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| author | Michael Haggerty <mhagger@alum.mit.edu> | 2012-09-12 18:04:45 +0400 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-09-12 22:43:25 +0400 |
| commit | 31d5451eed2677531c80177ff9dc8f5285f5a187 (patch) | |
| tree | bd709b58ba3096867e2f6166f516773b67aad0e1 /string-list.c | |
| parent | eb5f0c7a616531a024a582b72ca6d8775ff98d46 (diff) | |
string_list: add a new function, string_list_remove_duplicates()
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>
Diffstat (limited to 'string-list.c')
| -rw-r--r-- | string-list.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/string-list.c b/string-list.c index 179fde4210..decfa747fc 100644 --- a/string-list.c +++ b/string-list.c @@ -92,6 +92,23 @@ struct string_list_item *string_list_lookup(struct string_list *list, const char return list->items + i; } +void string_list_remove_duplicates(struct string_list *list, int free_util) +{ + if (list->nr > 1) { + int src, dst; + for (src = dst = 1; src < list->nr; src++) { + if (!strcmp(list->items[dst - 1].string, list->items[src].string)) { + if (list->strdup_strings) + free(list->items[src].string); + if (free_util) + free(list->items[src].util); + } else + list->items[dst++] = list->items[src]; + } + list->nr = dst; + } +} + int for_each_string_list(struct string_list *list, string_list_each_func_t fn, void *cb_data) { |