Commit | Line | Data |
---|---|---|
60de5df9 | 1 | /* |
46e9ea25 KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that this notice is preserved and that due credit is given | |
7 | * to the University of California at Berkeley. The name of the University | |
8 | * may not be used to endorse or promote products derived from this | |
9 | * software without specific prior written permission. This software | |
10 | * is provided ``as is'' without express or implied warranty. | |
60de5df9 EW |
11 | */ |
12 | ||
46e9ea25 KB |
13 | #ifndef lint |
14 | static char sccsid[] = "@(#)wwopen.c 3.24 (Berkeley) %G%"; | |
15 | #endif /* not lint */ | |
16 | ||
138b737c | 17 | #include "ww.h" |
7ecf4dca EW |
18 | #include <sys/types.h> |
19 | #include <sys/socket.h> | |
138b737c | 20 | |
138b737c | 21 | struct ww * |
bb05dfb5 | 22 | wwopen(flags, nrow, ncol, row, col, nline) |
138b737c | 23 | { |
a8a39d2c | 24 | register struct ww *w; |
bb05dfb5 EW |
25 | register i, j; |
26 | char m; | |
27 | short nvis; | |
138b737c | 28 | |
03f0d462 | 29 | w = (struct ww *)calloc(sizeof (struct ww), 1); |
03e75950 EW |
30 | if (w == 0) { |
31 | wwerrno = WWE_NOMEM; | |
03f0d462 | 32 | goto bad; |
03e75950 | 33 | } |
eec72f58 | 34 | w->ww_pty = -1; |
7ecf4dca | 35 | w->ww_socket = -1; |
03f0d462 | 36 | |
bb05dfb5 EW |
37 | for (i = 0; i < NWW && wwindex[i] != 0; i++) |
38 | ; | |
03e75950 EW |
39 | if (i >= NWW) { |
40 | wwerrno = WWE_TOOMANY; | |
138b737c | 41 | goto bad; |
03e75950 | 42 | } |
bb05dfb5 | 43 | w->ww_index = i; |
bb05dfb5 | 44 | |
f2a77fe1 EW |
45 | if (nline < nrow) |
46 | nline = nrow; | |
47 | ||
19f9784c EW |
48 | w->ww_w.t = row; |
49 | w->ww_w.b = row + nrow; | |
50 | w->ww_w.l = col; | |
51 | w->ww_w.r = col + ncol; | |
52 | w->ww_w.nr = nrow; | |
53 | w->ww_w.nc = ncol; | |
f2a77fe1 EW |
54 | |
55 | w->ww_b.t = row; | |
56 | w->ww_b.b = row + nline; | |
57 | w->ww_b.l = col; | |
58 | w->ww_b.r = col + ncol; | |
59 | w->ww_b.nr = nline; | |
60 | w->ww_b.nc = ncol; | |
61 | ||
19f9784c EW |
62 | w->ww_i.t = MAX(w->ww_w.t, 0); |
63 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
64 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
65 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
66 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
67 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
68 | ||
f2a77fe1 EW |
69 | w->ww_cur.r = w->ww_w.t; |
70 | w->ww_cur.c = w->ww_w.l; | |
bb05dfb5 | 71 | |
03f0d462 | 72 | if (flags & WWO_PTY) { |
b27a9cfb EW |
73 | struct winsize winsize; |
74 | ||
03f0d462 EW |
75 | if (wwgetpty(w) < 0) |
76 | goto bad; | |
4cbd8755 | 77 | if (wwsettty(w->ww_pty, &wwwintty, (struct ww_tty *)0) < 0) |
03f0d462 | 78 | goto bad; |
b27a9cfb EW |
79 | winsize.ws_row = nrow; |
80 | winsize.ws_col = ncol; | |
81 | winsize.ws_xpixel = winsize.ws_ypixel = 0; | |
20029082 | 82 | if (ioctl(w->ww_pty, TIOCSWINSZ, (char *)&winsize) < 0) { |
b27a9cfb EW |
83 | wwerrno = WWE_SYS; |
84 | goto bad; | |
85 | } | |
7ecf4dca EW |
86 | w->ww_ispty = 1; |
87 | } else if (flags & WWO_SOCKET) { | |
88 | int d[2]; | |
89 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, d) < 0) { | |
