Commit | Line | Data |
---|---|---|
5528a91e | 1 | #ifndef lint |
7c38ad4d | 2 | static char *sccsid = "@(#)wwinit.c 3.18 84/04/16"; |
5528a91e EW |
3 | #endif |
4 | ||
5 | #include "ww.h" | |
e908bfac | 6 | #include "tt.h" |
b1189050 EW |
7 | #include <sys/signal.h> |
8 | #include <fcntl.h> | |
0e64e422 | 9 | #include "char.h" |
5528a91e | 10 | |
5528a91e EW |
11 | wwinit() |
12 | { | |
bb05dfb5 | 13 | register i, j; |
4222244b EW |
14 | char *kp; |
15 | register char **p, **q; | |
16 | char **env, **termcap; | |
17 | extern char **environ; | |
7c38ad4d | 18 | int s; |
4711df8b | 19 | |
bb05dfb5 | 20 | wwdtablesize = getdtablesize(); |
4222244b EW |
21 | wwhead.ww_forw = &wwhead; |
22 | wwhead.ww_back = &wwhead; | |
b1189050 | 23 | |
7c38ad4d | 24 | s = sigblock(sigmask(SIGIO)); |
b1189050 EW |
25 | if (signal(SIGIO, wwrint) == BADSIG) |
26 | return -1; | |
b1189050 | 27 | |
4711df8b EW |
28 | if (wwgettty(0, &wwoldtty) < 0) |
29 | return -1; | |
c44edccd EW |
30 | wwwintty = wwoldtty; |
31 | wwwintty.ww_sgttyb.sg_flags &= ~XTABS; | |
4222244b EW |
32 | wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb; |
33 | wwnewtty.ww_sgttyb.sg_erase = -1; | |
34 | wwnewtty.ww_sgttyb.sg_kill = -1; | |
4711df8b | 35 | wwnewtty.ww_sgttyb.sg_flags |= CBREAK; |
2b44d852 | 36 | wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD); |
4222244b EW |
37 | wwnewtty.ww_tchars.t_intrc = -1; |
38 | wwnewtty.ww_tchars.t_quitc = -1; | |
39 | wwnewtty.ww_tchars.t_startc = -1; | |
40 | wwnewtty.ww_tchars.t_stopc = -1; | |
41 | wwnewtty.ww_tchars.t_eofc = -1; | |
42 | wwnewtty.ww_tchars.t_brkc = -1; | |
43 | wwnewtty.ww_ltchars.t_suspc = -1; | |
44 | wwnewtty.ww_ltchars.t_dsuspc = -1; | |
45 | wwnewtty.ww_ltchars.t_rprntc = -1; | |
46 | wwnewtty.ww_ltchars.t_flushc = -1; | |
47 | wwnewtty.ww_ltchars.t_werasc = -1; | |
48 | wwnewtty.ww_ltchars.t_lnextc = -1; | |
49 | wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT; | |
50 | wwnewtty.ww_ldisc = wwoldtty.ww_ldisc; | |
51 | wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC; | |
52 | ||
4711df8b | 53 | if (wwsettty(0, &wwnewtty) < 0) |
bb05dfb5 EW |
54 | goto bad; |
55 | ||
03e75950 EW |
56 | if ((wwterm = getenv("TERM")) == 0) { |
57 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 58 | goto bad; |
03e75950 EW |
59 | } |
60 | if (tgetent(wwtermcap, wwterm) != 1) { | |
61 | wwerrno = WWE_BADTERM; | |
bb05dfb5 | 62 | goto bad; |
03e75950 | 63 | } |
bb05dfb5 EW |
64 | wwbaud = wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed]; |
65 | ||
66 | if (ttinit() < 0) | |
67 | goto bad; | |
68 | wwnrow = tt.tt_nrow; | |
69 | wwncol = tt.tt_ncol; | |
7d77e730 | 70 | wwavailmodes = tt.tt_availmodes; |
5e785082 | 71 | wwwrap = tt.tt_wrap; |
e908bfac | 72 | (*tt.tt_init)(); |
bb05dfb5 | 73 | |
73218728 EW |
74 | if (wwavailmodes & WWM_REV) |
75 | wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK; | |
76 | else if (wwavailmodes & WWM_UL) | |
77 | wwcursormodes = WWM_UL; | |
78 | ||
8fa6d94c EW |
79 | if ((wwib = malloc((unsigned) 512)) == 0) |
80 | goto bad; | |
81 | wwibe = wwib + 512; | |
b1189050 | 82 | wwibq = wwibp = wwib; |
8fa6d94c | 83 | |
f2a77fe1 | 84 | if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0) |
bb05dfb5 EW |
85 | goto bad; |
86 | for (i = 0; i < wwnrow; i++) | |
87 | for (j = 0; j < wwncol; j++) | |
