Second Life viewer sources 1.13.2.12

1 files changed, 64 insertions, 0 deletions

diff --git a/linden/indra/llcommon/llhash.h b/linden/indra/llcommon/llhash.h
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+/** 
+ * @file llhash.h
+ * @brief Wrapper for a hash function.
+ *
+ * Copyright (c) 2004-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLHASH_H
+#define LL_LLHASH_H
+
+#include "llpreprocessor.h" // for GCC_VERSION
+
+#if (LL_WINDOWS)
+#include <hash_map>
+#include <algorithm>
+#elif LL_DARWIN || LL_LINUX
+#  if GCC_VERSION >= 30400 // gcc 3.4 and up
+#    include <ext/hashtable.h>
+#  elif __GNUC__ >= 3
+#    include <ext/stl_hashtable.h>
+#  else
+#    include <hashtable.h>
+#  endif
+#else
+#error Please define your platform.
+#endif
+
+template<class T> inline size_t llhash(T value) 
+{ 
+#if LL_WINDOWS
+        return stdext::hash_value<T>(value);
+#elif ( (defined _STLPORT_VERSION) || ((LL_LINUX) && (__GNUC__ <= 2)) )
+        std::hash<T> H;
+        return H(value);
+#elif LL_DARWIN || LL_LINUX
+        __gnu_cxx::hash<T> H;
+        return H(value);
+#else
+#error Please define your platform.
+#endif
+}
+
+#endif
+