Commit | Line | Data |
---|---|---|
5528a91e | 1 | #ifndef lint |
a9c641cc | 2 | static char sccsid[] = "@(#)wwinit.c 3.26 %G%"; |
5528a91e 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 | ||
5528a91e | 11 | #include "ww.h" |
e908bfac | 12 | #include "tt.h" |
b1189050 EW |
13 | #include <sys/signal.h> |
14 | #include <fcntl.h> | |
0e64e422 | 15 | #include "char.h" |
5528a91e | 16 | |
5528a91e EW |
17 | wwinit() |
18 | { | |
bb05dfb5 | 19 | register i, j; |
4222244b EW |
20 | char *kp; |
21 | register char **p, **q; | |
ceaeff00 | 22 | char **env, **termcap = 0; |
4222244b | 23 | extern char **environ; |
7c38ad4d | 24 | int s; |
4711df8b | 25 | |
bb05dfb5 | 26 | wwdtablesize = getdtablesize(); |
4222244b EW |
27 | wwhead.ww_forw = &wwhead; |
28 | wwhead.ww_back = &wwhead; | |
b1189050 | 29 | |
7c38ad4d | 30 | s = sigblock(sigmask(SIGIO)); |
b1189050 EW |
31 | if (signal(SIGIO, wwrint) == BADSIG) |
32 | return -1; | |
b1189050 | 33 | |
4711df8b EW |
34 | if (wwgettty(0, &wwoldtty) < 0) |
35 | return -1; | |
c44edccd EW |
36 | wwwintty = wwoldtty; |
37 | wwwintty.ww_sgttyb.sg_flags &= ~XTABS; | |
4222244b EW |
38 | wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb; |
39 | wwnewtty.ww_sgttyb.sg_erase = -1; | |
40 | wwnewtty.ww_sgttyb.sg_kill = -1; | |
4711df8b | 41 | wwnewtty.ww_sgttyb.sg_flags |= CBREAK; |
2b44d852 | 42 | wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD); |
4222244b EW |
43 | wwnewtty.ww_tchars.t_intrc = -1; |
44 | wwnewtty.ww_tchars.t_quitc = -1; | |
45 | wwnewtty.ww_tchars.t_startc = -1; | |
46 | wwnewtty.ww_tchars.t_stopc = -1; | |
47 | wwnewtty.ww_tchars.t_eofc = -1; | |
48 | wwnewtty.ww_tchars.t_brkc = -1; | |
49 | wwnewtty.ww_ltchars.t_suspc = -1; | |
50 | wwnewtty.ww_ltchars.t_dsuspc = -1; | |
51 | wwnewtty.ww_ltchars.t_rprntc = -1; | |
52 | wwnewtty.ww_ltchars.t_flushc = -1; | |
53 | wwnewtty.ww_ltchars.t_werasc = -1; | |
54 | wwnewtty.ww_ltchars.t_lnextc = -1; | |
55 | wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT; | |
56 | wwnewtty.ww_ldisc = wwoldtty.ww_ldisc; | |
57 | wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC; | |
4cbd8755 | 58 | if (wwsettty(0, &wwnewtty, &wwoldtty) < 0) |
bb05dfb5 EW |
59 | goto bad; |
60 | ||
03e75950 EW |
61 | if ((wwterm = getenv("TERM")) == 0) { |
62 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 63 | goto bad; |
03e75950 EW |
64 | } |
65 | if (tgetent(wwtermcap, wwterm) != 1) { | |
66 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 67 | goto bad; |
03e75950 | 68 | } |
bb05dfb5 EW |
69 | wwbaud = wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed]; |
70 | ||
71 | if (ttinit() < 0) | |
72 | goto bad; | |
73 | wwnrow = tt.tt_nrow; | |
74 | wwncol = tt.tt_ncol; | |
7d77e730 | 75 | wwavailmodes = tt.tt_availmodes; |
5e785082 | 76 | wwwrap = tt.tt_wrap; |
e908bfac | 77 | (*tt.tt_init)(); |
bb05dfb5 | 78 | |
73218728 EW |
79 | if (wwavailmodes & WWM_REV) |
80 | wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK; | |
81 | else if (wwavailmodes & WWM_UL) | |
82 | wwcursormodes = WWM_UL; | |
83 | ||
8fa6d94c EW |
84 | if ((wwib = malloc((unsigned) 512)) == 0) |
85 | goto bad; | |
86 | wwibe = wwib + 512; | |
b1189050 | 87 | wwibq = wwibp = wwib; |
8fa6d94c | 88 | |
f2a77fe1 | 89 | if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0) |
bb05dfb5 EW |
90 | goto bad; |
91 | for (i = 0; i < wwnrow; i++) | |
