43 lines
905 B
C
43 lines
905 B
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)erase.c 1.1 92/07/30 SMI"; /* from UCB 5.1 85/06/07 */
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#endif not lint
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# include "curses.ext"
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/*
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* This routine erases everything on the window.
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*
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*/
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werase(win)
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reg WINDOW *win; {
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reg int y;
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reg char *sp, *end, *start, *maxx;
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reg int minx;
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# ifdef DEBUG
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fprintf(outf, "WERASE(%0.2o)\n", win);
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# endif
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for (y = 0; y < win->_maxy; y++) {
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minx = _NOCHANGE;
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start = win->_y[y];
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end = &start[win->_maxx];
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for (sp = start; sp < end; sp++)
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if (*sp != ' ') {
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maxx = sp;
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if (minx == _NOCHANGE)
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minx = sp - start;
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*sp = ' ';
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}
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if (minx != _NOCHANGE)
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touchline(win, y, minx, maxx - win->_y[y]);
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}
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win->_curx = win->_cury = 0;
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}
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