X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_vline.c;h=ae4af62b231f03106aac9e73696879746a24d73f;hp=e48b864f497da09fafdaf9e5c2274ec10053e2e7;hb=3e37c7d3fa122563a9d88168926f61286ef30cd3;hpb=b1f61d9f3aa244512045a6b02e759825d7049d34

diff --git a/ncurses/base/lib_vline.c b/ncurses/base/lib_vline.c
index e48b864f..ae4af62b 100644
--- a/ncurses/base/lib_vline.c
+++ b/ncurses/base/lib_vline.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 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 +30,8 @@
 /****************************************************************************
  *  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                    *
  ****************************************************************************/
 
 /*
@@ -40,31 +43,41 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_vline.c,v 1.5 2000/04/29 21:14:11 tom Exp $")
+MODULE_ID("$Id: lib_vline.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
 
-int
+NCURSES_EXPORT(int)
 wvline(WINDOW *win, chtype ch, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T row, col;
-    NCURSES_SIZE_T end;
 
-    T((T_CALLED("wvline(%p,%s,%d)"), win, _tracechtype(ch), n));
+    T((T_CALLED("wvline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
 
     if (win) {
-	row = win->_cury;
-	col = win->_curx;
-	end = row + n - 1;
+	NCURSES_CH_T wch;
+	int row = win->_cury;
+	int col = win->_curx;
+	int end = row + n - 1;
+
 	if (end > win->_maxy)
 	    end = win->_maxy;
 
 	if (ch == 0)
-	    ch = ACS_VLINE;
-	ch = _nc_render(win, ch);
+	    SetChar2(wch, ACS_VLINE);
+	else
+	    SetChar2(wch, ch);
+	wch = _nc_render(win, wch);
 
 	while (end >= row) {
 	    struct ldat *line = &(win->_line[end]);
-	    line->text[col] = ch;
+#if USE_WIDEC_SUPPORT
+	    if (col > 0 && isWidecExt(line->text[col])) {
+		SetChar2(line->text[col - 1], ' ');
+	    }
+	    if (col < win->_maxx && isWidecExt(line->text[col + 1])) {
+		SetChar2(line->text[col + 1], ' ');
+	    }
+#endif
+	    line->text[col] = wch;
 	    CHANGED_CELL(line, col);
 	    end--;
 	}