- Fix MDEV-6802 in a clean way.

Add an union in the PARM structure to contain int values
  Use a cast to ptrdiff_t in MAPFAM/MXPFAM::InitDelete required by some compilers
modified:
  storage/connect/array.cpp
  storage/connect/filamap.cpp
  storage/connect/filamtxt.cpp
  storage/connect/global.h
  
- Suppress some GCC warnings
modified:
  storage/connect/array.cpp
  storage/connect/filter.cpp
  storage/connect/tabdos.cpp
  storage/connect/tabmysql.cpp
  storage/connect/value.cpp

storage/connect/array.cpp

@@ -130,7 +130,7 @@ PARRAY MakeValueArray(PGLOBAL g, PPARM pp)
         break;
       case TYPE_VOID:
         // Integer stored inside pp->Value
-        par->AddValue(g, (int)(uintptr_t)parmp->Value);
+        par->AddValue(g, parmp->Intval);
         break;
       } // endswitch valtyp
 
@@ -609,13 +609,13 @@ int ARRAY::Convert(PGLOBAL g, int k, PVAL vp)
 
   Size = Nval;
   Nval = 0;
-  Vblp = Valblk->Allocate(g, Type, Len, 0, Size);
+  Vblp = Valblk->Allocate(g, Type, Len, prec, Size);
 
   if (!Valblk->GetMemp())
     // The error message was built by PlgDBalloc
     return TYPE_ERROR;
   else
-    Value = AllocateValue(g, Type, Len, 0, NULL);
+    Value = AllocateValue(g, Type, Len, prec, NULL);
 
   /*********************************************************************/
   /*  Converting STRING to DATE can be done according to date format.  */

storage/connect/filamap.cpp

@@ -30,7 +30,6 @@
 #include <io.h>
 #endif  // !UNIX
 #include <fcntl.h>
-#include <stdint.h>                      // for uintprt_h
 #endif  // !WIN32
 
 /***********************************************************************/
@@ -291,8 +290,8 @@ bool MAPFAM::RecordPos(PGLOBAL g)
 /***********************************************************************/
 int MAPFAM::InitDelete(PGLOBAL g, int fpos, int spos)
   {
-  Fpos = Memory + (uintptr_t)fpos;
+  Fpos = Memory + (ptrdiff_t)fpos;
-  Mempos = Memory + (uintptr_t)spos;
+  Mempos = Memory + (ptrdiff_t)spos;
   return RC_OK;
   } // end of InitDelete
 
@@ -686,7 +685,7 @@ bool MPXFAM::SetPos(PGLOBAL g, int pos)
 /***********************************************************************/
 int MPXFAM::InitDelete(PGLOBAL g, int fpos, int spos)
   {
-  Fpos = Memory + Headlen + (uintptr_t)fpos * Lrecl;
+  Fpos = Memory + Headlen + (ptrdiff_t)fpos * Lrecl;
   Mempos = Fpos + Lrecl;
   return RC_OK;
   } // end of InitDelete

storage/connect/filamtxt.cpp

@@ -287,7 +287,7 @@ bool TXTFAM::AddListValue(PGLOBAL g, int type, void *val, PPARM *top)
 //    *((int*)pp->Value) = *((int*)val);
 //    break;
     case TYPE_VOID:
-      pp->Value = (void*)*(int*)val;
+      pp->Intval = *(int*)val;
       break;
 //  case TYPE_STRING:
 //    pp->Value = PlugSubAlloc(g, NULL, strlen((char*)val) + 1);

storage/connect/filter.cpp

@@ -63,7 +63,7 @@ static PPARM MakeParm(PGLOBAL g, PXOB xp)
   } // end of MakeParm
 
 /***********************************************************************/
-/*  Routines called externally by FILTER function.                     */
+/*  Routines called internally/externally by FILTER functions.         */
 /***********************************************************************/
 bool   PlugEvalLike(PGLOBAL, LPCSTR, LPCSTR, bool);
 //bool  ReadSubQuery(PGLOBAL, PSUBQ);
@@ -72,6 +72,32 @@ bool   PlugEvalLike(PGLOBAL, LPCSTR, LPCSTR, bool);
 BYTE   OpBmp(PGLOBAL g, OPVAL opc);
 PARRAY MakeValueArray(PGLOBAL g, PPARM pp);
 
+/***********************************************************************/
+/*  Returns the bitmap representing the conditions that must not be    */
+/*  met when returning from TestValue for a given operator.            */
+/*  Bit one is EQ, bit 2 is LT, and bit 3 is GT.                       */
+/***********************************************************************/
+BYTE OpBmp(PGLOBAL g, OPVAL opc)
+  {
+  BYTE bt;
+
+  switch (opc) {
+    case OP_IN:
+    case OP_EQ: bt = 0x06; break;
+    case OP_NE: bt = 0x01; break;
+    case OP_GT: bt = 0x03; break;
+    case OP_GE: bt = 0x02; break;
+    case OP_LT: bt = 0x05; break;
+    case OP_LE: bt = 0x04; break;
+    case OP_EXIST: bt = 0x00; break;
+    default:
+      sprintf(g->Message, MSG(BAD_FILTER_OP), opc);
+      longjmp(g->jumper[g->jump_level], TYPE_ARRAY);
+    } // endswitch opc
+
+  return bt;
+  } // end of OpBmp
+
 /***********************************************************************/
 /*  Routines called externally by CondFilter.                          */
 /***********************************************************************/

storage/connect/global.h

@@ -205,7 +205,10 @@ typedef struct _activity {          /* Describes activity and language */
 
