--- ./src/cmd/ksh93/bltins/cd_pwd.c.orig	2014-11-13 16:07:38.336318883 +0000
+++ ./src/cmd/ksh93/bltins/cd_pwd.c	2014-11-13 16:24:53.323415375 +0000
@@ -116,9 +116,14 @@ int	b_cd(int argc, char *argv[],Shbltin_
 		char	*sp;
 		for(dp=dir; *dp=='.'; dp++)
 		{
-			if(*++dp=='.' && (*++dp=='/' || *dp==0))
+			if (dp[1]=='.' && (dp[2]=='/' || dp[2]==0))
+			{
 				n++;
-			else if(*dp && *dp!='/')
+				dp += 2;
+			}
+			else if (dp[1]=='/' || dp[1]==0)
+				dp++;
+			else
 				break;
 			if(*dp==0)
 				break;