*
* Linux Trace Toolkit Control Library
*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define _LGPL_SOURCE
return event;
error:
free(event);
+ event = NULL;
goto end;
}
const char **filter_expression)
{
int ret = 0;
- struct lttcomm_event_extended_header *ext_header;
+ struct lttng_event_extended *event_extended;
if (!event || !filter_expression) {
ret = -LTTNG_ERR_INVALID;
goto end;
}
- ext_header = event->extended.ptr;
-
- if (!ext_header) {
+ event_extended = (struct lttng_event_extended *) event->extended.ptr;
+ if (!event_extended) {
/*
* This can happen since the lttng_event structure is
* used for other tasks where this pointer is never set.
goto end;
}
- if (ext_header->filter_len) {
- *filter_expression = ((const char *) (ext_header)) +
- sizeof(*ext_header);
- } else {
- *filter_expression = NULL;
- }
-
+ *filter_expression = event_extended->filter_expression;
end:
return ret;
}
int lttng_event_get_exclusion_name_count(struct lttng_event *event)
{
- int ret;
- struct lttcomm_event_extended_header *ext_header;
+ int ret = 0;
+ struct lttng_event_extended *event_extended;
if (!event) {
ret = -LTTNG_ERR_INVALID;
goto end;
}
- ext_header = event->extended.ptr;
- if (!ext_header) {
+ event_extended = (struct lttng_event_extended *) event->extended.ptr;
+ if (!event_extended) {
/*
* This can happen since the lttng_event structure is
* used for other tasks where this pointer is never set.
*/
- ret = 0;
goto end;
}
- if (ext_header->nb_exclusions > INT_MAX) {
+ if (event_extended->exclusions.count > INT_MAX) {
ret = -LTTNG_ERR_OVERFLOW;
goto end;
}
- ret = (int) ext_header->nb_exclusions;
+ ret = (int) event_extended->exclusions.count;
end:
return ret;
}
size_t index, const char **exclusion_name)
{
int ret = 0;
- struct lttcomm_event_extended_header *ext_header;
- void *at;
+ struct lttng_event_extended *event_extended;
if (!event || !exclusion_name) {
ret = -LTTNG_ERR_INVALID;
goto end;
}
- ext_header = event->extended.ptr;
- if (!ext_header) {
- ret = -LTTNG_ERR_INVALID;
+ if (index > UINT_MAX) {
+ ret = -LTTNG_ERR_OVERFLOW;
goto end;
}
- if (index >= ext_header->nb_exclusions) {
+ event_extended = (struct lttng_event_extended *) event->extended.ptr;
+ if (!event_extended) {
+ /*
+ * This can happen since the lttng_event structure is
+ * used for other tasks where this pointer is never set.
+ */
ret = -LTTNG_ERR_INVALID;
goto end;
}
- at = (void *) ext_header + sizeof(*ext_header);
- at += ext_header->filter_len;
- at += index * LTTNG_SYMBOL_NAME_LEN;
- *exclusion_name = at;
+ if (index >= event_extended->exclusions.count) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+ *exclusion_name = event_extended->exclusions.strings +
+ (index * LTTNG_SYMBOL_NAME_LEN);
end:
return ret;
}
-struct lttng_userspace_probe_location *
-lttng_event_get_userspace_probe_location(struct lttng_event *event)
+const struct lttng_userspace_probe_location *
+lttng_event_get_userspace_probe_location(const struct lttng_event *event)
{
struct lttng_userspace_probe_location *probe_location = NULL;
struct lttng_event_extended *event_extended;