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Values API: standardize parameters and return values
[babeltrace.git]
/
include
/
babeltrace
/
values.h
diff --git
a/include/babeltrace/values.h
b/include/babeltrace/values.h
index 2f285cd588df2fee73744517d4373c6bda982188..eb98e9599f47cf77c77b27f37c39d7b04afaaf4c 100644
(file)
--- a/
include/babeltrace/values.h
+++ b/
include/babeltrace/values.h
@@
-41,13
+41,13
@@
extern "C" {
*/
enum bt_value_status {
/// Operation canceled.
*/
enum bt_value_status {
/// Operation canceled.
- BT_VALUE_STATUS_CANCELED
= -3
,
+ BT_VALUE_STATUS_CANCELED
= 125
,
- ///
General error
.
- BT_VALUE_STATUS_
ERROR = -1
,
+ ///
Cannot allocate memory
.
+ BT_VALUE_STATUS_
NOMEM = -12
,
/// Okay, no error.
/// Okay, no error.
- BT_VALUE_STATUS_OK
=
0,
+ BT_VALUE_STATUS_OK
=
0,
};
struct bt_value;
};
struct bt_value;
@@
-122,33
+122,38
@@
bt_bool bt_value_is_map(const struct bt_value *object)
return bt_value_get_type(object) == BT_VALUE_TYPE_MAP;
}
return bt_value_get_type(object) == BT_VALUE_TYPE_MAP;
}
-extern struct bt_private_value *bt_value_copy(const struct bt_value *object);
+extern enum bt_value_status bt_value_copy(struct bt_private_value **copy,
+ const struct bt_value *object);
extern bt_bool bt_value_compare(const struct bt_value *object_a,
const struct bt_value *object_b);
extern bt_bool bt_value_compare(const struct bt_value *object_a,
const struct bt_value *object_b);
-extern enum bt_value_status bt_value_bool_get(
- const struct bt_value *bool_obj, bt_bool *val);
+extern bt_bool bt_value_bool_get(const struct bt_value *bool_obj);
-extern enum bt_value_status bt_value_integer_get(
- const struct bt_value *integer_obj, int64_t *val);
+extern int64_t bt_value_integer_get(const struct bt_value *integer_obj);
-extern enum bt_value_status bt_value_real_get(
- const struct bt_value *real_obj, double *val);
+extern double bt_value_real_get(const struct bt_value *real_obj);
-extern enum bt_value_status bt_value_string_get(
- const struct bt_value *string_obj, const char **val);
+extern const char *bt_value_string_get(const struct bt_value *string_obj);
-extern int64_t bt_value_array_get_size(const struct bt_value *array_obj);
+extern
u
int64_t bt_value_array_get_size(const struct bt_value *array_obj);
-extern bt_bool bt_value_array_is_empty(const struct bt_value *array_obj);
+static inline
+bt_bool bt_value_array_is_empty(const struct bt_value *array_obj)
+{
+ return bt_value_array_get_size(array_obj) == 0;
+}
extern struct bt_value *bt_value_array_borrow_element_by_index(
const struct bt_value *array_obj, uint64_t index);
extern struct bt_value *bt_value_array_borrow_element_by_index(
const struct bt_value *array_obj, uint64_t index);
-extern int64_t bt_value_map_get_size(const struct bt_value *map_obj);
+extern
u
int64_t bt_value_map_get_size(const struct bt_value *map_obj);
-extern bt_bool bt_value_map_is_empty(const struct bt_value *map_obj);
+static inline
+bt_bool bt_value_map_is_empty(const struct bt_value *map_obj)
+{
+ return bt_value_map_get_size(map_obj) == 0;
+}
extern struct bt_value *bt_value_map_borrow_entry_value(
const struct bt_value *map_obj, const char *key);
extern struct bt_value *bt_value_map_borrow_entry_value(
const struct bt_value *map_obj, const char *key);
@@
-163,7
+168,8
@@
extern enum bt_value_status bt_value_map_foreach_entry(
extern bt_bool bt_value_map_has_entry(const struct bt_value *map_obj,
const char *key);
extern bt_bool bt_value_map_has_entry(const struct bt_value *map_obj,
const char *key);
-extern struct bt_private_value *bt_value_map_extend(
+extern enum bt_value_status bt_value_map_extend(
+ struct bt_private_value **extended_map_obj,
struct bt_value *base_map_obj,
struct bt_value *extension_map_obj);
struct bt_value *base_map_obj,
struct bt_value *extension_map_obj);
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