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| author | James Cook <james@lindenlab.com> | 2007-01-02 08:33:20 +0000 |
|---|---|---|
| committer | James Cook <james@lindenlab.com> | 2007-01-02 08:33:20 +0000 |
| commit | 420b91db29485df39fd6e724e782c449158811cb (patch) | |
| tree | b471a94563af914d3ed3edd3e856d21cb1b69945 /indra/llcommon/llhash.h | |
Print done when done.
Diffstat (limited to 'indra/llcommon/llhash.h')
| -rw-r--r-- | indra/llcommon/llhash.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/indra/llcommon/llhash.h b/indra/llcommon/llhash.h new file mode 100644 index 0000000000..fbf059bbcd --- /dev/null +++ b/indra/llcommon/llhash.h @@ -0,0 +1,45 @@ +/** + * @file llhash.h + * @brief Wrapper for a hash function. + * + * Copyright (c) 2004-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#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 + |