ncurses 6.2 - patch 20210206

[ncurses.git] / ncurses / base / lib_insnstr.c

diff --git a/ncurses/base/lib_insnstr.c b/ncurses/base/lib_insnstr.c
index d3cf1bd554f474b799959e4f9f5cff2043d5d014..ff1ae573a576d73b07efb3f7418db0b481aaccf8 100644 (file)
--- a/ncurses/base/lib_insnstr.c
+++ b/ncurses/base/lib_insnstr.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2004-2009,2016 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2004-2009,2016 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            *
@@ -40,16 +41,13 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_insnstr.c,v 1.4 2016/02/20 21:22:46 tom Exp $")
+MODULE_ID("$Id: lib_insnstr.c,v 1.7 2020/02/02 23:34:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 winsnstr(WINDOW *win, const char *s, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
     const unsigned char *str = (const unsigned char *) s;
-    const unsigned char *cp;
 
     T((T_CALLED("winsnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(s, n), n));
 
@@ -80,10 +78,11 @@ winsnstr(WINDOW *win, const char *s, int n)
        if (code == ERR)
 #endif
        {
+           NCURSES_SIZE_T oy = win->_cury;
+           NCURSES_SIZE_T ox = win->_curx;
+           const unsigned char *cp;
 
-           oy = win->_cury;
-           ox = win->_curx;
-           for (cp = str; *cp && (n <= 0 || (cp - str) < n); cp++) {
+           for (cp = str; (n <= 0 || (cp - str) < n) && *cp; cp++) {
                _nc_insert_ch(sp, win, (chtype) UChar(*cp));
            }
            win->_curx = ox;