From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 22 Jan 2015 12:45:06 +0000 (+0100)
Subject: ntp: keep all length constants signed
X-Git-Tag: 2.0-pre1~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f9a31f36a02fa4e7ed8509825cf842ef8b1addd6;p=thirdparty%2Fchrony.git

ntp: keep all length constants signed

This should make it harder to accidentally create an unsafe comparison
between signed and unsigned values.
---

diff --git a/ntp.h b/ntp.h
index 0e012be3..db5aabc6 100644
--- a/ntp.h
+++ b/ntp.h
@@ -94,7 +94,7 @@ typedef struct {
   uint8_t auth_data[NTP_MAX_MAC_LENGTH];
 } NTP_Packet;
 
-#define NTP_NORMAL_PACKET_LENGTH offsetof(NTP_Packet, auth_keyid)
+#define NTP_NORMAL_PACKET_LENGTH (int)offsetof(NTP_Packet, auth_keyid)
 
 /* The buffer used to hold a datagram read from the network */
 typedef struct {