diff options
Diffstat (limited to 'object.h')
| -rw-r--r-- | object.h | 38 |
1 files changed, 35 insertions, 3 deletions
@@ -11,7 +11,13 @@ struct object_array { unsigned int alloc; struct object_array_entry { struct object *item; - const char *name; + /* + * name or NULL. If non-NULL, the memory pointed to + * is owned by this object *except* if it points at + * object_array_slopbuf, which is a static copy of the + * empty string. + */ + char *name; unsigned mode; } *objects; }; @@ -54,9 +60,20 @@ struct object *lookup_object(const unsigned char *sha1); extern void *create_object(const unsigned char *sha1, int type, void *obj); -/** Returns the object, having parsed it to find out what it is. **/ +/* + * Returns the object, having parsed it to find out what it is. + * + * Returns NULL if the object is missing or corrupt. + */ struct object *parse_object(const unsigned char *sha1); +/* + * Like parse_object, but will die() instead of returning NULL. If the + * "name" parameter is not NULL, it is included in the error message + * (otherwise, the sha1 hex is given). + */ +struct object *parse_object_or_die(const unsigned char *sha1, const char *name); + /* Given the result of read_sha1_file(), returns the object after * parsing it. eaten_p indicates if the object has a borrowed copy * of buffer and the caller should not free() it. @@ -74,7 +91,22 @@ int object_list_contains(struct object_list *list, struct object *obj); /* Object array handling .. */ void add_object_array(struct object *obj, const char *name, struct object_array *array); void add_object_array_with_mode(struct object *obj, const char *name, struct object_array *array, unsigned mode); -void object_array_remove_duplicates(struct object_array *); + +typedef int (*object_array_each_func_t)(struct object_array_entry *, void *); + +/* + * Apply want to each entry in array, retaining only the entries for + * which the function returns true. Preserve the order of the entries + * that are retained. + */ +void object_array_filter(struct object_array *array, + object_array_each_func_t want, void *cb_data); + +/* + * Remove from array all but the first entry with a given name. + * Warning: this function uses an O(N^2) algorithm. + */ +void object_array_remove_duplicates(struct object_array *array); void clear_object_flags(unsigned flags); |