Add meta data writer

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 24 insertions, 0 deletions

diff --git a/mkfs/meta_writer.h b/mkfs/meta_writer.h
new file mode 100644
index 0000000..bfa4160
--- /dev/null
+++ b/mkfs/meta_writer.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#ifndef META_WRITER_H
+#define META_WRITER_H
+
+#include "squashfs.h"
+#include "compress.h"
+
+typedef struct {
+	uint8_t data[SQFS_META_BLOCK_SIZE + 2];
+	size_t offset;
+	size_t block_offset;
+	int outfd;
+	compressor_t *cmp;
+} meta_writer_t;
+
+meta_writer_t *meta_writer_create(int fd, compressor_t *cmp);
+
+void meta_writer_destroy(meta_writer_t *m);
+
+int meta_writer_flush(meta_writer_t *m);
+
+int meta_writer_append(meta_writer_t *m, const void *data, size_t size);
+
+#endif /* META_WRITER_H */