X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fdynamic-array.h;h=483db363122ebbc5a6339cd5ec144a2181922066;hp=a5e4f7fb530806a9f0fc61eb93c95bc805c2d713;hb=14c4262b940630bbb75f68b8c2eaef2b134a62d9;hpb=2c5ff4e47394f9588ac1a0ab50e8fbdf36727cbe diff --git a/src/common/dynamic-array.h b/src/common/dynamic-array.h index a5e4f7fb5..483db3631 100644 --- a/src/common/dynamic-array.h +++ b/src/common/dynamic-array.h @@ -21,26 +21,28 @@ #include #include +typedef void (*lttng_dynamic_array_element_destructor)(void *element); +typedef void (*lttng_dynamic_pointer_array_destructor)(void *ptr); + struct lttng_dynamic_array { struct lttng_dynamic_buffer buffer; size_t element_size; size_t size; + lttng_dynamic_array_element_destructor destructor; }; struct lttng_dynamic_pointer_array { struct lttng_dynamic_array array; }; -typedef void (*lttng_dynamic_array_element_destructor)(void *element); -typedef void (*lttng_dynamic_pointer_array_destructor)(void *ptr); - /* * Initialize a resizable array of fixed-size elements. This performs no * allocation and can't fail. */ LTTNG_HIDDEN void lttng_dynamic_array_init(struct lttng_dynamic_array *array, - size_t element_size); + size_t element_size, + lttng_dynamic_array_element_destructor destructor); /* * Returns the number of elements in the dynamic array. @@ -74,10 +76,18 @@ LTTNG_HIDDEN int lttng_dynamic_array_add_element(struct lttng_dynamic_array *array, const void *element); +/* + * Remove an element from the dynamic array. The array's element count is + * decreased by one and the following elements are shifted to take its place + * (when applicable). + */ +LTTNG_HIDDEN +int lttng_dynamic_array_remove_element(struct lttng_dynamic_array *array, + size_t element_index); + /* Release any memory used by the dynamic array. */ LTTNG_HIDDEN -void lttng_dynamic_array_reset(struct lttng_dynamic_array *array, - lttng_dynamic_array_element_destructor destructor); +void lttng_dynamic_array_reset(struct lttng_dynamic_array *array); /* @@ -93,7 +103,8 @@ void lttng_dynamic_array_reset(struct lttng_dynamic_array *array, */ LTTNG_HIDDEN void lttng_dynamic_pointer_array_init( - struct lttng_dynamic_pointer_array *array); + struct lttng_dynamic_pointer_array *array, + lttng_dynamic_pointer_array_destructor destructor); /* * Returns the number of pointers in the dynamic pointer array. @@ -106,8 +117,7 @@ size_t lttng_dynamic_pointer_array_get_count( } /* - * Returns a pointer to the element. Mutating operations on the array invalidate - * the returned pointer. + * Returns the pointer at index `index`. */ static inline void *lttng_dynamic_pointer_array_get_pointer( @@ -130,10 +140,18 @@ int lttng_dynamic_pointer_array_add_pointer( return lttng_dynamic_array_add_element(&array->array, &pointer); } +/* + * Remove a pointer from a dynamic pointer array. The array's element + * count is decreased by one and the following pointers are shifted to + * take the place of the removed pointer (if applicable). + */ +LTTNG_HIDDEN +int lttng_dynamic_pointer_array_remove_pointer( + struct lttng_dynamic_pointer_array *array, size_t index); + /* Release any memory used by the dynamic array. */ LTTNG_HIDDEN void lttng_dynamic_pointer_array_reset( - struct lttng_dynamic_pointer_array *array, - lttng_dynamic_pointer_array_destructor destructor); + struct lttng_dynamic_pointer_array *array); #endif /* LTTNG_DYNAMIC_ARRAY_H */