BSD 4_2 release

[unix-history] / usr / src / usr.lib / libcurses / scroll.c

diff --git a/usr/src/usr.lib/libcurses/scroll.c b/usr/src/usr.lib/libcurses/scroll.c
index 015c313..8aa2d58 100644 (file)
--- a/usr/src/usr.lib/libcurses/scroll.c
+++ b/usr/src/usr.lib/libcurses/scroll.c
@@ -3,7 +3,7 @@
 /*
  *     This routine scrolls the window up a line.
  *
 /*
  *     This routine scrolls the window up a line.
  *

- * 5/11/81 (Berkeley) @(#)scroll.c     1.2
+ * 6/1/83 (Berkeley) @(#)scroll.c      1.3

  */
 scroll(win)
 reg WINDOW     *win; {
  */
 scroll(win)
 reg WINDOW     *win; {


@@ -15,9 +15,9 @@ reg WINDOW    *win; {
        if (!win->_scroll)
                return ERR;
        temp = win->_y[0];
        if (!win->_scroll)
                return ERR;
        temp = win->_y[0];

-       for (i = 0; i < win->_maxy - 2; i++)
-               win->_y[i] = win->_y[i+1];
-       for (sp = temp; sp - temp < win->_maxx; )
+       for (i = 1; i < win->_maxy; i++)
+               win->_y[i - 1] = win->_y[i];
+       for (sp = temp; sp < &temp[win->_maxx]; )

                *sp++ = ' ';
        win->_y[win->_maxy - 1] = temp;
        win->_cury--;
                *sp++ = ' ';
        win->_y[win->_maxy - 1] = temp;
        win->_cury--;


@@ -33,5 +33,6 @@ reg WINDOW    *win; {
        else
                fprintf(outf, "SCROLL: win [0%o] != curscr [0%o]\n",win,curscr);
 # endif
        else
                fprintf(outf, "SCROLL: win [0%o] != curscr [0%o]\n",win,curscr);
 # endif

+       touchwin(win);

        return OK;
 }
        return OK;
 }