20593760b116c90f3e439552763eef632a3bbb17vboxsync/* $Id$ */
20593760b116c90f3e439552763eef632a3bbb17vboxsync/** @file
20593760b116c90f3e439552763eef632a3bbb17vboxsync * IPRT - String Cache, stub implementation.
20593760b116c90f3e439552763eef632a3bbb17vboxsync */
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync/*
c7814cf6e1240a519cbec0441e033d0e2470ed00vboxsync * Copyright (C) 2009-2010 Oracle Corporation
20593760b116c90f3e439552763eef632a3bbb17vboxsync *
20593760b116c90f3e439552763eef632a3bbb17vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
20593760b116c90f3e439552763eef632a3bbb17vboxsync * available from http://www.virtualbox.org. This file is free software;
20593760b116c90f3e439552763eef632a3bbb17vboxsync * you can redistribute it and/or modify it under the terms of the GNU
20593760b116c90f3e439552763eef632a3bbb17vboxsync * General Public License (GPL) as published by the Free Software
20593760b116c90f3e439552763eef632a3bbb17vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
20593760b116c90f3e439552763eef632a3bbb17vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
20593760b116c90f3e439552763eef632a3bbb17vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
20593760b116c90f3e439552763eef632a3bbb17vboxsync *
20593760b116c90f3e439552763eef632a3bbb17vboxsync * The contents of this file may alternatively be used under the terms
20593760b116c90f3e439552763eef632a3bbb17vboxsync * of the Common Development and Distribution License Version 1.0
20593760b116c90f3e439552763eef632a3bbb17vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20593760b116c90f3e439552763eef632a3bbb17vboxsync * VirtualBox OSE distribution, in which case the provisions of the
20593760b116c90f3e439552763eef632a3bbb17vboxsync * CDDL are applicable instead of those of the GPL.
20593760b116c90f3e439552763eef632a3bbb17vboxsync *
20593760b116c90f3e439552763eef632a3bbb17vboxsync * You may elect to license modified versions of this file under the
20593760b116c90f3e439552763eef632a3bbb17vboxsync * terms and conditions of either the GPL or the CDDL or both.
20593760b116c90f3e439552763eef632a3bbb17vboxsync */
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync/*******************************************************************************
20593760b116c90f3e439552763eef632a3bbb17vboxsync* Header Files *
20593760b116c90f3e439552763eef632a3bbb17vboxsync*******************************************************************************/
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/strcache.h>
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsync#include "internal/iprt.h"
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/asm.h>
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/assert.h>
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/err.h>
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/mempool.h>
20593760b116c90f3e439552763eef632a3bbb17vboxsync#include <iprt/string.h>
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
ea9fe8748652b3e7b3f1245001f9d7cd8c9eaaccvboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(int) RTStrCacheCreate(PRTSTRCACHE phStrCache, const char *pszName)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync AssertCompile(sizeof(RTSTRCACHE) == sizeof(RTMEMPOOL));
0c8eec6f5b79d800c3d25b5c0e0d7ad3f867c25cvboxsync AssertCompileNS(NIL_RTSTRCACHE == (RTSTRCACHE)NIL_RTMEMPOOL);
0c8eec6f5b79d800c3d25b5c0e0d7ad3f867c25cvboxsync AssertCompileNS(RTSTRCACHE_DEFAULT == (RTSTRCACHE)RTMEMPOOL_DEFAULT);
20593760b116c90f3e439552763eef632a3bbb17vboxsync return RTMemPoolCreate((PRTMEMPOOL)phStrCache, pszName);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheCreate);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(int) RTStrCacheDestroy(RTSTRCACHE hStrCache)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
ea9fe8748652b3e7b3f1245001f9d7cd8c9eaaccvboxsync if ( hStrCache == NIL_RTSTRCACHE
ea9fe8748652b3e7b3f1245001f9d7cd8c9eaaccvboxsync || hStrCache == RTSTRCACHE_DEFAULT)
20593760b116c90f3e439552763eef632a3bbb17vboxsync return VINF_SUCCESS;
ea9fe8748652b3e7b3f1245001f9d7cd8c9eaaccvboxsync return RTMemPoolDestroy((RTMEMPOOL)hStrCache);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheDestroy);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(const char *) RTStrCacheEnterN(RTSTRCACHE hStrCache, const char *pchString, size_t cchString)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync AssertPtr(pchString);
20593760b116c90f3e439552763eef632a3bbb17vboxsync AssertReturn(cchString < _1G, NULL);
e86538a7bc028e823f16f8982e90f0c7ef5d4ecevboxsync Assert(!RTStrEnd(pchString, cchString));
