diff options
Diffstat (limited to 'usr.bin/window/ttinit.c')
| -rw-r--r-- | usr.bin/window/ttinit.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/usr.bin/window/ttinit.c b/usr.bin/window/ttinit.c new file mode 100644 index 0000000..8b82872 --- /dev/null +++ b/usr.bin/window/ttinit.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Edward Wang at The University of California, Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)ttinit.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include "ww.h" +#include "tt.h" + +int tt_h19(); +int tt_h29(); +int tt_f100(); +int tt_tvi925(); +int tt_wyse75(); +int tt_wyse60(); +int tt_zapple(); +int tt_zentec(); +int tt_generic(); +struct tt_tab tt_tab[] = { + { "h19", 3, tt_h19 }, + { "h29", 3, tt_h29 }, + { "f100", 4, tt_f100 }, + { "tvi925", 6, tt_tvi925 }, + { "wyse75", 6, tt_wyse75 }, + { "wyse60", 6, tt_wyse60 }, + { "w60", 3, tt_wyse60 }, + { "zapple", 6, tt_zapple }, + { "zentec", 6, tt_zentec }, + { "generic", 0, tt_generic }, + 0 +}; + +ttinit() +{ + int i; + register struct tt_tab *tp; + register char *p, *q; + register char *t; + + tt_strp = tt_strings; + + /* + * Set output buffer size to about 1 second of output time. + */ + i = MIN(wwbaud/10, 512); + if ((tt_ob = malloc((unsigned) i)) == 0) { + wwerrno = WWE_NOMEM; + return -1; + } + tt_obp = tt_ob; + tt_obe = tt_ob + i; + + /* + * Use the standard name of the terminal (i.e. the second + * name in termcap). + */ + for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++) + ; + if (*p == '|') + p++; + for (q = p; *q && *q != '|' && *q != ':'; q++) + ; + if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) { + wwterm = t; + while (p < q) + *t++ = *p++; + *t = 0; + } + for (tp = tt_tab; tp->tt_name != 0; tp++) + if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0) + break; + if (tp->tt_name == 0) { + wwerrno = WWE_BADTERM; + return -1; + } + if ((*tp->tt_func)() < 0) { + wwerrno = WWE_CANTDO; + return -1; + } + if (wwgetttysize(0, &tt.tt_nrow, &tt.tt_ncol) < 0) + return -1; + tt.tt_scroll_top = 0; + tt.tt_scroll_bot = tt.tt_nrow - 1; + return 0; +} |
