Commit | Line | Data |
---|---|---|
60de5df9 | 1 | /* |
46e9ea25 KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
3dd3a9e5 KB |
5 | * This code is derived from software contributed to Berkeley by |
6 | * Edward Wang at The University of California, Berkeley. | |
7 | * | |
87f529ec | 8 | * %sccs.include.redist.c% |
60de5df9 EW |
9 | */ |
10 | ||
46e9ea25 | 11 | #ifndef lint |
3dd3a9e5 | 12 | static char sccsid[] = "@(#)wwinit.c 3.39 (Berkeley) %G%"; |
46e9ea25 KB |
13 | #endif /* not lint */ |
14 | ||
5528a91e | 15 | #include "ww.h" |
e908bfac | 16 | #include "tt.h" |
b1189050 EW |
17 | #include <sys/signal.h> |
18 | #include <fcntl.h> | |
0e64e422 | 19 | #include "char.h" |
5528a91e | 20 | |
5528a91e EW |
21 | wwinit() |
22 | { | |
bb05dfb5 | 23 | register i, j; |
4222244b | 24 | char *kp; |
7c38ad4d | 25 | int s; |
4711df8b | 26 | |
bb05dfb5 | 27 | wwdtablesize = getdtablesize(); |
4222244b EW |
28 | wwhead.ww_forw = &wwhead; |
29 | wwhead.ww_back = &wwhead; | |
b1189050 | 30 | |
7c38ad4d | 31 | s = sigblock(sigmask(SIGIO)); |
ab8b3b31 EW |
32 | if (signal(SIGIO, wwrint) == BADSIG || |
33 | signal(SIGCHLD, wwchild) == BADSIG || | |
34 | signal(SIGPIPE, SIG_IGN) == BADSIG) { | |
35 | wwerrno = WWE_SYS; | |
b1189050 | 36 | return -1; |
ab8b3b31 | 37 | } |
b1189050 | 38 | |
4711df8b EW |
39 | if (wwgettty(0, &wwoldtty) < 0) |
40 | return -1; | |
c44edccd | 41 | wwwintty = wwoldtty; |
bbbb7b14 | 42 | #ifndef POSIX_TTY |
c44edccd | 43 | wwwintty.ww_sgttyb.sg_flags &= ~XTABS; |
4222244b EW |
44 | wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb; |
45 | wwnewtty.ww_sgttyb.sg_erase = -1; | |
46 | wwnewtty.ww_sgttyb.sg_kill = -1; | |
4711df8b | 47 | wwnewtty.ww_sgttyb.sg_flags |= CBREAK; |
2b44d852 | 48 | wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD); |
4222244b EW |
49 | wwnewtty.ww_tchars.t_intrc = -1; |
50 | wwnewtty.ww_tchars.t_quitc = -1; | |
51 | wwnewtty.ww_tchars.t_startc = -1; | |
52 | wwnewtty.ww_tchars.t_stopc = -1; | |
53 | wwnewtty.ww_tchars.t_eofc = -1; | |
54 | wwnewtty.ww_tchars.t_brkc = -1; | |
55 | wwnewtty.ww_ltchars.t_suspc = -1; | |
56 | wwnewtty.ww_ltchars.t_dsuspc = -1; | |
57 | wwnewtty.ww_ltchars.t_rprntc = -1; | |
58 | wwnewtty.ww_ltchars.t_flushc = -1; | |
59 | wwnewtty.ww_ltchars.t_werasc = -1; | |
60 | wwnewtty.ww_ltchars.t_lnextc = -1; | |
61 | wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT; | |
62 | wwnewtty.ww_ldisc = wwoldtty.ww_ldisc; | |
bbbb7b14 EW |
63 | #else |
64 | wwwintty.ww_termios.c_oflag &= ~OXTABS; | |
65 | wwnewtty.ww_termios = wwoldtty.ww_termios; | |
66 | wwnewtty.ww_termios.c_iflag &= | |
67 | ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF | IMAXBEL); | |
68 | wwnewtty.ww_termios.c_iflag |= INPCK; | |
69 | wwnewtty.ww_termios.c_oflag = 0; | |
70 | wwnewtty.ww_termios.c_cflag &= ~(CSIZE | PARENB); | |
71 | wwnewtty.ww_termios.c_cflag |= CS8; | |
72 | wwnewtty.ww_termios.c_lflag = 0; | |
73 | for (i = 0; i < NCC; i++) | |
74 | wwnewtty.ww_termios.c_cc[i] = _POSIX_VDISABLE; | |
