Add support for building tinc with MSVC

[tinc] / src / have.h

diff --git a/src/have.h b/src/have.h
index faa4c9e..f19c599 100644 (file)
--- a/src/have.h
+++ b/src/have.h
@@ -1,7 +1,10 @@
+#ifndef TINC_HAVE_H
+#define TINC_HAVE_H
+
 /*
     have.h -- include headers which are known to exist
     Copyright (C) 1998-2005 Ivo Timmermans
-                  2003-2016 Guus Sliepen <guus@tinc-vpn.org>
+                  2003-2021 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -18,12 +21,12 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_HAVE_H__
-#define __TINC_HAVE_H__
-
 #ifdef HAVE_MINGW
-#define WINVER WindowsXP
+#define WINVER 0x0600
+#define _WIN32_WINNT 0x0600
 #define WIN32_LEAN_AND_MEAN
+#define _CRT_SECURE_NO_WARNINGS
+#define _CRT_NONSTDC_NO_WARNINGS
 #endif
 
 #include <stdio.h>
@@ -35,17 +38,34 @@
 #include <signal.h>
 #include <errno.h>
 #include <fcntl.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <limits.h>
 #include <math.h>
 #include <time.h>
 
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#elif defined(HAVE_NETBSD)
+#define alloca(size) __builtin_alloca(size)
+#endif
+
 #ifdef HAVE_MINGW
+#ifdef HAVE_W32API_H
 #include <w32api.h>
+#endif
+
 #include <winsock2.h>
 #include <windows.h>
 #include <ws2tcpip.h>
+
+#ifdef _MSC_VER
+#include <io.h>
+#include <process.h>
+#include <direct.h>
 #endif
+#endif // HAVE_MINGW
 
 #ifdef HAVE_TERMIOS_H
 #include <termios.h>
@@ -57,6 +77,10 @@
 
 /* Include system specific headers */
 
+#ifdef HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+
 #ifdef HAVE_SYSLOG_H
 #include <syslog.h>
 #endif
@@ -78,6 +102,10 @@
 #include <sys/file.h>
 #endif
 
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
@@ -100,6 +128,8 @@
 
 #ifdef HAVE_DIRENT_H
 #include <dirent.h>
+#elif defined(_MSC_VER)
+#include "dirent.h"
 #endif
 
 /* SunOS really wants sys/socket.h BEFORE net/if.h,
@@ -213,4 +243,4 @@
 #define SLASH "/"
 #endif
 
-#endif /* __TINC_SYSTEM_H__ */
+#endif