From bdc8f4fca9f6dacf6abd16d4fcf829401adf5556 Mon Sep 17 00:00:00 2001
From: arton <arton@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 19 Mar 2011 10:00:51 +0000
Subject: [PATCH] * hash.c: refactoring prior patch (getenvsize win32 specfic
 function).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 hash.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/hash.c b/hash.c
index e847b4dd3a..f28b15f5f4 100644
--- a/hash.c
+++ b/hash.c
@@ -2198,13 +2198,9 @@ envix(const char *nam)
 static int
 getenvsize(char* p)
 {
-    char prev = *p++;
-    int len = 1;
-    for (; prev || *p; p++) {
-	prev = *p;
-	len++;
-    }
-    return len;
+    char* porg = p;
+    while (*p || *(p + 1)) ++p;
+    return p - porg + 1;
 }
 #endif