From 993cfb64bcc2910e3bd6a4d3ed736b1d68122b2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franz=20P=C3=B6schel?= <franz.poeschel@gmail.com>
Date: Tue, 27 Apr 2021 10:03:45 +0200
Subject: [PATCH] Windows compatibility

---
 src/ChunkInfo.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/ChunkInfo.cpp b/src/ChunkInfo.cpp
index ac60047005..eb606caf6b 100644
--- a/src/ChunkInfo.cpp
+++ b/src/ChunkInfo.cpp
@@ -26,9 +26,13 @@
 #include <iostream>
 #include <list>
 #include <map>
-#include <unistd.h>
 #include <utility>
 
+#ifdef _WIN32
+#else
+#include <unistd.h>
+#endif
+
 namespace openPMD
 {
 ChunkInfo::ChunkInfo( Offset offset_in, Extent extent_in )
@@ -569,7 +573,10 @@ chunk_assignment::RankMeta byMethodCollective( MPI_Comm comm, Method method )
 std::string hostname()
 {
     char hostname[ MAX_HOSTNAME_LENGTH ];
-    gethostname( hostname, MAX_HOSTNAME_LENGTH );
+    if( gethostname( hostname, MAX_HOSTNAME_LENGTH ) )
+    {
+        throw std::runtime_error( "[gethostname] Could not inquire hostname." );
+    }
     std::string res( hostname );
     return res;
 }