1/*	$NetBSD: util.c,v 1.3 2003/07/17 08:33:44 lukem Exp $	*/
2
3/*
4 * Copyright 1997 Piermont Information Systems Inc.
5 * All rights reserved.
6 *
7 * Written by Philip A. Nelson for Piermont Information Systems Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software develooped for the NetBSD Project by
20 *      Piermont Information Systems Inc.
21 * 4. The name of Piermont Information Systems Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35 * THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 */
38
39/* util.c - utility routines. */
40
41#if HAVE_NBTOOL_CONFIG_H
42#include "nbtool_config.h"
43#endif
44
45#include <sys/cdefs.h>
46
47#if defined(__RCSID) && !defined(lint)
48__RCSID("$NetBSD: util.c,v 1.3 2003/07/17 08:33:44 lukem Exp $");
49#endif
50
51
52#include <stdio.h>
53#include <stdlib.h>
54#include <string.h>
55#include <stdarg.h>
56#include "defs.h"
57
58/* Error routine */
59void
60yyerror(const char *fmt, ...)
61{
62	va_list args;
63
64	va_start (args, fmt);
65	printf ("%s:%d: ", src_name, line_no);
66	vfprintf (stdout, fmt, args);
67	printf ("\n");
68	va_end (args);
69	had_errors = TRUE;
70}
71
72
73/* Buffer routines */
74static char *mc_buff = NULL;
75static int mc_size = 0;
76static int mc_loc = 0;
77
78void buff_add_ch (char ch)
79{
80	char *t;
81
82	if (mc_loc >= mc_size-1) {
83		if (mc_size == 0)
84			mc_size = 80;
85		else
86			mc_size *= 2;
87		t = (char *) malloc (mc_size);
88		if (t == NULL) {
89			(void) fprintf (stderr, "%s:%d: Malloc error\n",
90					 src_name, line_no);
91			exit (1);
92		}
93		if (mc_buff != NULL) {
94			strcpy (t, mc_buff);
95			free (mc_buff);
96		}
97		mc_buff = t;
98	}
99	mc_buff[mc_loc++] = ch;
100	mc_buff[mc_loc] = '\0';
101}
102
103/* get a copy of the string ! */
104
105char *
106buff_copy (void)
107{
108	char *res = strdup (mc_buff);
109	mc_loc = 0;
110	mc_buff[0] = '\0';
111	return  res;
112}
113