1 /* $NetBSD: ttinit.c,v 1.9 2003/08/13 15:21:07 itojun Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Edward Wang at The University of California, Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)ttinit.c 8.1 (Berkeley) 6/6/93"; 39 #else 40 __RCSID("$NetBSD: ttinit.c,v 1.9 2003/08/13 15:21:07 itojun Exp $"); 41 #endif 42 #endif /* not lint */ 43 44 #include <stdlib.h> 45 #include <string.h> 46 #include "ww.h" 47 #include "tt.h" 48 49 struct tt tt; 50 char tt_strings[1024]; /* string buffer */ 51 char *tt_strp; /* pointer for it */ 52 char *tt_ob; 53 char *tt_obp; 54 char *tt_obe; 55 56 struct tt_tab tt_tab[] = { 57 { "h19", 3, tt_h19 }, 58 { "h29", 3, tt_h29 }, 59 { "f100", 4, tt_f100 }, 60 { "tvi925", 6, tt_tvi925 }, 61 { "wyse75", 6, tt_wyse75 }, 62 { "wyse60", 6, tt_wyse60 }, 63 { "w60", 3, tt_wyse60 }, 64 { "zapple", 6, tt_zapple }, 65 { "zentec", 6, tt_zentec }, 66 { "generic", 0, tt_generic }, 67 { 0, 0, 0 } 68 }; 69 70 int 71 ttinit(void) 72 { 73 int i; 74 struct tt_tab *tp; 75 char *p, *q; 76 char *t; 77 78 tt_strp = tt_strings; 79 80 /* 81 * Set output buffer size to about 1 second of output time. 82 */ 83 i = MIN(wwbaud/10, 512); 84 if ((tt_ob = malloc((unsigned) i)) == 0) { 85 wwerrno = WWE_NOMEM; 86 return -1; 87 } 88 tt_obp = tt_ob; 89 tt_obe = tt_ob + i; 90 91 /* 92 * Use the standard name of the terminal (i.e. the second 93 * name in termcap). 94 */ 95 for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++) 96 ; 97 if (*p == '|') 98 p++; 99 for (q = p; *q && *q != '|' && *q != ':'; q++) 100 ; 101 if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) { 102 wwterm = t; 103 while (p < q) 104 *t++ = *p++; 105 *t = 0; 106 } 107 for (tp = tt_tab; tp->tt_name != 0; tp++) 108 if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0) 109 break; 110 if (tp->tt_name == 0) { 111 wwerrno = WWE_BADTERM; 112 return -1; 113 } 114 if ((*tp->tt_func)() < 0) { 115 wwerrno = WWE_CANTDO; 116 return -1; 117 } 118 if (wwgetttysize(0, &tt.tt_nrow, &tt.tt_ncol) < 0) 119 return -1; 120 tt.tt_scroll_top = 0; 121 tt.tt_scroll_bot = tt.tt_nrow - 1; 122 return 0; 123 } 124