X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_sp%2Ffile.c;h=9fa3908a8dc8df1e50b6636a5a26e9b8a52ac467;hb=310781167f731177d6d46b15093dc32606eeac4e;hp=a38c80667cff3390b9426f37c07fd7d2771f9832;hpb=3ff2e8a0b5c27b99a9920bdf5ed82bc41bf40181;p=rocksndiamonds.git

diff --git a/src/game_sp/file.c b/src/game_sp/file.c
index a38c8066..9fa3908a 100644
--- a/src/game_sp/file.c
+++ b/src/game_sp/file.c
@@ -254,13 +254,13 @@ static void LoadNativeLevelFromFileStream_SP(File *file, int width, int height,
       native_sp_level.demo.data[i] = getFile8Bit(file);
 
       if (native_sp_level.demo.data[i] == 0xff)	/* "end of demo" byte */
-      {
-	i++;
-
 	break;
-      }
     }
 
+    if (i >= SP_MAX_TAPE_LEN)
+      Error(ERR_WARN, "SP demo truncated: size exceeds maximum SP demo size %d",
+	    SP_MAX_TAPE_LEN);
+
     native_sp_level.demo.length = i;
     native_sp_level.demo.is_available = (native_sp_level.demo.length > 0);
   }
@@ -574,6 +574,8 @@ void SaveNativeLevel_SP(char *filename)
 
     for (i = 0; i < native_sp_level.demo.length; i++)
       putFile8Bit(file, native_sp_level.demo.data[i]);
+
+    putFile8Bit(file, 0xff);	/* "end of demo" byte */
   }
 
   fclose(file);