/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#define	EXPORT_BOOLEAN
#include <mach/boolean.h>
#include <sys/types.h>
#include <stdlib.h>
#include <error.h>
#include <string.h>
#ifdef	__386BSD__
 /* for str<foo> */
#include </usr/include/string.h>
#endif

string_t
strmake(const char *string)
{
    register string_t saved;

    saved = malloc(strlen(string) + 1);
    if (saved == strNULL)
	fatal("strmake('%s'): %s", string, unix_error_string(errno));
    return strcpy(saved, string);
}

string_t
strconcat(const_string_t left, const_string_t right)
{
    register string_t saved;

    saved = malloc(strlen(left) + strlen(right) + 1);
    if (saved == strNULL)
	fatal("strconcat('%s', '%s'): %s",
	      left, right, unix_error_string(errno));
    return strcat(strcpy(saved, left), right);
}

void
strfree(string_t string)
{
    free(string);
}

const char *
strbool(boolean_t bool)
{
    if (bool)
	return "TRUE";
    else
	return "FALSE";
}

const char *
strstring(const_string_t string)
{
    if (string == strNULL)
	return "NULL";
    else
	return string;
}