New compression/decompression API

[wimlib] / include / wimlib / compressor_ops.h

diff --git a/include/wimlib/compressor_ops.h b/include/wimlib/compressor_ops.h
new file mode 100644 (file)
index 0000000..4c36bb3
--- /dev/null
+++ b/include/wimlib/compressor_ops.h
@@ -0,0 +1,34 @@
+/*
+ * compressor_ops.h
+ *
+ * Interface implemented by compressors for specific formats.
+ */
+
+#ifndef _WIMLIB_COMPRESSOR_OPS_H
+#define _WIMLIB_COMPRESSOR_OPS_H
+
+#include <stddef.h>
+
+struct compressor_ops {
+
+       int (*create_compressor)(size_t max_block_size,
+                                const struct wimlib_compressor_params_header *extra_params,
+                                void **private_ret);
+
+       size_t (*compress)(const void *uncompressed_data,
+                          size_t uncompressed_size,
+                          void *compressed_data,
+                          size_t compressed_size_avail,
+                          void *private);
+
+       void (*free_compressor)(void *private);
+};
+
+extern const struct compressor_ops lzx_compressor_ops;
+extern const struct compressor_ops xpress_compressor_ops;
+extern const struct compressor_ops lzms_compressor_ops;
+
+extern void
+cleanup_compressor_params(void);
+
+#endif /* _WIMLIB_COMPRESSOR_OPS_H */