libosmovty: simplify condition checking vty->fd in vty_close()
On POSIX systems, standard I/O streams - stdin, stdout, and stderr,
always have default file descriptors 0, 1, and 2 respectively.
Change-Id: Ied35d142af0ba0f5ad78975b8f22c35b32d6ff71
diff --git a/src/vty/vty.c b/src/vty/vty.c
index 8cc2a3a..ebdf9fc 100644
--- a/src/vty/vty.c
+++ b/src/vty/vty.c
@@ -231,8 +231,8 @@
/* Unset vector. */
vector_unset(vtyvec, vty->fd);
- /* Close socket. */
- if (vty->fd > 0 && vty->fd != fileno(stderr)) {
+ /* Close socket (ignore standard I/O streams). */
+ if (vty->fd > 2) {
close(vty->fd);
vty->fd = -1;
}