Commit | Line | Data |
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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 | |
5e8b0e60 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
60de5df9 EW |
16 | */ |
17 | ||
46e9ea25 | 18 | #ifndef lint |
07578449 | 19 | static char sccsid[] = "@(#)wwinit.c 3.36 (Berkeley) %G%"; |
46e9ea25 KB |
20 | #endif /* not lint */ |
21 | ||
5528a91e | 22 | #include "ww.h" |
e908bfac | 23 | #include "tt.h" |
b1189050 EW |
24 | #include <sys/signal.h> |
25 | #include <fcntl.h> | |
0e64e422 | 26 | #include "char.h" |
5528a91e | 27 | |
5528a91e EW |
28 | wwinit() |
29 | { | |
bb05dfb5 | 30 | register i, j; |
4222244b | 31 | char *kp; |
7c38ad4d | 32 | int s; |
4711df8b | 33 | |
bb05dfb5 | 34 | wwdtablesize = getdtablesize(); |
4222244b EW |
35 | wwhead.ww_forw = &wwhead; |
36 | wwhead.ww_back = &wwhead; | |
b1189050 | 37 | |
7c38ad4d | 38 | s = sigblock(sigmask(SIGIO)); |
ab8b3b31 EW |
39 | if (signal(SIGIO, wwrint) == BADSIG || |
40 | signal(SIGCHLD, wwchild) == BADSIG || | |
41 | signal(SIGPIPE, SIG_IGN) == BADSIG) { | |
42 | wwerrno = WWE_SYS; | |
b1189050 | 43 | return -1; |
ab8b3b31 | 44 | } |
b1189050 | 45 | |
4711df8b EW |
46 | if (wwgettty(0, &wwoldtty) < 0) |
47 | return -1; | |
c44edccd EW |
48 | wwwintty = wwoldtty; |
49 | wwwintty.ww_sgttyb.sg_flags &= ~XTABS; | |
4222244b EW |
50 | wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb; |
51 | wwnewtty.ww_sgttyb.sg_erase = -1; | |
52 | wwnewtty.ww_sgttyb.sg_kill = -1; | |
4711df8b | 53 | wwnewtty.ww_sgttyb.sg_flags |= CBREAK; |
2b44d852 | 54 | wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD); |
4222244b EW |
55 | wwnewtty.ww_tchars.t_intrc = -1; |
56 | wwnewtty.ww_tchars.t_quitc = -1; | |
57 | wwnewtty.ww_tchars.t_startc = -1; | |
58 | wwnewtty.ww_tchars.t_stopc = -1; | |
59 | wwnewtty.ww_tchars.t_eofc = -1; | |
60 | wwnewtty.ww_tchars.t_brkc = -1; | |
61 | wwnewtty.ww_ltchars.t_suspc = -1; | |
62 | wwnewtty.ww_ltchars.t_dsuspc = -1; | |
63 | wwnewtty.ww_ltchars.t_rprntc = -1; | |
64 | wwnewtty.ww_ltchars.t_flushc = -1; | |
65 | wwnewtty.ww_ltchars.t_werasc = -1; | |
66 | wwnewtty.ww_ltchars.t_lnextc = -1; | |
67 | wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT; | |
68 | wwnewtty.ww_ldisc = wwoldtty.ww_ldisc; | |
69 | wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC; | |
4cbd8755 | 70 | if (wwsettty(0, &wwnewtty, &wwoldtty) < 0) |
bb05dfb5 EW |
71 | goto bad; |
72 | ||
03e75950 EW |
73 | if ((wwterm = getenv("TERM")) == 0) { |
74 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 75 | goto bad; |
03e75950 EW |
76 | } |
77 | if (tgetent(wwtermcap, wwterm) != 1) { | |
