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