From ba90d5d283232b0091c2f822972fe7aa62cae669 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20St=C3=B6ckl?= <richard.stoeckl@aon.at>
Date: Thu, 1 Aug 2024 12:14:38 +0200
Subject: [PATCH] Emit warnings on pgt file being to big

---
 src/info.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/info.rs b/src/info.rs
index a3d8c7a..3e57efc 100644
--- a/src/info.rs
+++ b/src/info.rs
@@ -62,6 +62,10 @@ pub fn set(title: Option<String>, card_type: Option<CardType>, card_id: Option<u
     if let Some(p) = pgt {
         let mut f = File::open(p).map_err(|e| err_reason("Unable to read pgt", e))?;
         f.read_exact(&mut pcd.state.pgt).map_err(|e| err_reason("Unable to read pgt", e))?;
+        match f.read(&mut [0]) {
+            Ok(len) => if len > 0 { eprintln!("warning: provided pgt file is bigger than expected and will be truncated") }
+            Err(e) => eprintln!("warning: unable to check if pgt file is too long: {}", e)
+        }
     }
 
     let pcd: PCD<Raw> = (&pcd.serialize()).try_into()?;