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-rw-r--r--Utilities/cmlibarchive/libarchive/archive_read_extract.c134
1 files changed, 14 insertions, 120 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_extract.c b/Utilities/cmlibarchive/libarchive/archive_read_extract.c
index 795f2ab..ce76a6c 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_extract.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_extract.c
@@ -26,146 +26,40 @@
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26 17:00:22 kientzle Exp $");
-#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;
+ struct archive_read_extract *extract;
+ struct archive_read * a = (struct archive_read *)_a;
- extract = get_extract((struct archive_read *)_a);
+ extract = __archive_read_get_extract(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. */
- if (a->skip_file_set)
- 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)
-{
- int64_t offset;
- const void *buff;
- struct extract *extract;
- size_t size;
- int r;
-
- extract = get_extract((struct archive_read *)ar);
- if (extract == NULL)
- return (ARCHIVE_FATAL);
- for (;;) {
- r = archive_read_data_block(ar, &buff, &size, &offset);
- if (r == ARCHIVE_EOF)
- return (ARCHIVE_OK);
- if (r != ARCHIVE_OK)
- return (r);
- r = (int)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 we haven't initialized the archive_write_disk object, do it now. */
+ if (extract->ad == NULL) {
+ extract->ad = archive_write_disk_new();
+ if (extract->ad == NULL) {
+ archive_set_error(&a->archive, ENOMEM, "Can't extract");
+ return (ARCHIVE_FATAL);
}
- if (extract->extract_progress)
- (extract->extract_progress)
- (extract->extract_progress_user_data);
+ archive_write_disk_set_standard_lookup(extract->ad);
+ a->cleanup_archive_extract = archive_read_extract_cleanup;
}
+
+ archive_write_disk_set_options(extract->ad, flags);
+ return (archive_read_extract2(&a->archive, entry, extract->ad));
}
/*