Separate suffix array match-finder from LZX compressor

[wimlib] / include / wimlib / lz.h

diff --git a/include/wimlib/lz.h b/include/wimlib/lz.h
new file mode 100644 (file)
index 0000000..4206f14
--- /dev/null
+++ b/include/wimlib/lz.h
@@ -0,0 +1,30 @@
+#ifndef _WIMLIB_LZ_H
+#define _WIMLIB_LZ_H
+
+#include "wimlib/compress_common.h"
+
+//#define ENABLE_LZ_DEBUG
+#ifdef ENABLE_LZ_DEBUG
+#  define LZ_DEBUG DEBUG
+#  define LZ_ASSERT wimlib_assert
+#  include "wimlib/assert.h"
+#  include "wimlib/error.h"
+#else
+#  define LZ_DEBUG(...)
+#  define LZ_ASSERT(...)
+#endif
+
+
+/* Raw LZ match/literal format: just a length and offset.
+ *
+ * The length is the number of bytes of the match, and the offset is the number
+ * of bytes back in the input the match is from the current position.
+ *
+ * This can alternatively be used to represent a literal byte if @len is less
+ * than the minimum match length.  */
+struct raw_match {
+       input_idx_t len;
+       input_idx_t offset;
+};
+
+#endif /* _WIMLIB_LZ_H */