298 lines
8.1 KiB
C
298 lines
8.1 KiB
C
/* $NetBSD: pack_dev.c,v 1.8 2004/05/11 17:09:58 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Charles M. Hannum.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#if !defined(lint)
|
|
__RCSID("$NetBSD: pack_dev.c,v 1.8 2004/05/11 17:09:58 christos Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "pack_dev.h"
|
|
|
|
static pack_t pack_netbsd;
|
|
static pack_t pack_freebsd;
|
|
static pack_t pack_8_8;
|
|
static pack_t pack_12_20;
|
|
static pack_t pack_14_18;
|
|
static pack_t pack_8_24;
|
|
static pack_t pack_bsdos;
|
|
static int compare_format(const void *, const void *);
|
|
|
|
static const char iMajorError[] = "invalid major number";
|
|
static const char iMinorError[] = "invalid minor number";
|
|
static const char tooManyFields[] = "too many fields for format";
|
|
|
|
/* exported */
|
|
portdev_t
|
|
pack_native(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev(numbers[0], numbers[1]);
|
|
if (major(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
else if (minor(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
static portdev_t
|
|
pack_netbsd(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_netbsd(numbers[0], numbers[1]);
|
|
if (major_netbsd(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
else if (minor_netbsd(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
|
|
#define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
|
|
#define makedev_freebsd(x,y) ((portdev_t)((((x) << 8) & 0x0000ff00) | \
|
|
(((y) << 0) & 0xffff00ff)))
|
|
|
|
static portdev_t
|
|
pack_freebsd(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_freebsd(numbers[0], numbers[1]);
|
|
if (major_freebsd(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_freebsd(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
|
|
#define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
|
|
#define makedev_8_8(x,y) ((portdev_t)((((x) << 8) & 0x0000ff00) | \
|
|
(((y) << 0) & 0x000000ff)))
|
|
|
|
static portdev_t
|
|
pack_8_8(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_8_8(numbers[0], numbers[1]);
|
|
if (major_8_8(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_8_8(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
|
|
#define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
|
|
#define makedev_12_20(x,y) ((portdev_t)((((x) << 20) & 0xfff00000) | \
|
|
(((y) << 0) & 0x000fffff)))
|
|
|
|
static portdev_t
|
|
pack_12_20(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_12_20(numbers[0], numbers[1]);
|
|
if (major_12_20(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_12_20(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
|
|
#define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
|
|
#define makedev_14_18(x,y) ((portdev_t)((((x) << 18) & 0xfffc0000) | \
|
|
(((y) << 0) & 0x0003ffff)))
|
|
|
|
static portdev_t
|
|
pack_14_18(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_14_18(numbers[0], numbers[1]);
|
|
if (major_14_18(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_14_18(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
|
|
#define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
|
|
#define makedev_8_24(x,y) ((portdev_t)((((x) << 24) & 0xff000000) | \
|
|
(((y) << 0) & 0x00ffffff)))
|
|
|
|
static portdev_t
|
|
pack_8_24(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_8_24(numbers[0], numbers[1]);
|
|
if (major_8_24(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_8_24(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
#define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
|
|
#define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
|
|
#define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
|
|
#define makedev_12_12_8(x,y,z) ((portdev_t)((((x) << 20) & 0xfff00000) | \
|
|
(((y) << 8) & 0x000fff00) | \
|
|
(((z) << 0) & 0x000000ff)))
|
|
|
|
static portdev_t
|
|
pack_bsdos(int n, u_long numbers[], const char **error)
|
|
{
|
|
portdev_t dev = 0;
|
|
|
|
if (n == 2) {
|
|
dev = makedev_12_20(numbers[0], numbers[1]);
|
|
if (major_12_20(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (minor_12_20(dev) != numbers[1])
|
|
*error = iMinorError;
|
|
} else if (n == 3) {
|
|
dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
|
|
if (major_12_12_8(dev) != numbers[0])
|
|
*error = iMajorError;
|
|
if (unit_12_12_8(dev) != numbers[1])
|
|
*error = "invalid unit number";
|
|
if (subunit_12_12_8(dev) != numbers[2])
|
|
*error = "invalid subunit number";
|
|
} else
|
|
*error = tooManyFields;
|
|
return (dev);
|
|
}
|
|
|
|
|
|
/* list of formats and pack functions */
|
|
/* this list must be sorted lexically */
|
|
struct format {
|
|
const char *name;
|
|
pack_t *pack;
|
|
} formats[] = {
|
|
{"386bsd", pack_8_8},
|
|
{"4bsd", pack_8_8},
|
|
{"bsdos", pack_bsdos},
|
|
{"freebsd", pack_freebsd},
|
|
{"hpux", pack_8_24},
|
|
{"isc", pack_8_8},
|
|
{"linux", pack_8_8},
|
|
{"native", pack_native},
|
|
{"netbsd", pack_netbsd},
|
|
{"osf1", pack_12_20},
|
|
{"sco", pack_8_8},
|
|
{"solaris", pack_14_18},
|
|
{"sunos", pack_8_8},
|
|
{"svr3", pack_8_8},
|
|
{"svr4", pack_14_18},
|
|
{"ultrix", pack_8_8},
|
|
};
|
|
|
|
static int
|
|
compare_format(const void *key, const void *element)
|
|
{
|
|
const char *name;
|
|
const struct format *format;
|
|
|
|
name = key;
|
|
format = element;
|
|
|
|
return (strcmp(name, format->name));
|
|
}
|
|
|
|
|
|
pack_t *
|
|
pack_find(const char *name)
|
|
{
|
|
struct format *format;
|
|
|
|
format = bsearch(name, formats,
|
|
sizeof(formats)/sizeof(formats[0]),
|
|
sizeof(formats[0]), compare_format);
|
|
if (format == 0)
|
|
return (NULL);
|
|
return (format->pack);
|
|
}
|