added "more" command

[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 d492450..57e7b99 100644 (file)
--- a/usr/src/usr.bin/window/ttinit.c
+++ b/usr/src/usr.bin/window/ttinit.c
@@ -1,15 +1,44 @@
 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)ttinit.c    3.5 83/08/15";
+static char sccsid[] = "@(#)ttinit.c   3.14 %G%";

 #endif
 
 #endif
 

+/*
+ * Copyright (c) 1983 Regents of the University of California,
+ * All rights reserved.  Redistribution permitted subject to
+ * the terms of the Berkeley Software License Agreement.
+ */
+

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

+int tt_h19();
+int tt_h29();
+int tt_f100();
+int tt_tvi925();
+int tt_generic();
+struct tt_tab tt_tab[] = {
+       { "h19",        3, tt_h19 },
+       { "h29",        3, tt_h29 },
+       { "f100",       4, tt_f100 },
+       { "tvi925",     6, tt_tvi925 },
+       { "generic",    0, tt_generic },
+       0
+};
+

 ttinit()
 {
        register struct tt_tab *tp;
        register char *p, *q;
        register char *t;
 ttinit()
 {
        register struct tt_tab *tp;
        register char *p, *q;
        register char *t;

+       struct winsize winsize;
+
+       tt_strp = tt_strings;
+
+       /*
+        * Set output buffer size to about 1 second of output time.
+        */
+       tt_obp = tt_ob;
+       tt_obe = tt_ob + MIN(wwbaud/10, sizeof tt_ob);

 
        /*
         * Use the standard name of the terminal (i.e. the second
 
        /*
         * Use the standard name of the terminal (i.e. the second


@@ -30,7 +59,18 @@ ttinit()
        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;
+       }
+       if ((*tp->tt_func)() < 0) {
+               wwerrno = WWE_CANTDO;

                return -1;
                return -1;

-       return (*tp->tt_func)();
+       }
+       if (ioctl(0, (int)TIOCGWINSZ, (char *)&winsize) >= 0 &&
+           winsize.ws_row != 0 && winsize.ws_col != 0) {
+               tt.tt_nrow = winsize.ws_row;
+               tt.tt_ncol = winsize.ws_col;
+       }
+       return 0;

 }
 }