fix NIL case

diff --git a/src/mod/event_handlers/mod_erlang_event/ei_helpers.c b/src/mod/event_handlers/mod_erlang_event/ei_helpers.c
index 0206f37718e107d7360cdefbff68fedaf2982c52..9d39b725d7a86d46bf5c85a23dfc7e8f2e42cbf4 100644 (file)
--- a/src/mod/event_handlers/mod_erlang_event/ei_helpers.c
+++ b/src/mod/event_handlers/mod_erlang_event/ei_helpers.c
@@ -305,6 +305,11 @@ int ei_decode_string_or_binary(char *buf, int *index, int maxlen, char *dst)
 
        ei_get_type(buf, index, &type, &size);
 
+       if (type == ERL_NIL_EXT || size == 0) {
+               dst[0] = '\0';
+               return 0;
+       }
+
        if (type != ERL_STRING_EXT && type != ERL_BINARY_EXT) {
                return -1;
        } else if (size > maxlen) {