X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=db.h;h=28bf84d9df60a6a003618931854e9b6fc36c3b5d;hb=fd6198891d6fd9642effc0843fef6f23b991af3e;hp=d4baf530096f0f640628b86b03623f6d168dfa24;hpb=c41f998855416a8619751653f3cedd9bc6f0f4c0;p=plocate

diff --git a/db.h b/db.h
index d4baf53..28bf84d 100644
--- a/db.h
+++ b/db.h
@@ -4,13 +4,30 @@
 #include <stdint.h>
 
 struct Header {
-	char magic[8]; // "\0plocate";
-	uint32_t version;  // 0.
+	char magic[8];  // "\0plocate";
+	uint32_t version;  // 2 is the current version.
 	uint32_t hashtable_size;
 	uint32_t extra_ht_slots;
+	uint32_t num_docids;
 	uint64_t hash_table_offset_bytes;
 	uint64_t filename_index_offset_bytes;
-}; 
+
+	// Version 1 and up only.
+	uint32_t max_version;  // Nominally 1 or 2, but can be increased if more features are added in a backward-compatible way.
+	uint32_t zstd_dictionary_length_bytes;
+	uint64_t zstd_dictionary_offset_bytes;
+
+	// Only if max_version >= 2, and only relevant for updatedb.
+	uint64_t directory_data_length_bytes;
+	uint64_t directory_data_offset_bytes;
+	uint64_t next_zstd_dictionary_length_bytes;
+	uint64_t next_zstd_dictionary_offset_bytes;
+	uint64_t conf_block_length_bytes;
+	uint64_t conf_block_offset_bytes;
+
+	// Only if max_version >= 2.
+	bool check_visibility;
+};
 
 struct Trigram {
 	uint32_t trgm;