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync return (const char *)RTMemPoolDupEx((RTMEMPOOL)hStrCache, pchString, cchString, 1);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheEnterN);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(const char *) RTStrCacheEnter(RTSTRCACHE hStrCache, const char *psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync return RTStrCacheEnterN(hStrCache, psz, strlen(psz));
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheEnter);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsyncRTDECL(const char *) RTStrCacheEnterLowerN(RTSTRCACHE hStrCache, const char *pchString, size_t cchString)
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync{
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync AssertPtr(pchString);
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync AssertReturn(cchString < _1G, NULL);
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync Assert(!RTStrEnd(pchString, cchString));
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync char *pszRet = (char *)RTMemPoolDupEx((RTMEMPOOL)hStrCache, pchString, cchString, 1);
0f7b309cca2790ee47e71b5aa1817803b652f253vboxsync if (pszRet)
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync RTStrToLower(pszRet);
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync return pszRet;
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync}
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsyncRT_EXPORT_SYMBOL(RTStrCacheEnterLowerN);
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsyncRTDECL(const char *) RTStrCacheEnterLower(RTSTRCACHE hStrCache, const char *psz)
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync{
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync return RTStrCacheEnterLowerN(hStrCache, psz, strlen(psz));
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync}
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsyncRT_EXPORT_SYMBOL(RTStrCacheEnterLower);
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync
e9525bea57dc13d82fd3392913aebb33d2cb79e3vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(uint32_t) RTStrCacheRetain(const char *psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync AssertPtr(psz);
20593760b116c90f3e439552763eef632a3bbb17vboxsync return RTMemPoolRetain((void *)psz);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheRetain);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(uint32_t) RTStrCacheRelease(RTSTRCACHE hStrCache, const char *psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync if (!psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync return 0;
20593760b116c90f3e439552763eef632a3bbb17vboxsync return RTMemPoolRelease((RTMEMPOOL)hStrCache, (void *)psz);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheRelease);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsync
20593760b116c90f3e439552763eef632a3bbb17vboxsyncRTDECL(size_t) RTStrCacheLength(const char *psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync{
20593760b116c90f3e439552763eef632a3bbb17vboxsync if (!psz)
20593760b116c90f3e439552763eef632a3bbb17vboxsync return 0;
20593760b116c90f3e439552763eef632a3bbb17vboxsync return strlen(psz);
20593760b116c90f3e439552763eef632a3bbb17vboxsync}
aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32vboxsyncRT_EXPORT_SYMBOL(RTStrCacheLength);
20593760b116c90f3e439552763eef632a3bbb17vboxsync
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsync
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsyncRTDECL(bool) RTStrCacheIsRealImpl(void)
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsync{
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsync return false;
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsync}
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsyncRT_EXPORT_SYMBOL(RTStrCacheIsRealImpl);
a18faae7b59910c9f2da2886ac10d7f31e29cd83vboxsync
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsyncRTDECL(uint32_t) RTStrCacheGetStats(RTSTRCACHE hStrCache, size_t *pcbStrings, size_t *pcbChunks, size_t *pcbBigEntries,
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync uint32_t *pcHashCollisions, uint32_t *pcHashCollisions2, uint32_t *pcHashInserts,
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync uint32_t *pcRehashes)
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync{
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync return UINT32_MAX;
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync}
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsyncRT_EXPORT_SYMBOL(RTStrCacheGetStats);
e00b7e275dee70ffbd9e00a3e3e3e8513287e2b2vboxsync