NewDoc(PGLOBAL g, PCSZ ver);
   virtual void    AddComment(PGLOBAL g, char *com);
   virtual PXNODE  GetRoot(PGLOBAL g);
   virtual PXNODE  NewRoot(PGLOBAL g, char *name);
@@ -119,9 +119,9 @@ class XML2NODE : public XMLNODE {
   virtual PXLIST SelectNodes(PGLOBAL g, char *xp, PXLIST lp);
   virtual PXNODE SelectSingleNode(PGLOBAL g, char *xp, PXNODE np);
   virtual PXATTR GetAttribute(PGLOBAL g, char *name, PXATTR ap);
-  virtual PXNODE AddChildNode(PGLOBAL g, char *name, PXNODE np);
+  virtual PXNODE AddChildNode(PGLOBAL g, PCSZ name, PXNODE np);
   virtual PXATTR AddProperty(PGLOBAL g, char *name, PXATTR ap);
-  virtual void   AddText(PGLOBAL g, char *txtp);
+  virtual void   AddText(PGLOBAL g, PCSZ txtp);
   virtual void   DeleteChild(PGLOBAL g, PXNODE dnp);
 
  protected:
@@ -373,7 +373,7 @@ LIBXMLDOC::LIBXMLDOC(char *nsl, char *nsdf, char *enc, PFBLOCK fp)
 /******************************************************************/
 /*  Initialize XML parser and check library compatibility.        */
 /******************************************************************/
-bool LIBXMLDOC::Initialize(PGLOBAL g, char *entry, bool zipped)
+bool LIBXMLDOC::Initialize(PGLOBAL g, PCSZ entry, bool zipped)
 {
 	if (zipped && InitZip(g, entry))
 		return true;
@@ -434,7 +434,7 @@ PFBLOCK LIBXMLDOC::LinkXblock(PGLOBAL g, MODE m, int rc, char *fn)
 /******************************************************************/
 /* Construct and add the XML processing instruction node.         */
 /******************************************************************/
-bool LIBXMLDOC::NewDoc(PGLOBAL g, char *ver)
+bool LIBXMLDOC::NewDoc(PGLOBAL g, PCSZ ver)
   {
   if (trace)
     htrc("NewDoc\n");
@@ -863,14 +863,13 @@ RCODE XML2NODE::GetContent(PGLOBAL g, char *buf, int len)
     xmlFree(Content);
 
   if ((Content = xmlNodeGetContent(Nodep))) {
-    char *extra = " \t\r\n";
     char *p1 = (char*)Content, *p2 = buf;
     bool  b = false;
 
     // Copy content eliminating extra characters
     for (; *p1; p1++)
       if ((p2 - buf) < len) {
-        if (strchr(extra, *p1)) {
+        if (strchr(" \t\r\n", *p1)) {
           if (b) {
             // This to have one blank between sub-nodes
             *p2++ = ' ';
@@ -1020,19 +1019,19 @@ PXATTR XML2NODE::GetAttribute(PGLOBAL g, char *name, PXATTR ap)
 /******************************************************************/
 /*  Add a new child node to this node and return it.              */
 /******************************************************************/
-PXNODE XML2NODE::AddChildNode(PGLOBAL g, char *name, PXNODE np)
+PXNODE XML2NODE::AddChildNode(PGLOBAL g, PCSZ name, PXNODE np)
   {
-  char *p, *pn, *pf = NULL;
+  char *p, *pn, *pf = NULL, *nmp = PlugDup(g, name);
 
   if (trace)
     htrc("AddChildNode: %s\n", name);
 
   // Is a prefix specified
-  if ((pn = strchr(name, ':'))) {
+  if ((pn = strchr(nmp, ':'))) {
-    pf = name;
+    pf = nmp;
     *pn++ = '\0';                    // Separate name from prefix
   } else
-    pn = name;
+    pn = nmp;
 
   // If name has the format m[n] only m is taken as node name
   if ((p = strchr(pn, '[')))
@@ -1096,7 +1095,7 @@ PXATTR XML2NODE::AddProperty(PGLOBAL g, char *name, PXATTR ap)
 /******************************************************************/
 /*  Add a new text node to this node.                             */
 /******************************************************************/
-void XML2NODE::AddText(PGLOBAL g, char *txtp)
+void XML2NODE::AddText(PGLOBAL g, PCSZ txtp)
   {
   if (trace)
     htrc("AddText: %s\n", txtp);

storage/connect/macutil.cpp

@@ -192,7 +192,7 @@ bool MACINFO::GetOneInfo(PGLOBAL g, int flag, void *v, int lv)
       case 23:
         break;
       default:
-        p = "";
+        p = PlugDup(g, "");
       } // endswitch flag
 
   } else switch (flag) {

storage/connect/myconn.cpp

@@ -137,7 +137,8 @@ PQRYRES MyColumns(PGLOBAL g, THD *thd, const char *host, const char *db,
                    FLD_CHARSET};
   //unsigned int length[] = {0, 4, 16, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0};
 	unsigned int length[] = {0, 4, 0, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0};
-	char   *fld, *colname, *chset, *fmt, v, buf[128], uns[16], zero[16];
+	PCSZ    fmt;
+	char   *fld, *colname, *chset, v, buf[128], uns[16], zero[16];
   int     i, n, nf, ncol = sizeof(buftyp) / sizeof(int);
   int     len, type, prec, rc, k = 0;
 	bool    b;
@@ -874,7 +875,8 @@ MYSQL_FIELD *MYSQLC::GetNextField(void)
 /***********************************************************************/
 PQRYRES MYSQLC::GetResult(PGLOBAL g, bool pdb)
   {
-  char        *fmt, v;
+	PCSZ         fmt;
+  char        *name, v;
   int          n;
   bool         uns;
   PCOLRES     *pcrp, crp;
@@ -912,8 +914,9 @@ PQRYRES MYSQLC::GetResult(PGLOBAL g, bool pdb)
     memset(crp, 0, sizeof(COLRES));
     crp->Ncol = ++qrp->Nbcol;
 
-    crp->Name = (char*)PlugSubAlloc(g, NULL, fld->name_length + 1);
+    name = (char*)PlugSubAlloc(g, NULL, fld->name_length + 1);
-    strcpy(crp->Name, fld->name);
+    strcpy(name, fld->name);
+		crp->Name = name;
 
     if ((crp->Type = MYSQLtoPLG(fld->type, &v)) == TYPE_ERROR) {
       sprintf(g->Message, "Type %d not supported for column %s",

storage/connect/myutil.cpp

@@ -269,9 +269,9 @@ int MYSQLtoPLG(int mytype, char *var)
 /************************************************************************/
 /*  Returns the format corresponding to a MySQL date type number.       */
 /************************************************************************/
-char *MyDateFmt(int mytype)
+PCSZ MyDateFmt(int mytype)
   {
-  char *fmt;
+  PCSZ fmt;
 
   switch (mytype) {
     case MYSQL_TYPE_TIMESTAMP:
@@ -297,9 +297,9 @@ char *MyDateFmt(int mytype)
 /************************************************************************/
 /*  Returns the format corresponding to a MySQL date type name.         */
 /************************************************************************/
-char *MyDateFmt(char *typname)
+PCSZ MyDateFmt(char *typname)
   {
-  char *fmt;
+  PCSZ fmt;
 
   if (!stricmp(typname, "datetime") || !stricmp(typname, "timestamp"))
     fmt = "YYYY-MM-DD hh:mm:ss";

storage/connect/myutil.h

@@ -8,7 +8,7 @@ enum enum_field_types PLGtoMYSQL(int type, bool dbf, char var = 0);
 const char *PLGtoMYSQLtype(int type, bool dbf, char var = 0);
 int  MYSQLtoPLG(char *typname, char *var = NULL);
 int  MYSQLtoPLG(int mytype, char *var = NULL);
-char *MyDateFmt(int mytype);
+PCSZ MyDateFmt(int mytype);
-char *MyDateFmt(char *typname);
+PCSZ MyDateFmt(char *typname);
 
 #endif // __MYUTIL__H

storage/connect/odbconn.cpp

@@ -875,7 +875,7 @@ PQRYRES ODBCStatistics(PGLOBAL g, ODBConn *op, char *dsn, char *pat,
 /***********************************************************************/
 /*  Implementation of DBX class.                                       */
 /***********************************************************************/
-DBX::DBX(RETCODE rc, PSZ msg)
+DBX::DBX(RETCODE rc, PCSZ msg)
   {
   m_RC = rc;
   m_Msg = msg;
@@ -1016,7 +1016,7 @@ bool ODBConn::Check(RETCODE rc)
 /***********************************************************************/
 /*  DB exception throw routines.                                       */
 /***********************************************************************/
-void ODBConn::ThrowDBX(RETCODE rc, PSZ msg, HSTMT hstmt)
+void ODBConn::ThrowDBX(RETCODE rc, PCSZ msg, HSTMT hstmt)
   {
   DBX* xp = new(m_G) DBX(rc, msg);
 
@@ -1026,7 +1026,7 @@ void ODBConn::ThrowDBX(RETCODE rc, PSZ msg, HSTMT hstmt)
 
   } // end of ThrowDBX
 
-void ODBConn::ThrowDBX(PSZ msg)
+void ODBConn::ThrowDBX(PCSZ msg)
   {
   DBX* xp = new(m_G) DBX(0, "Error");
 
@@ -2240,7 +2240,7 @@ int ODBConn::GetCatInfo(CATPARM *cap)
   void    *buffer;
   int      i, irc;
   bool     b;
-  PSZ      fnc = "Unknown";
+  PCSZ     fnc = "Unknown";
   UWORD    n;
   SWORD    ncol, len, tp;
   SQLULEN  crow = 0;

storage/connect/odbconn.h

@@ -80,23 +80,23 @@ class DBX : public BLOCK {
   friend class ODBConn;
   // Construction (by ThrowDBX only) -- destruction
  protected:
-  DBX(RETCODE rc, PSZ msg = NULL);
+  DBX(RETCODE rc, PCSZ msg = NULL);
  public:
 //virtual ~DBX() {}
 //void operator delete(void*, PGLOBAL, void*) {};
 
