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DatabaseSave: add constant OLDEST_DB_FORMAT

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This commit is contained in:
Max Kellermann
2014-02-24 23:53:14 +01:00
parent 8963cd1fab
commit 58a981d2f6
1 changed files with 6 additions and 1 deletions
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7
src/db/DatabaseSave.cxx
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@@ -43,6 +43,11 @@
static constexpr unsigned DB_FORMAT = 1; static constexpr unsigned DB_FORMAT = 1;
/**
* The oldest database format understood by this MPD version.
*/
static constexpr unsigned OLDEST_DB_FORMAT = 1;
void void
db_save_internal(FILE *fp, const Directory &music_root) db_save_internal(FILE *fp, const Directory &music_root)
{ {
@@ -128,7 +133,7 @@ db_load_internal(TextFile &file, Directory &music_root, Error &error)
} }
} }
if (format != DB_FORMAT) { if (format < OLDEST_DB_FORMAT || format > DB_FORMAT) {
error.Set(db_domain, error.Set(db_domain,
"Database format mismatch, " "Database format mismatch, "
"discarding database file"); "discarding database file");