Fixing some of the compilation warnings.

storage/connect/CMakeLists.txt

@@ -39,7 +39,7 @@ add_definitions( -DHUGE_SUPPORT -DZIP_SUPPORT )
 #
 IF(UNIX)
   if(WITH_WARNINGS)
-    add_definitions(-Wall -Wfatal-errors -Wextra)
+    add_definitions(-Wall -Wfatal-errors -Wextra -Wmissing-declarations)
     message(STATUS "CONNECT: GCC: All warnings enabled")
   else()
     add_definitions(--no-warnings)

storage/connect/filamap.cpp

@@ -46,8 +46,6 @@
 #include "filamap.h"
 #include "tabdos.h"
 
-bool PushWarning(PGLOBAL, PTDBASE);
-
 /* --------------------------- Class MAPFAM -------------------------- */
 
 /***********************************************************************/

storage/connect/filamdbf.cpp

@@ -70,7 +70,6 @@
 /****************************************************************************/
 PQRYRES PlgAllocResult(PGLOBAL, int, int, int, int *, int *,
                 unsigned int *, bool blank = true, bool nonull = false);
-bool    PushWarning(PGLOBAL, PTDBASE);
 
 extern "C" int trace;                // The general trace value  
 

storage/connect/filamfix.cpp

@@ -52,7 +52,6 @@
 #endif
 
 extern int num_read, num_there, num_eq[2];               // Statistics
-bool PushWarning(PGLOBAL g, PTDBASE tdbp);
 
 /* --------------------------- Class FIXFAM -------------------------- */
 

storage/connect/filamtxt.cpp

@@ -58,8 +58,6 @@
 extern int num_read, num_there, num_eq[2];               // Statistics
 extern "C" int trace;
 
-bool PushWarning(PGLOBAL g, PTDBASE tdbp);
-
 /* --------------------------- Class TXTFAM -------------------------- */
 
 /***********************************************************************/

storage/connect/filamvct.cpp

@@ -92,7 +92,6 @@ typedef struct _vecheader {
 /***********************************************************************/
 PVBLK AllocValBlock(PGLOBAL, void *, int, int, int, int,
                     bool check = true, bool blank = true);
-bool  PushWarning(PGLOBAL, PTDBASE);
 
 /* -------------------------- Class VCTFAM --------------------------- */
 

storage/connect/filamzip.cpp

@@ -62,7 +62,6 @@
 /*  DB static variables.                                               */
 /***********************************************************************/
 extern int num_read, num_there, num_eq[];                 // Statistics
-bool PushWarning(PGLOBAL g, PTDBASE tdbp);
 
 /* ------------------------------------------------------------------- */
 

storage/connect/ha_connect.cc

@@ -160,14 +160,13 @@ PQRYRES CSVColumns(PGLOBAL g, char *fn, char sep, char q, int hdr, int mxr);
 PQRYRES MyODBCCols(PGLOBAL g, char *tab, char *dsn);
 #endif   // ODBC_SUPPORT
 #if defined(MYSQL_SUPPORT)
-PQRYRES MyColumns(PGLOBAL g, char *host,  char *db, char *user, char *pwd,
+#include "tabmysql.h"
-                  char *table, char *colpat, int port, bool key);
 #endif   // MYSQL_SUPPORT
+
 enum enum_field_types PLGtoMYSQL(int type, bool gdf);
 #if defined(WIN32)
 PQRYRES WMIColumns(PGLOBAL g, char *nsp, char *classname, PWMIUT wp= NULL);
 #endif   // WIN32
-char GetTypeID(char *type);
 bool check_string_char_length(LEX_STRING *str, const char *err_msg,
                               uint max_char_length, CHARSET_INFO *cs,
                               bool no_error);
@@ -630,7 +629,9 @@ PGLOBAL ha_connect::GetPlug(THD *thd)
 /****************************************************************************/
 /*  Return the value of an option specified in the option list.             */
 /****************************************************************************/
-char *ha_connect::GetListOption(char *opname, const char *oplist, char *def)
+char *ha_connect::GetListOption(const char *opname,
+                                const char *oplist,
+                                const char *def)
 {
   char key[16], val[256];
   char *pk, *pv, *pn;
@@ -1382,7 +1383,7 @@ int ha_connect::MakeRecord(char *buf)
 
   if (xtrace > 1)
 #if defined(MARIADB)
-    printf("Maps: read=%p write=%p vcol=%p defr=%p defw=%p\n",
+    printf("Maps: read=%08X write=%08X vcol=%08X defr=%08X defw=%08X\n",
             *table->read_set->bitmap, *table->write_set->bitmap,
             *table->vcol_set->bitmap,
             *table->def_read_set.bitmap, *table->def_write_set.bitmap);
@@ -1577,9 +1578,9 @@ int ha_connect::CheckRecord(PGLOBAL g, const uchar *oldbuf, uchar *newbuf)
 /***********************************************************************/
 /*  Return the string representing an operator.                        */
 /***********************************************************************/
-char *ha_connect::GetValStr(OPVAL vop, bool neg)
+const char *ha_connect::GetValStr(OPVAL vop, bool neg)
 {
-  char *val;
+  const char *val;
 
