From e448fed8e6ba9cd9237b7c8045c11cc40afc8595 Mon Sep 17 00:00:00 2001 From: Michael Haggerty Date: Wed, 12 Sep 2012 16:04:42 +0200 Subject: string_list: add function string_list_append_nodup() Add a new function that appends a string to a string_list without copying it. This can be used to pass ownership of an already-copied string to a string_list that has strdup_strings set. Signed-off-by: Michael Haggerty Signed-off-by: Junio C Hamano --- string-list.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'string-list.h') diff --git a/string-list.h b/string-list.h index 0684cb73bf..1b3915b741 100644 --- a/string-list.h +++ b/string-list.h @@ -29,6 +29,7 @@ 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) + /* Use these functions only on sorted lists: */ int string_list_has_string(const struct string_list *list, const char *string); int string_list_find_insert_index(const struct string_list *list, const char *string, @@ -38,11 +39,28 @@ 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); + /* Use these functions only on unsorted lists: */ + +/* + * Add string to the end of list. If list->strdup_string is set, then + * string is copied; otherwise the new string_list_entry refers to the + * input string. + */ struct string_list_item *string_list_append(struct string_list *list, const char *string); + +/* + * Like string_list_append(), except string is never copied. When + * list->strdup_strings is set, this function can be used to hand + * ownership of a malloc()ed string to list without making an extra + * copy. + */ +struct string_list_item *string_list_append_nodup(struct string_list *list, char *string); + void sort_string_list(struct string_list *list); int unsorted_string_list_has_string(struct string_list *list, const char *string); struct string_list_item *unsorted_string_list_lookup(struct string_list *list, const char *string); + void unsorted_string_list_delete_item(struct string_list *list, int i, int free_util); #endif /* STRING_LIST_H */ -- cgit v1.2.3