relayd: track stdio output file descriptors

[lttng-tools.git] / src / bin / lttng-relayd / cmd-2-4.c

diff --git a/src/bin/lttng-relayd/cmd-2-4.c b/src/bin/lttng-relayd/cmd-2-4.c
index aeb760a043f773a86ef9d417f31fe36f16854fda..008be4cf0db901b038e98f3398dc097861847ea4 100644 (file)
--- a/src/bin/lttng-relayd/cmd-2-4.c
+++ b/src/bin/lttng-relayd/cmd-2-4.c
@@ -52,9 +52,12 @@ int cmd_create_session_2_4(const struct lttng_buffer_view *payload,
                ret = -ENAMETOOLONG;
                ERR("Session name too long");
                goto error;
+       } else if (len == 0) {
+               ret = -EINVAL;
+               ERR("Session name can't be of length 0");
+               goto error;
        }
-       strncpy(session_name, session_info.session_name,
-                       sizeof(session_info.session_name));
+       strncpy(session_name, session_info.session_name, LTTNG_NAME_MAX);
 
        len = lttng_strnlen(session_info.hostname, sizeof(session_info.hostname));
        if (len == sizeof(session_info.hostname) || len >= LTTNG_HOST_NAME_MAX) {
@@ -62,8 +65,8 @@ int cmd_create_session_2_4(const struct lttng_buffer_view *payload,
                ERR("Session name too long");
                goto error;
        }
-       strncpy(hostname, session_info.hostname,
-                       sizeof(session_info.hostname));
+       strncpy(hostname, session_info.hostname, LTTNG_HOST_NAME_MAX);
+
        *live_timer = be32toh(session_info.live_timer);
        *snapshot = be32toh(session_info.snapshot);