WIP: Add windows compatibility (#30)

* add package files

* add windows compat to subprocess.hpp

* add test modifications

* repair test_read_all

.clang-format

@@ -0,0 +1 @@
+BreakBeforeBraces: Stroustrup

.gitignore

@@ -0,0 +1,2 @@
+build*
+.vscode

CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.9)
+
+project(subprocess CXX)
+
+enable_testing()
+add_subdirectory(test)

test/CMakeLists.txt

@@ -0,0 +1,8 @@
+
+
+add_executable(test_subprocess test_subprocess.cc)
+
+add_test(
+    NAME test_subprocess
+    COMMAND $<TARGET_FILE:test_subprocess>
+)

test/test_subprocess.cc

@@ -1,19 +1,27 @@
-#include <iostream>
 #include "../subprocess.hpp"
+#include <iostream>
 
 using namespace subprocess;
 
 void test_exename()
 {
+#ifdef _MSC_VER
+  auto ret = call({"--version"}, executable{"cmake"}, shell{false});
+#else
   auto ret = call({"-l"}, executable{"ls"}, shell{false});
+#endif
   std::cout << ret << std::endl;
 }
 
 void test_input()
 {
+#if 0
+  auto p = Popen({"cmake", "--version"}, output{PIPE}, input{PIPE});
+#else
   auto p = Popen({"grep", "f"}, output{PIPE}, input{PIPE});
-  const char* msg = "one\ntwo\nthree\nfour\nfive\n";
+  const char *msg = "one\ntwo\nthree\nfour\nfive\n";
   p.send(msg, strlen(msg));
+#endif
   auto res = p.communicate(nullptr, 0);
   std::cout << res.first.buf.data() << std::endl;
 }
@@ -22,7 +30,8 @@ void test_piping()
 {
   auto cat = Popen({"cat", "../subprocess.hpp"}, output{PIPE});
   auto grep = Popen({"grep", "template"}, input{cat.output()}, output{PIPE});
-  auto cut = Popen({"cut", "-d,", "-f", "1"}, input{grep.output()}, output{PIPE});
+  auto cut =
+      Popen({"cut", "-d,", "-f", "1"}, input{grep.output()}, output{PIPE});
   auto res = cut.communicate().first;
   std::cout << res.buf.data() << std::endl;
 }
@@ -45,7 +54,10 @@ void test_sleep()
 
   while (p.poll() == -1) {
     std::cout << "Waiting..." << std::endl;
+#ifdef _MSC_VER
+#else
     sleep(1);
+#endif
   }
 
   std::cout << "Sleep ended: ret code = " << p.retcode() << std::endl;
@@ -56,7 +68,7 @@ void test_read_all()
   Popen p = Popen({"echo","12345678"}, output{PIPE});
   
   std::vector<char> buf(6);
-  int rbytes = util::read_all(fileno(p.output()), buf);
+  int rbytes = util::read_all(p.output(), buf);
 
   std::string out(buf.begin(), buf.end());