1 /* escseq.c 4.1 83/03/09 */ 2 /* 3 * escseq: get us out of any escape sequence we are in the middle of 4 * and put us into the requested kind of escape sequence. 5 */ 6 7 #include "2648.h" 8 9 escseq(mode) 10 int mode; 11 { 12 if (mode == _escmode) 13 return; 14 /* Get out of previous mode */ 15 switch (_escmode) { 16 case NONE: 17 break; 18 case ESCD: 19 if (mode == TEXT) { 20 outchar('s'); 21 _escmode = mode; 22 return; 23 } 24 case ESCP: 25 case ESCM: 26 outchar('Z'); /* no-op */ 27 break; 28 case TEXT: 29 outstr("\33*dT"); 30 break; 31 } 32 /* Get into new mode */ 33 switch (_escmode = mode) { 34 case NONE: 35 break; 36 case ESCD: 37 outstr("\33*d"); 38 break; 39 case ESCP: 40 outstr("\33*p"); 41 break; 42 case ESCM: 43 outstr("\33*m"); 44 break; 45 case TEXT: 46 outstr("\33*dS"); 47 break; 48 } 49 } 50