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string-list: document that string_list_insert() inserts unique strings

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Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Heiko Voigt 2012-03-29 09:21:22 +02:00 committed by Junio C Hamano
parent 8ced9c90a2
commit b8939b2b3a
1 changed files with 3 additions and 1 deletions
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4
Documentation/technical/api-string-list.txt
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@ -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