Commit | Line | Data |
---|---|---|
138b737c | 1 | #ifndef lint |
20029082 | 2 | static char sccsid[] = "@(#)wwopen.c 3.23 %G%"; |
138b737c EW |
3 | #endif |
4 | ||
60de5df9 EW |
5 | /* |
6 | * Copyright (c) 1983 Regents of the University of California, | |
7 | * All rights reserved. Redistribution permitted subject to | |
8 | * the terms of the Berkeley Software License Agreement. | |
9 | */ | |
10 | ||
138b737c | 11 | #include "ww.h" |
7ecf4dca EW |
12 | #include <sys/types.h> |
13 | #include <sys/socket.h> | |
138b737c | 14 | |
138b737c | 15 | struct ww * |
bb05dfb5 | 16 | wwopen(flags, nrow, ncol, row, col, nline) |
138b737c | 17 | { |
a8a39d2c | 18 | register struct ww *w; |
bb05dfb5 EW |
19 | register i, j; |
20 | char m; | |
21 | short nvis; | |
138b737c | 22 | |
03f0d462 | 23 | w = (struct ww *)calloc(sizeof (struct ww), 1); |
03e75950 EW |
24 | if (w == 0) { |
25 | wwerrno = WWE_NOMEM; | |
03f0d462 | 26 | goto bad; |
03e75950 | 27 | } |
eec72f58 | 28 | w->ww_pty = -1; |
7ecf4dca | 29 | w->ww_socket = -1; |
03f0d462 | 30 | |
bb05dfb5 EW |
31 | for (i = 0; i < NWW && wwindex[i] != 0; i++) |
32 | ; | |
03e75950 EW |
33 | if (i >= NWW) { |
34 | wwerrno = WWE_TOOMANY; | |
138b737c | 35 | goto bad; |
03e75950 | 36 | } |
bb05dfb5 | 37 | w->ww_index = i; |
bb05dfb5 | 38 | |
f2a77fe1 EW |
39 | if (nline < nrow) |
40 | nline = nrow; | |
41 | ||
19f9784c EW |
42 | w->ww_w.t = row; |
43 | w->ww_w.b = row + nrow; | |
44 | w->ww_w.l = col; | |
45 | w->ww_w.r = col + ncol; | |
46 | w->ww_w.nr = nrow; | |
47 | w->ww_w.nc = ncol; | |
f2a77fe1 EW |
48 | |
49 | w->ww_b.t = row; | |
50 | w->ww_b.b = row + nline; | |
51 | w->ww_b.l = col; | |
52 | w->ww_b.r = col + ncol; | |
53 | w->ww_b.nr = nline; | |
54 | w->ww_b.nc = ncol; | |
55 | ||
19f9784c EW |
56 | w->ww_i.t = MAX(w->ww_w.t, 0); |
57 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
58 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
59 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
60 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
61 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
62 | ||
f2a77fe1 EW |
63 | w->ww_cur.r = w->ww_w.t; |
64 | w->ww_cur.c = w->ww_w.l; | |
bb05dfb5 | 65 | |
03f0d462 | 66 | if (flags & WWO_PTY) { |
b27a9cfb EW |
67 | struct winsize winsize; |
68 | ||
03f0d462 EW |
69 | if (wwgetpty(w) < 0) |
70 | goto bad; | |
4cbd8755 | 71 | if (wwsettty(w->ww_pty, &wwwintty, (struct ww_tty *)0) < 0) |
03f0d462 | 72 | goto bad; |
b27a9cfb EW |
73 | winsize.ws_row = nrow; |
74 | winsize.ws_col = ncol; | |
75 | winsize.ws_xpixel = winsize.ws_ypixel = 0; | |
20029082 | 76 | if (ioctl(w->ww_pty, TIOCSWINSZ, (char *)&winsize) < 0) { |
b27a9cfb EW |
77 | wwerrno = WWE_SYS; |
78 | goto bad; | |
79 | } | |
7ecf4dca EW |
80 | w->ww_ispty = 1; |
81 | } else if (flags & WWO_SOCKET) { | |
82 | int d[2]; | |
83 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, d) < 0) { | |
84 | wwerrno = WWE_SYS; | |
8fa6d94c | 85 | goto bad; |
7ecf4dca EW |
86 | } |
87 | w->ww_pty = d[0]; | |
88 | w->ww_socket = d[1]; | |
