handle xn, check for UL == SO, ttstrcmp() added

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

#ifndef lint
static char sccsid[] = "@(#)tttermcap.c 3.7 %G%";
#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 "tt.h"

char *tgetstr();
char *tgoto();
char *malloc();

tttputc(c)
{
       ttputc(c);
}

ttxputc(c)
{
       *tt_strp++ = c;
}

struct tt_str *
tttgetstr(str)
       char *str;
{
       register struct tt_str *s;

       if ((str = tgetstr(str, &tt_strp)) == 0)
               return 0;
       if ((s = (struct tt_str *) malloc(sizeof *s)) == 0)
               return 0;
       s->ts_str = str;
       s->ts_n = tt_strp - s->ts_str - 1;
       return s;
}

struct tt_str *
ttxgetstr(str)
       char *str;
{
       register struct tt_str *s;
       char buf[100];
       char *bufp = buf;

       if (tgetstr(str, &bufp) == 0)
               return 0;
       if ((s = (struct tt_str *) malloc(sizeof *s)) == 0)
               return 0;
       s->ts_str = tt_strp;
       tputs(buf, 1, ttxputc);
       s->ts_n = tt_strp - s->ts_str;
       *tt_strp++ = 0;
       return s;
}

tttgoto(s, col, row)
       struct tt_str *s;
{
       register char *p = s->ts_str;

       ttputs(tgoto(p, col, row));
       for (p += s->ts_n; *--p == 0;)
               ttputc(0);
}

ttstrcmp(a, b)
       register struct tt_str *a, *b;
{
       int n, r;

       if (r = bcmp(a->ts_str, b->ts_str,
                       (n = a->ts_n - b->ts_n) < 0 ? a->ts_n : b->ts_n))
               return r;
       return n;
}