usr.bin/window/tttermcap.c

   1 /*      @(#)tttermcap.c 8.1 (Berkeley) 6/6/93   */
   2 /*      $NetBSD: tttermcap.c,v 1.9 2009/04/14 08:50:06 lukem Exp $      */
   3
   4 /*
   5  * Copyright (c) 1983, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Edward Wang at The University of California, Berkeley.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <termcap.h>
  39 #include "tt.h"
  40
  41 int
  42 tttputc(int c)
  43 {
  44         ttputc(c);
  45         return (0);
  46 }
  47
  48 int
  49 ttxputc(int c)
  50 {
  51         *tt_strp++ = c;
  52         return (0);
  53 }
  54
  55 struct tt_str *
  56 tttgetstr(const char *str)
  57 {
  58         struct tt_str *s;
  59
  60         if ((str = tgetstr(str, &tt_strp)) == NULL)
  61                 return 0;
  62         if ((s = (struct tt_str *) malloc(sizeof *s)) == NULL)
  63                 return 0;
  64         s->ts_str = str;
  65         s->ts_n = tt_strp - s->ts_str - 1;
  66         return s;
  67 }
  68
  69 struct tt_str *
  70 ttxgetstr(const char *str)
  71 {
  72         struct tt_str *s;
  73         char buf[100];
  74         char *bufp = buf;
  75
  76         if (tgetstr(str, &bufp) == 0)
  77                 return 0;
  78         if ((s = (struct tt_str *) malloc(sizeof *s)) == NULL)
  79                 return 0;
  80         s->ts_str = tt_strp;
  81         tputs(buf, 1, ttxputc);
  82         s->ts_n = tt_strp - s->ts_str;
  83         *tt_strp++ = 0;
  84         return s;
  85 }
  86
  87 void
  88 tttgoto(struct tt_str *s, int col, int row)
  89 {
  90         const char *p = s->ts_str;
  91
  92         ttputs(tgoto(p, col, row));
  93         for (p += s->ts_n; *--p == 0;)
  94                 ttputc(0);
  95 }
  96
  97 void
  98 ttpgoto(struct tt_str *s, int col, int row, int n)
  99 {
 100
 101         tputs(tgoto(s->ts_str, col, row), n, tttputc);
 102 }
 103
 104 int
 105 ttstrcmp(struct tt_str *a, struct tt_str *b)
 106 {
 107         int n, r;
 108
 109         if ((r = memcmp(a->ts_str, b->ts_str,
 110                         (n = a->ts_n - b->ts_n) < 0 ? a->ts_n : b->ts_n)))
 111                 return r;
 112         return n;
 113 }