From e25654c2101d8dd8464bdc577b31822f82253352 Mon Sep 17 00:00:00 2001
From: Patrick Niklaus <patrick.niklaus@student.kit.edu>
Date: Thu, 22 Mar 2018 11:24:41 +0000
Subject: [PATCH] MICROTAR: Patch microtar to allow reading from files we are
 writing to.

---
 third_party/microtar/src/microtar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/third_party/microtar/src/microtar.c b/third_party/microtar/src/microtar.c
index 4b8977600..a3c67c70f 100644
--- a/third_party/microtar/src/microtar.c
+++ b/third_party/microtar/src/microtar.c
@@ -187,7 +187,7 @@ int mtar_open(mtar_t *tar, const char *filename, const char *mode) {
 
   /* Assure mode is always binary */
   if ( strchr(mode, 'r') ) mode = "rb";
-  if ( strchr(mode, 'w') ) mode = "wb";
+  if ( strchr(mode, 'w') ) mode = "w+b";
   if ( strchr(mode, 'a') ) mode = "ab";
   /* Open file */
   tar->stream = fopen(filename, mode);