   switch (vop) {
     case OP_EQ:
@@ -3171,7 +3172,6 @@ bool ha_connect::add_fields(THD *thd, void *alt_info,
            engine_option_value *create_options)
 {
   register Create_field *new_field;
-  LEX  *lex= thd->lex;
   Alter_info *alter_info= (Alter_info*)alt_info;
   Virtual_column_info *vcol_info= (Virtual_column_info *)vcolinfo;
 
@@ -3271,14 +3271,16 @@ bool ha_connect::add_fields(THD *thd, void *alt_info,
 */
 bool ha_connect::pre_create(THD *thd, void *crt_info, void *alt_info)
 {
-  char    ttp= '?', spc= ',', qch= 0, *typn= "DOS";
+  char    ttp= '?', spc= ',', qch= 0;
-  char   *fn, *dsn, *tab, *db, *host, *user, *pwd, *prt, *sep, *inf;
+  const char *typn= "DOS";
+  const char *user;
+  char *host, *db, *pwd, *tab, *dsn;
+  char *fn, *prt, *sep, *inf;
 #if defined(WIN32)
   char   *nsp= NULL, *cls= NULL;
 #endif   // WIN32
   int     port= MYSQL_PORT, hdr= 0, mxr= 0;
   bool    b= false, ok= false, info= false;
-  LEX    *lex= thd->lex;
   LEX_STRING *comment, *name;
   HA_CREATE_INFO *create_info= (HA_CREATE_INFO *)crt_info;
   engine_option_value *pov;
@@ -3286,7 +3288,8 @@ bool ha_connect::pre_create(THD *thd, void *crt_info, void *alt_info)
   PCOLRES crp;
   PGLOBAL g= GetPlug(thd);
 
-  fn= dsn= tab= db= host= user= pwd= prt= sep= inf= NULL;
+  fn= dsn= tab= db= host= pwd= prt= sep= inf= NULL;
+  user= NULL;
 
   if (g) {
     // Set default values

storage/connect/ha_connect.h

@@ -241,7 +241,7 @@ public:
  */ 
 virtual const COND *cond_push(const COND *cond);
 PFIL  CheckCond(PGLOBAL g, PFIL filp, AMT tty, Item *cond);
-char *GetValStr(OPVAL vop, bool neg);
+const char *GetValStr(OPVAL vop, bool neg);
 
  /**
    Number of rows in table. It will only be called if
@@ -346,7 +346,7 @@ char *GetValStr(OPVAL vop, bool neg);
   int optimize(THD* thd, HA_CHECK_OPT* check_opt);
 
 protected:
-  char *GetListOption(char *opname, const char *oplist, char *def= NULL);
+  char *GetListOption(const char *opname, const char *oplist, const char *def= NULL);
   char *encode(PGLOBAL g, char *cnm);
   bool  add_fields(THD *thd, void *alter_info, 
            LEX_STRING *field_name,

storage/connect/mycat.cc

@@ -182,7 +182,7 @@ PQRYRES PlgAllocResult(PGLOBAL g, int ncol, int maxres, int ids,
 /*  Get a unique char identifier for types. The letter used are:       */
 /*  ABCDEF..I.KLM.O..R.T.VWXY..                                        */
 /***********************************************************************/
-char GetTypeID(char *type)
+char GetTypeID(const char *type)
   {
   return (!type) ? 'D'                               // DOS (default)
                  : (!stricmp(type, "FMT"))   ? 'T'	 // CSV
@@ -569,7 +569,7 @@ PRELDEF MYCAT::MakeTableDesc(PGLOBAL g, LPCSTR name, LPCSTR am)
   /*  Get a unique char identifier for types. The letter used are:     */
   /*  ABCDEF..IJKLM.OPQRSTUVWXYZ and Allocate table definition class   */
   /*********************************************************************/
-  tc= GetTypeID((char*)am);
+  tc= GetTypeID(am);
 
   switch (tc) {
     case 'F':

storage/connect/mycat.h

@@ -24,6 +24,8 @@
 #include "block.h"
 #include "catalog.h"
 
+char GetTypeID(const char *type);
+
 /***********************************************************************/
 /*  MYCAT: class for managing the CONNECT plugin DB items.             */
 /***********************************************************************/
@@ -61,4 +63,4 @@ class MYCAT : public CATALOG {
   ha_connect *Hc;                          // The Connect handler
   }; // end of class MYCAT
 
