X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_getstr.c;h=d0b09a3b927ecc04f6cb6f36cb2a7d7ff4517087;hp=0e446349ca173ae0a0a64ba5b55b2f343fd04564;hb=c976a90788f3e50afc773670ff74c5270ecb48df;hpb=03f728e5bb3630a54fffc4a2ff2f8dbfcce9088e

diff --git a/ncurses/base/lib_getstr.c b/ncurses/base/lib_getstr.c
index 0e446349..d0b09a3b 100644
--- a/ncurses/base/lib_getstr.c
+++ b/ncurses/base/lib_getstr.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 1998-2011,2017 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            *
@@ -40,7 +41,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getstr.c,v 1.30 2011/10/22 16:31:35 tom Exp $")
+MODULE_ID("$Id: lib_getstr.c,v 1.34 2020/02/02 23:34:34 tom Exp $")
 
 /*
  * This wipes out the last character, no matter whether it was a tab, control
@@ -85,9 +86,11 @@ wgetnstr_events(WINDOW *win,
 
     T((T_CALLED("wgetnstr(%p,%p,%d)"), (void *) win, (void *) str, maxlen));
 
-    if (!win)
+    if (!win || !str)
 	returnCode(ERR);
 
+    maxlen = _nc_getstr_limit(maxlen);
+
     NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_ARGx &buf);
 
     oldnl = sp->_nl;
@@ -142,7 +145,7 @@ wgetnstr_events(WINDOW *win,
 		str = WipeOut(win, y, x, oldstr, str, oldecho);
 	    }
 	} else if (ch >= KEY_MIN
-		   || (maxlen >= 0 && str - oldstr >= maxlen)) {
+		   || (str - oldstr >= maxlen)) {
 	    NCURSES_SP_NAME(beep) (NCURSES_SP_ARG);
 	} else {
 	    *str++ = (char) ch;