/****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
+ * Copyright 2020 Thomas E. Dickey *
+ * Copyright 1998-2010,2017 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
#include <curses.priv.h>
-MODULE_ID("$Id: lib_inchstr.c,v 1.10 2001/06/02 23:37:58 skimo Exp $")
+MODULE_ID("$Id: lib_inchstr.c,v 1.17 2020/02/02 23:34:34 tom Exp $")
NCURSES_EXPORT(int)
-winchnstr(WINDOW *win, chtype * str, int n)
+winchnstr(WINDOW *win, chtype *str, int n)
{
int i = 0;
- T((T_CALLED("winchnstr(%p,%p,%d)"), win, str, n));
+ T((T_CALLED("winchnstr(%p,%p,%d)"), (void *) win, (void *) str, n));
- if (!str)
- returnCode(0);
+ if (!win || !str) {
+ i = ERR;
+ } else {
+ int row = win->_cury;
+ int col = win->_curx;
+ NCURSES_CH_T *text = win->_line[row].text;
- if (win) {
- for (; (n < 0 || (i < n)) && (win->_curx + i <= win->_maxx); i++)
- str[i] =
- CharOf(win->_line[win->_cury].text[win->_curx + i]) |
- AttrOf(win->_line[win->_cury].text[win->_curx + i]);
+ for (; (n < 0 || (i < n)) && (col + i <= win->_maxx); i++) {
+ str[i] = (((chtype) CharOf(text[col + i]) & A_CHARTEXT) |
+ AttrOf(text[col + i]));
+ }
+ str[i] = (chtype) 0;
}
- str[i] = (chtype) 0;
returnCode(i);
}