Implement seqno_plus.

1989baa3 · Juliusz Chroboczek · 85a65036 · 1989baa3 · 1989baa3
Commit 1989baa3 authored Aug 25, 2007 by Juliusz Chroboczek
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util.c util.c +6 -0

util.h util.h +2 -0

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--- a/util.c
+++ b/util.c
@@ -56,6 +56,12 @@ seqno_minus(unsigned short s1, unsigned short s2)
        return ((s1 - s2) & 0xFFFF);
 }
+unsigned short
+seqno_plus(unsigned short s, int plus)
+{
+    return ((s + plus) & 0xFFFF);
+}
 void
 timeval_minus(struct timeval *d,
              const struct timeval *s1, const struct timeval *s2)

--- a/util.h
+++ b/util.h
@@ -24,6 +24,8 @@ int seqno_compare(unsigned short s1, unsigned short s2)
    ATTRIBUTE ((const));
 int seqno_minus(unsigned short s1, unsigned short s2)
    ATTRIBUTE ((const));
+unsigned short seqno_plus(unsigned short s, int plus)
+    ATTRIBUTE ((const));
 void timeval_minus(struct timeval *d,
                   const struct timeval *s1, const struct timeval *s2);
 int timeval_minus_msec(const struct timeval *s1, const struct timeval *s2)