92 | for (j = 0; j < wwncol; j++) | |
93 | wwsmap[i][j] = WWX_NOBODY; | |
0896e17e | 94 | |
bb05dfb5 | 95 | wwos = (union ww_char **) |
f2a77fe1 | 96 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
97 | if (wwos == 0) |
98 | goto bad; | |
99 | for (i = 0; i < wwnrow; i++) | |
100 | for (j = 0; j < wwncol; j++) | |
101 | wwos[i][j].c_w = ' '; | |
102 | wwns = (union ww_char **) | |
f2a77fe1 | 103 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
104 | if (wwns == 0) |
105 | goto bad; | |
106 | for (i = 0; i < wwnrow; i++) | |
107 | for (j = 0; j < wwncol; j++) | |
108 | wwns[i][j].c_w = ' '; | |
109 | ||
861cd1ed | 110 | wwtouched = malloc((unsigned) wwnrow); |
03e75950 EW |
111 | if (wwtouched == 0) { |
112 | wwerrno = WWE_NOMEM; | |
861cd1ed | 113 | goto bad; |
03e75950 | 114 | } |
861cd1ed EW |
115 | for (i = 0; i < wwnrow; i++) |
116 | wwtouched[i] = 0; | |
117 | ||
bb05dfb5 EW |
118 | wwindex[WWX_NOBODY] = &wwnobody; |
119 | wwnobody.ww_order = NWW; | |
3e0824a9 | 120 | |
4222244b | 121 | kp = wwkeys; |
3f32a92a EW |
122 | wwaddcap("kb", &kp); |
123 | wwaddcap("ku", &kp); | |
124 | wwaddcap("kd", &kp); | |
125 | wwaddcap("kl", &kp); | |
126 | wwaddcap("kr", &kp); | |
127 | wwaddcap("kh", &kp); | |
4222244b EW |
128 | if ((j = tgetnum("kn")) >= 0) { |
129 | char cap[32]; | |
3e0824a9 | 130 | |
4222244b | 131 | (void) sprintf(kp, "kn#%d:", j); |
3e0824a9 EW |
132 | for (; *kp; kp++) |
133 | ; | |
4222244b | 134 | for (i = 1; i <= j; i++) { |
bb05dfb5 | 135 | (void) sprintf(cap, "k%d", i); |
3f32a92a | 136 | wwaddcap(cap, &kp); |
3e0824a9 | 137 | cap[0] = 'l'; |
3f32a92a | 138 | wwaddcap(cap, &kp); |
3e0824a9 EW |
139 | } |
140 | } | |
4222244b EW |
141 | for (i = 0, p = environ; *p++; i++) |
142 | ; | |
143 | if ((env = (char **)malloc((unsigned)(i + 3) * sizeof (char *))) == 0) | |
144 | goto bad; | |
145 | for (p = environ, q = env; *p; p++, q++) { | |
146 | if (strncmp(*p, "TERM=", 5) == 0) | |
147 | *q = WWT_TERM; | |
148 | else if (strncmp(*p, "TERMCAP=", 8) == 0) | |
149 | termcap = q; | |
150 | else | |
151 | *q = *p; | |
152 | } | |
153 | *(termcap ? termcap : q++) = wwwintermcap; | |
154 | *q = 0; | |
155 | environ = env; | |
156 | ||
3f32a92a | 157 | (void) signal(SIGPIPE, SIG_IGN); |
7c38ad4d | 158 | (void) sigsetmask(s); |
4711df8b | 159 | return 0; |
bb05dfb5 | 160 | bad: |
861cd1ed EW |
161 | /* |
162 | * Don't bother to free storage. We're supposed | |
163 | * to exit when wwinit fails anyway. | |
164 | */ | |
4cbd8755 | 165 | (void) wwsettty(0, &wwoldtty, &wwnewtty); |
b1189050 | 166 | (void) signal(SIGIO, SIG_DFL); |
7c38ad4d | 167 | (void) sigsetmask(s); |
bb05dfb5 | 168 | return -1; |
5528a91e | 169 | } |
3e0824a9 | 170 | |
3f32a92a | 171 | wwaddcap(cap, kp) |
3e0824a9 | 172 | register char *cap; |
4222244b | 173 | register char **kp; |
3e0824a9 | 174 | { |
bb05dfb5 EW |
175 | char tbuf[512]; |
176 | char *tp = tbuf; | |
9ad71678 | 177 | register char *str, *p; |
3e0824a9 EW |
178 | |
179 | if ((str = tgetstr(cap, &tp)) != 0) { | |
4222244b | 180 | while (*(*kp)++ = *cap++) |
3e0824a9 | 181 | ; |
4222244b | 182 | (*kp)[-1] = '='; |
9ad71678 | 183 | while (*str) { |
4222244b | 184 | for (p = unctrl(*str++); *(*kp)++ = *p++;) |
9ad71678 | 185 | ; |
4222244b | 186 | (*kp)--; |
9ad71678 | 187 | } |
4222244b EW |
188 | *(*kp)++ = ':'; |
189 | **kp = 0; | |
3e0824a9 EW |
190 | } |
191 | } |