ncurses/lib_instr.c

   1
   2 /***************************************************************************
   3 *                            COPYRIGHT NOTICE                              *
   4 ****************************************************************************
   5 *                ncurses is copyright (C) 1992-1995                        *
   6 *                          Zeyd M. Ben-Halim                               *
   7 *                          zmbenhal@netcom.com                             *
   8 *                          Eric S. Raymond                                 *
   9 *                          esr@snark.thyrsus.com                           *
  10 *                                                                          *
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  21
  22
  23 /*
  24 **      lib_instr.c
  25 **
  26 **      The routine winnstr().
  27 **
  28 */
  29
  30 #include <curses.priv.h>
  31
  32 MODULE_ID("$Id: lib_instr.c,v 1.6 1997/05/03 10:51:07 juergen Exp $")
  33
  34 int winnstr(WINDOW *win, char *str, int n)
  35 {
  36         int     i, row, col;
  37
  38         T((T_CALLED("winnstr(%p,%p,%d)"), win, str, n));
  39
  40         getyx(win, row, col);
  41
  42         if (n < 0)
  43                 n = win->_maxx - win->_curx + 1;
  44
  45         for (i = 0; i < n;) {
  46                 str[i++] = TextOf(win->_line[row].text[col]);
  47                 if (++col > win->_maxx) {
  48                         col = 0;
  49                         if (++row > win->_maxy)
  50                                 break;
  51                 }
  52         }
  53         str[i] = '\0';  /* SVr4 does not seem to count the null */
  54
  55         returnCode(i);
  56 }