Merge pull request #17: Compile and run on Windows

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "StormLib"]
 	path = StormLib
 	url = git://github.com/stormlib/StormLib.git
+[submodule "dirent"]
+	path = dirent
+	url = git://github.com/tronkko/dirent.git

CMakeLists.txt

@@ -23,6 +23,11 @@ include_directories("${MPQEXTRACTOR_SOURCE_DIR}/StormLib/src/"
                     "${MPQEXTRACTOR_SOURCE_DIR}/include/"
 )
 
+# Replacement for dirent.h and unistd.h
+if (WIN32)
+  include_directories("${CMAKE_CURRENT_SOURCE_DIR}/dirent/include")
+endif()
+
 add_executable(MPQExtractor main.cpp)
 target_link_libraries(MPQExtractor storm)
 

README.md

@@ -2,14 +2,14 @@
 
 A command-line tool to extract files from MPQ archives (used by Blizzard games).
 
-Works on MacOS X and Linux.
+Works on MacOS X, Linux and Windows.
 
 
 ## Dependencies
 
 The following libraries are necessary to build the extractor:
 
-* StormLib (http://www.zezula.net/en/mpq/stormlib.html), no license, free to use -
+* StormLib (http://www.zezula.net/en/mpq/stormlib.html), MIT License, free to use -
   included as a GIT submodule
 * SimpleOpt 3.4 (http://code.jellycan.com/simpleopt/), MIT License - part of the
   distribution
@@ -28,10 +28,18 @@ Requires <a href="http://www.cmake.org/">cmake</a> to build:
     $ mkdir build
     $ cd build
     $ cmake <path/to/the/source/of/MPQExtractor>
-    $ make
+    $ cmake --build .
 
 The executable will be put in build/bin/
 
+**Windows**:
+To specify the compiler and build in Release mode:
+
+    mkdir build
+    cd build
+    cmake <path/to/the/source/of/MPQExtractor> -G "Visual Studio 15 2017 Win64" 
+    cmake --build . --config Release
+
 
 ## Usage
 

main.cpp

@@ -4,9 +4,16 @@
 #include <string>
 #include <vector>
 #include <algorithm>
-#include <unistd.h>
-#include <dirent.h>
 #include <stdlib.h>
+#include <stdio.h>
+#include <dirent.h>
+#ifdef WIN32
+    #include <io.h>
+    #include <direct.h>
+    #define mkdir(dirname, acl) _mkdir(dirname)
+#else
+    #include <unistd.h>
+#endif
 #include <sys/stat.h>