From 3ea0e91533b0dbf68be56fd6759bfc4331651404 Mon Sep 17 00:00:00 2001
From: Patrick Gartung <gartung@fnal.gov>
Date: Wed, 4 Mar 2020 17:15:09 -0600
Subject: [PATCH] use os.sep instead of null byte to pad replacement paths in
 binaries (#15338)

* use os.sep instead of null byte to pad replacement paths in binaries

* Prefix the pading os.sep's
---
 lib/spack/spack/relocate.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/spack/spack/relocate.py b/lib/spack/spack/relocate.py
index fb4ff18fae..a6aea329e1 100644
--- a/lib/spack/spack/relocate.py
+++ b/lib/spack/spack/relocate.py
@@ -412,7 +412,8 @@ def replace(match):
         if padding < 0:
             return data
         return match.group().replace(old_dir.encode('utf-8'),
-                                     new_dir.encode('utf-8')) + b'\0' * padding
+                                     os.sep.encode('utf-8') * padding +
+                                     new_dir.encode('utf-8'))
 
     with open(path_name, 'rb+') as f:
         data = f.read()
-- 
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