ncurses 6.3 - patch 20211030

[ncurses.git] / ncurses / widechar / lib_ins_wch.c

diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index 103dfdc4523268d10d93341251652ab691729961..f75361081b62e7a1ad45173aa1685c1d5b141733 100644 (file)
--- a/ncurses/widechar/lib_ins_wch.c
+++ b/ncurses/widechar/lib_ins_wch.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2002-2011,2016 Free Software Foundation, Inc.              *
+ * Copyright 2019,2020 Thomas E. Dickey                                     *
+ * Copyright 2002-2016,2017 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            *
@@ -39,7 +40,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_ins_wch.c,v 1.21 2016/05/28 22:32:11 tom Exp $")
+MODULE_ID("$Id: lib_ins_wch.c,v 1.25 2020/12/05 20:04:59 tom Exp $")
 
 /*
  * Insert the given character, updating the current location to simplify
@@ -48,7 +49,7 @@ MODULE_ID("$Id: lib_ins_wch.c,v 1.21 2016/05/28 22:32:11 tom Exp $")
 NCURSES_EXPORT(int)
 _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 {
-    int cells = wcwidth(CharOf(CHDEREF(wch)));
+    int cells = _nc_wacs_width(CharOf(CHDEREF(wch)));
     int code = OK;
 
     if (cells < 0) {
@@ -110,7 +111,7 @@ wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
     if (win != 0
        && wstr != 0) {
        if (n < 1)
-           n = (int) wcslen(wstr);
+           n = INT_MAX;
        code = OK;
 
        if (n > 0) {
@@ -119,8 +120,8 @@ wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
            NCURSES_SIZE_T oy = win->_cury;
            NCURSES_SIZE_T ox = win->_curx;
 
-           for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
-               int len = wcwidth(*cp);
+           for (cp = wstr; (*cp != L'\0') && ((cp - wstr) < n); cp++) {
+               int len = _nc_wacs_width(*cp);
 
                if ((len >= 0 && len != 1) || !is7bits(*cp)) {
                    cchar_t tmp_cchar;