Micro-optimise seqno computation.

6c5248f9 · Juliusz Chroboczek · d8e74ded · 6c5248f9
Commit 6c5248f9 authored Oct 25, 2008 by Juliusz Chroboczek
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 9 deletions

util.c util.c +2 -9

No files found.
--- a/util.c
+++ b/util.c
@@ -40,21 +40,14 @@ seqno_compare(unsigned short s1, unsigned short s2)
 {
    if(s1 == s2)
        return 0;
-    else if(((s2 - s1) & 0xFFFF) < 0x8000)
-        return -1;
    else
-        return 1;
+        return ((s2 - s1) & 0x8000) ? 1 : -1;
 }
 int
 seqno_minus(unsigned short s1, unsigned short s2)
 {
-    if(s1 == s2)
+    return ((s1 - s2) & 0xFFFF);
-        return 0;
-    else if(((s2 - s1) & 0xFFFF) < 0x8000)
-        return -(int)((s2 - s1) & 0xFFFF);
-    else
-        return ((s1 - s2) & 0xFFFF);
 }
 unsigned short