string-list.hon commit archive: refactor file extension format-guessing (08716b3)
   1#ifndef STRING_LIST_H
   2#define STRING_LIST_H
   3
   4struct string_list_item {
   5        char *string;
   6        void *util;
   7};
   8struct string_list {
   9        struct string_list_item *items;
  10        unsigned int nr, alloc;
  11        unsigned int strdup_strings:1;
  12};
  13
  14#define STRING_LIST_INIT_NODUP { NULL, 0, 0, 0 }
  15#define STRING_LIST_INIT_DUP   { NULL, 0, 0, 1 }
  16
  17void print_string_list(const struct string_list *p, const char *text);
  18void string_list_clear(struct string_list *list, int free_util);
  19
  20/* Use this function to call a custom clear function on each util pointer */
  21/* The string associated with the util pointer is passed as the second argument */
  22typedef void (*string_list_clear_func_t)(void *p, const char *str);
  23void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc);
  24
  25/* Use this function or the macro below to iterate over each item */
  26typedef int (*string_list_each_func_t)(struct string_list_item *, void *);
  27int for_each_string_list(struct string_list *list,
  28                         string_list_each_func_t, void *cb_data);
  29#define for_each_string_list_item(item,list) \
  30        for (item = (list)->items; item < (list)->items + (list)->nr; ++item)
  31
  32/* Use these functions only on sorted lists: */
  33int string_list_has_string(const struct string_list *list, const char *string);
  34int string_list_find_insert_index(const struct string_list *list, const char *string,
  35                                  int negative_existing_index);
  36struct string_list_item *string_list_insert(struct string_list *list, const char *string);
  37struct string_list_item *string_list_insert_at_index(struct string_list *list,
  38                                                     int insert_at, const char *string);
  39struct string_list_item *string_list_lookup(struct string_list *list, const char *string);
  40
  41/* Use these functions only on unsorted lists: */
  42struct string_list_item *string_list_append(struct string_list *list, const char *string);
  43void sort_string_list(struct string_list *list);
  44int unsorted_string_list_has_string(struct string_list *list, const char *string);
  45struct string_list_item *unsorted_string_list_lookup(struct string_list *list,
  46                                                     const char *string);
  47#endif /* STRING_LIST_H */