X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=blobdiff_plain;f=util.h;h=1f43c5ea5caf34dbcf9a7da2e11cab8d5464b8f6;hp=7991743be32ab70196c41015934123fd044227ce;hb=0391d9ee80a1847381ad205b8f707e43707b90b0;hpb=28db900b071a43718c4227e759fa76cb8c6359af

diff --git a/util.h b/util.h
index 7991743..1f43c5e 100644
--- a/util.h
+++ b/util.h
@@ -45,4 +45,18 @@ extern int32_t write_mpbin(MP_INT *a, uint8_t *buffer, int32_t buflen);
 
 extern struct log_if *init_log(list_t *loglist);
 
+extern void send_nak(const struct comm_addr *dest, uint32_t our_index,
+		     uint32_t their_index, uint32_t msgtype,
+		     struct buffer_if *buf, const char *logwhy);
+
+extern int consttime_memeq(const void *s1, const void *s2, size_t n);
+
+#define MINMAX(ae,be,op) ({			\
+	typeof((ae)) a=(ae);			\
+	typeof((be)) b=(be);			\
+	a op b ? a : b;				\
+    })
+#define MAX(a,b) MINMAX((a),(b),>)
+#define MIN(a,b) MINMAX((a),(b),<)
+
 #endif /* util_h */