1 files changed, 7 insertions, 11 deletions

diff --git a/lib/libsqlite3/src/tclsqlite.c b/lib/libsqlite3/src/tclsqlite.c
index 967b1a004f8..51f8c517dfb 100644
--- a/lib/libsqlite3/src/tclsqlite.c
+++ b/lib/libsqlite3/src/tclsqlite.c
@@ -1163,7 +1163,7 @@ static int dbPrepareAndBind(
     memset(pPreStmt, 0, nByte);
 
     pPreStmt->pStmt = pStmt;
-    pPreStmt->nSql = (*pzOut - zSql);
+    pPreStmt->nSql = (int)(*pzOut - zSql);
     pPreStmt->zSql = sqlite3_sql(pStmt);
     pPreStmt->apParm = (Tcl_Obj **)&pPreStmt[1];
 #ifdef SQLITE_TEST
@@ -3108,23 +3108,19 @@ EXTERN int Sqlite3_Init(Tcl_Interp *interp){
   return TCL_OK;
 }
 EXTERN int Tclsqlite3_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
-EXTERN int Sqlite3_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
-EXTERN int Tclsqlite3_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
 EXTERN int Sqlite3_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
 EXTERN int Tclsqlite3_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
-EXTERN int Sqlite3_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK; }
-EXTERN int Tclsqlite3_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK;}
 
+/* Because it accesses the file-system and uses persistent state, SQLite
+** is not considered appropriate for safe interpreters.  Hence, we deliberately
+** omit the _SafeInit() interfaces.
+*/
 
 #ifndef SQLITE_3_SUFFIX_ONLY
 int Sqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
 int Tclsqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
-int Sqlite_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
-int Tclsqlite_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
 int Sqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
 int Tclsqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
-int Sqlite_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK; }
-int Tclsqlite_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK;}
 #endif
 
 #ifdef TCLSH
@@ -3474,7 +3470,7 @@ static int md5file_cmd(void*cd, Tcl_Interp*interp, int argc, const char **argv){
   MD5Init(&ctx);
   for(;;){
     int n;
-    n = fread(zBuf, 1, sizeof(zBuf), in);
+    n = (int)fread(zBuf, 1, sizeof(zBuf), in);
     if( n<=0 ) break;
     MD5Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
   }
@@ -3520,7 +3516,7 @@ static void md5step(sqlite3_context *context, int argc, sqlite3_value **argv){
   for(i=0; i<argc; i++){
     const char *zData = (char*)sqlite3_value_text(argv[i]);
     if( zData ){
-      MD5Update(p, (unsigned char*)zData, strlen(zData));
+      MD5Update(p, (unsigned char*)zData, (int)strlen(zData));
     }
   }
 }