Commit | Line | Data |
---|---|---|
138b737c | 1 | #ifndef lint |
7edc52ec | 2 | static char sccsid[] = "@(#)wwopen.c 3.17 %G%"; |
138b737c EW |
3 | #endif |
4 | ||
5 | #include "ww.h" | |
7ecf4dca EW |
6 | #include <sys/types.h> |
7 | #include <sys/socket.h> | |
138b737c | 8 | |
138b737c | 9 | struct ww * |
bb05dfb5 | 10 | wwopen(flags, nrow, ncol, row, col, nline) |
138b737c | 11 | { |
a8a39d2c | 12 | register struct ww *w; |
bb05dfb5 EW |
13 | register i, j; |
14 | char m; | |
15 | short nvis; | |
138b737c | 16 | |
03f0d462 | 17 | w = (struct ww *)calloc(sizeof (struct ww), 1); |
03e75950 EW |
18 | if (w == 0) { |
19 | wwerrno = WWE_NOMEM; | |
03f0d462 | 20 | goto bad; |
03e75950 | 21 | } |
eec72f58 | 22 | w->ww_pty = -1; |
7ecf4dca | 23 | w->ww_socket = -1; |
03f0d462 | 24 | |
bb05dfb5 EW |
25 | for (i = 0; i < NWW && wwindex[i] != 0; i++) |
26 | ; | |
03e75950 EW |
27 | if (i >= NWW) { |
28 | wwerrno = WWE_TOOMANY; | |
138b737c | 29 | goto bad; |
03e75950 | 30 | } |
bb05dfb5 | 31 | w->ww_index = i; |
bb05dfb5 | 32 | |
f2a77fe1 EW |
33 | if (nline < nrow) |
34 | nline = nrow; | |
35 | ||
19f9784c EW |
36 | w->ww_w.t = row; |
37 | w->ww_w.b = row + nrow; | |
38 | w->ww_w.l = col; | |
39 | w->ww_w.r = col + ncol; | |
40 | w->ww_w.nr = nrow; | |
41 | w->ww_w.nc = ncol; | |
f2a77fe1 EW |
42 | |
43 | w->ww_b.t = row; | |
44 | w->ww_b.b = row + nline; | |
45 | w->ww_b.l = col; | |
46 | w->ww_b.r = col + ncol; | |
47 | w->ww_b.nr = nline; | |
48 | w->ww_b.nc = ncol; | |
49 | ||
19f9784c EW |
50 | w->ww_i.t = MAX(w->ww_w.t, 0); |
51 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
52 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
53 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
54 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
55 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
56 | ||
f2a77fe1 EW |
57 | w->ww_cur.r = w->ww_w.t; |
58 | w->ww_cur.c = w->ww_w.l; | |
bb05dfb5 | 59 | |
03f0d462 | 60 | if (flags & WWO_PTY) { |
03f0d462 EW |
61 | if (wwgetpty(w) < 0) |
62 | goto bad; | |
63 | if (wwsettty(w->ww_pty, &wwwintty) < 0) | |
64 | goto bad; | |
7ecf4dca EW |
65 | w->ww_ispty = 1; |
66 | } else if (flags & WWO_SOCKET) { | |
67 | int d[2]; | |
68 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, d) < 0) { | |
69 | wwerrno = WWE_SYS; | |
8fa6d94c | 70 | goto bad; |
7ecf4dca EW |
71 | } |
72 | w->ww_pty = d[0]; | |
73 | w->ww_socket = d[1]; | |
74 | } | |
75 | if (flags & (WWO_PTY|WWO_SOCKET)) { | |
76 | if ((w->ww_ob = malloc(512)) == 0) { | |
77 | wwerrno = WWE_NOMEM; | |
78 | goto bad; | |
79 | } | |
8fa6d94c | 80 | w->ww_obe = w->ww_ob + 512; |
