From eb5f0c7a616531a024a582b72ca6d8775ff98d46 Mon Sep 17 00:00:00 2001 From: Michael Haggerty Date: Wed, 12 Sep 2012 16:04:44 +0200 Subject: string_list: add a new function, filter_string_list() This function allows entries that don't match a specified criterion to be discarded from a string_list while preserving the order of the remaining entries. Signed-off-by: Michael Haggerty Signed-off-by: Junio C Hamano --- string-list.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'string-list.h') diff --git a/string-list.h b/string-list.h index dc5fbc80ac..7d18e622ec 100644 --- a/string-list.h +++ b/string-list.h @@ -29,6 +29,15 @@ int for_each_string_list(struct string_list *list, #define for_each_string_list_item(item,list) \ for (item = (list)->items; item < (list)->items + (list)->nr; ++item) +/* + * Apply want to each item in list, retaining only the ones for which + * the function returns true. If free_util is true, call free() on + * the util members of any items that have to be deleted. Preserve + * the order of the items that are retained. + */ +void filter_string_list(struct string_list *list, int free_util, + string_list_each_func_t want, void *cb_data); + /* Use these functions only on sorted lists: */ int string_list_has_string(const struct string_list *list, const char *string); -- cgit v1.2.1