From: John Hodge <tpg@mutabah.net>
Date: Sat, 20 Nov 2010 05:52:41 +0000 (+0800)
Subject: Fixed memcmp error (checks 1 more byte than it should)
X-Git-Tag: rel0.07~57
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=ff036dcc7df8d27aa087d71c7e024ab81d550962;p=tpg%2Facess2.git

Fixed memcmp error (checks 1 more byte than it should)
---

diff --git a/Kernel/arch/x86/lib.c b/Kernel/arch/x86/lib.c
index 9287d9c3..1f563948 100644
--- a/Kernel/arch/x86/lib.c
+++ b/Kernel/arch/x86/lib.c
@@ -189,15 +189,16 @@ void *memsetd(void *Dest, Uint32 Val, size_t Num)
  */
 int memcmp(const void *m1, const void *m2, size_t Num)
 {
-	if( Num == 0 )	return 1;	// No bytes are always identical
+	if( Num == 0 )	return 0;	// No bytes are always identical
 	
 	while(Num--)
 	{
-		if(*(Uint8*)m1 != *(Uint8*)m2)	break;
+		if(*(Uint8*)m1 != *(Uint8*)m2)
+			return *(Uint8*)m1 - *(Uint8*)m2;
 		m1 ++;
 		m2 ++;
 	}
-	return *(Uint8*)m1 - *(Uint8*)m2;
+	return 0;
 }
 
 /**