Return 0 not NULL in substr functions

diff --git a/src/lib/util/dict.c b/src/lib/util/dict.c
index 0aa0b150c637e874dd166af0c808d40241db73e6..9c221f0e6efd65c27757b4ab02f0076e04e1b785 100644 (file)
--- a/src/lib/util/dict.c
+++ b/src/lib/util/dict.c
@@ -2893,7 +2893,7 @@ ssize_t fr_dict_by_protocol_substr(fr_dict_t **out, char const *name)
        char const              *p;
        size_t                  len;
 
-       if (!protocol_by_name || !name || !*name) return NULL;
+       if (!protocol_by_name || !name || !*name) return 0;
 
        memset(&root, 0, sizeof(root));
 
@@ -3224,7 +3224,7 @@ ssize_t fr_dict_attr_by_name_substr(fr_dict_attr_t const **out, fr_dict_t const
        char const              *p;
        size_t                  len;
 
-       if (!name || !*name) return NULL;
+       if (!name || !*name) return 0;
        INTERNAL_IF_NULL(dict);
 
        memset(&find, 0, sizeof(find));