[lib] Split structures in separate headers.

include/aaruformat/structs/ddt.h

@@ -0,0 +1,48 @@
+/*
+ * This file is part of the Aaru Data Preservation Suite.
+ * Copyright (c) 2019-2025 Natalia Portillo.
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBAARUFORMAT_DDT_H
+#define LIBAARUFORMAT_DDT_H
+
+#pragma pack(push, 1)
+
+/**Header for a deduplication table. Table follows it */
+typedef struct DdtHeader {
+    /**Identifier, <see cref="BlockType.DeDuplicationTable" /> */
+    uint32_t identifier;
+    /**Type of data pointed by this DDT */
+    uint32_t type;
+    /**Compression algorithm used to compress the DDT */
+    uint16_t compression;
+    /**Each entry is ((uint8_t offset in file) &lt;&lt; shift) + (sector offset in block) */
+    uint8_t shift;
+    /**How many entries are in the table */
+    uint64_t entries;
+    /**Compressed length for the DDT */
+    uint64_t cmpLength;
+    /**Uncompressed length for the DDT */
+    uint64_t length;
+    /**CRC64-ECMA of the compressed DDT */
+    uint64_t cmpCrc64;
+    /**CRC64-ECMA of the uncompressed DDT */
+    uint64_t crc64;
+} DdtHeader;
+
+#pragma pack(pop)
+
+#endif //LIBAARUFORMAT_DDT_H