75 | #endif | |
4222244b | 76 | wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC; |
4cbd8755 | 77 | if (wwsettty(0, &wwnewtty, &wwoldtty) < 0) |
bb05dfb5 EW |
78 | goto bad; |
79 | ||
03e75950 EW |
80 | if ((wwterm = getenv("TERM")) == 0) { |
81 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 82 | goto bad; |
03e75950 EW |
83 | } |
84 | if (tgetent(wwtermcap, wwterm) != 1) { | |
85 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 86 | goto bad; |
03e75950 | 87 | } |
bbbb7b14 | 88 | #ifndef POSIX_TTY |
bb05dfb5 | 89 | wwbaud = wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed]; |
bbbb7b14 EW |
90 | #else |
91 | #ifdef CBAUD | |
92 | wwbaud = wwbaudmap[wwoldtty.ww_termios.c_cflag & CBAUD]; | |
93 | #else | |
94 | wwbaud = wwoldtty.ww_termios.c_ospeed; | |
95 | #endif | |
96 | #endif | |
bb05dfb5 | 97 | |
ab8b3b31 | 98 | if (xxinit() < 0) |
bb05dfb5 EW |
99 | goto bad; |
100 | wwnrow = tt.tt_nrow; | |
101 | wwncol = tt.tt_ncol; | |
7d77e730 | 102 | wwavailmodes = tt.tt_availmodes; |
5e785082 | 103 | wwwrap = tt.tt_wrap; |
bb05dfb5 | 104 | |
73218728 EW |
105 | if (wwavailmodes & WWM_REV) |
106 | wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK; | |
107 | else if (wwavailmodes & WWM_UL) | |
108 | wwcursormodes = WWM_UL; | |
109 | ||
8fa6d94c EW |
110 | if ((wwib = malloc((unsigned) 512)) == 0) |
111 | goto bad; | |
112 | wwibe = wwib + 512; | |
b1189050 | 113 | wwibq = wwibp = wwib; |
8fa6d94c | 114 | |
f2a77fe1 | 115 | if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0) |
bb05dfb5 EW |
116 | goto bad; |
117 | for (i = 0; i < wwnrow; i++) | |
118 | for (j = 0; j < wwncol; j++) | |
119 | wwsmap[i][j] = WWX_NOBODY; | |
0896e17e | 120 | |
bb05dfb5 | 121 | wwos = (union ww_char **) |
f2a77fe1 | 122 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
123 | if (wwos == 0) |
124 | goto bad; | |
125 | for (i = 0; i < wwnrow; i++) | |
126 | for (j = 0; j < wwncol; j++) | |
127 | wwos[i][j].c_w = ' '; | |
128 | wwns = (union ww_char **) | |
f2a77fe1 | 129 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
130 | if (wwns == 0) |
131 | goto bad; | |
132 | for (i = 0; i < wwnrow; i++) | |
133 | for (j = 0; j < wwncol; j++) | |
134 | wwns[i][j].c_w = ' '; | |
135 | ||
861cd1ed | 136 | wwtouched = malloc((unsigned) wwnrow); |
03e75950 EW |
137 | if (wwtouched == 0) { |
138 | wwerrno = WWE_NOMEM; | |
861cd1ed | 139 | goto bad; |
03e75950 | 140 | } |
861cd1ed EW |
141 | for (i = 0; i < wwnrow; i++) |
142 | wwtouched[i] = 0; | |
143 | ||
6a1ef78a EW |
144 | wwupd = (struct ww_update *) malloc((unsigned) wwnrow * sizeof *wwupd); |
145 | if (wwupd == 0) { | |
146 | wwerrno = WWE_NOMEM; | |
147 | goto bad; | |
148 | } | |
149 | ||
bb05dfb5 EW |
150 | wwindex[WWX_NOBODY] = &wwnobody; |
151 | wwnobody.ww_order = NWW; | |
3e0824a9 | 152 | |
cf28fdac EW |
153 | kp = wwwintermcap; |
154 | if (wwavailmodes & WWM_REV) | |
155 | wwaddcap1(WWT_REV, &kp); | |
156 | if (wwavailmodes & WWM_BLK) | |
157 | wwaddcap1(WWT_BLK, &kp); | |
