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path: root/ntpd/refclock_acts.c
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Diffstat (limited to 'ntpd/refclock_acts.c')
-rw-r--r--ntpd/refclock_acts.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ntpd/refclock_acts.c b/ntpd/refclock_acts.c
index 36322fd..f62cc46 100644
--- a/ntpd/refclock_acts.c
+++ b/ntpd/refclock_acts.c
@@ -343,7 +343,7 @@ acts_receive(
up->bufptr = up->buf;
acts_message(peer, up->buf);
}
- } else if (!iscntrl(*tptr)) {
+ } else if (!iscntrl((unsigned char)*tptr)) {
*up->bufptr++ = *tptr;
if (*tptr == '*' || *tptr == '#') {
up->tstamp = pp->lastrec;
@@ -515,7 +515,7 @@ acts_timeout(
up->unit);
fd = refclock_open(device, SPEED232, LDISC_ACTS |
LDISC_RAW | LDISC_REMOTE);
- if (fd <= 0) {
+ if (fd < 0) {
msyslog(LOG_ERR, "acts: open fails %m");
return;
}