osdep/ compile fixes, and remove some lingering OS-specific stuff from node/Defaults

osdep/OSUtils.cpp

@@ -51,6 +51,40 @@
 
 namespace ZeroTier {
 
+static inline std::string _mkDefaultHomePath()
+{
+#ifdef __UNIX_LIKE__
+
+#ifdef __APPLE__
+	// /Library/... on Apple
+	return std::string("/Library/Application Support/ZeroTier/One");
+#else
+
+#ifdef __FreeBSD__
+	// FreeBSD likes /var/db instead of /var/lib
+	return std::string("/var/db/zerotier-one");
+#else
+	// Use /var/lib for Linux and other *nix
+	return std::string("/var/lib/zerotier-one");
+#endif
+
+#endif
+
+#else // not __UNIX_LIKE__
+
+#ifdef __WINDOWS__
+	// Look up app data folder on Windows, e.g. C:\ProgramData\...
+	char buf[16384];
+	if (SUCCEEDED(SHGetFolderPathA(NULL,CSIDL_COMMON_APPDATA,NULL,0,buf)))
+		return (std::string(buf) + "\\ZeroTier\\One");
+	else return std::string("C:\\ZeroTier\\One");
+#else
+#error Unknown platform, please define a default home path!
+#endif
+
+#endif // __UNIX_LIKE__ or not...
+}
+
 #ifdef __UNIX_LIKE__
 bool OSUtils::redirectUnixOutputs(const char *stdoutPath,const char *stderrPath)
 	throw()