78 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 79 | goto bad; |
03e75950 | 80 | } |
bb05dfb5 EW |
81 | wwbaud = wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed]; |
82 | ||
ab8b3b31 | 83 | if (xxinit() < 0) |
bb05dfb5 EW |
84 | goto bad; |
85 | wwnrow = tt.tt_nrow; | |
86 | wwncol = tt.tt_ncol; | |
7d77e730 | 87 | wwavailmodes = tt.tt_availmodes; |
5e785082 | 88 | wwwrap = tt.tt_wrap; |
bb05dfb5 | 89 | |
73218728 EW |
90 | if (wwavailmodes & WWM_REV) |
91 | wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK; | |
92 | else if (wwavailmodes & WWM_UL) | |
93 | wwcursormodes = WWM_UL; | |
94 | ||
8fa6d94c EW |
95 | if ((wwib = malloc((unsigned) 512)) == 0) |
96 | goto bad; | |
97 | wwibe = wwib + 512; | |
b1189050 | 98 | wwibq = wwibp = wwib; |
8fa6d94c | 99 | |
f2a77fe1 | 100 | if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0) |
bb05dfb5 EW |
101 | goto bad; |
102 | for (i = 0; i < wwnrow; i++) | |
103 | for (j = 0; j < wwncol; j++) | |
104 | wwsmap[i][j] = WWX_NOBODY; | |
0896e17e | 105 | |
bb05dfb5 | 106 | wwos = (union ww_char **) |
f2a77fe1 | 107 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
108 | if (wwos == 0) |
109 | goto bad; | |
110 | for (i = 0; i < wwnrow; i++) | |
111 | for (j = 0; j < wwncol; j++) | |
112 | wwos[i][j].c_w = ' '; | |
113 | wwns = (union ww_char **) | |
f2a77fe1 | 114 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
115 | if (wwns == 0) |
116 | goto bad; | |
117 | for (i = 0; i < wwnrow; i++) | |
118 | for (j = 0; j < wwncol; j++) | |
119 | wwns[i][j].c_w = ' '; | |
120 | ||
861cd1ed | 121 | wwtouched = malloc((unsigned) wwnrow); |
03e75950 EW |
122 | if (wwtouched == 0) { |
123 | wwerrno = WWE_NOMEM; | |
861cd1ed | 124 | goto bad; |
03e75950 | 125 | } |
861cd1ed EW |
126 | for (i = 0; i < wwnrow; i++) |
127 | wwtouched[i] = 0; | |
128 | ||
6a1ef78a EW |
129 | wwupd = (struct ww_update *) malloc((unsigned) wwnrow * sizeof *wwupd); |
130 | if (wwupd == 0) { | |
131 | wwerrno = WWE_NOMEM; | |
132 | goto bad; | |
133 | } | |
134 | ||
bb05dfb5 EW |
135 | wwindex[WWX_NOBODY] = &wwnobody; |
136 | wwnobody.ww_order = NWW; | |
3e0824a9 | 137 | |
cf28fdac EW |
138 | kp = wwwintermcap; |
139 | if (wwavailmodes & WWM_REV) | |
140 | wwaddcap1(WWT_REV, &kp); | |
141 | if (wwavailmodes & WWM_BLK) | |
142 | wwaddcap1(WWT_BLK, &kp); | |
143 | if (wwavailmodes & WWM_UL) | |
144 | wwaddcap1(WWT_UL, &kp); | |
145 | if (wwavailmodes & WWM_GRP) | |
146 | wwaddcap1(WWT_GRP, &kp); | |
147 | if (wwavailmodes & WWM_DIM) | |
148 | wwaddcap1(WWT_DIM, &kp); | |
149 | if (wwavailmodes & WWM_USR) | |
150 | wwaddcap1(WWT_USR, &kp); | |
151 | if (tt.tt_insline && tt.tt_delline || tt.tt_setscroll) | |
