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Added array_list_del_idx and json_object_array_del_idx

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This commit is contained in:
Mark Swoope
2015-04-02 14:05:27 -07:00
parent 68d856f618
commit cdca9d3c8e
4 changed files with 34 additions and 0 deletions
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15
arraylist.c
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@@ -106,3 +106,18 @@ array_list_length(struct array_list *arr)
{
return arr->length;
}
int
array_list_del_idx( struct array_list *arr, int idx, int count )
{
int i, stop;
stop = idx + count;
if ( idx >= arr->length || stop > arr->length ) return -1;
for ( i = idx; i < stop; ++i ) {
if ( arr->array[i] ) arr->free_fn( arr->array[i] );
}
memmove( arr->array + idx, arr->array + stop, (arr->length - stop) * sizeof(void*) );
arr->length -= count;
return 0;
}

2
arraylist.h
View File

@@ -53,6 +53,8 @@ extern void* array_list_bsearch(const void **key,
struct array_list *arr,
int (*sort_fn)(const void *, const void *));
extern int
array_list_del_idx(struct array_list *arr, int i, int count);
#ifdef __cplusplus
}

4
json_object.c
View File

@@ -926,3 +926,7 @@ struct json_object* json_object_array_get_idx(struct json_object *jso,
return (struct json_object*)array_list_get_idx(jso->o.c_array, idx);
}
int json_object_array_del_idx(struct json_object *jso, int idx, int count)
{
return array_list_del_idx(jso->o.c_array, idx, count);
}

13
json_object.h
View File

@@ -464,6 +464,19 @@ extern int json_object_array_put_idx(struct json_object *obj, int idx,
extern struct json_object* json_object_array_get_idx(struct json_object *obj,
int idx);
/** Delete an elements from a specified index in an array (a json_object of type json_type_array)
*
* The reference count will be decremented for each of the deleted objects. If there
* are no more owners of an element that is being deleted, then the value is
* freed. Otherwise, the reference to the value will remain in memory.
*
* @param obj the json_object instance
* @param idx the index to start deleting elements at
* @param count the number of elements to delete
* @returns 0 if the elements were successfully deleted
*/
extern int json_object_array_del_idx(struct json_object *obj, int idx, int count);
/* json_bool type methods */
/** Create a new empty json_object of type json_type_boolean