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string_list: add a new function, string_list_remove_duplicates()

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Add a function that deletes duplicate entries from a sorted
string_list.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2012-09-12 16:04:45 +02:00
committed by Junio C Hamano
parent eb5f0c7a61
commit 31d5451eed
5 changed files with 60 additions and 0 deletions
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7
string-list.h
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@ -48,6 +48,13 @@ struct string_list_item *string_list_insert_at_index(struct string_list *list,
int insert_at, const char *string);
struct string_list_item *string_list_lookup(struct string_list *list, const char *string);
/*
* Remove all but the first of consecutive entries with the same
* string value. If free_util is true, call free() on the util
* members of any items that have to be deleted.
*/
void string_list_remove_duplicates(struct string_list *sorted_list, int free_util);
/* Use these functions only on unsorted lists: */