Return to erase.c CVS log

Up to [CSRG BSD Unix] / 43BSD / usr.lib / libcurses

Annotation of 43BSD/usr.lib/libcurses/erase.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #ifndef lint
                      8: static char sccsid[] = "@(#)erase.c    5.1 (Berkeley) 6/7/85";
                      9: #endif not lint
                     10: 
                     11: # include      "curses.ext"
                     12: 
                     13: /*
                     14:  *     This routine erases everything on the window.
                     15:  *
                     16:  */
                     17: werase(win)
                     18: reg WINDOW     *win; {
                     19: 
                     20:        reg int         y;
                     21:        reg char        *sp, *end, *start, *maxx;
                     22:        reg int         minx;
                     23: 
                     24: # ifdef DEBUG
                     25:        fprintf(outf, "WERASE(%0.2o)\n", win);
                     26: # endif
                     27:        for (y = 0; y < win->_maxy; y++) {
                     28:                minx = _NOCHANGE;
                     29:                start = win->_y[y];
                     30:                end = &start[win->_maxx];
                     31:                for (sp = start; sp < end; sp++)
                     32:                        if (*sp != ' ') {
                     33:                                maxx = sp;
                     34:                                if (minx == _NOCHANGE)
                     35:                                        minx = sp - start;
                     36:                                *sp = ' ';
                     37:                        }
                     38:                if (minx != _NOCHANGE)
                     39:                        touchline(win, y, minx, maxx - win->_y[y]);
                     40:        }
                     41:        win->_curx = win->_cury = 0;
                     42: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.