   // Implementation (use ThrowDBX to create)
   RETCODE GetRC(void) {return m_RC;}
-  PSZ     GetMsg(void) {return m_Msg;}
+  PCSZ    GetMsg(void) {return m_Msg;}
-  const char *GetErrorMessage(int i);
+  PCSZ    GetErrorMessage(int i);
 
  protected:
   bool    BuildErrorMessage(ODBConn* pdb, HSTMT hstmt = SQL_NULL_HSTMT);
 
   // Attributes
   RETCODE m_RC;
-  PSZ     m_Msg;
+  PCSZ    m_Msg;
-  PSZ     m_ErrMsg[MAX_NUM_OF_MSG];
+  PCSZ    m_ErrMsg[MAX_NUM_OF_MSG];
   }; // end of DBX class definition
 
 /***********************************************************************/
@@ -162,8 +162,8 @@ class ODBConn : public BLOCK {
   // ODBC operations
  protected:
   bool Check(RETCODE rc);
-  void ThrowDBX(RETCODE rc, PSZ msg, HSTMT hstmt = SQL_NULL_HSTMT);
+  void ThrowDBX(RETCODE rc, PCSZ msg, HSTMT hstmt = SQL_NULL_HSTMT);
-  void ThrowDBX(PSZ msg);
+  void ThrowDBX(PCSZ msg);
   void AllocConnect(DWORD dwOptions);
   void Connect(void);
   bool DriverConnect(DWORD Options);

storage/connect/plgdbsem.h

@@ -555,7 +555,7 @@ typedef  struct _qryres {
 typedef  struct _colres {
   PCOLRES Next;                    /* To next result column            */
   PCOL    Colp;                    /* To matching column block         */
-  PSZ     Name;                    /* Column header                    */
+  PCSZ    Name;                    /* Column header                    */
   PVBLK   Kdata;                   /* Column block of values           */
   char   *Nulls;                   /* Column null value array          */
   int     Type;                    /* Internal type                    */
@@ -585,7 +585,7 @@ void     PlugLineDB(PGLOBAL, PSZ, short, void *, uint);
 char    *SetPath(PGLOBAL g, const char *path);
 char    *ExtractFromPath(PGLOBAL, char *, char *, OPVAL);
 void     AddPointer(PTABS, void *);
-PDTP     MakeDateFormat(PGLOBAL, PSZ, bool, bool, int);
+PDTP     MakeDateFormat(PGLOBAL, PCSZ, bool, bool, int);
 int      ExtractDate(char *, PDTP, int, int val[6]);
 
 /**************************************************************************/

storage/connect/plgdbutl.cpp

@@ -399,9 +399,9 @@ char *SetPath(PGLOBAL g, const char *path)
 
 		if (*path != '.') {
 #if defined(__WIN__)
-			char *s = "\\";
+			const char *s = "\\";
 #else   // !__WIN__
-			char *s = "/";
+			const char *s = "/";
 #endif  // !__WIN__
 			strcat(strcat(strcat(strcpy(buf, "."), s), path), s);
 		} else
@@ -673,7 +673,7 @@ void PlugConvertConstant(PGLOBAL g, void* & value, short& type)
 /*  format and a Strftime output format. Flag if not 0 indicates that  */
 /*  non quoted blanks are not included in the output format.           */
 /***********************************************************************/
-PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
+PDTP MakeDateFormat(PGLOBAL g, PCSZ dfmt, bool in, bool out, int flag)
 {
 	int  rc;
   PDTP pdp = (PDTP)PlugSubAlloc(g, NULL, sizeof(DATPAR));
@@ -682,7 +682,7 @@ PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
     htrc("MakeDateFormat: dfmt=%s\n", dfmt);
 
   memset(pdp, 0, sizeof(DATPAR));
-  pdp->Format = pdp->Curp = dfmt;
+  pdp->Format = pdp->Curp = PlugDup(g, dfmt);
   pdp->Outsize = 2 * strlen(dfmt) + 1;
 
   if (in)
@@ -724,7 +724,8 @@ PDTP MakeDateFormat(PGLOBAL g, PSZ dfmt, bool in, bool out, int flag)
 /***********************************************************************/
 int ExtractDate(char *dts, PDTP pdp, int defy, int val[6])
   {
-  char *fmt, c, d, e, W[8][12];
+	PCSZ fmt;
+	char c, d, e, W[8][12];
   int  i, k, m, numval;
   int  n, y = 30;
   bool b = true;           // true for null dates

storage/connect/plgxml.cpp

@@ -173,7 +173,7 @@ void XMLNODE::Delete(PXNODE dnp)
 /******************************************************************/
 /*  Store a string in Buf, enventually reallocating it.           */
 /******************************************************************/
-char *XMLNODE::BufAlloc(PGLOBAL g, char *p, int n)
+char *XMLNODE::BufAlloc(PGLOBAL g, const char *p, int n)
   {
   if (Len < n) {
     Len = n;

storage/connect/plgxml.h

@@ -78,7 +78,7 @@ class XMLDOCUMENT : public BLOCK {
   // Methods
 	virtual bool    Initialize(PGLOBAL, PCSZ, bool) = 0;
   virtual bool    ParseFile(PGLOBAL, char *) = 0;
-  virtual bool    NewDoc(PGLOBAL, char *) = 0;
+  virtual bool    NewDoc(PGLOBAL, PCSZ) = 0;
   virtual void    AddComment(PGLOBAL, char *) = 0;
   virtual PXNODE  GetRoot(PGLOBAL) = 0;
   virtual PXNODE  NewRoot(PGLOBAL, char *) = 0;
@@ -131,15 +131,15 @@ class XMLNODE : public BLOCK {
   virtual PXLIST SelectNodes(PGLOBAL, char *, PXLIST = NULL) = 0;
   virtual PXNODE SelectSingleNode(PGLOBAL, char *, PXNODE = NULL) = 0;
   virtual PXATTR GetAttribute(PGLOBAL, char *, PXATTR = NULL) = 0;
-  virtual PXNODE AddChildNode(PGLOBAL, char *, PXNODE = NULL) = 0;
+  virtual PXNODE AddChildNode(PGLOBAL, PCSZ, PXNODE = NULL) = 0;
   virtual PXATTR AddProperty(PGLOBAL, char *, PXATTR = NULL) = 0;
-  virtual void   AddText(PGLOBAL, char *) = 0;
+  virtual void   AddText(PGLOBAL, PCSZ) = 0;
   virtual void   DeleteChild(PGLOBAL, PXNODE) = 0;
 
  protected:
           PXNODE NewChild(PXNODE ncp);
           void   Delete(PXNODE dnp);
-          char  *BufAlloc(PGLOBAL g, char *p, int n);
+          char  *BufAlloc(PGLOBAL g, const char *p, int n);
 
   // Constructor
   XMLNODE(PXDOC dp);

storage/connect/plugutil.cpp

@@ -517,7 +517,7 @@ void *PlugSubAlloc(PGLOBAL g, void *memp, size_t size)
           memp, size, pph->To_Free, pph->FreeBlk);
 
   if ((uint)size > pph->FreeBlk) {   /* Not enough memory left in pool */
-    char     *pname = "Work";
+    PCSZ pname = "Work";
 
     sprintf(g->Message,
       "Not enough memory in %s area for request of %u (used=%d free=%d)",

storage/connect/preparse.h

@@ -7,7 +7,7 @@
 /*  Struct of variables used by the date format pre-parser.            */
 /***********************************************************************/
 typedef struct _datpar {
-  char *Format;           // Points to format to decode
+  const char *Format;     // Points to format to decode
   char *Curp;             // Points to current parsing position
   char *InFmt;            // Start of input format
   char *OutFmt;           // Start of output format

storage/connect/reldef.cpp

@@ -116,7 +116,7 @@ bool RELDEF::GetBoolCatInfo(PCSZ what, bool bdef)
 /***********************************************************************/
 /*  This function returns size catalog information.                    */
 /***********************************************************************/
-int RELDEF::GetSizeCatInfo(PCSZ what, PSZ sdef)
+int RELDEF::GetSizeCatInfo(PCSZ what, PCSZ sdef)
 	{
 	char c;
 	PCSZ s;
@@ -139,7 +139,7 @@ int RELDEF::GetSizeCatInfo(PCSZ what, PSZ sdef)
 /***********************************************************************/
 /*  This function sets char table information in buf.                  */
 /***********************************************************************/
-int RELDEF::GetCharCatInfo(PCSZ what, PSZ sdef, char *buf, int size)
+int RELDEF::GetCharCatInfo(PCSZ what, PCSZ sdef, char *buf, int size)
 	{
 	PCSZ s= Hc->GetStringOption(what);
 
@@ -253,9 +253,9 @@ bool TABDEF::Define(PGLOBAL g, PCATLG cat,
 /***********************************************************************/
 /*  This function returns the database data path.                      */
 /***********************************************************************/
-PSZ TABDEF::GetPath(void)
+PCSZ TABDEF::GetPath(void)
   {
-  return (Database) ? (PSZ)Database : (Hc) ? Hc->GetDataPath() : NULL;
+  return (Database) ? Database : (Hc) ? Hc->GetDataPath() : NULL;
   } // end of GetPath
 
