move plugin path setup logic to libtalerutil

src/mintdb/mintdb_plugin.c

@@ -83,67 +83,5 @@ TALER_MINTDB_plugin_unload (struct TALER_MINTDB_Plugin *plugin)
 }
 
 
-/**
- * Libtool search path before we started.
- */
-static char *old_dlsearchpath;
-
-
-/**
- * Setup libtool paths.
- */
-void __attribute__ ((constructor))
-plugin_init ()
-{
-  int err;
-  const char *opath;
-  char *path;
-  char *cpath;
-
-  err = lt_dlinit ();
-  if (err > 0)
-  {
-    FPRINTF (stderr,
-             _("Initialization of plugin mechanism failed: %s!\n"),
-             lt_dlerror ());
-    return;
-  }
-  opath = lt_dlgetsearchpath ();
-  if (NULL != opath)
-    old_dlsearchpath = GNUNET_strdup (opath);
-  path = TALER_OS_installation_get_path (GNUNET_OS_IPK_LIBDIR);
-  if (NULL != path)
-  {
-    if (NULL != opath)
-    {
-      GNUNET_asprintf (&cpath, "%s:%s", opath, path);
-      lt_dlsetsearchpath (cpath);
-      GNUNET_free (path);
-      GNUNET_free (cpath);
-    }
-    else
-    {
-      lt_dlsetsearchpath (path);
-      GNUNET_free (path);
-    }
-  }
-}
-
-
-/**
- * Shutdown libtool.
- */
-void __attribute__ ((destructor))
-plugin_fini ()
-{
-  lt_dlsetsearchpath (old_dlsearchpath);
-  if (NULL != old_dlsearchpath)
-  {
-    GNUNET_free (old_dlsearchpath);
-    old_dlsearchpath = NULL;
-  }
-  lt_dlexit ();
-}
-
 
 /* end of mintdb_plugin.c */

src/util/plugin.c

@@ -0,0 +1,85 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2015 GNUnet e.V.
+
+  TALER 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.
+
+  TALER 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
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file util/plugin.c
+ * @brief Setup paths so that we can load Taler plugins
+ * @author Christian Grothoff
+ * @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ */
+
+/**
+ * Libtool search path before we started.
+ */
+static char *old_dlsearchpath;
+
+
+/**
+ * Setup libtool paths.
+ */
+void __attribute__ ((constructor))
+plugin_init ()
+{
+  int err;
+  const char *opath;
+  char *path;
+  char *cpath;
+
+  err = lt_dlinit ();
+  if (err > 0)
+  {
+    FPRINTF (stderr,
+             _("Initialization of plugin mechanism failed: %s!\n"),
+             lt_dlerror ());
+    return;
+  }
+  opath = lt_dlgetsearchpath ();
+  if (NULL != opath)
+    old_dlsearchpath = GNUNET_strdup (opath);
+  path = TALER_OS_installation_get_path (GNUNET_OS_IPK_LIBDIR);
+  if (NULL != path)
+  {
+    if (NULL != opath)
+    {
+      GNUNET_asprintf (&cpath, "%s:%s", opath, path);
+      lt_dlsetsearchpath (cpath);
+      GNUNET_free (path);
+      GNUNET_free (cpath);
+    }
+    else
+    {
+      lt_dlsetsearchpath (path);
+      GNUNET_free (path);
+    }
+  }
+}
+
+
+/**
+ * Shutdown libtool.
+ */
+void __attribute__ ((destructor))
+plugin_fini ()
+{
+  lt_dlsetsearchpath (old_dlsearchpath);
+  if (NULL != old_dlsearchpath)
+  {
+    GNUNET_free (old_dlsearchpath);
+    old_dlsearchpath = NULL;
+  }
+  lt_dlexit ();
+}
+
+/* end of plugin.c */