7ecf4dca | 81 | w->ww_obp = w->ww_obq = w->ww_ob; |
03f0d462 EW |
82 | } |
83 | ||
f2a77fe1 EW |
84 | w->ww_win = wwalloc(w->ww_w.t, w->ww_w.l, |
85 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
bb05dfb5 EW |
86 | if (w->ww_win == 0) |
87 | goto bad; | |
88 | m = 0; | |
89 | if (flags & WWO_GLASS) | |
90 | m |= WWM_GLS; | |
91 | if (flags & WWO_REVERSE) | |
92 | m |= WWM_REV; | |
f2a77fe1 EW |
93 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
94 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
bb05dfb5 | 95 | w->ww_win[i][j] = m; |
2357b64e EW |
96 | |
97 | if (flags & WWO_FRAME) { | |
f2a77fe1 EW |
98 | w->ww_fmap = wwalloc(w->ww_w.t, w->ww_w.l, |
99 | w->ww_w.nr, w->ww_w.nc, sizeof (char)); | |
2357b64e | 100 | if (w->ww_fmap == 0) |
03e75950 | 101 | wwerrno = WWE_NOMEM; |
f2a77fe1 EW |
102 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
103 | for (j = w->ww_w.l; j < w->ww_w.r; j++) | |
2357b64e EW |
104 | w->ww_fmap[i][j] = 0; |
105 | } | |
bb05dfb5 EW |
106 | |
107 | w->ww_buf = (union ww_char **) | |
f2a77fe1 EW |
108 | wwalloc(w->ww_b.t, w->ww_b.l, |
109 | w->ww_b.nr, w->ww_b.nc, sizeof (union ww_char)); | |
bb05dfb5 EW |
110 | if (w->ww_buf == 0) |
111 | goto bad; | |
f2a77fe1 EW |
112 | for (i = w->ww_b.t; i < w->ww_b.b; i++) |
113 | for (j = w->ww_b.l; j < w->ww_b.r; j++) | |
bb05dfb5 EW |
114 | w->ww_buf[i][j].c_w = ' '; |
115 | ||
116 | w->ww_nvis = (short *)malloc((unsigned) w->ww_w.nr * sizeof (short)); | |
03e75950 EW |
117 | if (w->ww_nvis == 0) { |
118 | wwerrno = WWE_NOMEM; | |
138b737c | 119 | goto bad; |
03e75950 | 120 | } |
f2a77fe1 | 121 | w->ww_nvis -= w->ww_w.t; |
bb05dfb5 | 122 | nvis = m ? 0 : w->ww_w.nc; |
f2a77fe1 | 123 | for (i = w->ww_w.t; i < w->ww_w.b; i++) |
bb05dfb5 EW |
124 | w->ww_nvis[i] = nvis; |
125 | ||
126 | w->ww_state = WWS_INITIAL; | |
03f0d462 | 127 | return wwindex[w->ww_index] = w; |
138b737c | 128 | bad: |
4711df8b | 129 | if (w != 0) { |
bb05dfb5 | 130 | if (w->ww_win != 0) |
f2a77fe1 | 131 | wwfree(w->ww_win, w->ww_w.t); |
07f640ea | 132 | if (w->ww_fmap != 0) |
f2a77fe1 | 133 | wwfree(w->ww_fmap, w->ww_w.t); |
bb05dfb5 | 134 | if (w->ww_buf != 0) |
f2a77fe1 | 135 | wwfree((char **)w->ww_buf, w->ww_b.t); |
bb05dfb5 | 136 | if (w->ww_nvis != 0) |
f2a77fe1 | 137 | free((char *)(w->ww_nvis + w->ww_w.t)); |
8fa6d94c EW |
138 | if (w->ww_ob != 0) |
139 | free(w->ww_ob); | |
7ecf4dca EW |
140 | if (w->ww_pty >= 0) |
141 | (void) close(w->ww_pty); | |
142 | if (w->ww_socket >= 0) | |
143 | (void) close(w->ww_socket); | |
489d8a09 | 144 | free((char *)w); |
4711df8b | 145 | } |
138b737c EW |
146 | return 0; |
147 | } |