Fix harmless compiler warnings when using -W4 with MSVC.

FossilOrigin-Name: e693e11d1b9265974c32bddba873ea30a4d0b708

1 files changed, 11 insertions, 3 deletions

diff --git a/src/tclsqlite.c b/src/tclsqlite.c
index 852f966a8..a912e8aba 100644
--- a/src/tclsqlite.c
+++ b/src/tclsqlite.c
@@ -25,6 +25,14 @@
 **                        hundreds of new commands used for testing
 **                        SQLite.  This option implies -DSQLITE_TCLMD5.
 */
+
+/*
+** If requested, include the SQLite compiler options file for MSVC.
+*/
+#if defined(INCLUDE_MSVC_H)
+#include "msvc.h"
+#endif
+
 #include "tcl.h"
 #include <errno.h>
 
@@ -1085,10 +1093,10 @@ static int dbPrepareAndBind(
   SqlPreparedStmt **ppPreStmt     /* OUT: Object used to cache statement */
 ){
   const char *zSql = zIn;         /* Pointer to first SQL statement in zIn */
-  sqlite3_stmt *pStmt;            /* Prepared statement object */
+  sqlite3_stmt *pStmt = 0;        /* Prepared statement object */
   SqlPreparedStmt *pPreStmt;      /* Pointer to cached statement */
   int nSql;                       /* Length of zSql in bytes */
-  int nVar;                       /* Number of variables in statement */
+  int nVar = 0;                   /* Number of variables in statement */
   int iParm = 0;                  /* Next free entry in apParm */
   char c;
   int i;
@@ -3102,7 +3110,7 @@ static int DbMain(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
 ** The EXTERN macros are required by TCL in order to work on windows.
 */
 EXTERN int Sqlite3_Init(Tcl_Interp *interp){
-  int rc = Tcl_InitStubs(interp, "8.4", 0)==0 ? TCL_ERROR : TCL_OK;
+  int rc = Tcl_InitStubs(interp, "8.4", 0) ? TCL_OK : TCL_ERROR;
   if( rc==TCL_OK ){
     Tcl_CreateObjCommand(interp, "sqlite3", (Tcl_ObjCmdProc*)DbMain, 0, 0);
 #ifndef SQLITE_3_SUFFIX_ONLY