From 20a2620ffc865732b021048b12910b765ff1f893 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Sat, 21 Dec 2019 18:10:12 +0100
Subject: [PATCH] CPC_check_AMSDOS() fix for files below 128 bytes

---
 src/oldies.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/oldies.c b/src/oldies.c
index d7f34d16..83953ede 100644
--- a/src/oldies.c
+++ b/src/oldies.c
@@ -741,7 +741,11 @@ int CPC_check_AMSDOS(FILE * file, word * loading_address, unsigned long * file_l
 
   fseek(file, 0, SEEK_SET);
   if (!Read_bytes(file, data, 128))
+  {
+    // Rewind the file so it can be read normally
+    fseek(file, 0, SEEK_SET);
     return 0;
+  }
 
   // Rewind the file so it can be read normally
   fseek(file, 0, SEEK_SET);