/****************************************************************************
* Copyright (c) 2002-2004-2007 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 *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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****************************************************************************/
/****************************************************************************
* Author: Thomas Dickey *
****************************************************************************/
/*
** lib_in_wchnstr.c
**
** The routine win_wchnstr().
**
*/
#include <curses.priv.h>
MODULE_ID("$Id: lib_in_wchnstr.c,v 1.7 2007/02/11 01:00:00 tom Exp $")
NCURSES_EXPORT(int)
win_wchnstr(WINDOW *win, cchar_t *wchstr, int n)
{
int code = OK;
T((T_CALLED("win_wchnstr(%p,%p,%d)"), win, wchstr, n));
if (win != 0
&& wchstr != 0) {
NCURSES_CH_T *src;
int row, col;
int j, k, limit;
getyx(win, row, col);
limit = getmaxx(win) - col;
src = &(win->_line[row].text[col]);
if (n < 0) {
n = limit;
} else if (n > limit) {
n = limit;
}
for (j = k = 0; j < n; ++j) {
if (j == 0 || !WidecExt(src[j]) || isWidecBase(src[j])) {
wchstr[k++] = src[j];
}
}
memset(&(wchstr[k]), 0, sizeof(*wchstr));
T(("result = %s", _nc_viscbuf(wchstr, n)));
} else {
code = ERR;
}
returnCode(code);
}
