BSD 4_3_Reno release

[unix-history] / usr / src / usr.bin / window / ttinit.c

diff --git a/usr/src/usr.bin/window/ttinit.c b/usr/src/usr.bin/window/ttinit.c
index 2b69444..d10fedc 100644 (file)
--- a/usr/src/usr.bin/window/ttinit.c
+++ b/usr/src/usr.bin/window/ttinit.c
@@ -1,19 +1,115 @@
+/*
+ * Copyright (c) 1983 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 are permitted provided
+ * that: (1) source distributions retain this entire copyright notice and
+ * comment, and (2) distributions including binaries display the following
+ * acknowledgement:  ``This product includes software developed by the
+ * University of California, Berkeley and its contributors'' in the
+ * documentation or other materials provided with the distribution and in
+ * all advertising materials mentioning features or use of this software.
+ * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+

 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)ttinit.c    3.1 83/08/09";
-#endif
+static char sccsid[] = "@(#)ttinit.c   3.26 (Berkeley) 6/6/90";
+#endif /* not lint */

 
 #include "ww.h"
 
 #include "ww.h"

+#include "tt.h"
+#ifdef POSIX_TTY
+#include <sys/ioctl.h>
+#endif
+
+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()
 {
 
 ttinit()
 {

+       int i;

        register struct tt_tab *tp;
        register struct tt_tab *tp;

+       register char *p, *q;
+       register char *t;
+       struct winsize winsize;
+       int ttflush();
+
+       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;
        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)
+       if (tp->tt_name == 0) {
+               wwerrno = WWE_BADTERM;

                return -1;
                return -1;

-       if ((*tp->tt_func)() < 0)
+       }
+       if ((*tp->tt_func)() < 0) {
+               wwerrno = WWE_CANTDO;

                return -1;
                return -1;

-       return (*tt.tt_init)();
+       }
+       if (ioctl(0, TIOCGWINSZ, (char *)&winsize) >= 0) {
+               if (winsize.ws_row != 0)
+                       tt.tt_nrow = winsize.ws_row;
+               if (winsize.ws_col != 0)
+                       tt.tt_ncol = winsize.ws_col;
+       }
+       tt.tt_scroll_top = 0;
+       tt.tt_scroll_bot = tt.tt_nrow - 1;
+       tt.tt_flush = ttflush;
+       return 0;

 }
 }