90 | wwerrno = WWE_SYS; | |
8fa6d94c | 91 | goto bad; |
7ecf4dca EW |
92 | } |
93 | w->ww_pty = d[0]; | |
94 | w->ww_socket = d[1]; | |
95 | } | |
96 | if (flags & (WWO_PTY|WWO_SOCKET)) { | |
97 | if ((w->ww_ob = malloc(512)) == 0) { | |
98 | wwerrno = WWE_NOMEM; | |
99 | goto bad; | |
100 | } | |
8fa6d94c | 101 | w->ww_obe = w->ww_ob + 512; |
7ecf4dca | 102 | w->ww_obp = w->ww_obq = w->ww_ob; |
03f0d462 EW |
103 | } |
104 | ||
f2a77fe1 EW |
105 | w->ww_win = wwalloc(w->ww_w.t, w->ww_w.l, |
106 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
bb05dfb5 EW |
107 | if (w->ww_win == 0) |
108 | goto bad; | |
109 | m = 0; | |
110 | if (flags & WWO_GLASS) | |
111 | m |= WWM_GLS; | |
112 | if (flags & WWO_REVERSE) | |
f4f5703a EW |
113 | if (wwavailmodes & WWM_REV) |
114 | m |= WWM_REV; | |
115 | else | |
116 | flags &= ~WWO_REVERSE; | |
f2a77fe1 EW |
117 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
118 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
bb05dfb5 | 119 | w->ww_win[i][j] = m; |
2357b64e EW |
120 | |
121 | if (flags & WWO_FRAME) { | |
f2a77fe1 EW |
122 | w->ww_fmap = wwalloc(w->ww_w.t, w->ww_w.l, |
123 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
2357b64e | 124 | if (w->ww_fmap == 0) |
b27a9cfb | 125 | goto bad; |
f2a77fe1 EW |
126 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
127 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
2357b64e EW |
128 | w->ww_fmap[i][j] = 0; |
129 | } | |
b27a9cfb | 130 | |
bb05dfb5 | 131 | w->ww_buf = (union ww_char **) |
f2a77fe1 EW |
132 | wwalloc(w->ww_b.t, w->ww_b.l, |
133 | w->ww_b.nr, w->ww_b.nc, sizeof (union ww_char)); | |
bb05dfb5 EW |
134 | if (w->ww_buf == 0) |
135 | goto bad; | |
f2a77fe1 EW |
136 | for (i = w->ww_b.t; i < w->ww_b.b; i++) |
137 | for (j = w->ww_b.l; j < w->ww_b.r; j++) | |
bb05dfb5 EW |
138 | w->ww_buf[i][j].c_w = ' '; |
139 | ||
140 | w->ww_nvis = (short *)malloc((unsigned) w->ww_w.nr * sizeof (short)); | |
03e75950 EW |
141 | if (w->ww_nvis == 0) { |
142 | wwerrno = WWE_NOMEM; | |
138b737c | 143 | goto bad; |
03e75950 | 144 | } |
f2a77fe1 | 145 | w->ww_nvis -= w->ww_w.t; |
bb05dfb5 | 146 | nvis = m ? 0 : w->ww_w.nc; |
f2a77fe1 | 147 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
bb05dfb5 EW |
148 | w->ww_nvis[i] = nvis; |
149 | ||
150 | w->ww_state = WWS_INITIAL; | |
b27a9cfb | 151 | w->ww_oflags = flags; |
03f0d462 | 152 | return wwindex[w->ww_index] = w; |
138b737c | 153 | bad: |
4711df8b | 154 | if (w != 0) { |
bb05dfb5 | 155 | if (w->ww_win != 0) |
f2a77fe1 | 156 | wwfree(w->ww_win, w->ww_w.t); |
07f640ea | 157 | if (w->ww_fmap != 0) |
f2a77fe1 | 158 | wwfree(w->ww_fmap, w->ww_w.t); |
bb05dfb5 | 159 | if (w->ww_buf != 0) |
f2a77fe1 | 160 | wwfree((char **)w->ww_buf, w->ww_b.t); |
bb05dfb5 | 161 | if (w->ww_nvis != 0) |
f2a77fe1 | 162 | free((char *)(w->ww_nvis + w->ww_w.t)); |
8fa6d94c EW |
163 | if (w->ww_ob != 0) |
164 | free(w->ww_ob); | |
7ecf4dca EW |
165 | if (w->ww_pty >= 0) |
166 | (void) close(w->ww_pty); | |
167 | if (w->ww_socket >= 0) | |
168 | (void) close(w->ww_socket); | |
489d8a09 | 169 | free((char *)w); |
4711df8b | 170 | } |
138b737c EW |
171 | return 0; |
172 | } |