Manpage: cleanup layout of set-session

[lttng-tools.git] / src / bin / lttng / commands / set_session.c

diff --git a/src/bin/lttng/commands/set_session.c b/src/bin/lttng/commands/set_session.c
index a428aed16ce239257253ae2f1fd7178fc4ff69e8..4238016e40867c897299678d41097e2e497b33c6 100644 (file)
--- a/src/bin/lttng/commands/set_session.c
+++ b/src/bin/lttng/commands/set_session.c
@@ -45,7 +45,7 @@ static struct poptOption long_options[] = {
  */
 static void usage(FILE *ofp)
 {
-       fprintf(ofp, "usage: lttng set-session NAME\n");
+       fprintf(ofp, "usage: lttng set-session NAME [OPTIONS]\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "Options:\n");
        fprintf(ofp, "  -h, --help               Show this help\n");
@@ -60,6 +60,13 @@ static int set_session(void)
 {
        int ret = CMD_SUCCESS;
 
+       if (opt_session_name && strlen(opt_session_name) > NAME_MAX) {
+               ERR("Session name too long. Length must be lower or equal to %d",
+                       NAME_MAX);
+               ret = CMD_ERROR;
+               goto error;
+       }
+
        ret = config_init(opt_session_name);
        if (ret < 0) {
                ERR("Unable to set session name");