89 | } | |
90 | if (flags & (WWO_PTY|WWO_SOCKET)) { | |
91 | if ((w->ww_ob = malloc(512)) == 0) { | |
92 | wwerrno = WWE_NOMEM; | |
93 | goto bad; | |
94 | } | |
8fa6d94c | 95 | w->ww_obe = w->ww_ob + 512; |
7ecf4dca | 96 | w->ww_obp = w->ww_obq = w->ww_ob; |
03f0d462 EW |
97 | } |
98 | ||
f2a77fe1 EW |
99 | w->ww_win = wwalloc(w->ww_w.t, w->ww_w.l, |
100 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
bb05dfb5 EW |
101 | if (w->ww_win == 0) |
102 | goto bad; | |
103 | m = 0; | |
104 | if (flags & WWO_GLASS) | |
105 | m |= WWM_GLS; | |
106 | if (flags & WWO_REVERSE) | |
f4f5703a EW |
107 | if (wwavailmodes & WWM_REV) |
108 | m |= WWM_REV; | |
109 | else | |
110 | flags &= ~WWO_REVERSE; | |
f2a77fe1 EW |
111 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
112 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
bb05dfb5 | 113 | w->ww_win[i][j] = m; |
2357b64e EW |
114 | |
115 | if (flags & WWO_FRAME) { | |
f2a77fe1 EW |
116 | w->ww_fmap = wwalloc(w->ww_w.t, w->ww_w.l, |
117 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
2357b64e | 118 | if (w->ww_fmap == 0) |
b27a9cfb | 119 | goto bad; |
f2a77fe1 EW |
120 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
121 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
2357b64e EW |
122 | w->ww_fmap[i][j] = 0; |
123 | } | |
b27a9cfb | 124 | |
bb05dfb5 | 125 | w->ww_buf = (union ww_char **) |
f2a77fe1 EW |
126 | wwalloc(w->ww_b.t, w->ww_b.l, |
127 | w->ww_b.nr, w->ww_b.nc, sizeof (union ww_char)); | |
bb05dfb5 EW |
128 | if (w->ww_buf == 0) |
129 | goto bad; | |
f2a77fe1 EW |
130 | for (i = w->ww_b.t; i < w->ww_b.b; i++) |
131 | for (j = w->ww_b.l; j < w->ww_b.r; j++) | |
bb05dfb5 EW |
132 | w->ww_buf[i][j].c_w = ' '; |
133 | ||
134 | w->ww_nvis = (short *)malloc((unsigned) w->ww_w.nr * sizeof (short)); | |
03e75950 EW |
135 | if (w->ww_nvis == 0) { |
136 | wwerrno = WWE_NOMEM; | |
138b737c | 137 | goto bad; |
03e75950 | 138 | } |
f2a77fe1 | 139 | w->ww_nvis -= w->ww_w.t; |
bb05dfb5 | 140 | nvis = m ? 0 : w->ww_w.nc; |
f2a77fe1 | 141 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
bb05dfb5 EW |
142 | w->ww_nvis[i] = nvis; |
143 | ||
144 | w->ww_state = WWS_INITIAL; | |
b27a9cfb | 145 | w->ww_oflags = flags; |
03f0d462 | 146 | return wwindex[w->ww_index] = w; |
138b737c | 147 | bad: |
4711df8b | 148 | if (w != 0) { |
bb05dfb5 | 149 | if (w->ww_win != 0) |
f2a77fe1 | 150 | wwfree(w->ww_win, w->ww_w.t); |
07f640ea | 151 | if (w->ww_fmap != 0) |
f2a77fe1 | 152 | wwfree(w->ww_fmap, w->ww_w.t); |
bb05dfb5 | 153 | if (w->ww_buf != 0) |
f2a77fe1 | 154 | wwfree((char **)w->ww_buf, w->ww_b.t); |
bb05dfb5 | 155 | if (w->ww_nvis != 0) |
f2a77fe1 | 156 | free((char *)(w->ww_nvis + w->ww_w.t)); |
8fa6d94c EW |
157 | if (w->ww_ob != 0) |
158 | free(w->ww_ob); | |
7ecf4dca EW |
159 | if (w->ww_pty >= 0) |
160 | (void) close(w->ww_pty); | |
161 | if (w->ww_socket >= 0) | |
162 | (void) close(w->ww_socket); | |
489d8a09 | 163 | free((char *)w); |
4711df8b | 164 | } |
138b737c EW |
165 | return 0; |
166 | } |