--- freebsd.c.orig	2018-07-17 13:22:11 UTC

+++ freebsd.c

@@ -327,9 +327,8 @@ SP_PRIV enum sp_return list_ports(struct sp_port ***li

 	DIR *dir;

 	struct dirent entry;

 	struct dirent *result;

-	struct termios tios;

 	char name[PATH_MAX];

-	int fd, ret;

+	int ret;

 	DEBUG("Enumerating tty devices");

 	if (!(dir = opendir("/dev")))

@@ -353,21 +352,10 @@ SP_PRIV enum sp_return list_ports(struct sp_port ***li

 		DEBUG_FMT("Found device %s", name);

 		/* Check that we can open tty/cua device in rw mode - we need that. */

-		if ((fd = open(name, O_RDWR | O_NONBLOCK | O_NOCTTY | O_TTY_INIT | O_CLOEXEC)) < 0) {

-			DEBUG("Open failed, skipping");

+		if (access(name, R_OK | W_OK) != 0) {

+			DEBUG("access(2) check failed, skipping");

 			continue;

 		}

-

-		/* Sanity check if we got a real tty. */

-		if (!isatty(fd)) {

-			close(fd);

-			continue;

-		}

-

-		ret = tcgetattr(fd, &tios);

-		close(fd);

-		if (ret < 0 || cfgetospeed(&tios) <= 0 || cfgetispeed(&tios) <= 0)

-			continue;

 		DEBUG_FMT("Found port %s", name);

 		DBG("%s: %s\n", __func__, entry.d_name);