 /***********************************************************************/

storage/connect/reldef.h

@@ -46,8 +46,8 @@ class DllExport RELDEF : public BLOCK {      // Relation definition block
   bool    SetIntCatInfo(PCSZ what, int ival);
   bool    Partitioned(void);
   int     GetIntCatInfo(PCSZ what, int idef);
-  int     GetSizeCatInfo(PCSZ what, PSZ sdef);
+  int     GetSizeCatInfo(PCSZ what, PCSZ sdef);
-  int     GetCharCatInfo(PCSZ what, PSZ sdef, char *buf, int size);
+  int     GetCharCatInfo(PCSZ what, PCSZ sdef, char *buf, int size);
   char   *GetStringCatInfo(PGLOBAL g, PCSZ what, PCSZ sdef);
   virtual int  Indexable(void) {return 0;}
   virtual bool Define(PGLOBAL g, PCATLG cat, 
@@ -84,7 +84,7 @@ public:
   void    SetNext(PTABDEF tdfp) {Next = tdfp;}
   int     GetMultiple(void) {return Multiple;}
   int     GetPseudo(void) {return Pseudo;}
-  PSZ     GetPath(void);
+  PCSZ    GetPath(void);
 //PSZ     GetPath(void)
 //          {return (Database) ? (PSZ)Database : Cat->GetDataPath();}
   bool    SepIndex(void) {return GetBoolCatInfo("SepIndex", false);}

storage/connect/tabdos.cpp

@@ -184,7 +184,7 @@ bool DOSDEF::DefineAM(PGLOBAL g, LPCSTR am, int)
 /***********************************************************************/
 bool DOSDEF::GetOptFileName(PGLOBAL g, char *filename)
   {
-  char   *ftype;
+  PCSZ ftype;
 
   switch (Recfm) {
     case RECFM_VAR: ftype = ".dop"; break;
@@ -241,7 +241,7 @@ void DOSDEF::RemoveOptValues(PGLOBAL g)
 /***********************************************************************/
 bool DOSDEF::DeleteIndexFile(PGLOBAL g, PIXDEF pxdf)
   {
-  char   *ftype;
+  PCSZ ftype;
   char filename[_MAX_PATH];
   bool sep, rc = false;
 
@@ -2310,7 +2310,7 @@ void TDBDOS::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  DOSCOL public constructor (also called by MAPCOL).                 */
 /***********************************************************************/
-DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am)
+DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am)
       : COLBLK(cdp, tp, i)
   {
   char *p;

storage/connect/tabdos.h

@@ -214,7 +214,7 @@ class DllExport DOSCOL : public COLBLK {
   friend class TDBFIX;
  public:
   // Constructors
-  DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am = "DOS");
+  DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am = "DOS");
   DOSCOL(DOSCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation

storage/connect/tabext.cpp

@@ -295,7 +295,7 @@ bool TDBEXT::MakeSQL(PGLOBAL g, bool cnt)
 	if (Srcdef) {
 		if ((catp = strstr(Srcdef, "%s"))) {
 			char *fil1, *fil2;
-			PSZ   ph = ((EXTDEF*)To_Def)->Phpos;
+			PCSZ  ph = ((EXTDEF*)To_Def)->Phpos;
 
 			if (!ph)
 				ph = (strstr(catp + 2, "%s")) ? "WH" : "W";
@@ -565,7 +565,7 @@ int TDBEXT::GetProgMax(PGLOBAL g)
 /***********************************************************************/
 /*  EXTCOL public constructor.                                         */
 /***********************************************************************/
-EXTCOL::EXTCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+EXTCOL::EXTCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
 	: COLBLK(cdp, tdbp, i)
 {
 	if (cprec) {

storage/connect/tabext.h

@@ -115,7 +115,7 @@ public:
 	virtual bool IsRemote(void) { return true; }
 
 	// Methods
-	virtual PSZ  GetServer(void) { return "Remote"; }
+	virtual PCSZ GetServer(void) { return "Remote"; }
 	virtual int  GetRecpos(void);
 
 	// Database routines
@@ -170,7 +170,7 @@ class DllExport EXTCOL : public COLBLK {
 	friend class TDBEXT;
 public:
 	// Constructor
-	EXTCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am);
+	EXTCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am);
 	EXTCOL(PEXTCOL colp, PTDB tdbp); // Constructor used in copy process
 
 	// Implementation

storage/connect/tabfix.cpp

@@ -373,7 +373,7 @@ int TDBFIX::WriteDB(PGLOBAL g)
 /***********************************************************************/
 /*  BINCOL public constructor.                                         */
 /***********************************************************************/
-BINCOL::BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am)
+BINCOL::BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am)
   : DOSCOL(g, cdp, tp, cp, i, am)
   {
   char c, *fmt = cdp->GetFmt();

storage/connect/tabfix.h

@@ -65,7 +65,7 @@ class DllExport BINCOL : public DOSCOL {
   friend class TDBFIX;
  public:
   // Constructors
-  BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am = "BIN");
+  BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am = "BIN");
   BINCOL(BINCOL *colp, PTDB tdbp);  // Constructor used in copy process
 
   // Implementation

storage/connect/tabfmt.cpp

@@ -81,7 +81,7 @@ USETEMP UseTemp(void);
 /* of types (TYPE_STRING < TYPE_DOUBLE < TYPE_INT) (1 < 2 < 7).        */
 /* If these values are changed, this will have to be revisited.        */
 /***********************************************************************/
-PQRYRES CSVColumns(PGLOBAL g, char *dp, PTOS topt, bool info)
+PQRYRES CSVColumns(PGLOBAL g, PCSZ dp, PTOS topt, bool info)
   {
   static int  buftyp[] = {TYPE_STRING, TYPE_SHORT, TYPE_STRING,
                           TYPE_INT,   TYPE_INT, TYPE_SHORT};

storage/connect/tabfmt.h

@@ -13,7 +13,7 @@ typedef class  TDBFMT    *PTDBFMT;
 /***********************************************************************/
 /*  Functions used externally.                                         */
 /***********************************************************************/
-PQRYRES CSVColumns(PGLOBAL g, char *dp, PTOS topt, bool info);
+PQRYRES CSVColumns(PGLOBAL g, PCSZ dp, PTOS topt, bool info);
 
 /***********************************************************************/
 /*  CSV table.                                                         */
@@ -21,7 +21,7 @@ PQRYRES CSVColumns(PGLOBAL g, char *dp, PTOS topt, bool info);
 class DllExport CSVDEF : public DOSDEF { /* Logical table description  */
   friend class TDBCSV;
   friend class TDBCCL;
-	friend PQRYRES CSVColumns(PGLOBAL, char *, PTOS, bool);
+	friend PQRYRES CSVColumns(PGLOBAL, PCSZ, PTOS, bool);
 public:
   // Constructor
   CSVDEF(void);
@@ -53,7 +53,7 @@ public:
 class DllExport TDBCSV : public TDBDOS {
   friend class CSVCOL;
 	friend class MAPFAM;
-	friend PQRYRES CSVColumns(PGLOBAL, char *, PTOS, bool);
+	friend PQRYRES CSVColumns(PGLOBAL, PCSZ, PTOS, bool);
 public:
   // Constructor
   TDBCSV(PCSVDEF tdp, PTXF txfp);

storage/connect/tabjdbc.cpp

@@ -967,7 +967,7 @@ void TDBJDBC::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  JDBCCOL public constructor.                                        */
 /***********************************************************************/
-JDBCCOL::JDBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+JDBCCOL::JDBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
 	     : EXTCOL(cdp, tdbp, cprec, i, am)
 {
 } // end of JDBCCOL constructor
@@ -1212,7 +1212,7 @@ int TDBXJDC::DeleteDB(PGLOBAL g, int irc)
 /***********************************************************************/
 /*  JSRCCOL public constructor.                                        */
 /***********************************************************************/
-JSRCCOL::JSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+JSRCCOL::JSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
 	     : JDBCCOL(cdp, tdbp, cprec, i, am)
 {
 	// Set additional JDBC access method information for column.

storage/connect/tabjdbc.h

@@ -67,7 +67,7 @@ public:
   virtual PTDB Clone(PTABS t);
 	virtual bool SetRecpos(PGLOBAL g, int recpos);
 	virtual void ResetSize(void);
-	virtual PSZ  GetServer(void) { return "JDBC"; }
+	virtual PCSZ GetServer(void) { return "JDBC"; }
 	virtual int  Indexable(void) { return 2; }
 
 	// Database routines
@@ -103,7 +103,7 @@ class JDBCCOL : public EXTCOL {
 	friend class TDBJDBC;
 public:
 	// Constructors
-	JDBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "JDBC");
+	JDBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "JDBC");
   JDBCCOL(JDBCCOL *colp, PTDB tdbp); // Constructor used in copy process
 
 	// Implementation
@@ -165,7 +165,7 @@ class JSRCCOL : public JDBCCOL {
 	friend class TDBXJDC;
 public:
 	// Constructors
-	JSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "JDBC");
+	JSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "JDBC");
 
 	// Implementation
 	virtual int  GetAmType(void) {return TYPE_AM_JDBC;}

storage/connect/tabjson.cpp

@@ -362,7 +362,7 @@ PQRYRES JSONColumns(PGLOBAL g, char *db, char *dsn, PTOS topt, bool info)
 
  skipit:
   if (trace)
-    htrc("CSVColumns: n=%d len=%d\n", n, length[0]);
+    htrc("JSONColumns: n=%d len=%d\n", n, length[0]);
 
   /*********************************************************************/
   /*  Allocate the structures used to refer to the result set.         */

storage/connect/table.cpp

@@ -99,7 +99,7 @@ CHARSET_INFO *TDB::data_charset(void)
 /***********************************************************************/
 /*  Return the datapath of the DB this table belongs to.               */
 /***********************************************************************/
-PSZ TDB::GetPath(void)
+PCSZ TDB::GetPath(void)
 {
 	return To_Def->GetPath();
 }  // end of GetPath

storage/connect/tabmac.cpp

@@ -329,7 +329,7 @@ void MACCOL::ReadColumn(PGLOBAL g)
         n = 0;
         break;
       default:
-        p = "";
+        p = PlugDup(g, "");
       } // endswitch Flag
 
   } else switch (Flag) {

storage/connect/tabmgo.cpp

@@ -69,7 +69,7 @@ PQRYRES MGOColumns(PGLOBAL g, char *db, PTOS topt, bool info)
 
 skipit:
 	if (trace)
-		htrc("CSVColumns: n=%d len=%d\n", n, length[0]);
+		htrc("MGOColumns: n=%d len=%d\n", n, length[0]);
 
