1 files changed, 55 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/gr_sys_paths.cc b/gnuradio-runtime/lib/gr_sys_paths.cc
new file mode 100644
index 0000000000..b4918af33d
--- /dev/null
+++ b/gnuradio-runtime/lib/gr_sys_paths.cc
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2011 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <gr_sys_paths.h>
+#include <cstdlib> //getenv
+#include <cstdio>  //P_tmpdir (maybe)
+
+const char *gr_tmp_path(){
+    const char *path;
+
+    //first case, try TMP environment variable
+    path = getenv("TMP");
+    if (path) return path;
+
+    //second case, try P_tmpdir when its defined
+    #ifdef P_tmpdir
+    if (P_tmpdir) return P_tmpdir;
+    #endif /*P_tmpdir*/
+
+    //fall-through case, nothing worked
+    return "/tmp";
+}
+
+const char *gr_appdata_path(){
+    const char *path;
+
+    //first case, try HOME environment variable (unix)
+    path = getenv("HOME");
+    if (path) return path;
+
+    //second case, try APPDATA environment variable (windows)
+    path = getenv("APPDATA");
+    if (path) return path;
+
+    //fall-through case, nothing worked
+    return gr_tmp_path();
+}