1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)escseq.c	5.1 (Berkeley) 4/30/85";
   9: #endif not lint
  10: 
  11: /*
  12:  * escseq: get us out of any escape sequence we are in the middle of
  13:  * and put us into the requested kind of escape sequence.
  14:  */
  15: 
  16: #include "2648.h"
  17: 
  18: escseq(mode)
  19: int mode;
  20: {
  21:     if (mode == _escmode)
  22:         return;
  23:     /* Get out of previous mode */
  24:     switch (_escmode) {
  25:     case NONE:
  26:         break;
  27:     case ESCD:
  28:         if (mode == TEXT) {
  29:             outchar('s');
  30:             _escmode = mode;
  31:             return;
  32:         }
  33:     case ESCP:
  34:     case ESCM:
  35:         outchar('Z');   /* no-op */
  36:         break;
  37:     case TEXT:
  38:         outstr("\33*dT");
  39:         break;
  40:     }
  41:     /* Get into new mode */
  42:     switch (_escmode = mode) {
  43:     case NONE:
  44:         break;
  45:     case ESCD:
  46:         outstr("\33*d");
  47:         break;
  48:     case ESCP:
  49:         outstr("\33*p");
  50:         break;
  51:     case ESCM:
  52:         outstr("\33*m");
  53:         break;
  54:     case TEXT:
  55:         outstr("\33*dS");
  56:         break;
  57:     }
  58: }
Last modified: 1985-04-30
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