 	/*********************************************************************/
 	/*  Allocate the structures used to refer to the result set.         */

storage/connect/tabmul.cpp

@@ -924,7 +924,7 @@ void TDBDIR::CloseDB(PGLOBAL)
 /***********************************************************************/
 /*  DIRCOL public constructor.                                         */
 /***********************************************************************/
-DIRCOL::DIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ)
+DIRCOL::DIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ)
   : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {
@@ -1556,7 +1556,7 @@ void TDBDHR::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  DHRCOL public constructor.                                         */
 /***********************************************************************/
-DHRCOL::DHRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+DHRCOL::DHRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
       : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {

storage/connect/tabmul.h

@@ -226,7 +226,7 @@ class TDBSDR : public TDBDIR {
 class DIRCOL : public COLBLK {
  public:
   // Constructors
-  DIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "DIR");
+  DIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "DIR");
   DIRCOL(DIRCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation

storage/connect/tabmysql.cpp

@@ -588,7 +588,7 @@ bool TDBMYSQL::MakeSelect(PGLOBAL g, bool mx)
 /***********************************************************************/
 bool TDBMYSQL::MakeInsert(PGLOBAL g)
   {
-  char *tk = "`";
+  const char *tk = "`";
   uint  len = 0;
   bool  oom, b = false;
   PCOL  colp;
@@ -1240,7 +1240,7 @@ void TDBMYSQL::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  MYSQLCOL public constructor.                                       */
 /***********************************************************************/
-MYSQLCOL::MYSQLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+MYSQLCOL::MYSQLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
         : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {
@@ -1266,7 +1266,7 @@ MYSQLCOL::MYSQLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
 /***********************************************************************/
 /*  MYSQLCOL public constructor.                                       */
 /***********************************************************************/
-MYSQLCOL::MYSQLCOL(MYSQL_FIELD *fld, PTDB tdbp, int i, PSZ am)
+MYSQLCOL::MYSQLCOL(MYSQL_FIELD *fld, PTDB tdbp, int i, PCSZ am)
         : COLBLK(NULL, tdbp, i)
   {
   const char *chset = get_charset_name(fld->charsetnr);
@@ -1675,7 +1675,7 @@ int TDBMYEXC::WriteDB(PGLOBAL g)
 /***********************************************************************/
 /*  MYXCOL public constructor.                                         */
 /***********************************************************************/
-MYXCOL::MYXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+MYXCOL::MYXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
       : MYSQLCOL(cdp, tdbp, cprec, i, am)
   {
   // Set additional EXEC MYSQL access method information for column.
@@ -1685,7 +1685,7 @@ MYXCOL::MYXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
 /***********************************************************************/
 /*  MYSQLCOL public constructor.                                       */
 /***********************************************************************/
-MYXCOL::MYXCOL(MYSQL_FIELD *fld, PTDB tdbp, int i, PSZ am)
+MYXCOL::MYXCOL(MYSQL_FIELD *fld, PTDB tdbp, int i, PCSZ am)
       : MYSQLCOL(fld, tdbp, i, am)
   {
   if (trace)

storage/connect/tabmysql.h

@@ -86,7 +86,7 @@ class TDBMYSQL : public TDBEXT {
   virtual void ResetDB(void) {N = 0;}
   virtual int  RowNumber(PGLOBAL g, bool b = false);
   virtual bool IsView(void) {return Isview;}
-  virtual PSZ  GetServer(void) {return Server;}
+  virtual PCSZ GetServer(void) {return Server;}
           void SetDatabase(LPCSTR db) {Schema = (char*)db;}
 
   // Schema routines
@@ -146,8 +146,8 @@ class MYSQLCOL : public COLBLK {
   friend class TDBMYSQL;
  public:
   // Constructors
-  MYSQLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i,  PSZ am = "MYSQL");
+  MYSQLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i,  PCSZ am = "MYSQL");
-  MYSQLCOL(MYSQL_FIELD *fld, PTDB tdbp, int i,  PSZ am = "MYSQL");
+  MYSQLCOL(MYSQL_FIELD *fld, PTDB tdbp, int i,  PCSZ am = "MYSQL");
   MYSQLCOL(MYSQLCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation
@@ -215,8 +215,8 @@ class MYXCOL : public MYSQLCOL {
   friend class TDBMYEXC;
  public:
   // Constructors
-  MYXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i,  PSZ am = "MYSQL");
+  MYXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i,  PCSZ am = "MYSQL");
-  MYXCOL(MYSQL_FIELD *fld, PTDB tdbp, int i,  PSZ am = "MYSQL");
+  MYXCOL(MYSQL_FIELD *fld, PTDB tdbp, int i,  PCSZ am = "MYSQL");
   MYXCOL(MYXCOL *colp, PTDB tdbp);   // Constructor used in copy process
 
   // Methods

storage/connect/tabodbc.cpp

@@ -884,7 +884,7 @@ void TDBODBC::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  ODBCCOL public constructor.                                        */
 /***********************************************************************/
-ODBCCOL::ODBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+ODBCCOL::ODBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
        : EXTCOL(cdp, tdbp, cprec, i, am)
   {
   // Set additional ODBC access method information for column.
@@ -1302,7 +1302,7 @@ int TDBXDBC::DeleteDB(PGLOBAL g, int irc)
 /***********************************************************************/
 /*  XSRCCOL public constructor.                                        */
 /***********************************************************************/
-XSRCCOL::XSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+XSRCCOL::XSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
        : ODBCCOL(cdp, tdbp, cprec, i, am)
   {
   // Set additional ODBC access method information for column.

storage/connect/tabodbc.h

@@ -73,7 +73,7 @@ class TDBODBC : public TDBEXT {
   virtual PCSZ GetFile(PGLOBAL g);
   virtual void SetFile(PGLOBAL g, PSZ fn);
   virtual void ResetSize(void);
-  virtual PSZ  GetServer(void) {return "ODBC";}
+  virtual PCSZ GetServer(void) {return "ODBC";}
   virtual int  Indexable(void) {return 2;}
 
   // Database routines
@@ -108,7 +108,7 @@ class ODBCCOL : public EXTCOL {
   friend class TDBODBC;
  public:
   // Constructors
-  ODBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "ODBC");
+  ODBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "ODBC");
   ODBCCOL(ODBCCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation
@@ -179,7 +179,7 @@ class XSRCCOL : public ODBCCOL {
   friend class TDBXDBC;
  public:
   // Constructors
-  XSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "ODBC");
+  XSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "ODBC");
   XSRCCOL(XSRCCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation

storage/connect/tabpivot.cpp

@@ -138,7 +138,7 @@ PQRYRES PIVAID::MakePivotColumns(PGLOBAL g)
 			strcpy(g->Message, MSG(SRC_TABLE_UNDEF));
 			goto err;
 		} else
-			query = Tabsrc;
+			query = (char*)Tabsrc;
 
 		// Open a MySQL connection for this table
 		if (!Myc.Open(g, Host, Database, User, Pwd, Port)) {

storage/connect/tabpivot.h

@@ -32,16 +32,16 @@ class PIVAID : public CSORT {
  protected:
   // Members
   MYSQLC  Myc;                      // MySQL connection class
-  char   *Host;                     // Host machine to use
+  PCSZ    Host;                     // Host machine to use
-  char   *User;                     // User logon info
+	PCSZ    User;                     // User logon info
-  char   *Pwd;                      // Password logon info
+	PCSZ    Pwd;                      // Password logon info
-  char   *Database;                 // Database to be used by server
+	PCSZ    Database;                 // Database to be used by server
   PQRYRES Qryp;                     // Points to Query result block
-  char   *Tabname;                  // Name of source table
+	PCSZ    Tabname;                  // Name of source table
-  char   *Tabsrc;                   // SQL of source table
+	PCSZ    Tabsrc;                   // SQL of source table
-  char   *Picol;                    // Pivot column name
+	PCSZ    Picol;                    // Pivot column name
-  char   *Fncol;                    // Function column name
+	PCSZ    Fncol;                    // Function column name
-  char   *Skcol;                    // Skipped columns
+	PCSZ    Skcol;                    // Skipped columns
   PVBLK   Rblkp;                    // The value block of the pivot column
   int     Port;                     // MySQL port number
   }; // end of class PIVAID

storage/connect/tabsys.cpp

@@ -355,7 +355,7 @@ void TDBINI::CloseDB(PGLOBAL)
 /***********************************************************************/
 /*  INICOL public constructor.                                         */
 /***********************************************************************/
-INICOL::INICOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ)
+INICOL::INICOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ)
   : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {
@@ -769,7 +769,7 @@ int TDBXIN::DeleteDB(PGLOBAL g, int irc)
 /***********************************************************************/
 /*  XINCOL public constructor.                                         */
 /***********************************************************************/
-XINCOL::XINCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+XINCOL::XINCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
       : INICOL(cdp, tdbp, cprec, i, am)
   {
   } // end of XINCOL constructor

storage/connect/tabsys.h

@@ -93,7 +93,7 @@ class TDBINI : public TDBASE {
 class INICOL : public COLBLK {
  public:
   // Constructors
-  INICOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "INI");
+  INICOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "INI");
   INICOL(INICOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation
@@ -165,7 +165,7 @@ class TDBXIN : public TDBINI {
 class XINCOL : public INICOL {
  public:
   // Constructors
-  XINCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "INI");
+  XINCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "INI");
   XINCOL(XINCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation

storage/connect/tabutil.cpp

@@ -119,7 +119,8 @@ PQRYRES TabColumns(PGLOBAL g, THD *thd, const char *db,
                    FLD_LENGTH, FLD_SCALE, FLD_RADIX,    FLD_NULL,
                    FLD_REM,    FLD_NO,    FLD_CHARSET};
   unsigned int length[] = {0, 4, 16, 4, 4, 4, 4, 4, 0, 32, 32};
-  char        *pn, *tn, *fld, *colname, *chset, *fmt, v;
+	PCSZ         fmt;
+  char        *pn, *tn, *fld, *colname, *chset, v;
   int          i, n, ncol = sizeof(buftyp) / sizeof(int);
   int          prec, len, type, scale;
   int          zconv = GetConvSize();
@@ -227,7 +228,7 @@ PQRYRES TabColumns(PGLOBAL g, THD *thd, const char *db,
         fmt = MyDateFmt(fp->type());
         prec = len = strlen(fmt);
       } else {
-        fmt = (char*)fp->option_struct->dateformat;
+        fmt = (PCSZ)fp->option_struct->dateformat;
         prec = len = fp->field_length;
       } // endif mysql
 
@@ -314,7 +315,7 @@ bool PRXDEF::DefineAM(PGLOBAL g, LPCSTR, int)
       strcpy(g->Message, "Missing object table definition");
       return true;
     } else
-      tab = "Noname";
+      tab = PlugDup(g, "Noname");
 
