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string_list_find_insert_index() and string_list_insert_at_index() enables you to see if an item is in the string_list, and to insert at the appropriate index in the list, if not there. This is usefull if you need to manipulate an existing item, if present, and insert a new item if not. Future mailmap code will use this construct to enable complex (old_name, old_email) -> (new_name, new_email) lookups. The string_list_clear_func() allows to call a custom cleanup function on each item in a string_list, which is useful is the util member points to a complex structure. Signed-off-by: Marius Storm-Olsen <marius@trolltech.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
37 lines
1.5 KiB
C
37 lines
1.5 KiB
C
#ifndef PATH_LIST_H
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#define PATH_LIST_H
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struct string_list_item {
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char *string;
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void *util;
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};
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struct string_list
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{
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struct string_list_item *items;
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unsigned int nr, alloc;
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unsigned int strdup_strings:1;
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};
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void print_string_list(const char *text, const struct string_list *p);
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void string_list_clear(struct string_list *list, int free_util);
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/* Use this function to call a custom clear function on each util pointer */
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/* The string associated with the util pointer is passed as the second argument */
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typedef void (*string_list_clear_func_t)(void *p, const char *str);
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void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc);
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/* Use these functions only on sorted lists: */
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int string_list_has_string(const struct string_list *list, const char *string);
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int string_list_find_insert_index(const struct string_list *list, const char *string,
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int negative_existing_index);
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struct string_list_item *string_list_insert(const char *string, struct string_list *list);
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struct string_list_item *string_list_insert_at_index(int insert_at,
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const char *string, struct string_list *list);
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struct string_list_item *string_list_lookup(const char *string, struct string_list *list);
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/* Use these functions only on unsorted lists: */
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struct string_list_item *string_list_append(const char *string, struct string_list *list);
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void sort_string_list(struct string_list *list);
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int unsorted_string_list_has_string(struct string_list *list, const char *string);
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#endif /* PATH_LIST_H */
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