From 5ac243da2a2bb76afecacc47c84e0ba0e60bed14 Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Sat, 4 Dec 2021 12:37:39 +0300
Subject: [PATCH] MSVC: Fix include files

Error message:

  gost12sum.c(13,10): fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory
  gost12sum.c(80,23): warning C4013: 'getopt' undefined; assuming extern returning int
  test_keyexpimp.c(7,10): fatal error C1083: Cannot open include file: 'arpa/inet.h': No such file or directory

Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
---
 gost12sum.c      | 12 ++++++++++++
 test_keyexpimp.c |  6 +++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/gost12sum.c b/gost12sum.c
index b44fe3b..e644a61 100644
--- a/gost12sum.c
+++ b/gost12sum.c
@@ -10,9 +10,21 @@
  **********************************************************************/
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef _MSC_VER
+#include "getopt.h"
+# ifndef PATH_MAX
+#  define PATH_MAX _MAX_PATH
+# endif
+#include <BaseTsd.h>
+typedef SSIZE_T ssize_t;
+#else
 #include <unistd.h>
+#endif
 #include <limits.h>
 #include <fcntl.h>
+#ifdef _WIN32
+# include <io.h>
+#endif
 #include <string.h>
 #include "gosthash2012.h"
 #define BUF_SIZE 262144
diff --git a/test_keyexpimp.c b/test_keyexpimp.c
index d7e0e09..31a42f7 100644
--- a/test_keyexpimp.c
+++ b/test_keyexpimp.c
@@ -4,7 +4,11 @@
  * Contents licensed under the terms of the OpenSSL license
  * See https://www.openssl.org/source/license.html for details
  */
-#include <arpa/inet.h>
+#ifdef _MSC_VER
+# include <Winsock2.h>
+#else
+# include <arpa/inet.h>
+#endif
 #include <string.h>
 #include <stdio.h>
 #include <string.h>
-- 
2.39.5