   } else
     // Analyze the table name, it may have the format: [dbname.]tabname
@@ -626,7 +627,7 @@ void TDBPRX::RemoveNext(PTABLE tp)
 /***********************************************************************/
 /*  PRXCOL public constructor.                                         */
 /***********************************************************************/
-PRXCOL::PRXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+PRXCOL::PRXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
       : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {

storage/connect/tabutil.h

@@ -71,7 +71,7 @@ class DllExport TDBPRX : public TDBASE {
   virtual int   GetRecpos(void) {return Tdbp->GetRecpos();}
 	virtual void  ResetDB(void) {Tdbp->ResetDB();}
 	virtual int   RowNumber(PGLOBAL g, bool b = FALSE);
-  virtual PSZ   GetServer(void) {return (Tdbp) ? Tdbp->GetServer() : (PSZ)"?";}
+  virtual PCSZ  GetServer(void) {return (Tdbp) ? Tdbp->GetServer() : (PSZ)"?";}
 
   // Database routines
 	virtual PCOL  MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
@@ -101,7 +101,7 @@ class DllExport PRXCOL : public COLBLK {
   friend class TDBOCCUR;
  public:
   // Constructors
-  PRXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "PRX");
+  PRXCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "PRX");
   PRXCOL(PRXCOL *colp, PTDB tdbp); // Constructor used in copy process
 
   // Implementation

storage/connect/tabvir.cpp

@@ -269,7 +269,7 @@ int TDBVIR::DeleteDB(PGLOBAL g, int)
 /***********************************************************************/
 /*  VIRCOL public constructor.                                         */
 /***********************************************************************/
-VIRCOL::VIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ)
+VIRCOL::VIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ)
       : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {

storage/connect/tabvir.h

@@ -76,7 +76,7 @@ class VIRCOL : public COLBLK {
   friend class TDBVIR;
  public:
   // Constructors
-  VIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "VIRTUAL");
+  VIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "VIRTUAL");
 
   // Implementation
   virtual int  GetAmType(void) {return TYPE_AM_VIR;}

storage/connect/tabxml.cpp

@@ -363,7 +363,7 @@ PQRYRES XMLColumns(PGLOBAL g, char *db, char *tab, PTOS topt, bool info)
 
  skipit:
   if (trace)
-    htrc("CSVColumns: n=%d len=%d\n", n, length[0]);
+    htrc("XMLColumns: n=%d len=%d\n", n, length[0]);
 
   /*********************************************************************/
   /*  Allocate the structures used to refer to the result set.         */
@@ -452,7 +452,8 @@ XMLDEF::XMLDEF(void)
 /***********************************************************************/
 bool XMLDEF::DefineAM(PGLOBAL g, LPCSTR am, int poff)
   {
-  char *defrow, *defcol, buf[10];
+	PCSZ defrow, defcol;
+	char buf[10];
 
   Fn = GetStringCatInfo(g, "Filename", NULL);
   Encoding = GetStringCatInfo(g, "Encoding", "UTF-8");
@@ -1361,7 +1362,7 @@ void TDBXML::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  XMLCOL public constructor.                                        */
 /***********************************************************************/
-XMLCOL::XMLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+XMLCOL::XMLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
       : COLBLK(cdp, tdbp, i)
   {
   if (cprec) {

storage/connect/tabxml.h

@@ -155,7 +155,7 @@ class DllExport TDBXML : public TDBASE {
 class XMLCOL : public COLBLK {
  public:
   // Constructors
-  XMLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "XML");
+  XMLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "XML");
   XMLCOL(XMLCOL *colp, PTDB tdbp);   // Constructor used in copy process
 
   // Implementation

storage/connect/tabzip.cpp

@@ -195,7 +195,7 @@ void TDBZIP::CloseDB(PGLOBAL g)
 /***********************************************************************/
 /*  ZIPCOL public constructor.                                         */
 /***********************************************************************/
-ZIPCOL::ZIPCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am)
+ZIPCOL::ZIPCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am)
 	    : COLBLK(cdp, tdbp, i)
 {
 	if (cprec) {

storage/connect/tabzip.h

@@ -82,7 +82,7 @@ class DllExport ZIPCOL : public COLBLK {
 	friend class TDBZIP;
 public:
 	// Constructors
-	ZIPCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "ZIP");
+	ZIPCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "ZIP");
 
 	// Implementation
 	virtual int  GetAmType(void) { return TYPE_AM_ZIP; }

storage/connect/valblk.cpp

@@ -1,5 +1,5 @@
 /************ Valblk C++ Functions Source Code File (.CPP) *************/
-/*  Name: VALBLK.CPP  Version 2.2                                      */
+/*  Name: VALBLK.CPP  Version 2.3                                      */
 /*                                                                     */
 /*  (C) Copyright to the author Olivier BERTRAND          2005-2017    */
 /*                                                                     */
@@ -145,7 +145,7 @@ PSZ VALBLK::GetCharValue(int)
 /***********************************************************************/
 /*  Set format so formatted dates can be converted on input.           */
 /***********************************************************************/
-bool VALBLK::SetFormat(PGLOBAL g, PSZ, int, int)
+bool VALBLK::SetFormat(PGLOBAL g, PCSZ, int, int)
   {
   sprintf(g->Message, MSG(NO_DATE_FMT), Type);
   return true;
@@ -335,7 +335,7 @@ uchar TYPBLK<uchar>::GetTypedValue(PVAL valp)
 /*  Set one value in a block from a zero terminated string.            */
 /***********************************************************************/
 template <class TYPE>
-void TYPBLK<TYPE>::SetValue(PSZ p, int n)
+void TYPBLK<TYPE>::SetValue(PCSZ p, int n)
   {
   ChkIndx(n);
 
@@ -385,7 +385,7 @@ template <>
 ulonglong TYPBLK<ulonglong>::MaxVal(void) {return ULONGLONG_MAX;}
 
 template <>
-void TYPBLK<double>::SetValue(PSZ p, int n)
+void TYPBLK<double>::SetValue(PCSZ p, int n)
   {
   ChkIndx(n);
 
@@ -403,7 +403,7 @@ void TYPBLK<double>::SetValue(PSZ p, int n)
 /*  Set one value in a block from an array of characters.              */
 /***********************************************************************/
 template <class TYPE>
-void TYPBLK<TYPE>::SetValue(char *sp, uint len, int n)
+void TYPBLK<TYPE>::SetValue(PCSZ sp, uint len, int n)
   {
   PGLOBAL& g = Global;
   PSZ spz = (PSZ)PlugSubAlloc(g, NULL, 0);    // Temporary
@@ -778,7 +778,7 @@ void CHRBLK::SetValue(PVAL valp, int n)
 /***********************************************************************/
 /*  Set one value in a block from a zero terminated string.            */
 /***********************************************************************/
-void CHRBLK::SetValue(PSZ sp, int n)
+void CHRBLK::SetValue(PCSZ sp, int n)
   {
   uint len = (sp) ? strlen(sp) : 0;
   SetValue(sp, len, n);
@@ -787,7 +787,7 @@ void CHRBLK::SetValue(PSZ sp, int n)
 /***********************************************************************/
 /*  Set one value in a block from an array of characters.              */
 /***********************************************************************/
-void CHRBLK::SetValue(char *sp, uint len, int n)
+void CHRBLK::SetValue(const char *sp, uint len, int n)
   {
   char  *p = Chrp + n * Long;
 
@@ -1152,7 +1152,7 @@ void STRBLK::SetValue(PVAL valp, int n)
 /***********************************************************************/
 /*  Set one value in a block from a zero terminated string.            */
 /***********************************************************************/
-void STRBLK::SetValue(PSZ p, int n)
+void STRBLK::SetValue(PCSZ p, int n)
   {
   if (p) {
     if (!Sorted || !n || !Strp[n-1] || strcmp(p, Strp[n-1]))
@@ -1168,7 +1168,7 @@ void STRBLK::SetValue(PSZ p, int n)
 /***********************************************************************/
 /*  Set one value in a block from an array of characters.              */
 /***********************************************************************/
-void STRBLK::SetValue(char *sp, uint len, int n)
+void STRBLK::SetValue(const char *sp, uint len, int n)
   {
   PSZ p;
 
@@ -1316,7 +1316,7 @@ DATBLK::DATBLK(void *mp, int nval) : TYPBLK<int>(mp, nval, TYPE_INT)
 /***********************************************************************/
 /*  Set format so formatted dates can be converted on input.           */
 /***********************************************************************/
-bool DATBLK::SetFormat(PGLOBAL g, PSZ fmt, int len, int year)
+bool DATBLK::SetFormat(PGLOBAL g, PCSZ fmt, int len, int year)
   {
   if (!(Dvalp = AllocateValue(g, TYPE_DATE, len, year, false, fmt)))
     return true;
@@ -1343,7 +1343,7 @@ char *DATBLK::GetCharString(char *p, int n)
 /***********************************************************************/
 /*  Set one value in a block from a char string.                       */
 /***********************************************************************/
-void DATBLK::SetValue(PSZ p, int n)
+void DATBLK::SetValue(PCSZ p, int n)
   {
   if (Dvalp) {
     // Decode the string according to format

storage/connect/valblk.h

@@ -91,7 +91,7 @@ class VALBLK : public BLOCK {
   virtual char  *GetCharString(char *p, int n) = 0;
   virtual void   ReAlloc(void *mp, int n) {Blkp = mp; Nval = n;}
   virtual void   Reset(int n) = 0;
-  virtual bool   SetFormat(PGLOBAL g, PSZ fmt, int len, int year = 0);
+  virtual bool   SetFormat(PGLOBAL g, PCSZ fmt, int len, int year = 0);
   virtual void   SetPrec(int p) {}
   virtual bool   IsCi(void) {return false;}
 
@@ -105,8 +105,8 @@ class VALBLK : public BLOCK {
   virtual void   SetValue(double, int) {assert(false);}
   virtual void   SetValue(char, int) {assert(false);}
   virtual void   SetValue(uchar, int) {assert(false);}
-  virtual void   SetValue(PSZ, int) {assert(false);}
+  virtual void   SetValue(PCSZ, int) {assert(false);}
-  virtual void   SetValue(char *, uint, int) {assert(false);}
+  virtual void   SetValue(const char *, uint, int) {assert(false);}
   virtual void   SetValue(PVAL valp, int n) = 0;
   virtual void   SetValue(PVBLK pv, int n1, int n2) = 0;
   virtual void   SetMin(PVAL valp, int n) = 0;
@@ -165,8 +165,8 @@ class TYPBLK : public VALBLK {
 
