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-rw-r--r--include/frag_reader.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/frag_reader.h b/include/frag_reader.h
new file mode 100644
index 0000000..6495f5b
--- /dev/null
+++ b/include/frag_reader.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#ifndef FRAG_READER_H
+#define FRAG_READER_H
+
+#include "squashfs.h"
+#include "compress.h"
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef struct {
+ sqfs_fragment_t *tbl;
+ size_t num_fragments;
+
+ int fd;
+ compressor_t *cmp;
+ size_t block_size;
+ size_t used;
+ size_t current_index;
+ uint8_t buffer[];
+} frag_reader_t;
+
+frag_reader_t *frag_reader_create(sqfs_super_t *super, int fd,
+ compressor_t *cmp);
+
+void frag_reader_destroy(frag_reader_t *f);
+
+int frag_reader_read(frag_reader_t *f, size_t index, size_t offset,
+ void *buffer, size_t size);
+
+#endif /* FRAG_READER_H */