From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sun, 10 May 2020 15:57:52 +0000 (+0000)
Subject: fsutil: Fix writing end-of-archive marker.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=commitdiff_plain;h=83855d769a0a09dd9f2bfdd74f1b5f8a23a1bd7e

fsutil: Fix writing end-of-archive marker.

This code was supposed to write two sectors but instead it wrote the same
sector twice.

Thanks to Grant A Shurtz for reporting this bug.
---

diff --git a/src/filesys/fsutil.c b/src/filesys/fsutil.c
index 5f045d6..df632df 100644
--- a/src/filesys/fsutil.c
+++ b/src/filesys/fsutil.c
@@ -215,7 +215,7 @@ fsutil_append (char **argv)
      them, though, in case we have more files to append. */
   memset (buffer, 0, BLOCK_SECTOR_SIZE);
   block_write (dst, sector, buffer);
-  block_write (dst, sector, buffer + 1);
+  block_write (dst, sector + 1, buffer);
 
   /* Finish up. */
   file_close (src);