libarchive/archive_pack_dev.c - third_party/libarchive - Git at Google

 /*	$NetBSD: pack_dev.c,v 1.12 2013/06/14 16:28:20 tsutsui 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.
  *
  * 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.
  */

 /* Originally from NetBSD's mknod(8) source. */

 #include "archive_platform.h"

 #if HAVE_SYS_CDEFS_H
 #include <sys/cdefs.h>
 #endif
 #if !defined(lint)
 __RCSID("$NetBSD$");
 #endif /* not lint */

 #ifdef HAVE_LIMITS_H
 #include <limits.h>
 #endif

 #include <stdio.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif

 #include "archive_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";

 /* This is blatantly stolen from libarchive/archive_entry.c,
  * in an attempt to get this to play nice on MinGW... */
 #if !defined(HAVE_MAJOR) && !defined(major)
 /* Replacement for major/minor/makedev. */
 #define major(x) ((int)(0x00ff & ((x) >> 8)))
 #define minor(x) ((int)(0xffff00ff & (x)))
 #define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min)))
 #endif

 /* Play games to come up with a suitable makedev() definition. */
 #ifdef __QNXNTO__
 /* QNX.  <sigh> */
 #include <sys/netmgr.h>
 #define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
 #elif defined makedev
 /* There's a "makedev" macro. */
 #define apd_makedev(maj, min) makedev((maj), (min))
 #elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__))
 /* Windows. <sigh> */
 #define apd_makedev(maj, min) mkdev((maj), (min))
 #else
 /* There's a "makedev" function. */
 #define apd_makedev(maj, min) makedev((maj), (min))
 #endif

 /* exported */
 dev_t
 pack_native(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = apd_makedev(numbers[0], numbers[1]);
 		if ((unsigned long)major(dev) != numbers[0])
 			*error = iMajorError;
 		else if ((unsigned long)minor(dev) != numbers[1])
 			*error = iMinorError;
 	} else
 		*error = tooManyFields;
 	return (dev);
 }


 static dev_t
 pack_netbsd(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_netbsd(numbers[0], numbers[1]);
 		if ((unsigned long)major_netbsd(dev) != numbers[0])
 			*error = iMajorError;
 		else if ((unsigned long)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)	((dev_t)((((x) << 8) & 0x0000ff00) | \
 					 (((y) << 0) & 0xffff00ff)))

 static dev_t
 pack_freebsd(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_freebsd(numbers[0], numbers[1]);
 		if ((unsigned long)major_freebsd(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)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)	((dev_t)((((x) << 8) & 0x0000ff00) | \
 					 (((y) << 0) & 0x000000ff)))

 static dev_t
 pack_8_8(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_8_8(numbers[0], numbers[1]);
 		if ((unsigned long)major_8_8(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)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)	((dev_t)((((x) << 20) & 0xfff00000) | \
 					 (((y) <<  0) & 0x000fffff)))

 static dev_t
 pack_12_20(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_12_20(numbers[0], numbers[1]);
 		if ((unsigned long)major_12_20(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)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)	((dev_t)((((x) << 18) & 0xfffc0000) | \
 					 (((y) <<  0) & 0x0003ffff)))

 static dev_t
 pack_14_18(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_14_18(numbers[0], numbers[1]);
 		if ((unsigned long)major_14_18(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)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)	((dev_t)((((x) << 24) & 0xff000000) | \
 					 (((y) <<  0) & 0x00ffffff)))

 static dev_t
 pack_8_24(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_8_24(numbers[0], numbers[1]);
 		if ((unsigned long)major_8_24(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)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)	((dev_t)((((x) << 20) & 0xfff00000) | \
 					 (((y) <<  8) & 0x000fff00) | \
 					 (((z) <<  0) & 0x000000ff)))

 static dev_t
 pack_bsdos(int n, unsigned long numbers[], const char **error)
 {
 	dev_t dev = 0;

 	if (n == 2) {
 		dev = makedev_12_20(numbers[0], numbers[1]);
 		if ((unsigned long)major_12_20(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)minor_12_20(dev) != numbers[1])
 			*error = iMinorError;
 	} else if (n == 3) {
 		dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
 		if ((unsigned long)major_12_12_8(dev) != numbers[0])
 			*error = iMajorError;
 		if ((unsigned long)unit_12_12_8(dev) != numbers[1])
 			*error = "invalid unit number";
 		if ((unsigned long)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 */
 static 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);
 }
	/* $NetBSD: pack_dev.c,v 1.12 2013/06/14 16:28:20 tsutsui 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.
	*
	* 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.
	*/

	/* Originally from NetBSD's mknod(8) source. */

	#include "archive_platform.h"