158 | if (wwavailmodes & WWM_UL) | |
159 | wwaddcap1(WWT_UL, &kp); | |
160 | if (wwavailmodes & WWM_GRP) | |
161 | wwaddcap1(WWT_GRP, &kp); | |
162 | if (wwavailmodes & WWM_DIM) | |
163 | wwaddcap1(WWT_DIM, &kp); | |
164 | if (wwavailmodes & WWM_USR) | |
165 | wwaddcap1(WWT_USR, &kp); | |
166 | if (tt.tt_insline && tt.tt_delline || tt.tt_setscroll) | |
167 | wwaddcap1(WWT_ALDL, &kp); | |
07578449 | 168 | if (tt.tt_inschar) |
cf28fdac | 169 | wwaddcap1(WWT_IMEI, &kp); |
07578449 EW |
170 | if (tt.tt_insspace) |
171 | wwaddcap1(WWT_IC, &kp); | |
cf28fdac EW |
172 | if (tt.tt_delchar) |
173 | wwaddcap1(WWT_DC, &kp); | |
3f32a92a EW |
174 | wwaddcap("kb", &kp); |
175 | wwaddcap("ku", &kp); | |
176 | wwaddcap("kd", &kp); | |
177 | wwaddcap("kl", &kp); | |
178 | wwaddcap("kr", &kp); | |
179 | wwaddcap("kh", &kp); | |
4222244b EW |
180 | if ((j = tgetnum("kn")) >= 0) { |
181 | char cap[32]; | |
3e0824a9 | 182 | |
4222244b | 183 | (void) sprintf(kp, "kn#%d:", j); |
3e0824a9 EW |
184 | for (; *kp; kp++) |
185 | ; | |
4222244b | 186 | for (i = 1; i <= j; i++) { |
bb05dfb5 | 187 | (void) sprintf(cap, "k%d", i); |
3f32a92a | 188 | wwaddcap(cap, &kp); |
3e0824a9 | 189 | cap[0] = 'l'; |
3f32a92a | 190 | wwaddcap(cap, &kp); |
3e0824a9 EW |
191 | } |
192 | } | |
cd9c5720 EW |
193 | /* |
194 | * It's ok to do this here even if setenv() is destructive | |
195 | * since tt_init() has already made its own copy of it and | |
196 | * wwterm now points to the copy. | |
197 | */ | |
91b689b9 | 198 | (void) setenv("TERM", WWT_TERM, 1); |
4222244b | 199 | |
7c38ad4d | 200 | (void) sigsetmask(s); |
ab8b3b31 EW |
201 | /* catch typeahead before ASYNC was set */ |
202 | (void) kill(getpid(), SIGIO); | |
203 | xxstart(); | |
4711df8b | 204 | return 0; |
bb05dfb5 | 205 | bad: |
861cd1ed EW |
206 | /* |
207 | * Don't bother to free storage. We're supposed | |
208 | * to exit when wwinit fails anyway. | |
209 | */ | |
4cbd8755 | 210 | (void) wwsettty(0, &wwoldtty, &wwnewtty); |
b1189050 | 211 | (void) signal(SIGIO, SIG_DFL); |
7c38ad4d | 212 | (void) sigsetmask(s); |
bb05dfb5 | 213 | return -1; |
5528a91e | 214 | } |
3e0824a9 | 215 | |
3f32a92a | 216 | wwaddcap(cap, kp) |
cf28fdac EW |
217 | register char *cap; |
218 | register char **kp; | |
3e0824a9 | 219 | { |
bb05dfb5 EW |
220 | char tbuf[512]; |
221 | char *tp = tbuf; | |
9ad71678 | 222 | register char *str, *p; |
3e0824a9 EW |
223 | |
224 | if ((str = tgetstr(cap, &tp)) != 0) { | |
4222244b | 225 | while (*(*kp)++ = *cap++) |
3e0824a9 | 226 | ; |
4222244b | 227 | (*kp)[-1] = '='; |
9ad71678 | 228 | while (*str) { |
4222244b | 229 | for (p = unctrl(*str++); *(*kp)++ = *p++;) |
9ad71678 | 230 | ; |
4222244b | 231 | (*kp)--; |
9ad71678 | 232 | } |
4222244b EW |
233 | *(*kp)++ = ':'; |
234 | **kp = 0; | |
3e0824a9 EW |
235 | } |
236 | } | |
cf28fdac EW |
237 | |
238 | wwaddcap1(cap, kp) | |
239 | register char *cap; | |
240 | register char **kp; | |
241 | { | |
242 | while (*(*kp)++ = *cap++) | |
243 | ; | |
244 | (*kp)--; | |
245 | } |