1 files changed, 69 insertions, 0 deletions

diff --git a/src/util/configuration_loader.c b/src/util/configuration_loader.c
new file mode 100644
index 000000000..0b7f2865d
--- /dev/null
+++ b/src/util/configuration_loader.c
@@ -0,0 +1,69 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2006, 2007, 2008, 2009, 2013 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 3, 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., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file src/util/configuration_loader.c
+ * @brief configuration loading
+ * @author Christian Grothoff
+ */
+
+/**
+ * Load configuration (starts with defaults, then loads
+ * system-specific configuration).
+ *
+ * @param cfg configuration to update
+ * @param filename name of the configuration file, NULL to load defaults
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
+ */
+int
+GNUNET_CONFIGURATION_load (struct GNUNET_CONFIGURATION_Handle *cfg,
+                           const char *filename)
+{
+  char *baseconfig;
+  char *ipath;
+
+  ipath = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_DATADIR);
+  if (NULL == ipath)
+    return GNUNET_SYSERR;
+  baseconfig = NULL;
+  GNUNET_asprintf (&baseconfig, "%s%s", ipath, "config.d");
+  GNUNET_free (ipath);
+  if (GNUNET_SYSERR ==
+      GNUNET_DISK_directory_scan (baseconfig, &parse_configuration_file, cfg))
+  {
+    GNUNET_free (baseconfig);
+    return GNUNET_SYSERR;       /* no configuration at all found */
+  }
+  GNUNET_free (baseconfig);
+  if ((NULL != filename) &&
+      (GNUNET_OK != GNUNET_CONFIGURATION_parse (cfg, filename)))
+  {
+    /* specified configuration not found */
+    return GNUNET_SYSERR;
+  }
+  if (((GNUNET_YES !=
+        GNUNET_CONFIGURATION_have_value (cfg, "PATHS", "DEFAULTCONFIG"))) &&
+      (filename != NULL))
+    GNUNET_CONFIGURATION_set_value_string (cfg, "PATHS", "DEFAULTCONFIG",
+                                           filename);
+  return GNUNET_OK;
+}
+
+/* end of configuration_loader.c */