ifcfg-rh: add svFindFirstKeyWithPrefix() function

2 files changed, 24 insertions, 0 deletions

diff --git a/src/settings/plugins/ifcfg-rh/shvar.c b/src/settings/plugins/ifcfg-rh/shvar.c
index 365e240bf4..67b1a9afa5 100644
--- a/src/settings/plugins/ifcfg-rh/shvar.c
+++ b/src/settings/plugins/ifcfg-rh/shvar.c
@@ -891,6 +891,28 @@ svGetKeys (shvarFile *s)
 
 /*****************************************************************************/
 
+const char *
+svFindFirstKeyWithPrefix (shvarFile *s, const char *key_prefix)
+{
+	CList *current;
+	const shvarLine *l;
+
+	g_return_val_if_fail (s, NULL);
+	g_return_val_if_fail (key_prefix, NULL);
+
+	c_list_for_each (current, &s->lst_head) {
+		l = c_list_entry (current, shvarLine, lst);
+		if (   l->key
+		    && l->line
+		    && g_str_has_prefix (l->key, key_prefix))
+			return l->key;
+	}
+
+	return NULL;
+}
+
+/*****************************************************************************/
+
 static const char *
 _svGetValue (shvarFile *s, const char *key, char **to_free)
 {
diff --git a/src/settings/plugins/ifcfg-rh/shvar.h b/src/settings/plugins/ifcfg-rh/shvar.h
index e9519d287b..1904ed256d 100644
--- a/src/settings/plugins/ifcfg-rh/shvar.h
+++ b/src/settings/plugins/ifcfg-rh/shvar.h
@@ -44,6 +44,8 @@ shvarFile *svCreateFile (const char *name);
 /* Open the file <name>, return shvarFile on success, NULL on failure */
 shvarFile *svOpenFile (const char *name, GError **error);
 
+const char *svFindFirstKeyWithPrefix (shvarFile *s, const char *key_prefix);
+
 /* Get the value associated with the key, and leave the current pointer
  * pointing at the line containing the value.  The char* returned MUST
  * be freed by the caller.