diff options
Diffstat (limited to 'lib/libarchive/archive_read_extract.c')
| -rw-r--r-- | lib/libarchive/archive_read_extract.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/lib/libarchive/archive_read_extract.c b/lib/libarchive/archive_read_extract.c deleted file mode 100644 index 5c69f59..0000000 --- a/lib/libarchive/archive_read_extract.c +++ /dev/null @@ -1,180 +0,0 @@ -/*- - * 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. - */ - -#include "archive_platform.h" -__FBSDID("$FreeBSD$"); - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif - -#include "archive.h" -#include "archive_entry.h" -#include "archive_private.h" -#include "archive_read_private.h" -#include "archive_write_disk_private.h" - -struct extract { - struct archive *ad; /* archive_write_disk object */ - - /* Progress function invoked during extract. */ - void (*extract_progress)(void *); - void *extract_progress_user_data; -}; - -static int archive_read_extract_cleanup(struct archive_read *); -static int copy_data(struct archive *ar, struct archive *aw); -static struct extract *get_extract(struct archive_read *); - -static struct extract * -get_extract(struct archive_read *a) -{ - /* If we haven't initialized, do it now. */ - /* This also sets up a lot of global state. */ - if (a->extract == NULL) { - a->extract = (struct extract *)malloc(sizeof(*a->extract)); - if (a->extract == NULL) { - archive_set_error(&a->archive, ENOMEM, "Can't extract"); - return (NULL); - } - memset(a->extract, 0, sizeof(*a->extract)); - a->extract->ad = archive_write_disk_new(); - if (a->extract->ad == NULL) { - archive_set_error(&a->archive, ENOMEM, "Can't extract"); - return (NULL); - } - archive_write_disk_set_standard_lookup(a->extract->ad); - a->cleanup_archive_extract = archive_read_extract_cleanup; - } - return (a->extract); -} - -int -archive_read_extract(struct archive *_a, struct archive_entry *entry, int flags) -{ - struct extract *extract; - - extract = get_extract((struct archive_read *)_a); - if (extract == NULL) - return (ARCHIVE_FATAL); - archive_write_disk_set_options(extract->ad, flags); - return (archive_read_extract2(_a, entry, extract->ad)); -} - -int -archive_read_extract2(struct archive *_a, struct archive_entry *entry, - struct archive *ad) -{ - struct archive_read *a = (struct archive_read *)_a; - int r, r2; - - /* Set up for this particular entry. */ - archive_write_disk_set_skip_file(ad, - a->skip_file_dev, a->skip_file_ino); - r = archive_write_header(ad, entry); - if (r < ARCHIVE_WARN) - r = ARCHIVE_WARN; - if (r != ARCHIVE_OK) - /* If _write_header failed, copy the error. */ - archive_copy_error(&a->archive, ad); - else if (!archive_entry_size_is_set(entry) || archive_entry_size(entry) > 0) - /* Otherwise, pour data into the entry. */ - r = copy_data(_a, ad); - r2 = archive_write_finish_entry(ad); - if (r2 < ARCHIVE_WARN) - r2 = ARCHIVE_WARN; - /* Use the first message. */ - if (r2 != ARCHIVE_OK && r == ARCHIVE_OK) - archive_copy_error(&a->archive, ad); - /* Use the worst error return. */ - if (r2 < r) - r = r2; - return (r); -} - -void -archive_read_extract_set_progress_callback(struct archive *_a, - void (*progress_func)(void *), void *user_data) -{ - struct archive_read *a = (struct archive_read *)_a; - struct extract *extract = get_extract(a); - if (extract != NULL) { - extract->extract_progress = progress_func; - extract->extract_progress_user_data = user_data; - } -} - -static int -copy_data(struct archive *ar, struct archive *aw) -{ - off_t offset; - const void *buff; - struct extract *extract; - size_t size; - int r; - - extract = get_extract((struct archive_read *)ar); - for (;;) { - r = archive_read_data_block(ar, &buff, &size, &offset); - if (r == ARCHIVE_EOF) - return (ARCHIVE_OK); - if (r != ARCHIVE_OK) - return (r); - r = archive_write_data_block(aw, buff, size, offset); - if (r < ARCHIVE_WARN) - r = ARCHIVE_WARN; - if (r != ARCHIVE_OK) { - archive_set_error(ar, archive_errno(aw), - "%s", archive_error_string(aw)); - return (r); - } - if (extract->extract_progress) - (extract->extract_progress) - (extract->extract_progress_user_data); - } -} - -/* - * Cleanup function for archive_extract. - */ -static int -archive_read_extract_cleanup(struct archive_read *a) -{ - int ret = ARCHIVE_OK; - - ret = archive_write_free(a->extract->ad); - free(a->extract); - a->extract = NULL; - return (ret); -} |
