[fix] check that second double metaphone alternative is not the empty string

2018-02-06 03:08:37 -05:00
parent 3a5c048419
commit 156c8bed40
1 changed files with 1 additions and 1 deletions
--- a/src/near_dupe.c
+++ b/src/near_dupe.c
@@ -259,7 +259,7 @@ static inline bool add_double_metaphone_to_array_if_unique(char *str, cstring_ar
    if (!string_equals(dm_primary, "")) {
        add_quadgrams_or_string_to_array_if_unique(dm_primary, strings, unique_strings, ngrams);

-        if (!string_equals(dm_secondary, dm_primary)) {
+        if (!string_equals(dm_secondary, dm_primary) && !string_equals(dm_secondary, "")) {
            add_quadgrams_or_string_to_array_if_unique(dm_secondary, strings, unique_strings, ngrams);
        }
    }