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authorGlenn L McGrath2002-11-03 14:05:15 +0000
committerGlenn L McGrath2002-11-03 14:05:15 +0000
commit237ae42fc96ede945d28d9054f045b73e419d089 (patch)
tree3fb6a9c10150303aca3c218b47aaf327a186382a /archival/libunarchive/data_align.c
parent2fc54a9258c3aa5dad2ce9807ba85cf29af2668e (diff)
downloadbusybox-237ae42fc96ede945d28d9054f045b73e419d089.zip
busybox-237ae42fc96ede945d28d9054f045b73e419d089.tar.gz
Abstract read and seek in unarchiving code, convert bunzip to file descriptors, support tar -j
Diffstat (limited to 'archival/libunarchive/data_align.c')
-rw-r--r--archival/libunarchive/data_align.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/archival/libunarchive/data_align.c b/archival/libunarchive/data_align.c
index d6243bc..037242f 100644
--- a/archival/libunarchive/data_align.c
+++ b/archival/libunarchive/data_align.c
@@ -1,13 +1,34 @@
-#include <errno.h>
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
#include <sys/types.h>
+
+#include <errno.h>
#include <unistd.h>
-#include "unarchive.h"
+
#include "libbb.h"
+#include "unarchive.h"
-extern const unsigned short data_align(const int src_fd, const unsigned int offset, const unsigned short align_to)
+extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary)
{
- const unsigned short skip_amount = (align_to - (offset % align_to)) % align_to;
- seek_sub_file(src_fd, skip_amount);
+ const unsigned short skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
+
+ archive_handle->seek(archive_handle, skip_amount);
+
+ archive_handle->offset += skip_amount;
- return(skip_amount);
+ return;
}