159 lines
3.9 KiB
C
159 lines
3.9 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "archive_platform.h"
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__FBSDID("$FreeBSD: head/lib/libarchive/archive_entry_xattr.c 201096 2009-12-28 02:41:27Z kientzle $");
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifdef HAVE_LINUX_FS_H
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#include <linux/fs.h> /* for Linux file flags */
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#endif
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/*
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* Some Linux distributions have both linux/ext2_fs.h and ext2fs/ext2_fs.h.
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* As the include guards don't agree, the order of include is important.
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*/
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#ifdef HAVE_LINUX_EXT2_FS_H
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#include <linux/ext2_fs.h> /* for Linux file flags */
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#endif
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#if defined(HAVE_EXT2FS_EXT2_FS_H) && !defined(__CYGWIN__)
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#include <ext2fs/ext2_fs.h> /* for Linux file flags */
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#endif
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#include <stddef.h>
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#include <stdio.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_WCHAR_H
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#include <wchar.h>
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#endif
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#include "archive.h"
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#include "archive_entry.h"
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#include "archive_private.h"
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#include "archive_entry_private.h"
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/*
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* extended attribute handling
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*/
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void
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archive_entry_xattr_clear(struct archive_entry *entry)
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{
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struct ae_xattr *xp;
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while (entry->xattr_head != NULL) {
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xp = entry->xattr_head->next;
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free(entry->xattr_head->name);
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free(entry->xattr_head->value);
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free(entry->xattr_head);
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entry->xattr_head = xp;
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}
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entry->xattr_head = NULL;
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}
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void
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archive_entry_xattr_add_entry(struct archive_entry *entry,
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const char *name, const void *value, size_t size)
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{
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struct ae_xattr *xp;
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for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
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;
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if ((xp = (struct ae_xattr *)malloc(sizeof(struct ae_xattr))) == NULL)
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/* XXX Error XXX */
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return;
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xp->name = strdup(name);
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if ((xp->value = malloc(size)) != NULL) {
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memcpy(xp->value, value, size);
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xp->size = size;
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} else
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xp->size = 0;
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xp->next = entry->xattr_head;
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entry->xattr_head = xp;
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}
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/*
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* returns number of the extended attribute entries
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*/
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int
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archive_entry_xattr_count(struct archive_entry *entry)
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{
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struct ae_xattr *xp;
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int count = 0;
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for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
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count++;
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return count;
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}
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int
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archive_entry_xattr_reset(struct archive_entry * entry)
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{
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entry->xattr_p = entry->xattr_head;
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return archive_entry_xattr_count(entry);
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}
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int
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archive_entry_xattr_next(struct archive_entry * entry,
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const char **name, const void **value, size_t *size)
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{
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if (entry->xattr_p) {
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*name = entry->xattr_p->name;
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*value = entry->xattr_p->value;
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*size = entry->xattr_p->size;
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entry->xattr_p = entry->xattr_p->next;
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return (ARCHIVE_OK);
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} else {
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*name = NULL;
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*value = NULL;
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*size = (size_t)0;
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return (ARCHIVE_WARN);
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}
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}
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/*
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* end of xattr handling
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*/
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