+
+boost::filesystem::path
+home_directory ()
+{
+#if defined(DCPOMATIC_LINUX) || defined(DCPOMATIC_OSX)
+ return getenv("HOME");
+#endif
+#ifdef DCPOMATIC_WINDOWS
+ return boost::filesystem::path(getenv("HOMEDRIVE")) / boost::filesystem::path(getenv("HOMEPATH"));
+#endif
+}
+
+string
+command_and_read (string cmd)
+{
+#ifdef DCPOMATIC_LINUX
+ FILE* pipe = popen (cmd.c_str(), "r");
+ if (!pipe) {
+ throw runtime_error ("popen failed");
+ }
+
+ string result;
+ char buffer[128];
+ try {
+ while (fgets(buffer, sizeof(buffer), pipe)) {
+ result += buffer;
+ }
+ } catch (...) {
+ pclose (pipe);
+ throw;
+ }
+
+ pclose (pipe);
+ return result;
+#endif
+
+ return "";
+}
+
+/** @return true if this process is a 32-bit one running on a 64-bit-capable OS */
+bool
+running_32_on_64 ()
+{
+#ifdef DCPOMATIC_WINDOWS
+ BOOL p;
+ IsWow64Process (GetCurrentProcess(), &p);
+ return p;
+#endif
+ /* XXX: assuming nobody does this on Linux / OS X */
+ return false;
+}