trace-cmd: Do not print double \n

When trace_printk or trace_marker is used, it may end with a '\n'.
Do not print out a double '\n'. If the user wants two '\n' then the
trace_printk or trace_marker should specify two.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/trace-read.c b/trace-read.c
index 37a7bc4..d87a89d 100644
--- a/trace-read.c
+++ b/trace-read.c
@@ -491,6 +491,8 @@ static void show_data(struct tracecmd_input *handle,
                 trace_seq_printf(&s, "CPU:%d [EVENTS DROPPED]\n",
                                  record->cpu);
         pevent_print_event(pevent, &s, record);
+        if (s.len && *(s.buffer + s.len - 1) == '\n')
+                s.len--;
         trace_seq_do_printf(&s);
         trace_seq_destroy(&s);