From: Heiko Voigt Date: Thu, 29 Mar 2012 07:21:22 GMT Subject: [PATCH v6 2/4] string-list: document that string_list_insert() inserts unique strings Message-ID: In-Reply-To: Signed-off-by: Heiko Voigt --- Documentation/technical/api-string-list.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/technical/api-string-list.txt b/Documentation/technical/api-string-list.txt index ce24eb9..5a0c14f 100644 --- a/Documentation/technical/api-string-list.txt +++ b/Documentation/technical/api-string-list.txt @@ -83,7 +83,9 @@ Functions Insert a new element to the string_list. The returned pointer can be handy if you want to write something to the `util` pointer of the - string_list_item containing the just added string. + string_list_item containing the just added string. If the given + string already exists the insertion will be skipped and the + pointer to the existing item returned. + Since this function uses xrealloc() (which die()s if it fails) if the list needs to grow, it is safe not to check the pointer. I.e. you may -- 1.7.10.rc2.31.gd8c60