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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_entry_private.h')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_entry_private.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_entry_private.h b/Utilities/cmlibarchive/libarchive/archive_entry_private.h new file mode 100644 index 000000000..e3547c3e3 --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/archive_entry_private.h @@ -0,0 +1,176 @@ +/*- + * Copyright (c) 2003-2007 Tim Kientzle + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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. + * + * $FreeBSD: head/lib/libarchive/archive_entry_private.h 201096 2009-12-28 02:41:27Z kientzle $ + */ + +#ifndef __LIBARCHIVE_BUILD +#error This header is only to be used internally to libarchive. +#endif + +#ifndef ARCHIVE_ENTRY_PRIVATE_H_INCLUDED +#define ARCHIVE_ENTRY_PRIVATE_H_INCLUDED + +#include "archive_acl_private.h" +#include "archive_string.h" + +struct ae_xattr { + struct ae_xattr *next; + + char *name; + void *value; + size_t size; +}; + +struct ae_sparse { + struct ae_sparse *next; + + int64_t offset; + int64_t length; +}; + +/* + * Description of an archive entry. + * + * Basically, this is a "struct stat" with a few text fields added in. + * + * TODO: Add "comment", "charset", and possibly other entries + * that are supported by "pax interchange" format. However, GNU, ustar, + * cpio, and other variants don't support these features, so they're not an + * excruciatingly high priority right now. + * + * TODO: "pax interchange" format allows essentially arbitrary + * key/value attributes to be attached to any entry. Supporting + * such extensions may make this library useful for special + * applications (e.g., a package manager could attach special + * package-management attributes to each entry). There are tricky + * API issues involved, so this is not going to happen until + * there's a real demand for it. + * + * TODO: Design a good API for handling sparse files. + */ +struct archive_entry { + struct archive *archive; + + /* + * Note that ae_stat.st_mode & AE_IFMT can be 0! + * + * This occurs when the actual file type of the object is not + * in the archive. For example, 'tar' archives store + * hardlinks without marking the type of the underlying + * object. + */ + + /* + * We have a "struct aest" for holding file metadata rather than just + * a "struct stat" because on some platforms the "struct stat" has + * fields which are too narrow to hold the range of possible values; + * we don't want to lose information if we read an archive and write + * out another (e.g., in "tar -cf new.tar @old.tar"). + * + * The "stat" pointer points to some form of platform-specific struct + * stat; it is declared as a void * rather than a struct stat * as + * some platforms have multiple varieties of stat structures. + */ + void *stat; + int stat_valid; /* Set to 0 whenever a field in aest changes. */ + + struct aest { + int64_t aest_atime; + uint32_t aest_atime_nsec; + int64_t aest_ctime; + uint32_t aest_ctime_nsec; + int64_t aest_mtime; + uint32_t aest_mtime_nsec; + int64_t aest_birthtime; + uint32_t aest_birthtime_nsec; + int64_t aest_gid; + int64_t aest_ino; + uint32_t aest_nlink; + uint64_t aest_size; + int64_t aest_uid; + /* + * Because converting between device codes and + * major/minor values is platform-specific and + * inherently a bit risky, we only do that conversion + * lazily. That way, we will do a better job of + * preserving information in those cases where no + * conversion is actually required. + */ + int aest_dev_is_broken_down; + dev_t aest_dev; + dev_t aest_devmajor; + dev_t aest_devminor; + int aest_rdev_is_broken_down; + dev_t aest_rdev; + dev_t aest_rdevmajor; + dev_t aest_rdevminor; + } ae_stat; + + int ae_set; /* bitmap of fields that are currently set */ +#define AE_SET_HARDLINK 1 +#define AE_SET_SYMLINK 2 +#define AE_SET_ATIME 4 +#define AE_SET_CTIME 8 +#define AE_SET_MTIME 16 +#define AE_SET_BIRTHTIME 32 +#define AE_SET_SIZE 64 +#define AE_SET_INO 128 +#define AE_SET_DEV 256 + + /* + * Use aes here so that we get transparent mbs<->wcs conversions. + */ + struct archive_mstring ae_fflags_text; /* Text fflags per fflagstostr(3) */ + unsigned long ae_fflags_set; /* Bitmap fflags */ + unsigned long ae_fflags_clear; + struct archive_mstring ae_gname; /* Name of owning group */ + struct archive_mstring ae_hardlink; /* Name of target for hardlink */ + struct archive_mstring ae_pathname; /* Name of entry */ + struct archive_mstring ae_symlink; /* symlink contents */ + struct archive_mstring ae_uname; /* Name of owner */ + + /* Not used within libarchive; useful for some clients. */ + struct archive_mstring ae_sourcepath; /* Path this entry is sourced from. */ + + void *mac_metadata; + size_t mac_metadata_size; + + /* ACL support. */ + struct archive_acl acl; + + /* extattr support. */ + struct ae_xattr *xattr_head; + struct ae_xattr *xattr_p; + + /* sparse support. */ + struct ae_sparse *sparse_head; + struct ae_sparse *sparse_tail; + struct ae_sparse *sparse_p; + + /* Miscellaneous. */ + char strmode[12]; +}; + +#endif /* ARCHIVE_ENTRY_PRIVATE_H_INCLUDED */ |