test code v1

src/erofs_defs.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __EROFS_DEFS_H
+#define __EROFS_DEFS_H
+
+/* CRC32C polynomial and seed */
+#define EROFS_CRC32C_SEED 0x5045b54aU
+
+/* Inode slot alignment */
+
+/* Directory entry size */
+#define EROFS_DIRENT_SIZE sizeof(struct erofs_dirent)
+
+/* RC decoder constants */
+
+/* LZ4 format constants */
+#define EROFS_LZ4_TOKEN_LITERAL_SHIFT 4
+#define EROFS_LZ4_TOKEN_MATCH_MASK 0x0F
+#define EROFS_LZ4_MAX_RUN 15
+#define EROFS_LZ4_EXT_SENTINEL 255
+#define EROFS_LZ4_MIN_MATCH 4
+#define EROFS_LZ4_OFFSET_BYTES 2
+
+#endif /* __EROFS_DEFS_H */