From cb7bcd464425fb9e5d7896e2a36c3154aa8b6a80 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Wed, 2 Nov 2011 18:30:28 +0800
Subject: [PATCH] add support for (key, val) attribute list

A (key, val) attribute list has this format

  { key1, val1, ..., keyN, valN, terminator }

and the size is 2*N + 1
---
 glsize.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/glsize.hpp b/glsize.hpp
index 00356ae..a042a14 100644
--- a/glsize.hpp
+++ b/glsize.hpp
@@ -758,4 +758,24 @@ __AttribList_size(const T *pAttribList)
 }
 
 
+/*
+ * (key, value) attribute list, terminated by the given terminator.
+ */
+template<class T>
+static inline size_t
+__AttribList_size(const T *pAttribList, T terminator)
+{
+    size_t size = 0;
+
+    if (pAttribList) {
+        while (pAttribList[size] != terminator)
+            size += 2;
+        // terminator also counts
+        size++;
+    }
+
+    return size;
+}
+
+
 #endif /* _GL_SIZE_HPP_ */
-- 
2.7.4