Clean-up: modernize pretty_xml.cpp

[lttng-tools.git] / include / lttng / event-field-value.h

diff --git a/include/lttng/event-field-value.h b/include/lttng/event-field-value.h
index db4a4fb3b5c2a86da020d7483206cfd0031835eb..7f10deec31c544e6bb47366f05bcaaa5dd23f9a7 100644 (file)
--- a/include/lttng/event-field-value.h
+++ b/include/lttng/event-field-value.h
@@ -8,6 +8,8 @@
 #ifndef LTTNG_EVENT_FIELD_VALUE_H
 #define LTTNG_EVENT_FIELD_VALUE_H
 
+#include <lttng/lttng-export.h>
+
 #include <stdint.h>
 
 struct lttng_event_field_value;
@@ -103,8 +105,8 @@ enum lttng_event_field_value_status {
  * `LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID`:
  *     `field_val` is `NULL`.
  */
-extern enum lttng_event_field_value_type lttng_event_field_value_get_type(
-               const struct lttng_event_field_value *field_val);
+LTTNG_EXPORT extern enum lttng_event_field_value_type
+lttng_event_field_value_get_type(const struct lttng_event_field_value *field_val);
 
 /*
  * Sets `*val` to the raw value of the unsigned integer/enumeration
@@ -122,9 +124,9 @@ extern enum lttng_event_field_value_type lttng_event_field_value_get_type(
  *       `LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM`.
  *     * `val` is `NULL`.
  */
-extern enum lttng_event_field_value_status
-lttng_event_field_value_unsigned_int_get_value(
-               const struct lttng_event_field_value *field_val, uint64_t *val);
+LTTNG_EXPORT extern enum lttng_event_field_value_status
+lttng_event_field_value_unsigned_int_get_value(const struct lttng_event_field_value *field_val,
+                                              uint64_t *val);
 
 /*
  * Sets `*val` to the raw value of the signed integer/enumeration event
@@ -142,9 +144,9 @@ lttng_event_field_value_unsigned_int_get_value(
  *       `LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM`.
  *     * `val` is `NULL`.
  */
-extern enum lttng_event_field_value_status
-lttng_event_field_value_signed_int_get_value(
-               const struct lttng_event_field_value *field_val, int64_t *val);
+LTTNG_EXPORT extern enum lttng_event_field_value_status
+lttng_event_field_value_signed_int_get_value(const struct lttng_event_field_value *field_val,
+                                            int64_t *val);
 
 /*
  * Sets `*val` to the raw value of the real event field value
@@ -161,20 +163,25 @@ lttng_event_field_value_signed_int_get_value(
  *       `LTTNG_EVENT_FIELD_VALUE_TYPE_REAL`.
  *     * `val` is `NULL`.
  */
-extern enum lttng_event_field_value_status
-lttng_event_field_value_real_get_value(
-               const struct lttng_event_field_value *field_val, double *val);
+LTTNG_EXPORT extern enum lttng_event_field_value_status
+lttng_event_field_value_real_get_value(const struct lttng_event_field_value *field_val,
+                                      double *val);
 
 /*
  * Returns the raw value (an UTF-8 C string) of the string event field
  * value `field_val`, or `NULL` if:
  *
- * * `field_val` is `NULL`.
- * * The type of `field_val` is not
- *   `LTTNG_EVENT_FIELD_VALUE_TYPE_STRING`.
+ * `LTTNG_EVENT_FIELD_VALUE_STATUS_OK`:
+ *     Success.
+ *
+ * `LTTNG_EVENT_FIELD_VALUE_STATUS_INVALID`:
+ *     * `field_val` is `NULL`.
+ *     * The type of `field_val` is not
+ *       `LTTNG_EVENT_FIELD_VALUE_TYPE_STRING`.
  */
-extern const char *lttng_event_field_value_string_get_value(
-               const struct lttng_event_field_value *field_val);
+LTTNG_EXPORT extern enum lttng_event_field_value_status
+lttng_event_field_value_string_get_value(const struct lttng_event_field_value *field_val,
+                                        const char **value);
 
 /*
  * Sets `*length` to the length (the number of contained elements) of
@@ -191,10 +198,9 @@ extern const char *lttng_event_field_value_string_get_value(
  *       `LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY`.
  *     * `length` is `NULL`.
  */
-extern enum lttng_event_field_value_status
-lttng_event_field_value_array_get_length(
-               const struct lttng_event_field_value *field_val,
-               unsigned int *length);
+LTTNG_EXPORT extern enum lttng_event_field_value_status
+lttng_event_field_value_array_get_length(const struct lttng_event_field_value *field_val,
+                                        unsigned int *length);
 
 /*
  * Sets `*elem_field_val` to the event field value at index `index` in
@@ -216,11 +222,11 @@ lttng_event_field_value_array_get_length(
  *     * No event field value exists at index `index` within
  *       `field_val`.
  */
-extern enum lttng_event_field_value_status
+LTTNG_EXPORT extern enum lttng_event_field_value_status
 lttng_event_field_value_array_get_element_at_index(
-               const struct lttng_event_field_value *field_val,
-               unsigned int index,
-               const struct lttng_event_field_value **elem_field_val);
+       const struct lttng_event_field_value *field_val,
+       unsigned int index,
+       const struct lttng_event_field_value **elem_field_val);
 
 #ifdef __cplusplus
 }