fix 1817

1 files changed, 65 insertions, 0 deletions

diff --git a/contrib/test_gnunet_prefix.c b/contrib/test_gnunet_prefix.c
new file mode 100644
index 000000000..ea8137107
--- /dev/null
+++ b/contrib/test_gnunet_prefix.c
@@ -0,0 +1,65 @@
+/*
+      This file is part of GNUnet
+     (C) 2011 Christian Grothoff (and other contributing authors)
+
+      GNUnet 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 2, or (at your
+      option) any later version.
+
+      GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+      Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+      Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @file contrib/test_gnunet_prefix.c
+ * @brief test if environment variable GNUNET_PREFIX is set so that
+ *        we have a chance to run tests
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+
+
+int 
+main (int argc,
+      char **argv)
+{
+  const char *basename;
+  const char *dirname;
+
+  basename = getenv ("GNUNET_PREFIX");  
+  if (NULL == basename)
+  {
+    fprintf (stderr,
+	     _("Environment variable GNUNET_PREFIX not set\n"));
+    fprintf (stderr, 
+	     _("Testcases will not work!\n"));
+    return 1;
+  }
+  dirname = DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR "defaults.conf";
+  {
+    char tmp[strlen (basename) + strlen (dirname) + 1];
+    sprintf (tmp, "%s%s", basename, dirname);
+    if (0 != access (tmp, R_OK))
+    {
+      fprintf (stderr,
+	       _("Failed to access `%s': %s\n"),
+	       tmp,
+	       STRERROR (errno));
+      fprintf (stderr,
+	       _("Check that you did run `make install' and that GNUNET_PREFIX='%s' is the correct prefix.\n"),
+	       basename);
+      fprintf (stderr, 
+	       _("Testcases will not work!\n"));
+      return 2;
+    }
+  }
+  return 0;
+}