-#endif __MYCAT__H
+#endif /* __MYCAT__H */

storage/connect/myconn.cpp

@@ -94,7 +94,9 @@ int MYSQLC::GetResultSize(PGLOBAL g, PSZ sql)
 /***********************************************************************/
 /*  Open a MySQL (remote) connection.                                  */
 /***********************************************************************/
-int MYSQLC::Open(PGLOBAL g, PSZ host, PSZ db, PSZ user, PSZ pwd, int pt)
+int MYSQLC::Open(PGLOBAL g, const char *host, const char *db,
+                            const char *user, const char *pwd,
+                            int pt)
   {
   m_DB = mysql_init(NULL);
 
@@ -182,7 +184,7 @@ int MYSQLC::KillQuery(ulong id)
   {
   char kill[20];
 
-  sprintf(kill, "KILL QUERY %u", id);
+  sprintf(kill, "KILL QUERY %u", (unsigned int) id);
   return (m_DB) ? mysql_query(m_DB, kill) : 1;
   } // end of KillQuery
 
@@ -477,7 +479,7 @@ PQRYRES MYSQLC::GetResult(PGLOBAL g, bool pdb)
       } // endif m_Row
 
     for (crp = qrp->Colresp; crp; crp = crp->Next) {
-      if (row = m_Row + (crp->Ncol - 1))
+      if ((row = m_Row + (crp->Ncol - 1))) {
         if (*row)
           crp->Kdata->SetValue((PSZ)*row, n);
         else {
@@ -486,10 +488,11 @@ PQRYRES MYSQLC::GetResult(PGLOBAL g, bool pdb)
     
           crp->Kdata->Reset(n);
         } // endelse *row
+      }
 
-      } // endfor crp
+    } // endfor crp
 
-    } // endfor n
+  } // endfor n
 
   qrp->Nblin = n;
   return qrp;

storage/connect/myconn.h

@@ -59,8 +59,9 @@ class DllItem MYSQLC {
 //  int     GetCurPos(void) {return (m_Res) ? N : 0;}
 //  int     GetProgCur(void) {return N;}
   int     GetResultSize(PGLOBAL g, PSZ sql);
-  int     Open(PGLOBAL g, PSZ host, PSZ db, PSZ user = "root",
+  int     Open(PGLOBAL g, const char *host, const char *db,
-                          PSZ pwd = "*", int pt = 0);
+                          const char *user= "root", const char *pwd= "*",
+                          int pt= 0);
   ulong   GetThreadID(void);
   ulong   ServerVersion(void);
   const char *ServerInfo(void);

storage/connect/plgdbsem.h

@@ -521,3 +521,5 @@ DllExport void    NewPointer(PTABS, void *, void *);
 FILE *global_fopen(GLOBAL *g, int msgid, const char *path, const char *mode);
 int global_open(GLOBAL *g, int msgid, const char *filename, int flags);
 int global_open(GLOBAL *g, int msgid, const char *filename, int flags, int mode);
+
+bool PushWarning(PGLOBAL, PTDBASE);

storage/connect/tabmysql.cpp

@@ -78,8 +78,10 @@ PQRYRES PlgAllocResult(PGLOBAL g, int ncol, int maxres, int ids,
 /*  of a MySQL table that will be retrieved by GetData commands.        */
 /*  key = TRUE when called from Create Table to get key informations.   */
 /************************************************************************/
-PQRYRES MyColumns(PGLOBAL g, char *host,  char *db, char *user, char *pwd,
+PQRYRES MyColumns(PGLOBAL g, const char *host, const char *db,
-                  char *table, char *colpat, int port, bool key)
+                  const char *user, const char *pwd,
+                  const char *table, const char *colpat,
+                  int port, bool key)
   {
   static int dbtype[] = {DB_CHAR, DB_SHORT, DB_CHAR, DB_INT,
                          DB_INT, DB_SHORT, DB_CHAR, DB_CHAR};

storage/connect/tabmysql.h

@@ -137,3 +137,7 @@ class MYSQLCOL : public COLBLK {
   int           Rank;            // Rank (position) number in the query
   }; // end of class MYSQLCOL
 
+
+PQRYRES MyColumns(PGLOBAL g, const char *host,  const char *db,
+                  const char *user, const char *pwd,
+                  const char *table, const char *colpat, int port, bool key);

storage/connect/tabxml.cpp

@@ -59,8 +59,6 @@ extern int  trace;
 #define XMLSUP "libxml2"
 #endif  // !WIN32
 
-bool PushWarning(PGLOBAL g, PTDBASE tdbp);
-
 /* -------------- Implementation of the XMLDEF class  ---------------- */
 
 /***********************************************************************/