xref: /freebsd-11.0-release/crypto/heimdal/lib/roken/parse_bytes.c

/*
 * Copyright (c) 1999 Kungliga Tekniska H�gskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id: parse_bytes.c,v 1.2 1999/12/02 16:58:51 joda Exp $");
#endif

#include <parse_units.h>
#include "parse_bytes.h"

static units bytes_units[] = {
    { "gigabyte", 1024 * 1024 * 1024 },
    { "gbyte", 1024 * 1024 * 1024 },
    { "GB", 1024 * 1024 * 1024 },
    { "megabyte", 1024 * 1024 },
    { "mbyte", 1024 * 1024 },
    { "MB", 1024 * 1024 },
    { "kilobyte", 1024 },
    { "KB", 1024 },
    { "byte", 1 },
    { NULL, 0 }
};

static units bytes_short_units[] = {
    { "GB", 1024 * 1024 * 1024 },
    { "MB", 1024 * 1024 },
    { "KB", 1024 },
    { NULL, 0 }
};

int
parse_bytes (const char *s, const char *def_unit)
{
    return parse_units (s, bytes_units, def_unit);
}

size_t
unparse_bytes (int t, char *s, size_t len)
{
    return unparse_units (t, bytes_units, s, len);
}

size_t
unparse_bytes_short (int t, char *s, size_t len)
{
    return unparse_units_approx (t, bytes_short_units, s, len);
}