152 | wwaddcap1(WWT_ALDL, &kp); | |
07578449 | 153 | if (tt.tt_inschar) |
cf28fdac | 154 | wwaddcap1(WWT_IMEI, &kp); |
07578449 EW |
155 | if (tt.tt_insspace) |
156 | wwaddcap1(WWT_IC, &kp); | |
cf28fdac EW |
157 | if (tt.tt_delchar) |
158 | wwaddcap1(WWT_DC, &kp); | |
3f32a92a EW |
159 | wwaddcap("kb", &kp); |
160 | wwaddcap("ku", &kp); | |
161 | wwaddcap("kd", &kp); | |
162 | wwaddcap("kl", &kp); | |
163 | wwaddcap("kr", &kp); | |
164 | wwaddcap("kh", &kp); | |
4222244b EW |
165 | if ((j = tgetnum("kn")) >= 0) { |
166 | char cap[32]; | |
3e0824a9 | 167 | |
4222244b | 168 | (void) sprintf(kp, "kn#%d:", j); |
3e0824a9 EW |
169 | for (; *kp; kp++) |
170 | ; | |
4222244b | 171 | for (i = 1; i <= j; i++) { |
bb05dfb5 | 172 | (void) sprintf(cap, "k%d", i); |
3f32a92a | 173 | wwaddcap(cap, &kp); |
3e0824a9 | 174 | cap[0] = 'l'; |
3f32a92a | 175 | wwaddcap(cap, &kp); |
3e0824a9 EW |
176 | } |
177 | } | |
cd9c5720 EW |
178 | /* |
179 | * It's ok to do this here even if setenv() is destructive | |
180 | * since tt_init() has already made its own copy of it and | |
181 | * wwterm now points to the copy. | |
182 | */ | |
91b689b9 | 183 | (void) setenv("TERM", WWT_TERM, 1); |
4222244b | 184 | |
7c38ad4d | 185 | (void) sigsetmask(s); |
ab8b3b31 EW |
186 | /* catch typeahead before ASYNC was set */ |
187 | (void) kill(getpid(), SIGIO); | |
188 | xxstart(); | |
4711df8b | 189 | return 0; |
bb05dfb5 | 190 | bad: |
861cd1ed EW |
191 | /* |
192 | * Don't bother to free storage. We're supposed | |
193 | * to exit when wwinit fails anyway. | |
194 | */ | |
4cbd8755 | 195 | (void) wwsettty(0, &wwoldtty, &wwnewtty); |
b1189050 | 196 | (void) signal(SIGIO, SIG_DFL); |
7c38ad4d | 197 | (void) sigsetmask(s); |
bb05dfb5 | 198 | return -1; |
5528a91e | 199 | } |
3e0824a9 | 200 | |
3f32a92a | 201 | wwaddcap(cap, kp) |
cf28fdac EW |
202 | register char *cap; |
203 | register char **kp; | |
3e0824a9 | 204 | { |
bb05dfb5 EW |
205 | char tbuf[512]; |
206 | char *tp = tbuf; | |
9ad71678 | 207 | register char *str, *p; |
3e0824a9 EW |
208 | |
209 | if ((str = tgetstr(cap, &tp)) != 0) { | |
4222244b | 210 | while (*(*kp)++ = *cap++) |
3e0824a9 | 211 | ; |
4222244b | 212 | (*kp)[-1] = '='; |
9ad71678 | 213 | while (*str) { |
4222244b | 214 | for (p = unctrl(*str++); *(*kp)++ = *p++;) |
9ad71678 | 215 | ; |
4222244b | 216 | (*kp)--; |
9ad71678 | 217 | } |
4222244b EW |
218 | *(*kp)++ = ':'; |
219 | **kp = 0; | |
3e0824a9 EW |
220 | } |
221 | } | |
cf28fdac EW |
222 | |
223 | wwaddcap1(cap, kp) | |
224 | register char *cap; | |
225 | register char **kp; | |
226 | { | |
227 | while (*(*kp)++ = *cap++) | |
228 | ; | |
229 | (*kp)--; | |
230 | } |