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-rw-r--r--src/vlib/unix/cli.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/vlib/unix/cli.c b/src/vlib/unix/cli.c
index 0a8041e4ac4..b0ed9d2db14 100644
--- a/src/vlib/unix/cli.c
+++ b/src/vlib/unix/cli.c
@@ -3089,9 +3089,11 @@ unix_cli_config (vlib_main_t * vm, unformat_input_t * input)
clib_panic ("sigaction");
/* Retrieve the current terminal size */
- ioctl (STDIN_FILENO, TIOCGWINSZ, &ws);
- cf->width = ws.ws_col;
- cf->height = ws.ws_row;
+ if (ioctl (STDIN_FILENO, TIOCGWINSZ, &ws) == 0)
+ {
+ cf->width = ws.ws_col;
+ cf->height = ws.ws_row;
+ }
if (cf->width == 0 || cf->height == 0)
{
@@ -3328,7 +3330,7 @@ unix_cli_exec (vlib_main_t * vm,
unformat_free (&sub_input);
done:
- if (fd > 0)
+ if (fd >= 0)
close (fd);
vec_free (file_name);