ports/devel/libserialport/files/patch-freebsd.c
2024-10-15 08:19:15 +02:00

37 lines
1 KiB
C

--- freebsd.c.orig 2017-04-29 08:27:51 UTC
+++ freebsd.c
@@ -326,9 +326,8 @@ SP_PRIV enum sp_return list_ports(struct sp_port ***li
{
DIR *dir;
struct dirent *entry;
- struct termios tios;
char name[PATH_MAX];
- int fd, ret;
+ int ret;
DEBUG("Enumerating tty devices");
if (!(dir = opendir("/dev")))
@@ -352,21 +351,10 @@ 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);