X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_hline.c;h=0fac51de74fb8db4941ae3b1de87e93fd80d6c6c;hp=fd32d35a38e770ff662e6a33a9a9a54a78dcdbc0;hb=3247e20e3f6d0ba0921604100383d572fbbf507a;hpb=b1f61d9f3aa244512045a6b02e759825d7049d34

diff --git a/ncurses/base/lib_hline.c b/ncurses/base/lib_hline.c
index fd32d35a..0fac51de 100644
--- a/ncurses/base/lib_hline.c
+++ b/ncurses/base/lib_hline.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 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            *
@@ -29,6 +29,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Sven Verdoolaege                        2001                    *
  ****************************************************************************/
 
 /*
@@ -40,33 +42,42 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_hline.c,v 1.6 2000/07/04 14:08:09 Philippe.Blain Exp $")
+MODULE_ID("$Id: lib_hline.c,v 1.15 2017/10/28 19:57:42 tom Exp $")
 
-int
+NCURSES_EXPORT(int)
 whline(WINDOW *win, chtype ch, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T start;
-    NCURSES_SIZE_T end;
 
-    T((T_CALLED("whline(%p,%s,%d)"), win, _tracechtype(ch), n));
+    T((T_CALLED("whline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
 
     if (win) {
 	struct ldat *line = &(win->_line[win->_cury]);
+	NCURSES_CH_T wch;
+	int start = win->_curx;
+	int end = start + n - 1;
 
-	start = win->_curx;
-	end = start + n - 1;
 	if (end > win->_maxx)
 	    end = win->_maxx;
 
 	CHANGED_RANGE(line, start, end);
 
 	if (ch == 0)
-	    ch = ACS_HLINE;
-	ch = _nc_render(win, ch);
+	    SetChar2(wch, ACS_HLINE);
+	else
+	    SetChar2(wch, ch);
+	wch = _nc_render(win, wch);
 
+#if USE_WIDEC_SUPPORT
+	if (start > 0 && isWidecExt(line->text[start])) {
+	    SetChar2(line->text[start - 1], ' ');
+	}
+	if (end < win->_maxx && isWidecExt(line->text[end + 1])) {
+	    SetChar2(line->text[end + 1], ' ');
+	}
+#endif
 	while (end >= start) {
-	    line->text[end] = ch;
+	    line->text[end] = wch;
 	    end--;
 	}