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brianb 2000-03-22 02:12:31 +00:00
parent 1e389d8d4c
commit 418d57bc0c
1 changed files with 14 additions and 0 deletions
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14
src/libmdb/file.c
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@ -32,6 +32,20 @@ MdbHandle *mdb;
fprintf(stderr,"Couldn't open file %s\n",filename);
return NULL;
}
if (!mdb_read_pg(mdb, 0)) {
fprintf(stderr,"Couldn't read first page.\n");
return NULL;
}
mdb->jet_version = mdb_get_int32(mdb, 0x14);
if (mdb->jet_version == MDB_VER_JET4) {
mdb->pg_size = 4096;
} else {
mdb->pg_size = 2048;
}
/* get the db encryption key and xor it back to clear text */
mdb->db_key = mdb_get_int32(mdb, 0x3e);
mdb->db_key ^= 0xe15e01b9;
return mdb;
}