Fix a potential SQLITE_MISUSE in the .excel command when no database is open.

FossilOrigin-Name: 9b95ff1abfb8d49bbe5a727f5c917a455e4289b4d69196377dc9294409341d70
2018-01-10 21:50:08 +00:00
parent 13c209330d
commit 7f3bf8a9fb
3 changed files with 10 additions and 11 deletions
@@ -4234,7 +4234,9 @@ static void newTempFile(ShellState *p, const char *zSuffix){
  clearTempFile(p);
  sqlite3_free(p->zTempFile);
  p->zTempFile = 0;
-  sqlite3_file_control(p->db, 0, SQLITE_FCNTL_TEMPFILENAME, &p->zTempFile);
+  if( p->db ){
+    sqlite3_file_control(p->db, 0, SQLITE_FCNTL_TEMPFILENAME, &p->zTempFile);
+  }
  if( p->zTempFile==0 ){
    sqlite3_uint64 r;
    sqlite3_randomness(sizeof(r), &r);