X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_nl.c;h=df07349fc83c02577715efa2b00c6dcb993e0d80;hp=c3a830bdc037dc8b9e06f4d2ede63afb67bd5847;hb=d6c65d287166c3105ece4a5e3f3ec7af5a5f26a3;hpb=78e49873c69dc0494bb34c62f897f8b446584a33;ds=sidebyside

diff --git a/ncurses/base/lib_nl.c b/ncurses/base/lib_nl.c
index c3a830bd..df07349f 100644
--- a/ncurses/base/lib_nl.c
+++ b/ncurses/base/lib_nl.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2000,2009 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2000,2009 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -44,7 +45,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_nl.c,v 1.9 2009/02/15 00:38:22 tom Exp $")
+MODULE_ID("$Id: lib_nl.c,v 1.13 2020/02/02 23:34:34 tom Exp $")
 
 #ifdef __EMX__
 #include <io.h>
@@ -53,15 +54,14 @@ MODULE_ID("$Id: lib_nl.c,v 1.9 2009/02/15 00:38:22 tom Exp $")
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(nl) (NCURSES_SP_DCL0)
 {
-    T((T_CALLED("nl()")));
-
+    T((T_CALLED("nl(%p)"), (void *) SP_PARM));
+    if (0 == SP_PARM)
+	returnCode(ERR);
     SP_PARM->_nl = TRUE;
-
 #ifdef __EMX__
     _nc_flush();
-    _fsetmode(NC_OUTPUT, "t");
+    _fsetmode(NC_OUTPUT(SP_PARM), "t");
 #endif
-
     returnCode(OK);
 }
 
@@ -76,15 +76,14 @@ nl(void)
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(nonl) (NCURSES_SP_DCL0)
 {
-    T((T_CALLED("nonl()")));
-
+    T((T_CALLED("nonl(%p)"), (void *) SP_PARM));
+    if (0 == SP_PARM)
+	returnCode(ERR);
     SP_PARM->_nl = FALSE;
-
 #ifdef __EMX__
     _nc_flush();
-    _fsetmode(NC_OUTPUT, "b");
+    _fsetmode(NC_OUTPUT(SP_PARM), "b");
 #endif
-
     returnCode(OK);
 }