   // Methods
   using VALBLK::SetValue;
-  virtual void   SetValue(PSZ sp, int n);
+  virtual void   SetValue(PCSZ sp, int n);
-  virtual void   SetValue(char *sp, uint len, int n);
+  virtual void   SetValue(const char *sp, uint len, int n);
   virtual void   SetValue(short sval, int n)
                   {Typp[n] = (TYPE)sval; SetNull(n, false);}
   virtual void   SetValue(ushort sval, int n)
@@ -236,8 +236,8 @@ class CHRBLK : public VALBLK {
 
   // Methods
   using VALBLK::SetValue;
-  virtual void   SetValue(PSZ sp, int n);
+  virtual void   SetValue(PCSZ sp, int n);
-  virtual void   SetValue(char *sp, uint len, int n);
+  virtual void   SetValue(const char *sp, uint len, int n);
   virtual void   SetValue(PVAL valp, int n);
   virtual void   SetValue(PVBLK pv, int n1, int n2);
   virtual void   SetMin(PVAL valp, int n);
@@ -290,8 +290,8 @@ class STRBLK : public VALBLK {
 
   // Methods
   using VALBLK::SetValue;
-  virtual void   SetValue(PSZ sp, int n);
+  virtual void   SetValue(PCSZ sp, int n);
-  virtual void   SetValue(char *sp, uint len, int n);
+  virtual void   SetValue(const char *sp, uint len, int n);
   virtual void   SetValue(PVAL valp, int n);
   virtual void   SetValue(PVBLK pv, int n1, int n2);
   virtual void   SetMin(PVAL valp, int n);
@@ -322,12 +322,12 @@ class DATBLK : public TYPBLK<int> {
   DATBLK(void *mp, int size);
 
   // Implementation
-  virtual bool  SetFormat(PGLOBAL g, PSZ fmt, int len, int year = 0);
+  virtual bool  SetFormat(PGLOBAL g, PCSZ fmt, int len, int year = 0);
   virtual char *GetCharString(char *p, int n);
 
   // Methods
   using TYPBLK<int>::SetValue;
-  virtual void  SetValue(PSZ sp, int n);
+  virtual void  SetValue(PCSZ sp, int n);
 
  protected:
   // Members
@@ -352,7 +352,7 @@ class PTRBLK : public STRBLK {
   // Methods
   using STRBLK::SetValue;
   using STRBLK::CompVal;
-  virtual void   SetValue(PSZ p, int n) {Strp[n] = p;}
+  virtual void   SetValue(PCSZ p, int n) {Strp[n] = (char*)p;}
   virtual int    CompVal(int i1, int i2);
 
  protected:

storage/connect/value.cpp

@@ -1,5 +1,5 @@
 /************* Value C++ Functions Source Code File (.CPP) *************/
-/*  Name: VALUE.CPP  Version 2.7                                       */
+/*  Name: VALUE.CPP  Version 2.8                                       */
 /*                                                                     */
 /*  (C) Copyright to the author Olivier BERTRAND          2001-2017    */
 /*                                                                     */
@@ -94,10 +94,10 @@ PSZ strlwr(PSZ s);
 /*  OUT minus: Set to true if the number is negative                   */
 /*  Returned val: The resulting number                                 */
 /***********************************************************************/
-ulonglong CharToNumber(char *p, int n, ulonglong maxval,
+ulonglong CharToNumber(const char *p, int n, ulonglong maxval,
                        bool un, bool *minus, bool *rc)
 {
-  char     *p2;
+  const char *p2;
   uchar       c;
   ulonglong   val;
 
@@ -138,9 +138,9 @@ ulonglong CharToNumber(char *p, int n, ulonglong maxval,
 /***********************************************************************/
 /*  GetTypeName: returns the PlugDB internal type name.                */
 /***********************************************************************/
-PSZ GetTypeName(int type)
+PCSZ GetTypeName(int type)
   {
-  PSZ name;
+  PCSZ name;
 
   switch (type) {
     case TYPE_STRING: name = "CHAR";     break;
@@ -184,9 +184,9 @@ int GetTypeSize(int type, int len)
 /***********************************************************************/
 /*  GetFormatType: returns the FORMAT character(s) according to type.  */
 /***********************************************************************/
-char *GetFormatType(int type)
+const char *GetFormatType(int type)
   {
-  char *c = "X";
+  const char *c = "X";
 
   switch (type) {
     case TYPE_STRING: c = "C"; break;
@@ -370,7 +370,7 @@ PVAL AllocateValue(PGLOBAL g, void *value, short type, short prec)
 /*  Allocate a variable Value according to type, length and precision. */
 /***********************************************************************/
 PVAL AllocateValue(PGLOBAL g, int type, int len, int prec,
-                   bool uns, PSZ fmt)
+                   bool uns, PCSZ fmt)
   {
   PVAL valp;
 
@@ -714,7 +714,7 @@ uchar TYPVAL<uchar>::GetTypedValue(PVAL valp)
 /*  TYPVAL SetValue: convert chars extracted from a line to TYPE value.*/
 /***********************************************************************/
 template <class TYPE>
-bool TYPVAL<TYPE>::SetValue_char(char *p, int n)
+bool TYPVAL<TYPE>::SetValue_char(const char *p, int n)
   {
   bool      rc, minus;
   ulonglong maxval = MaxVal();
@@ -736,7 +736,7 @@ bool TYPVAL<TYPE>::SetValue_char(char *p, int n)
   } // end of SetValue
 
 template <>
-bool TYPVAL<double>::SetValue_char(char *p, int n)
+bool TYPVAL<double>::SetValue_char(const char *p, int n)
   {
   if (p && n > 0) {
     char buf[64];
@@ -764,7 +764,7 @@ bool TYPVAL<double>::SetValue_char(char *p, int n)
 /*  TYPVAL SetValue: fill a typed value from a string.                 */
 /***********************************************************************/
 template <class TYPE>
-void TYPVAL<TYPE>::SetValue_psz(PSZ s)
+void TYPVAL<TYPE>::SetValue_psz(PCSZ s)
   {
   if (s) {
     SetValue_char(s, (int)strlen(s));
@@ -1202,7 +1202,7 @@ bool TYPVAL<TYPE>::Compall(PGLOBAL g, PVAL *vp, int np, OPVAL op)
 /*  This function assumes that the format matches the value type.      */
 /***********************************************************************/
 template <class TYPE>
-bool TYPVAL<TYPE>::FormatValue(PVAL vp, char *fmt)
+bool TYPVAL<TYPE>::FormatValue(PVAL vp, PCSZ fmt)
   {
   char *buf = (char*)vp->GetTo_Val();        // Should be big enough
   int   n = sprintf(buf, fmt, Tval);
@@ -1362,25 +1362,25 @@ bool TYPVAL<PSZ>::SetValue_pval(PVAL valp, bool chktype)
 /***********************************************************************/
 /*  STRING SetValue: fill string with chars extracted from a line.     */
 /***********************************************************************/
-bool TYPVAL<PSZ>::SetValue_char(char *p, int n)
+bool TYPVAL<PSZ>::SetValue_char(const char *cp, int n)
   {
   bool rc = false;
 
-  if (!p || n == 0) {
+  if (!cp || n == 0) {
 		Reset();
 		Null = Nullable;
-	} else if (p != Strp) {
+	} else if (cp != Strp) {
-		rc = n > Len;
+		const char *p = cp + n - 1;
 
-    if ((n = MY_MIN(n, Len))) {
+		for (p; p >= cp; p--, n--)
-    	strncpy(Strp, p, n);
-
-//    for (p = Strp + n - 1; p >= Strp && (*p == ' ' || *p == '\0'); p--) ;
-      for (p = Strp + n - 1; p >= Strp; p--)
 			if (*p && *p != ' ')
 				break;
 
-      *(++p) = '\0';
+		rc = n > Len;
+
+    if ((n = MY_MIN(n, Len))) {
+    	strncpy(Strp, cp, n);
+	    Strp[n] = '\0';
 
       if (trace > 1)
         htrc(" Setting string to: '%s'\n", Strp);
@@ -1397,7 +1397,7 @@ bool TYPVAL<PSZ>::SetValue_char(char *p, int n)
 /***********************************************************************/
 /*  STRING SetValue: fill string with another string.                  */
 /***********************************************************************/
-void TYPVAL<PSZ>::SetValue_psz(PSZ s)
+void TYPVAL<PSZ>::SetValue_psz(PCSZ s)
   {
   if (!s) {
 		Reset();
@@ -1560,7 +1560,7 @@ void TYPVAL<PSZ>::SetValue(uchar c)
 /***********************************************************************/
 void TYPVAL<PSZ>::SetBinValue(void *p)
   {
-  SetValue_char((char *)p, Len);
+  SetValue_char((const char *)p, Len);
   } // end of SetBinValue
 
 /***********************************************************************/
@@ -1690,7 +1690,7 @@ bool TYPVAL<PSZ>::Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op)
 /*  constructed from its own value formated using the fmt format.      */
 /*  This function assumes that the format matches the value type.      */
 /***********************************************************************/
-bool TYPVAL<PSZ>::FormatValue(PVAL vp, char *fmt)
+bool TYPVAL<PSZ>::FormatValue(PVAL vp, PCSZ fmt)
   {
   char *buf = (char*)vp->GetTo_Val();        // Should be big enough
   int   n = sprintf(buf, fmt, Strp);
@@ -1810,102 +1810,6 @@ bool DECVAL::GetBinValue(void *buf, int buflen, bool go)
   return false;
   } // end of GetBinValue
 
