Files
retrobsd/src/libcurses/insertln.c
Serge Vakulenko 9d39282ae9 All paths moved to path.h.
Cleanup in curses.h: removed reg definition.
All include files reformatted for 4-space indent.
2015-06-24 20:57:08 -07:00

43 lines
965 B
C

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#include "curses.ext"
#include <strings.h>
/*
* This routine performs an insert-line on the window, leaving
* (_cury,_curx) unchanged.
*/
void
winsertln(win)
WINDOW *win;
{
char *temp = 0;
int y;
char *end;
#ifdef DEBUG
fprintf(outf, "INSERTLN(%0.2o)\n", win);
#endif
if (win->_orig == NULL)
temp = win->_y[win->_maxy - 1];
for (y = win->_maxy - 1; y > win->_cury; --y) {
if (win->_orig == NULL)
win->_y[y] = win->_y[y - 1];
else
bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
touchline(win, y, 0, win->_maxx - 1);
}
if (win->_orig == NULL)
win->_y[y] = temp;
else
temp = win->_y[y];
for (end = &temp[win->_maxx]; temp < end; )
*temp++ = ' ';
touchline(win, y, 0, win->_maxx - 1);
if (win->_orig == NULL)
_id_subwins(win);
}