From 61b8806cf3a1164ae145d42cc48ca7c432e2ab53 Mon Sep 17 00:00:00 2001
From: Magnus Lundborg <lundborg.magnus@gmail.com>
Date: Thu, 21 Mar 2013 09:49:08 +0100
Subject: Print file position when failing to read block headers.


diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c
index 66e7780..fdb7809 100644
--- a/src/lib/tng_io.c
+++ b/src/lib/tng_io.c
@@ -6095,7 +6095,8 @@ static tng_function_status tng_frame_set_align(tng_trajectory_t tng_data)
     {
         if(tng_block_header_read(tng_data, block) != TNG_SUCCESS)
         {
-            printf("Cannot read block header. %s: %d\n", __FILE__, __LINE__);
+            printf("Cannot read block header at pos %"PRId64". %s: %d\n", pos,
+                   __FILE__, __LINE__);
             tng_data->input_file = temp;
             tng_block_destroy(&block);
             return(TNG_CRITICAL);
@@ -6183,7 +6184,8 @@ static tng_function_status tng_frame_set_finalize
     {
         if(tng_block_header_read(tng_data, block) != TNG_SUCCESS)
         {
-            printf("Cannot read block header. %s: %d\n", __FILE__, __LINE__);
+            printf("Cannot read block header at pos %"PRId64". %s: %d\n", pos,
+                   __FILE__, __LINE__);
             tng_data->input_file = temp;
             tng_block_destroy(&block);
             return(TNG_CRITICAL);
-- 
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