116 vreopen(int p, int lineno, int l)  in vreopen()  argument
119 	struct vlinfo *vp = &vlinfo[l];  in vreopen()
130 	p = vglitchup(l, 0);  in vreopen()
146 	if (state == VISUAL && l == vcline && vp->vliny < 0) {  in vreopen()
209 vglitchup(int l, int o)  in vglitchup()  argument
211 	struct vlinfo *vp = &vlinfo[l];  in vglitchup()
217  	if (l < vcnt - 1) {  in vglitchup()
234 			vinslin((vp+1)->vliny, need, l);  in vglitchup()
250 vinslin(int p, int cnt, int l)  in vinslin()  argument
257 		tfixnl(), fprintf(trace, "vinslin(%d, %d, %d)\n", p, cnt, l);  in vinslin()
319 	vopenup(cnt, could, l);  in vinslin()
330 vopenup(int cnt, bool could, int l)  in vopenup()  argument
332 	struct vlinfo *vc = &vlinfo[l + 1];  in vopenup()
337 		tfixnl(), fprintf(trace, "vopenup(%d, %d, %d)\n", cnt, could, l);  in vopenup()
642 	int l;  in vredraw()  local
668 	l = 0;  in vredraw()
672 	while (l < vcnt && LINE(l) < p)  in vredraw()
673 		l++, tp++;  in vredraw()
681 	for (; l < vcnt && Peekkey != ATTN; l++) {  in vredraw()
682 		if (l == vcline)  in vredraw()
690 		if (LINE(l) != LINE(l + 1) && LINE(l) != p) {  in vredraw()
698 			vdellin(p, LINE(l) - p, l);  in vredraw()
705 		LINE(l) = p;  in vredraw()
706 		if (FLAGS(l) & VDIRT) {  in vredraw()
707 			DEPTH(l) = vdepth();  in vredraw()
708 			if (l != vcline && p + DEPTH(l) - 1 > WBOT) {  in vredraw()
712 			FLAGS(l) &= ~VDIRT;  in vredraw()
713 			(void) vreopen(p, lineno(tp), l);  in vredraw()
714 			p = LINE(l) + DEPTH(l);  in vredraw()
716 			p += DEPTH(l);  in vredraw()
727 		vcline = l;  in vredraw()
761 vdellin(int p, int cnt, int l)  in vdellin()  argument
771 		FLAGS(l) |= VDIRT;  in vdellin()
776 		tfixnl(), fprintf(trace, "vdellin(%d, %d, %d)\n", p, cnt, l);  in vdellin()
801 	vcloseup(l, cnt);  in vdellin()
859 	int l;  in vsync1()  local
879 	l = 0;  in vsync1()
880 	while (l < vcnt && vp->vliny < p)  in vsync1()
881 		l++, vp++;  in vsync1()
891 		if (l == 0 && state != VISUAL ||  in vsync1()
892 		    (l < vcnt && (vp->vliny <= p || vp[0].vliny == vp[1].vliny))) {  in vsync1()
893 			if (l == 0 || vp->vliny < p || (vp->vflags & VDIRT)) {  in vsync1()
894 				if (l == vcline)  in vsync1()
897 					getaline(dot[l - vcline]);  in vsync1()
902 				if (l != vcline && (vp->vflags & VDIRT)) {  in vsync1()
908 				(void) vreopen(p, lineDOT() + (l - vcline), l);  in vsync1()
912 			l++;  in vsync1()
918 			vclrlin(p, dot + (l - vcline)), p++;  in vsync1()
931 vcloseup(int l, int cnt)  in vcloseup()  argument
937 		tfixnl(), fprintf(trace, "vcloseup(%d, %d)\n", l, cnt);  in vcloseup()
939 	for (i = l + 1; i <= vcnt; i++)  in vcloseup()
954 vreplace(int l, int cnt, int newcnt)  in vreplace()  argument
961 		tfixnl(), fprintf(trace, "vreplace(%d, %d, %d)\n", l, cnt, newcnt);  in vreplace()
965 	if (l >= vcnt)  in vreplace()
967 	if (l < 0) {  in vreplace()
968 		if (l + cnt < 0) {  in vreplace()
980 		cnt += l;  in vreplace()
981 		l = 0;  in vreplace()
1011 	if (cnt == newcnt || vcnt - l == newcnt && insert_line && delete_line) {  in vreplace()
1012 		if (cnt > 1 && l + cnt > vcnt)  in vreplace()
1014 		vdirty(l, newcnt);  in vreplace()
1024 			if (cnt > 1 && l + cnt > vcnt)  in vreplace()
1026 			if (l + cnt >= vcnt)  in vreplace()
1027 				cnt = vcnt - l;  in vreplace()
1029 				for (from = l + cnt, to = l; from <= vcnt; to++, from++)  in vreplace()
1045 			if (newcnt > 1 && l + newcnt > vcnt + 1)  in vreplace()
1052 			if (l + newcnt > WBOT && insert_line && delete_line) {  in vreplace()
1053 				vcnt = l;  in vreplace()
1061 			for (; from >= l; from--, to--)  in vreplace()
1063 			for (from = to + 1, to = l; to < l + newcnt && to <= WBOT + 1; to++) {  in vreplace()
1076 		vdirty(l, WECHO);  in vreplace()
1116 	int l;  in vdirty()  local
1118 	for (l = base; l < vcnt; l++) {  in vdirty()
1121 		FLAGS(l) |= VDIRT;  in vdirty()