X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Fevent.c;h=44e4864c02cdb0552663b4a57537df2b3dde75fb;hb=87597c2c3bbaa1502ad2025cbf16704829f3b464;hp=9413b7052ee80817360853669e9ec05e36546e13;hpb=de453daa7054455a39fac38fb74306fc12349f54;p=lttng-tools.git

diff --git a/src/lib/lttng-ctl/event.c b/src/lib/lttng-ctl/event.c
index 9413b7052..44e4864c0 100644
--- a/src/lib/lttng-ctl/event.c
+++ b/src/lib/lttng-ctl/event.c
@@ -54,6 +54,38 @@ error:
 	goto end;
 }
 
+struct lttng_event *lttng_event_copy(const struct lttng_event *event)
+{
+	struct lttng_event *new_event;
+	struct lttng_event_extended *new_event_extended;
+
+	new_event = zmalloc(sizeof(*event));
+	if (!event) {
+		PERROR("Error allocating event structure");
+		goto end;
+	}
+
+	/* Copy the content of the old event. */
+	memcpy(new_event, event, sizeof(*event));
+
+	/*
+	 * We need to create a new extended since the previous pointer is now
+	 * invalid.
+	 */
+	new_event_extended = zmalloc(sizeof(*new_event_extended));
+	if (!new_event_extended) {
+		PERROR("Error allocating event extended structure");
+		goto error;
+	}
+
+	new_event->extended.ptr = new_event_extended;
+end:
+	return new_event;
+error:
+	free(event);
+	goto end;
+}
+
 void lttng_event_destroy(struct lttng_event *event)
 {
 	struct lttng_event_extended *event_extended;
@@ -165,8 +197,8 @@ 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;