Annotation of src/usr.bin/window/ttinit.c, Revision 1.3
1.3 ! downsj 1: /* $OpenBSD$ */
1.1 deraadt 2: /* $NetBSD: ttinit.c,v 1.3 1995/09/28 10:34:50 tls Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Edward Wang at The University of California, Berkeley.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: */
39:
40: #ifndef lint
41: #if 0
42: static char sccsid[] = "@(#)ttinit.c 8.1 (Berkeley) 6/6/93";
43: #else
1.3 ! downsj 44: static char rcsid[] = "$OpenBSD$";
1.1 deraadt 45: #endif
46: #endif /* not lint */
47:
1.3 ! downsj 48: #include <stdlib.h>
1.1 deraadt 49: #include "ww.h"
50: #include "tt.h"
51:
52: int tt_h19();
53: int tt_h29();
54: int tt_f100();
55: int tt_tvi925();
56: int tt_wyse75();
57: int tt_wyse60();
58: int tt_zapple();
59: int tt_zentec();
60: int tt_generic();
61: struct tt_tab tt_tab[] = {
62: { "h19", 3, tt_h19 },
63: { "h29", 3, tt_h29 },
64: { "f100", 4, tt_f100 },
65: { "tvi925", 6, tt_tvi925 },
66: { "wyse75", 6, tt_wyse75 },
67: { "wyse60", 6, tt_wyse60 },
68: { "w60", 3, tt_wyse60 },
69: { "zapple", 6, tt_zapple },
70: { "zentec", 6, tt_zentec },
71: { "generic", 0, tt_generic },
72: 0
73: };
74:
75: ttinit()
76: {
77: int i;
78: register struct tt_tab *tp;
79: register char *p, *q;
80: register char *t;
81:
82: tt_strp = tt_strings;
83:
84: /*
85: * Set output buffer size to about 1 second of output time.
86: */
87: i = MIN(wwbaud/10, 512);
88: if ((tt_ob = malloc((unsigned) i)) == 0) {
89: wwerrno = WWE_NOMEM;
90: return -1;
91: }
92: tt_obp = tt_ob;
93: tt_obe = tt_ob + i;
94:
95: /*
96: * Use the standard name of the terminal (i.e. the second
97: * name in termcap).
98: */
99: for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++)
100: ;
101: if (*p == '|')
102: p++;
103: for (q = p; *q && *q != '|' && *q != ':'; q++)
104: ;
105: if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) {
106: wwterm = t;
107: while (p < q)
108: *t++ = *p++;
109: *t = 0;
110: }
111: for (tp = tt_tab; tp->tt_name != 0; tp++)
112: if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0)
113: break;
114: if (tp->tt_name == 0) {
115: wwerrno = WWE_BADTERM;
116: return -1;
117: }
118: if ((*tp->tt_func)() < 0) {
119: wwerrno = WWE_CANTDO;
120: return -1;
121: }
122: if (wwgetttysize(0, &tt.tt_nrow, &tt.tt_ncol) < 0)
123: return -1;
124: tt.tt_scroll_top = 0;
125: tt.tt_scroll_bot = tt.tt_nrow - 1;
126: return 0;
127: }