4.3BSD - /usr/src/ucb/window/ttinit.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)ttinit.c	3.14 4/24/85";
   3: #endif
   4: 
   5: /*
   6:  * Copyright (c) 1983 Regents of the University of California,
   7:  * All rights reserved.  Redistribution permitted subject to
   8:  * the terms of the Berkeley Software License Agreement.
   9:  */
  10: 
  11: #include "ww.h"
  12: #include "tt.h"
  13: 
  14: int tt_h19();
  15: int tt_h29();
  16: int tt_f100();
  17: int tt_tvi925();
  18: int tt_generic();
  19: struct tt_tab tt_tab[] = {
  20:     { "h19",    3, tt_h19 },
  21:     { "h29",    3, tt_h29 },
  22:     { "f100",   4, tt_f100 },
  23:     { "tvi925", 6, tt_tvi925 },
  24:     { "generic",    0, tt_generic },
  25:     0
  26: };
  27: 
  28: ttinit()
  29: {
  30:     register struct tt_tab *tp;
  31:     register char *p, *q;
  32:     register char *t;
  33:     struct winsize winsize;
  34: 
  35:     tt_strp = tt_strings;
  36: 
  37:     /*
  38: 	 * Set output buffer size to about 1 second of output time.
  39: 	 */
  40:     tt_obp = tt_ob;
  41:     tt_obe = tt_ob + MIN(wwbaud/10, sizeof tt_ob);
  42: 
  43:     /*
  44: 	 * Use the standard name of the terminal (i.e. the second
  45: 	 * name in termcap).
  46: 	 */
  47:     for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++)
  48:         ;
  49:     if (*p == '|')
  50:         p++;
  51:     for (q = p; *q && *q != '|' && *q != ':'; q++)
  52:         ;
  53:     if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) {
  54:         wwterm = t;
  55:         while (p < q)
  56:             *t++ = *p++;
  57:         *t = 0;
  58:     }
  59:     for (tp = tt_tab; tp->tt_name != 0; tp++)
  60:         if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0)
  61:             break;
  62:     if (tp->tt_name == 0) {
  63:         wwerrno = WWE_BADTERM;
  64:         return -1;
  65:     }
  66:     if ((*tp->tt_func)() < 0) {
  67:         wwerrno = WWE_CANTDO;
  68:         return -1;
  69:     }
  70:     if (ioctl(0, (int)TIOCGWINSZ, (char *)&winsize) >= 0 &&
  71:         winsize.ws_row != 0 && winsize.ws_col != 0) {
  72:         tt.tt_nrow = winsize.ws_row;
  73:         tt.tt_ncol = winsize.ws_col;
  74:     }
  75:     return 0;
  76: }

Defined functions

Defined variables