-#if 0
-/***********************************************************************/
-/*  DECIMAL SetValue: copy the value of another Value object.          */
-/***********************************************************************/
-bool DECVAL::SetValue_pval(PVAL valp, bool chktype)
-  {
-  if (chktype && (valp->GetType() != Type || valp->GetSize() > Len))
-    return true;
-
-  char buf[64];
-
-  if (!(Null = valp->IsNull() && Nullable))
-    strncpy(Strp, valp->GetCharString(buf), Len);
-  else
-    Reset();
-
-  return false;
-  } // end of SetValue_pval
-
-/***********************************************************************/
-/*  DECIMAL SetValue: fill string with chars extracted from a line.    */
-/***********************************************************************/
-bool DECVAL::SetValue_char(char *p, int n)
-  {
-  bool rc;
-
-  if (p && n > 0) {
-    rc = n > Len;
-
-    if ((n = MY_MIN(n, Len))) {
-    	strncpy(Strp, p, n);
-
-//    for (p = Strp + n - 1; p >= Strp && (*p == ' ' || *p == '\0'); p--) ;
-      for (p = Strp + n - 1; p >= Strp; p--)
-        if (*p && *p != ' ')
-          break;
-
-      *(++p) = '\0';
-
-      if (trace > 1)
-        htrc(" Setting string to: '%s'\n", Strp);
-
-    } else
-      Reset();
-
-    Null = false;
-  } else {
-    rc = false;
-    Reset();
-    Null = Nullable;
-  } // endif p
-
-  return rc;
-  } // end of SetValue_char
-
-/***********************************************************************/
-/*  DECIMAL SetValue: fill string with another string.                 */
-/***********************************************************************/
-void DECVAL::SetValue_psz(PSZ s)
-  {
-  if (s) {
-    strncpy(Strp, s, Len);
-    Null = false;
-  } else {
-    Reset();
-    Null = Nullable;
-  } // endif s
-
-  } // end of SetValue_psz
-
-/***********************************************************************/
-/*  DECIMAL SetValue: fill string with a string extracted from a block.*/
-/***********************************************************************/
-void DECVAL::SetValue_pvblk(PVBLK blk, int n)
-  {
-  // STRBLK's can return a NULL pointer
-  SetValue_psz(blk->GetCharValue(n));
-  } // end of SetValue_pvblk
-
-/***********************************************************************/
-/*  DECIMAL SetBinValue: fill string with chars extracted from a line. */
-/***********************************************************************/
-void DECVAL::SetBinValue(void *p)
-  {
-  SetValue_char((char *)p, Len);
-  } // end of SetBinValue
-
-/***********************************************************************/
-/*  DECIMAL GetCharString: get string representation of a char value.  */
-/***********************************************************************/
-char *DECVAL::GetCharString(char *p)
-  {
-  return Strp;
-  } // end of GetCharString
-#endif // 0
-
 /***********************************************************************/
 /*  DECIMAL compare value with another Value.                          */
 /***********************************************************************/
@@ -1940,32 +1844,6 @@ int DECVAL::CompareValue(PVAL vp)
   return (f > n) ? 1 : (f < n) ? (-1) : 0;
   } // end of CompareValue
 
-#if 0
-/***********************************************************************/
-/*  FormatValue: This function set vp (a STRING value) to the string   */
-/*  constructed from its own value formated using the fmt format.      */
-/*  This function assumes that the format matches the value type.      */
-/***********************************************************************/
-bool DECVAL::FormatValue(PVAL vp, char *fmt)
-  {
-  char *buf = (char*)vp->GetTo_Val();        // Should be big enough
-  int   n = sprintf(buf, fmt, Strp);
-
-  return (n > vp->GetValLen());
-  } // end of FormatValue
-
-/***********************************************************************/
-/*  DECIMAL SetFormat function (used to set SELECT output format).     */
-/***********************************************************************/
-bool DECVAL::SetConstFormat(PGLOBAL g, FORMAT& fmt)
-  {
-  fmt.Type[0] = 'C';
-  fmt.Length = Len;
-  fmt.Prec = 0;
-  return false;
-  } // end of SetConstFormat
-#endif // 0
-
 /* -------------------------- Class BINVAL --------------------------- */
 
 /***********************************************************************/
@@ -2123,7 +2001,7 @@ bool BINVAL::SetValue_pval(PVAL valp, bool chktype)
 /***********************************************************************/
 /*  BINVAL SetValue: fill value with chars extracted from a line.      */
 /***********************************************************************/
-bool BINVAL::SetValue_char(char *p, int n)
+bool BINVAL::SetValue_char(const char *p, int n)
   {
   bool rc;
 
@@ -2144,7 +2022,7 @@ bool BINVAL::SetValue_char(char *p, int n)
 /***********************************************************************/
 /*  BINVAL SetValue: fill value with another string.                   */
 /***********************************************************************/
-void BINVAL::SetValue_psz(PSZ s)
+void BINVAL::SetValue_psz(PCSZ s)
   {
   if (s) {
     Len = MY_MIN(Clen, (signed)strlen(s));
@@ -2370,7 +2248,7 @@ bool BINVAL::IsEqual(PVAL vp, bool chktype)
 /*  constructed from its own value formated using the fmt format.      */
 /*  This function assumes that the format matches the value type.      */
 /***********************************************************************/
-bool BINVAL::FormatValue(PVAL vp, char *fmt)
+bool BINVAL::FormatValue(PVAL vp, PCSZ fmt)
   {
   char *buf = (char*)vp->GetTo_Val();        // Should be big enough
   int   n = sprintf(buf, fmt, Len, Binp);
@@ -2394,7 +2272,7 @@ bool BINVAL::SetConstFormat(PGLOBAL, FORMAT& fmt)
 /***********************************************************************/
 /*  DTVAL  public constructor for new void values.                     */
 /***********************************************************************/
-DTVAL::DTVAL(PGLOBAL g, int n, int prec, PSZ fmt)
+DTVAL::DTVAL(PGLOBAL g, int n, int prec, PCSZ fmt)
      : TYPVAL<int>((int)0, TYPE_DATE)
   {
   if (!fmt) {
@@ -2423,7 +2301,7 @@ DTVAL::DTVAL(int n) : TYPVAL<int>(n, TYPE_DATE)
 /***********************************************************************/
 /*  Set format so formatted dates can be converted on input/output.    */
 /***********************************************************************/
-bool DTVAL::SetFormat(PGLOBAL g, PSZ fmt, int len, int year)
+bool DTVAL::SetFormat(PGLOBAL g, PCSZ fmt, int len, int year)
   {
   Pdtp = MakeDateFormat(g, fmt, true, true, (year > 9999) ? 1 : 0);
   Sdate = (char*)PlugSubAlloc(g, NULL, len + 1);
@@ -2699,12 +2577,12 @@ bool DTVAL::SetValue_pval(PVAL valp, bool chktype)
 /***********************************************************************/
 /*  SetValue: convert chars extracted from a line to date value.       */
 /***********************************************************************/
-bool DTVAL::SetValue_char(char *p, int n)
+bool DTVAL::SetValue_char(const char *p, int n)
   {
   bool rc= 0;
 
   if (Pdtp) {
-    char *p2;
+    const char *p2;
     int ndv;
     int dval[6];
 
@@ -2738,7 +2616,7 @@ bool DTVAL::SetValue_char(char *p, int n)
 /***********************************************************************/
 /*  SetValue: convert a char string to date value.                     */
 /***********************************************************************/
-void DTVAL::SetValue_psz(PSZ p)
+void DTVAL::SetValue_psz(PCSZ p)
   {
   if (Pdtp) {
     int ndv;
@@ -2832,8 +2710,10 @@ char *DTVAL::ShowValue(char *buf, int len)
         strncat(p, "Error", m);
         } // endif n
 
-    } else
+		} else {
-      p = "";                 // DEFAULT VALUE ???
+			p = buf;
+			*p = '\0';               // DEFAULT VALUE ???
+		} // endif Null
 
     return p;
   } else
@@ -2898,7 +2778,7 @@ bool DTVAL::WeekNum(PGLOBAL g, int& nval)
 /*  constructed from its own value formated using the fmt format.      */
 /*  This function assumes that the format matches the value type.      */
 /***********************************************************************/
-bool DTVAL::FormatValue(PVAL vp, char *fmt)
+bool DTVAL::FormatValue(PVAL vp, PCSZ fmt)
   {
   char     *buf = (char*)vp->GetTo_Val();       // Should be big enough
   struct tm tm, *ptm = GetGmTime(&tm);

storage/connect/value.h

@@ -1,7 +1,7 @@
 /**************** Value H Declares Source Code File (.H) ***************/
-/*  Name: VALUE.H    Version 2.2                                       */
+/*  Name: VALUE.H    Version 2.3                                       */
 /*                                                                     */
-/*  (C) Copyright to the author Olivier BERTRAND          2001-2016    */
+/*  (C) Copyright to the author Olivier BERTRAND          2001-2017    */
 /*                                                                     */
 /*  This file contains the VALUE and derived classes declares.         */
 /***********************************************************************/
@@ -40,14 +40,14 @@ typedef struct _datpar *PDTP;         // For DTVAL
 /*  Utilities used to test types and to allocated values.              */
 /***********************************************************************/
 // Exported functions
-DllExport PSZ   GetTypeName(int);
+DllExport PCSZ  GetTypeName(int);
 DllExport int   GetTypeSize(int, int);
 #ifdef ODBC_SUPPORT
 /* This function is exported for use in OEM table type DLLs */
 DllExport int   TranslateSQLType(int stp, int prec, 
                                  int& len, char& v, bool& w);
 #endif
-DllExport char *GetFormatType(int);
+DllExport const char *GetFormatType(int);
 DllExport int   GetFormatType(char);
 DllExport bool  IsTypeChar(int type);
 DllExport bool  IsTypeNum(int type);
@@ -55,8 +55,8 @@ DllExport int   ConvertType(int, int, CONV, bool match = false);
 DllExport PVAL  AllocateValue(PGLOBAL, void *, short, short = 2);
 DllExport PVAL  AllocateValue(PGLOBAL, PVAL, int = TYPE_VOID, int = 0);
 DllExport PVAL  AllocateValue(PGLOBAL, int, int len = 0, int prec = 0,
-                              bool uns = false, PSZ fmt = NULL);
+                              bool uns = false, PCSZ fmt = NULL);
-DllExport ulonglong CharToNumber(char *, int, ulonglong, bool,
+DllExport ulonglong CharToNumber(PCSZ, int, ulonglong, bool,
                                  bool *minus = NULL, bool *rc = NULL);
 DllExport BYTE OpBmp(PGLOBAL g, OPVAL opc);
 
