diff -r bf3695fee719 -r 481802342fdf libidav/webdav.h
--- a/libidav/webdav.h	Mon Feb 04 14:11:57 2019 +0100
+++ b/libidav/webdav.h	Mon Feb 04 17:17:48 2019 +0100
@@ -249,7 +249,7 @@
 
 DavResource* dav_query(DavSession *sn, char *query, ...);
 
-UcxKey dav_property_key(char *ns, char *name);
+sstr_t dav_property_key(const char *ns, const char *name);
 void dav_get_property_namespace_str(
         DavContext *ctx,
         char *prefixed_name,
@@ -288,7 +288,7 @@
 int dav_unlock(DavResource *res);
 
 DavXmlNode* dav_get_property(DavResource *res, char *name);
-DavXmlNode* dav_get_property_ns(DavResource *res, char *ns, char *name);
+DavXmlNode* dav_get_property_ns(DavResource *res, const char *ns, const char *name);
 char* dav_get_string_property(DavResource *res, char *name);
 char* dav_get_string_property_ns(DavResource *res, char *ns, char *name);
 void dav_set_string_property(DavResource *res, char *name, char *value);