	#if HAVE_SYS_CDEFS_H
	#include <sys/cdefs.h>
	#endif
	#if !defined(lint)
	__RCSID("$NetBSD$");
	#endif /* not lint */

	#ifdef HAVE_LIMITS_H
	#include <limits.h>
	#endif

	#include <stdio.h>
	#ifdef HAVE_STDLIB_H
	#include <stdlib.h>
	#endif
	#ifdef HAVE_STRING_H
	#include <string.h>
	#endif
	#ifdef HAVE_SYS_TYPES_H
	#include <sys/types.h>
	#endif
	#ifdef HAVE_SYS_STAT_H
	#include <sys/stat.h>
	#endif
	#ifdef HAVE_UNISTD_H
	#include <unistd.h>
	#endif

	#include "archive_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";

	/* This is blatantly stolen from libarchive/archive_entry.c,
	* in an attempt to get this to play nice on MinGW... */
	#if !defined(HAVE_MAJOR) && !defined(major)
	/* Replacement for major/minor/makedev. */
	#define major(x) ((int)(0x00ff & ((x) >> 8)))
	#define minor(x) ((int)(0xffff00ff & (x)))
	#define makedev(maj,min) ((0xff00 & ((maj)<<8)) \| (0xffff00ff & (min)))
	#endif

	/* Play games to come up with a suitable makedev() definition. */
	#ifdef __QNXNTO__
	/* QNX. <sigh> */
	#include <sys/netmgr.h>
	#define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
	#elif defined makedev
	/* There's a "makedev" macro. */
	#define apd_makedev(maj, min) makedev((maj), (min))
	#elif defined mkdev \|\| ((defined _WIN32 \|\| defined __WIN32__) && !defined(__CYGWIN__))
	/* Windows. <sigh> */
	#define apd_makedev(maj, min) mkdev((maj), (min))
	#else
	/* There's a "makedev" function. */
	#define apd_makedev(maj, min) makedev((maj), (min))
	#endif

	/* exported */
	dev_t
	pack_native(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = apd_makedev(numbers[0], numbers[1]);
	if ((unsigned long)major(dev) != numbers[0])
	*error = iMajorError;
	else if ((unsigned long)minor(dev) != numbers[1])
	*error = iMinorError;
	} else
	*error = tooManyFields;
	return (dev);
	}


	static dev_t
	pack_netbsd(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_netbsd(numbers[0], numbers[1]);
	if ((unsigned long)major_netbsd(dev) != numbers[0])
	*error = iMajorError;
	else if ((unsigned long)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) ((dev_t)((((x) << 8) & 0x0000ff00) \| \
	(((y) << 0) & 0xffff00ff)))

	static dev_t
	pack_freebsd(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_freebsd(numbers[0], numbers[1]);
	if ((unsigned long)major_freebsd(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)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) ((dev_t)((((x) << 8) & 0x0000ff00) \| \
	(((y) << 0) & 0x000000ff)))

	static dev_t
	pack_8_8(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_8_8(numbers[0], numbers[1]);
	if ((unsigned long)major_8_8(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)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) ((dev_t)((((x) << 20) & 0xfff00000) \| \
	(((y) << 0) & 0x000fffff)))

	static dev_t
	pack_12_20(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_12_20(numbers[0], numbers[1]);
	if ((unsigned long)major_12_20(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)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) ((dev_t)((((x) << 18) & 0xfffc0000) \| \
	(((y) << 0) & 0x0003ffff)))

	static dev_t
	pack_14_18(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_14_18(numbers[0], numbers[1]);
	if ((unsigned long)major_14_18(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)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) ((dev_t)((((x) << 24) & 0xff000000) \| \
	(((y) << 0) & 0x00ffffff)))

	static dev_t
	pack_8_24(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_8_24(numbers[0], numbers[1]);
	if ((unsigned long)major_8_24(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)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) ((dev_t)((((x) << 20) & 0xfff00000) \| \
	(((y) << 8) & 0x000fff00) \| \
	(((z) << 0) & 0x000000ff)))

	static dev_t
	pack_bsdos(int n, unsigned long numbers[], const char **error)
	{
	dev_t dev = 0;

	if (n == 2) {
	dev = makedev_12_20(numbers[0], numbers[1]);
	if ((unsigned long)major_12_20(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)minor_12_20(dev) != numbers[1])
	*error = iMinorError;
	} else if (n == 3) {
	dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
	if ((unsigned long)major_12_12_8(dev) != numbers[0])
	*error = iMajorError;
	if ((unsigned long)unit_12_12_8(dev) != numbers[1])
	*error = "invalid unit number";
	if ((unsigned long)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 */
	static 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);
	}