json conversion

1 files changed, 4 insertions, 1 deletions

diff --git a/src/serialized_file.rs b/src/serialized_file.rs
index cdf6125..d8238ea 100644
--- a/src/serialized_file.rs
+++ b/src/serialized_file.rs
@@ -2,7 +2,7 @@ use crate::{
     common_strings::COMMON_STRINGS,
     helper::{AlignExt, Endianness, ReadExt},
 };
-use anyhow::Result;
+use anyhow::{Result, bail};
 use log::{debug, info, trace};
 use std::io::{Cursor, Read, Seek};
 
@@ -82,6 +82,9 @@ pub fn read_serialized_file_header(mut file: impl Read + Seek) -> Result<Seriali
     let format = file.read_u32_be()?;
     let mut data_offset = file.read_u32_be()? as u64;
 
+    if format >= 1000 {
+        bail!("bad format version {format:x}")
+    }
     info!("File format version: {format}");
 
     assert!(format >= 9);