1 | /* $Id: strcache-stubs-generic.cpp 20360 2009-06-08 00:04:31Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - String Cache, stub implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009 Sun Microsystems, Inc.
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | *
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26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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28 | * additional information or have any questions.
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29 | */
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30 |
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31 |
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32 | /*******************************************************************************
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33 | * Header Files *
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34 | *******************************************************************************/
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35 | #include <iprt/strcache.h>
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36 |
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37 | #include <iprt/asm.h>
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38 | #include <iprt/assert.h>
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39 | #include <iprt/err.h>
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40 | #include <iprt/mempool.h>
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41 | #include <iprt/string.h>
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42 |
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43 |
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44 | RTDECL(int) RTStrCacheCreate(PRTSTRCACHE phStrCache, const char *pszName)
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45 | {
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46 | AssertCompile(sizeof(RTSTRCACHE) == sizeof(RTMEMPOOL));
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47 | AssertCompile(NIL_RTSTRCACHE == (RTSTRCACHE)NIL_RTMEMPOOL);
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48 | AssertCompile(RTSTRCACHE_DEFAULT == (RTSTRCACHE)RTMEMPOOL_DEFAULT);
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49 | return RTMemPoolCreate((PRTMEMPOOL)phStrCache, pszName);
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50 | }
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51 |
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52 |
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53 | RTDECL(int) RTStrCacheDestroy(RTSTRCACHE hStrCache)
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54 | {
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55 | if (hStrCache == NIL_RTSTRCACHE)
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56 | return VINF_SUCCESS;
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57 | return VERR_INVALID_HANDLE;
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58 | }
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59 |
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60 |
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61 | RTDECL(const char *) RTStrCacheEnterN(RTSTRCACHE hStrCache, const char *pchString, size_t cchString)
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62 | {
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63 | AssertPtr(pchString);
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64 | AssertReturn(cchString < _1G, NULL);
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65 | Assert(!memchr(pchString, '\0', cchString));
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66 |
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67 | return (const char *)RTMemPoolDupEx((RTMEMPOOL)hStrCache, pchString, cchString, 1);
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68 | }
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69 |
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70 |
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71 | RTDECL(const char *) RTStrCacheEnter(RTSTRCACHE hStrCache, const char *psz)
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72 | {
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73 | return RTStrCacheEnterN(hStrCache, psz, strlen(psz));
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74 | }
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75 |
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76 |
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77 | RTDECL(uint32_t) RTStrCacheRetain(const char *psz)
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78 | {
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79 | AssertPtr(psz);
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80 | return RTMemPoolRetain((void *)psz);
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81 | }
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82 |
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83 |
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84 | RTDECL(uint32_t) RTStrCacheRelease(RTSTRCACHE hStrCache, const char *psz)
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85 | {
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86 | if (!psz)
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87 | return 0;
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88 | return RTMemPoolRelease((RTMEMPOOL)hStrCache, (void *)psz);
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89 | }
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90 |
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91 |
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92 | RTDECL(size_t) RTStrCacheLength(const char *psz)
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93 | {
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94 | if (!psz)
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95 | return 0;
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96 | return strlen(psz);
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97 | }
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98 |
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