Fix: sessiond: handle NULL control output in session descriptor base path getter

[lttng-tools.git] / src / common / session-descriptor.c

diff --git a/src/common/session-descriptor.c b/src/common/session-descriptor.c
index 6f0a357e3e04a25eee7173e08a31c5114e4eefa4..208eb46ffa8593bb978a6f7c87a7c83b37661c3b 100644 (file)
--- a/src/common/session-descriptor.c
+++ b/src/common/session-descriptor.c
@@ -1178,3 +1178,26 @@ int lttng_session_descriptor_assign(
 end:
        return ret;
 }
+
+LTTNG_HIDDEN
+int lttng_session_descriptor_get_base_path(struct lttng_session_descriptor *dst,
+               const char **_base_path)
+{
+       switch (dst->output_type) {
+       case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK:
+       {
+               if (dst->output.network.control &&
+                               dst->output.network.control->subdir[0]) {
+                       *_base_path = dst->output.network.control->subdir;
+               } else {
+                       *_base_path = NULL;
+               }
+               break;
+       }
+       case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL:
+       case LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE:
+               *_base_path = NULL;
+               break;
+       }
+       return 0;
+}