diff options
Diffstat (limited to 'src/libs/3rdparty/libarchive/archive_pack_dev.c')
| -rw-r--r-- | src/libs/3rdparty/libarchive/archive_pack_dev.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/libs/3rdparty/libarchive/archive_pack_dev.c b/src/libs/3rdparty/libarchive/archive_pack_dev.c new file mode 100644 index 000000000..d95444d97 --- /dev/null +++ b/src/libs/3rdparty/libarchive/archive_pack_dev.c @@ -0,0 +1,337 @@ +/* $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 +#if MAJOR_IN_MKDEV +#include <sys/mkdev.h> +#define HAVE_MAJOR +#elif MAJOR_IN_SYSMACROS +#include <sys/sysmacros.h> +#define HAVE_MAJOR +#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 __LA_LIBC_CC 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 const 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 +__LA_LIBC_CC +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); +} |