 /*----------------  UNIT ??????????    VERSION ? ----------------------*/
 typedef struct _parm {
+  union {
     void *Value;
+    int   Intval;
+    }; // end union
   short Type, Domain;
   PPARM Next;
   } PARM;

storage/connect/tabdos.cpp

@@ -322,7 +322,7 @@ PTDB DOSDEF::GetTable(PGLOBAL g, MODE mode)
                                 && mode == MODE_UPDATE) &&
                 !(tmp == TMP_FORCE &&
                 (mode == MODE_UPDATE || mode == MODE_DELETE));
-  PTXF    txfp;
+  PTXF    txfp = NULL;
   PTDBASE tdbp;
 
   /*********************************************************************/
@@ -574,7 +574,7 @@ int TDBDOS::ResetTableOpt(PGLOBAL g, bool dop, bool dox)
 int TDBDOS::MakeBlockValues(PGLOBAL g)
   {
   int        i, lg, nrec, rc, n = 0;
-  int        curnum, curblk, block, last, savndv, savnbm;
+  int        curnum, curblk, block, savndv, savnbm;
   void      *savmin, *savmax;
   bool       blocked, xdb2 = false;
 //POOLHEADER save;
@@ -611,7 +611,7 @@ int TDBDOS::MakeBlockValues(PGLOBAL g)
   // to Rows+1 by unblocked variable length table access methods.
   curblk = -1;
   curnum = nrec - 1;
-  last = 0;
+//last = 0;
   Txfp->Block = block;                  // This is useful mainly for
   Txfp->CurBlk = curblk;                // blocked tables (ZLBFAM), for
   Txfp->CurNum = curnum;                // others it is just to be clean.
@@ -742,7 +742,7 @@ int TDBDOS::MakeBlockValues(PGLOBAL g)
         Txfp->BlkPos[curblk] = Txfp->GetPos();
         } // endif CurNum
 
-      last = curnum + 1;              // curnum is zero based
+//    last = curnum + 1;              // curnum is zero based
       Txfp->CurBlk = curblk;          // Used in COLDOS::SetMinMax
       Txfp->CurNum = curnum;          // Used in COLDOS::SetMinMax
     } // endif blocked
@@ -1351,7 +1351,7 @@ PBF TDBDOS::CheckBlockFilari(PGLOBAL g, PXOB *arg, int op, bool *cnv)
 //int     i, n1, n2, ctype = TYPE_ERROR, n = 0, type[2] = {0,0};
 //bool    conv = false, xdb2 = false, ok = false, b[2];
 //PXOB   *xarg1, *xarg2 = NULL, xp[2];
-  int     i, ctype = TYPE_ERROR, n = 0, type[2] = {0,0};
+  int     i, n = 0, type[2] = {0,0};
   bool    conv = false, xdb2 = false, ok = false;
   PXOB   *xarg2 = NULL, xp[2];
   PCOL    colp;
@@ -1363,7 +1363,7 @@ PBF TDBDOS::CheckBlockFilari(PGLOBAL g, PXOB *arg, int op, bool *cnv)
     switch (arg[i]->GetType()) {
       case TYPE_CONST:
         type[i] = 1;
-        ctype = arg[i]->GetResultType();
+ //     ctype = arg[i]->GetResultType();
         break;
       case TYPE_COLBLK:
         conv = cnv[i];
@@ -1388,7 +1388,7 @@ PBF TDBDOS::CheckBlockFilari(PGLOBAL g, PXOB *arg, int op, bool *cnv)
           // correlated subquery, it has a constant value during
           // each execution of the subquery.
           type[i] = 1;
-          ctype = arg[i]->GetResultType();
+//        ctype = arg[i]->GetResultType();
         } // endif this
 
         break;

storage/connect/tabmysql.cpp

@@ -888,6 +888,7 @@ bool TDBMYSQL::OpenDB(PGLOBAL g)
   } else if (Mode == MODE_INSERT) {
     if (Srcdef) {
       strcpy(g->Message, "No insert into anonym views");
+      Myc.Close();
       return true;
       } // endif Srcdef
 
@@ -906,12 +907,12 @@ bool TDBMYSQL::OpenDB(PGLOBAL g)
       } // endif MakeInsert
 
     if (m_Rc != RC_FX) {
-      int  rc;
       char cmd[64];
       int  w;
 
       sprintf(cmd, "ALTER TABLE `%s` DISABLE KEYS", Tabname);
-      rc = Myc.ExecSQL(g, cmd, &w);   // may fail for some engines
+      
+      m_Rc = Myc.ExecSQL(g, cmd, &w);   // may fail for some engines
       } // endif m_Rc
 
   } else

storage/connect/value.cpp

@@ -91,32 +91,6 @@ PSZ strlwr(PSZ s);
 }
 #endif   // !WIN32
 
-/***********************************************************************/
-/*  Returns the bitmap representing the conditions that must not be    */
-/*  met when returning from TestValue for a given operator.            */
-/*  Bit one is EQ, bit 2 is LT, and bit 3 is GT.                       */
-/***********************************************************************/
-BYTE OpBmp(PGLOBAL g, OPVAL opc)
-  {
-  BYTE bt;
-
-  switch (opc) {
-    case OP_IN:
-    case OP_EQ: bt = 0x06; break;
-    case OP_NE: bt = 0x01; break;
-    case OP_GT: bt = 0x03; break;
-    case OP_GE: bt = 0x02; break;
-    case OP_LT: bt = 0x05; break;
-    case OP_LE: bt = 0x04; break;
-    case OP_EXIST: bt = 0x00; break;
-    default:
-      sprintf(g->Message, MSG(BAD_FILTER_OP), opc);
-      longjmp(g->jumper[g->jump_level], TYPE_ARRAY);
-    } // endswitch opc
-
-  return bt;
-  } // end of OpBmp
-
 /***********************************************************************/
 /*  Get a long long number from its character representation.          */
 /*  IN  p: Pointer to the numeric string                               */