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string-list: new for_each_string_list() function

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Add a convenience function for iterating over a string_list's items via
a callback.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jay Soffian 2009-02-25 03:32:18 -05:00 committed by Junio C Hamano
parent 5f48cb95aa
commit c6f5a7a916
2 changed files with 15 additions and 0 deletions
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10
string-list.c
View File

@ -92,6 +92,16 @@ struct string_list_item *string_list_lookup(const char *string, struct string_li
return list->items + i; return list->items + i;
} }
int for_each_string_list(string_list_each_func_t fn,
struct string_list *list, void *cb_data)
{
int i, ret = 0;
for (i = 0; i < list->nr; i++)
if ((ret = fn(&list->items[i], cb_data)))
break;
return ret;
}
void string_list_clear(struct string_list *list, int free_util) void string_list_clear(struct string_list *list, int free_util)
{ {
if (list->items) { if (list->items) {

5
string-list.h
View File

@ -20,6 +20,11 @@ void string_list_clear(struct string_list *list, int free_util);
typedef void (*string_list_clear_func_t)(void *p, const char *str); typedef void (*string_list_clear_func_t)(void *p, const char *str);
void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc); void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc);
/* Use this function to iterate over each item */
typedef int (*string_list_each_func_t)(struct string_list_item *, void *);
int for_each_string_list(string_list_each_func_t,
struct string_list *list, void *cb_data);
/* Use these functions only on sorted lists: */ /* Use these functions only on sorted lists: */
int string_list_has_string(const struct string_list *list, const char *string); 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, int string_list_find_insert_index(const struct string_list *list, const char *string,