23 	register struct ww *w;  in wwopen()  local
28 	w = (struct ww *)calloc(sizeof (struct ww), 1);  in wwopen()
29 	if (w == 0) {  in wwopen()
33 	w->ww_pty = -1;  in wwopen()
34 	w->ww_socket = -1;  in wwopen()
42 	w->ww_index = i;  in wwopen()
47 	w->ww_w.t = row;  in wwopen()
48 	w->ww_w.b = row + nrow;  in wwopen()
49 	w->ww_w.l = col;  in wwopen()
50 	w->ww_w.r = col + ncol;  in wwopen()
51 	w->ww_w.nr = nrow;  in wwopen()
52 	w->ww_w.nc = ncol;  in wwopen()
54 	w->ww_b.t = row;  in wwopen()
55 	w->ww_b.b = row + nline;  in wwopen()
56 	w->ww_b.l = col;  in wwopen()
57 	w->ww_b.r = col + ncol;  in wwopen()
58 	w->ww_b.nr = nline;  in wwopen()
59 	w->ww_b.nc = ncol;  in wwopen()
61 	w->ww_i.t = MAX(w->ww_w.t, 0);  in wwopen()
62 	w->ww_i.b = MIN(w->ww_w.b, wwnrow);  in wwopen()
63 	w->ww_i.l = MAX(w->ww_w.l, 0);  in wwopen()
64 	w->ww_i.r = MIN(w->ww_w.r, wwncol);  in wwopen()
65 	w->ww_i.nr = w->ww_i.b - w->ww_i.t;  in wwopen()
66 	w->ww_i.nc = w->ww_i.r - w->ww_i.l;  in wwopen()
68 	w->ww_cur.r = w->ww_w.t;  in wwopen()
69 	w->ww_cur.c = w->ww_w.l;  in wwopen()
72 		if (wwgetpty(w) < 0)  in wwopen()
74 		w->ww_ispty = 1;  in wwopen()
83 		w->ww_pty = d[0];  in wwopen()
84 		w->ww_socket = d[1];  in wwopen()
87 		if ((w->ww_ob = malloc(512)) == 0) {  in wwopen()
91 		w->ww_obe = w->ww_ob + 512;  in wwopen()
92 		w->ww_obp = w->ww_obq = w->ww_ob;  in wwopen()
93 		if (w->ww_pty >= wwdtablesize)  in wwopen()
94 			wwdtablesize = w->ww_pty + 1;  in wwopen()
97 	w->ww_win = wwalloc(w->ww_w.t, w->ww_w.l,  in wwopen()
98 		w->ww_w.nr, w->ww_w.nc, sizeof (char));  in wwopen()
99 	if (w->ww_win == 0)  in wwopen()
109 	for (i = w->ww_w.t; i < w->ww_w.b; i++)  in wwopen()
110 		for (j = w->ww_w.l; j < w->ww_w.r; j++)  in wwopen()
111 			w->ww_win[i][j] = m;  in wwopen()
114 		w->ww_fmap = wwalloc(w->ww_w.t, w->ww_w.l,  in wwopen()
115 			w->ww_w.nr, w->ww_w.nc, sizeof (char));  in wwopen()
116 		if (w->ww_fmap == 0)  in wwopen()
118 		for (i = w->ww_w.t; i < w->ww_w.b; i++)  in wwopen()
119 			for (j = w->ww_w.l; j < w->ww_w.r; j++)  in wwopen()
120 				w->ww_fmap[i][j] = 0;  in wwopen()
123 	w->ww_buf = (union ww_char **)  in wwopen()
124 		wwalloc(w->ww_b.t, w->ww_b.l,  in wwopen()
125 			w->ww_b.nr, w->ww_b.nc, sizeof (union ww_char));  in wwopen()
126 	if (w->ww_buf == 0)  in wwopen()
128 	for (i = w->ww_b.t; i < w->ww_b.b; i++)  in wwopen()
129 		for (j = w->ww_b.l; j < w->ww_b.r; j++)  in wwopen()
130 			w->ww_buf[i][j].c_w = ' ';  in wwopen()
132 	w->ww_nvis = (short *)malloc((unsigned) w->ww_w.nr * sizeof (short));  in wwopen()
133 	if (w->ww_nvis == 0) {  in wwopen()
137 	w->ww_nvis -= w->ww_w.t;  in wwopen()
138 	nvis = m ? 0 : w->ww_w.nc;  in wwopen()
139 	for (i = w->ww_w.t; i < w->ww_w.b; i++)  in wwopen()
140 		w->ww_nvis[i] = nvis;  in wwopen()
142 	w->ww_state = WWS_INITIAL;  in wwopen()
143 	w->ww_oflags = flags;  in wwopen()
144 	return wwindex[w->ww_index] = w;  in wwopen()
146 	if (w != 0) {  in wwopen()
147 		if (w->ww_win != 0)  in wwopen()
148 			wwfree(w->ww_win, w->ww_w.t);  in wwopen()
149 		if (w->ww_fmap != 0)  in wwopen()
150 			wwfree(w->ww_fmap, w->ww_w.t);  in wwopen()
151 		if (w->ww_buf != 0)  in wwopen()
152 			wwfree((char **)w->ww_buf, w->ww_b.t);  in wwopen()
153 		if (w->ww_nvis != 0)  in wwopen()
154 			free((char *)(w->ww_nvis + w->ww_w.t));  in wwopen()
155 		if (w->ww_ob != 0)  in wwopen()
156 			free(w->ww_ob);  in wwopen()
157 		if (w->ww_pty >= 0)  in wwopen()
158 			(void) close(w->ww_pty);  in wwopen()
159 		if (w->ww_socket >= 0)  in wwopen()
160 			(void) close(w->ww_socket);  in wwopen()
161 		free((char *)w);  in wwopen()