contrib/ncurses-5.4/ncurses/base/lib_inchstr.c

   1 /****************************************************************************
   2  * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc.              *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  ****************************************************************************/
  33
  34 /*
  35 **      lib_inchstr.c
  36 **
  37 **      The routine winchnstr().
  38 **
  39 */
  40
  41 #include <curses.priv.h>
  42
  43 MODULE_ID("$Id: lib_inchstr.c,v 1.10 2001/06/02 23:37:58 skimo Exp $")
  44
  45 NCURSES_EXPORT(int)
  46 winchnstr(WINDOW *win, chtype * str, int n)
  47 {
  48     int i = 0;
  49
  50     T((T_CALLED("winchnstr(%p,%p,%d)"), win, str, n));
  51
  52     if (!str)
  53         returnCode(0);
  54
  55     if (win) {
  56         for (; (n < 0 || (i < n)) && (win->_curx + i <= win->_maxx); i++)
  57             str[i] =
  58                 CharOf(win->_line[win->_cury].text[win->_curx + i]) |
  59                 AttrOf(win->_line[win->_cury].text[win->_curx + i]);
  60     }
  61     str[i] = (chtype) 0;
  62
  63     returnCode(i);
  64 }