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File: [Pegasus] / pegasus / src / Pegasus / Common / StringRep.h
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Revision: 1.6, Wed Mar 1 20:53:30 2006 UTC (18 years, 4 months ago) by kumpf Branch: MAIN CVS Tags: TASK_PEP233_EmbeddedInstSupport-merge_out_trunk, TASK-PEP250_RPMProvider-root, TASK-PEP250_RPMProvider-merged_out_to_branch, TASK-PEP250_RPMProvider-merged_out_from_trunk, TASK-PEP250_RPMProvider-merged_in_to_trunk, TASK-PEP250_RPMProvider-merged_in_from_branch, TASK-PEP250_RPMProvider-branch, TASK-PEP245_CimErrorInfrastructure-root, TASK-PEP245_CimErrorInfrastructure-merged_out_to_branch, TASK-PEP245_CimErrorInfrastructure-merged_out_from_trunk, TASK-PEP245_CimErrorInfrastructure-merged_in_to_trunk, TASK-PEP245_CimErrorInfrastructure-merged_in_from_branch, TASK-PEP245_CimErrorInfrastructure-branch, TASK-PEP241_OpenPegasusStressTests-root, TASK-PEP241_OpenPegasusStressTests-merged_out_to_branch, TASK-PEP241_OpenPegasusStressTests-merged_out_from_trunk, TASK-PEP241_OpenPegasusStressTests-merged_in_to_trunk, TASK-PEP241_OpenPegasusStressTests-merged_in_from_branch, TASK-PEP241_OpenPegasusStressTests-branch, TASK-BUG4011_WinLocalConnect-root, TASK-BUG4011_WinLocalConnect-merged_out_to_branch, TASK-BUG4011_WinLocalConnect-merged_out_from_trunk, TASK-BUG4011_WinLocalConnect-merged_in_to_trunk, TASK-BUG4011_WinLocalConnect-merged_in_from_branch, TASK-BUG4011_WinLocalConnect-branch Changes since 1.5: +0 -1 lines BUG#: 4837 TITLE: Incorrect memory management in StringRep destructor DESCRIPTION: Removed incorrect call to AtomicInt destructor. |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // //%///////////////////////////////////////////////////////////////////////////// #ifndef _Pegasus_StringRep_h #define _Pegasus_StringRep_h #include <Pegasus/Common/Config.h> #include <Pegasus/Common/AtomicInt.h> #include <new> PEGASUS_NAMESPACE_BEGIN struct StringRep { StringRep(); ~StringRep(); static StringRep* alloc(size_t cap); static void free(StringRep* rep); static StringRep* create(const Uint16* data, size_t size); static StringRep* create(const char* data, size_t size); static StringRep* copyOnWrite(StringRep* rep); static Uint32 length(const Uint16* str); static void ref(const StringRep* rep); static void unref(const StringRep* rep); static StringRep _emptyRep; // Number of characters in this string, excluding the null terminator. size_t size; // Number of characters this representation has room for. This is // greater or equal to size. size_t cap; // Number of string refering to this StringRep (1, 2, etc). AtomicInt refs; // The first character in the string. Extra space is allocated off the // end of this structure for additional characters. Uint16 data[1]; }; inline void StringRep::free(StringRep* rep) { rep->refs.~AtomicInt(); ::operator delete(rep); } inline StringRep::StringRep() : size(0), cap(0), refs(2) { // Only called on _emptyRep. We set the reference count to two to // keep a String from modifying it (if the reference count were one, // a string would think it was the sole owner of the StringRep object). data[0] = 0; } inline StringRep::~StringRep() { // Only called on _emptyRep. } inline void StringRep::ref(const StringRep* rep) { if (rep != &StringRep::_emptyRep) ((StringRep*)rep)->refs++; } inline void StringRep::unref(const StringRep* rep) { if (rep != &StringRep::_emptyRep && ((StringRep*)rep)->refs.decAndTestIfZero()) StringRep::free((StringRep*)rep); } PEGASUS_COMMON_LINKAGE void StringThrowOutOfBounds(); PEGASUS_COMMON_LINKAGE void StringAppendCharAux(StringRep*& _rep); PEGASUS_COMMON_LINKAGE Boolean StringEqualNoCase( const String& s1, const String& s2); PEGASUS_COMMON_LINKAGE Uint32 StringFindAux( const StringRep* _rep, const Char16* s, Uint32 n); inline void _checkBounds(size_t index, size_t size) { #ifndef PEGASUS_STRING_NO_THROW if (index > size) StringThrowOutOfBounds(); #endif } PEGASUS_NAMESPACE_END #endif /* _Pegasus_StringRep_h */
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