From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Thu, 24 Sep 2009 15:32:29 +0000 (+0200)
Subject: src/configfile.[ch]: Implement "cf_util_get_string".
X-Git-Tag: collectd-4.9.0~73^2~34
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=275bc6640dfc2ba747dd64884d9e91191f06fa82

src/configfile.[ch]: Implement "cf_util_get_string".
---

diff --git a/src/configfile.c b/src/configfile.c
index d401a2e1..df042894 100644
--- a/src/configfile.c
+++ b/src/configfile.c
@@ -917,3 +917,28 @@ int cf_read (char *filename)
 
 	return (0);
 } /* int cf_read */
+
+/* Assures the config option is a string, duplicates it and returns the copy in
+ * "ret_string". If necessary "*ret_string" is freed first. Returns zero upon
+ * success. */
+int cf_util_get_string (const oconfig_item_t *ci, char **ret_string) /* {{{ */
+{
+	char *string;
+
+	if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+	{
+		ERROR ("cf_util_get_string: The %s plugin requires "
+				"exactly one string argument.", ci->key);
+		return (-1);
+	}
+
+	string = strdup (ci->values[0].value.string);
+	if (string == NULL)
+		return (-1);
+
+	if (*ret_string != NULL)
+		sfree (*ret_string);
+	*ret_string = string;
+
+	return (0);
+} /* }}} int cf_util_get_string */
diff --git a/src/configfile.h b/src/configfile.h
index 3952c180..aca58770 100644
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -86,4 +86,9 @@ int cf_read (char *filename);
 int global_option_set (const char *option, const char *value);
 const char *global_option_get (const char *option);
 
+/* Assures the config option is a string, duplicates it and returns the copy in
+ * "ret_string". If necessary "*ret_string" is freed first. Returns zero upon
+ * success. */
+int cf_util_get_string (const oconfig_item_t *ci, char **ret_string);
+
 #endif /* defined(CONFIGFILE_H) */