@@ -100,8 +100,8 @@ class DllExport VALUE : public BLOCK {
 
   // Methods
   virtual bool   SetValue_pval(PVAL valp, bool chktype = false) = 0;
-  virtual bool   SetValue_char(char *p, int n) = 0;
+  virtual bool   SetValue_char(const char *p, int n) = 0;
-  virtual void   SetValue_psz(PSZ s) = 0;
+  virtual void   SetValue_psz(PCSZ s) = 0;
   virtual void   SetValue_bool(bool) {assert(FALSE);}
   virtual int    CompareValue(PVAL vp) = 0;
   virtual BYTE   TestValue(PVAL vp);
@@ -121,7 +121,7 @@ class DllExport VALUE : public BLOCK {
   virtual char  *GetCharString(char *p) = 0;
   virtual bool   IsEqual(PVAL vp, bool chktype) = 0;
   virtual bool   Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
-  virtual bool   FormatValue(PVAL vp, char *fmt) = 0;
+  virtual bool   FormatValue(PVAL vp, PCSZ fmt) = 0;
 	virtual void   Print(PGLOBAL g, FILE *, uint);
 	virtual void   Print(PGLOBAL g, char *ps, uint z);
 
@@ -213,8 +213,8 @@ class DllExport TYPVAL : public VALUE {
 
   // Methods
   virtual bool   SetValue_pval(PVAL valp, bool chktype);
-  virtual bool   SetValue_char(char *p, int n);
+  virtual bool   SetValue_char(const char *p, int n);
-  virtual void   SetValue_psz(PSZ s);
+  virtual void   SetValue_psz(PCSZ s);
   virtual void   SetValue_bool(bool b) {Tval = (b) ? 1 : 0;}
   virtual int    CompareValue(PVAL vp);
   virtual void   SetValue(char c) {Tval = (TYPE)c; Null = false;}
@@ -234,7 +234,7 @@ class DllExport TYPVAL : public VALUE {
   virtual bool   IsEqual(PVAL vp, bool chktype);
   virtual bool   Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
   virtual bool   SetConstFormat(PGLOBAL, FORMAT&);
-  virtual bool   FormatValue(PVAL vp, char *fmt);
+  virtual bool   FormatValue(PVAL vp, PCSZ fmt);
 
  protected:
   static  TYPE   MinMaxVal(bool b);
@@ -287,8 +287,8 @@ class DllExport TYPVAL<PSZ>: public VALUE {
 
   // Methods
   virtual bool   SetValue_pval(PVAL valp, bool chktype);
-  virtual bool   SetValue_char(char *p, int n);
+  virtual bool   SetValue_char(const char *p, int n);
-  virtual void   SetValue_psz(PSZ s);
+  virtual void   SetValue_psz(PCSZ s);
   virtual void   SetValue_pvblk(PVBLK blk, int n);
   virtual void   SetValue(char c);
   virtual void   SetValue(uchar c);
@@ -306,7 +306,7 @@ class DllExport TYPVAL<PSZ>: public VALUE {
   virtual char  *GetCharString(char *p);
   virtual bool   IsEqual(PVAL vp, bool chktype);
   virtual bool   Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
-  virtual bool   FormatValue(PVAL vp, char *fmt);
+  virtual bool   FormatValue(PVAL vp, PCSZ fmt);
   virtual bool   SetConstFormat(PGLOBAL, FORMAT&);
 	virtual void   Print(PGLOBAL g, char *ps, uint z);
 
@@ -372,8 +372,8 @@ class DllExport BINVAL: public VALUE {
 
   // Methods
   virtual bool   SetValue_pval(PVAL valp, bool chktype);
-  virtual bool   SetValue_char(char *p, int n);
+  virtual bool   SetValue_char(const char *p, int n);
-  virtual void   SetValue_psz(PSZ s);
+  virtual void   SetValue_psz(PCSZ s);
   virtual void   SetValue_pvblk(PVBLK blk, int n);
   virtual void   SetValue(char c);
   virtual void   SetValue(uchar c);
@@ -390,7 +390,7 @@ class DllExport BINVAL: public VALUE {
   virtual char  *ShowValue(char *buf, int);
   virtual char  *GetCharString(char *p);
   virtual bool   IsEqual(PVAL vp, bool chktype);
-  virtual bool   FormatValue(PVAL vp, char *fmt);
+  virtual bool   FormatValue(PVAL vp, PCSZ fmt);
   virtual bool   SetConstFormat(PGLOBAL, FORMAT&);
 
  protected:
@@ -406,18 +406,18 @@ class DllExport BINVAL: public VALUE {
 class DllExport DTVAL : public TYPVAL<int> {
  public:
   // Constructors
-  DTVAL(PGLOBAL g, int n, int p, PSZ fmt);
+  DTVAL(PGLOBAL g, int n, int p, PCSZ fmt);
   DTVAL(int n);
 
   // Implementation
   virtual bool   SetValue_pval(PVAL valp, bool chktype);
-  virtual bool   SetValue_char(char *p, int n);
+  virtual bool   SetValue_char(const char *p, int n);
-  virtual void   SetValue_psz(PSZ s);
+  virtual void   SetValue_psz(PCSZ s);
   virtual void   SetValue_pvblk(PVBLK blk, int n);
   virtual char  *GetCharString(char *p);
   virtual char  *ShowValue(char *buf, int);
-  virtual bool   FormatValue(PVAL vp, char *fmt);
+  virtual bool   FormatValue(PVAL vp, PCSZ fmt);
-          bool   SetFormat(PGLOBAL g, PSZ fmt, int len, int year = 0);
+          bool   SetFormat(PGLOBAL g, PCSZ fmt, int len, int year = 0);
           bool   SetFormat(PGLOBAL g, PVAL valp);
           bool   IsFormatted(void) {return Pdtp != NULL;}
           bool   MakeTime(struct tm *ptm);

storage/connect/xindex.cpp

@@ -819,7 +819,7 @@ bool XINDEX::Reorder(PGLOBAL g __attribute__((unused)))
 /***********************************************************************/
 bool XINDEX::SaveIndex(PGLOBAL g, PIXDEF sxp)
   {
-  char   *ftype;
+  PCSZ    ftype;
   char    fn[_MAX_PATH];
   int     n[NZ], nof = (Mul) ? (Ndif + 1) : 0;
   int     id = -1, size = 0;
@@ -948,7 +948,7 @@ bool XINDEX::Init(PGLOBAL g)
   /*  Table will be accessed through an index table.                   */
   /*  If sorting is required, this will be done later.                 */
   /*********************************************************************/
-  char   *ftype;
+  PCSZ    ftype;
   char    fn[_MAX_PATH];
   int     k, n, nv[NZ], id = -1;
   bool    estim = false;
@@ -1412,7 +1412,7 @@ err:
 /***********************************************************************/
 bool XINDEX::GetAllSizes(PGLOBAL g,/* int &ndif,*/ int &numk)
   {
-  char   *ftype;
+  PCSZ    ftype;
   char    fn[_MAX_PATH];
   int     nv[NZ], id = -1; // n
 //bool    estim = false;
@@ -2320,7 +2320,7 @@ XFILE::XFILE(void) : XLOAD()
 /***********************************************************************/
 bool XFILE::Open(PGLOBAL g, char *filename, int id, MODE mode)
   {
-  char *pmod;
+  PCSZ pmod;
   bool rc;
   IOFF noff[MAX_INDX];
 

storage/connect/xobject.cpp

@@ -192,7 +192,7 @@ void CONSTANT::Print(PGLOBAL g, char *ps, uint z)
 /*  STRING public constructor for new char values. Alloc Size must be  */
 /*  calculated because PlugSubAlloc rounds up size to multiple of 8.   */
 /***********************************************************************/
-STRING::STRING(PGLOBAL g, uint n, PSZ str)
+STRING::STRING(PGLOBAL g, uint n, PCSZ str)
 {
   G = g;
   Length = (str) ? strlen(str) : 0;

storage/connect/xobject.h

@@ -123,7 +123,7 @@ class DllExport CONSTANT : public XOBJECT {
 class DllExport STRING : public BLOCK {
  public:
   // Constructor
-  STRING(PGLOBAL g, uint n, PSZ str = NULL);
+  STRING(PGLOBAL g, uint n, PCSZ str = NULL);
 
   // Implementation
   inline int    GetLength(void) {return (int)Length;}

storage/connect/xtable.h

@@ -89,7 +89,7 @@ class DllExport TDB: public BLOCK {     // Table Descriptor Block.
   virtual bool   IsSpecial(PSZ name);
 	virtual bool   IsReadOnly(void) {return Read_Only;}
   virtual bool   IsView(void) {return FALSE;}
-	virtual PSZ    GetPath(void);
+	virtual PCSZ   GetPath(void);
 	virtual RECFM  GetFtype(void) {return RECFM_NAF;}
 	virtual bool   GetBlockValues(PGLOBAL) { return false; }
   virtual int    Cardinality(PGLOBAL) {return 0;}
@@ -111,7 +111,7 @@ class DllExport TDB: public BLOCK {     // Table Descriptor Block.
                   {fprintf(f, "%s AM(%d)\n",  m, GetAmType());}
   virtual void   Print(PGLOBAL g, FILE *f, uint n);
   virtual void   Print(PGLOBAL g, char *ps, uint z);
-  virtual PSZ    GetServer(void) = 0;
+  virtual PCSZ   GetServer(void) = 0;
   virtual int    GetBadLines(void) {return 0;}
 	virtual CHARSET_INFO *data_charset(void);
 
@@ -184,7 +184,7 @@ class DllExport TDBASE : public TDB {
   virtual int    GetProgMax(PGLOBAL g) {return GetMaxSize(g);}
   virtual void   RestoreNrec(void) {}
   virtual int    ResetTableOpt(PGLOBAL g, bool dop, bool dox);
-  virtual PSZ    GetServer(void) {return "Current";}
+  virtual PCSZ   GetServer(void) {return "Current";}
 
   // Database routines
   virtual int  MakeIndex(PGLOBAL g, PIXDEF, bool)