88 | wwsmap[i][j] = WWX_NOBODY; | |
0896e17e | 89 | |
bb05dfb5 | 90 | wwos = (union ww_char **) |
f2a77fe1 | 91 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
92 | if (wwos == 0) |
93 | goto bad; | |
94 | for (i = 0; i < wwnrow; i++) | |
95 | for (j = 0; j < wwncol; j++) | |
96 | wwos[i][j].c_w = ' '; | |
97 | wwns = (union ww_char **) | |
f2a77fe1 | 98 | wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); |
bb05dfb5 EW |
99 | if (wwns == 0) |
100 | goto bad; | |
101 | for (i = 0; i < wwnrow; i++) | |
102 | for (j = 0; j < wwncol; j++) | |
103 | wwns[i][j].c_w = ' '; | |
104 | ||
861cd1ed | 105 | wwtouched = malloc((unsigned) wwnrow); |
03e75950 EW |
106 | if (wwtouched == 0) { |
107 | wwerrno = WWE_NOMEM; | |
861cd1ed | 108 | goto bad; |
03e75950 | 109 | } |
861cd1ed EW |
110 | for (i = 0; i < wwnrow; i++) |
111 | wwtouched[i] = 0; | |
112 | ||
bb05dfb5 EW |
113 | wwindex[WWX_NOBODY] = &wwnobody; |
114 | wwnobody.ww_order = NWW; | |
3e0824a9 | 115 | |
4222244b EW |
116 | kp = wwkeys; |
117 | addcap("kb", &kp); | |
118 | addcap("ku", &kp); | |
119 | addcap("kd", &kp); | |
120 | addcap("kl", &kp); | |
121 | addcap("kr", &kp); | |
122 | addcap("kh", &kp); | |
123 | if ((j = tgetnum("kn")) >= 0) { | |
124 | char cap[32]; | |
3e0824a9 EW |
125 | int i; |
126 | ||
4222244b | 127 | (void) sprintf(kp, "kn#%d:", j); |
3e0824a9 EW |
128 | for (; *kp; kp++) |
129 | ; | |
4222244b | 130 | for (i = 1; i <= j; i++) { |
bb05dfb5 | 131 | (void) sprintf(cap, "k%d", i); |
4222244b | 132 | addcap(cap, &kp); |
3e0824a9 | 133 | cap[0] = 'l'; |
4222244b | 134 | addcap(cap, &kp); |
3e0824a9 EW |
135 | } |
136 | } | |
4222244b EW |
137 | for (i = 0, p = environ; *p++; i++) |
138 | ; | |
139 | if ((env = (char **)malloc((unsigned)(i + 3) * sizeof (char *))) == 0) | |
140 | goto bad; | |
141 | for (p = environ, q = env; *p; p++, q++) { | |
142 | if (strncmp(*p, "TERM=", 5) == 0) | |
143 | *q = WWT_TERM; | |
144 | else if (strncmp(*p, "TERMCAP=", 8) == 0) | |
145 | termcap = q; | |
146 | else | |
147 | *q = *p; | |
148 | } | |
149 | *(termcap ? termcap : q++) = wwwintermcap; | |
150 | *q = 0; | |
151 | environ = env; | |
152 | ||
7c38ad4d | 153 | (void) sigsetmask(s); |
4711df8b | 154 | return 0; |
bb05dfb5 | 155 | bad: |
861cd1ed EW |
156 | /* |
157 | * Don't bother to free storage. We're supposed | |
158 | * to exit when wwinit fails anyway. | |
159 | */ | |
bb05dfb5 | 160 | (void) wwsettty(0, &wwoldtty); |
b1189050 | 161 | (void) signal(SIGIO, SIG_DFL); |
7c38ad4d | 162 | (void) sigsetmask(s); |
bb05dfb5 | 163 | return -1; |
5528a91e | 164 | } |
3e0824a9 | 165 | |
bb05dfb5 | 166 | static |
4222244b | 167 | addcap(cap, kp) |
3e0824a9 | 168 | register char *cap; |
4222244b | 169 | register char **kp; |
3e0824a9 | 170 | { |
bb05dfb5 EW |
171 | char tbuf[512]; |
172 | char *tp = tbuf; | |
9ad71678 | 173 | register char *str, *p; |
3e0824a9 EW |
174 | |
175 | if ((str = tgetstr(cap, &tp)) != 0) { | |
4222244b | 176 | while (*(*kp)++ = *cap++) |
3e0824a9 | 177 | ; |
4222244b | 178 | (*kp)[-1] = '='; |
9ad71678 | 179 | while (*str) { |
4222244b | 180 | for (p = unctrl(*str++); *(*kp)++ = *p++;) |
9ad71678 | 181 | ; |
4222244b | 182 | (*kp)--; |
9ad71678 | 183 | } |
4222244b EW |
184 | *(*kp)++ = ':'; |
185 | **kp = 0; | |
3e0824a9 EW |
186 | } |
187 | } |