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-rw-r--r--src/util/config.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/util/config.c b/src/util/config.c
new file mode 100644
index 000000000..e65a144ab
--- /dev/null
+++ b/src/util/config.c
@@ -0,0 +1,57 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2014-2020 Taler Systems SA
+
+ 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, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file config.c
+ * @brief configuration parsing functions for Taler-specific data types
+ * @author Florian Dold
+ * @author Benedikt Mueller
+ */
+#include "platform.h"
+#include "taler_util.h"
+
+
+/**
+ * Obtain denomination amount from configuration file.
+ *
+ * @param cfg configuration to use
+ * @param section section of the configuration to access
+ * @param option option of the configuration to access
+ * @param[out] denom set to the amount found in configuration
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
+ */
+int
+TALER_config_get_denom (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *section,
+ const char *option,
+ struct TALER_Amount *denom)
+{
+ char *str;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ section,
+ option,
+ &str))
+ return GNUNET_NO;
+ if (GNUNET_OK != TALER_string_to_amount (str,
+ denom))
+ {
+ GNUNET_free (str);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_free (str);
+ return GNUNET_OK;
+}