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author | vvvv <vvvv@yandex-team.ru> | 2022-03-03 23:09:11 +0300 |
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committer | vvvv <vvvv@yandex-team.ru> | 2022-03-03 23:09:11 +0300 |
commit | 8dbdbab054b6eb352cfffdad09991052008062fc (patch) | |
tree | 71befed92d327f2cc409bff4986ec510d0530d92 /contrib/libs/icu/common/uobject.cpp | |
parent | ed3f4e21f3a3837059607ec2606e1dc910269ac0 (diff) | |
download | ydb-8dbdbab054b6eb352cfffdad09991052008062fc.tar.gz |
YQL-13710 try to switch to new shiny PG
ref:2bed0445c8e8bd6c575883632adf19445f0a72a7
Diffstat (limited to 'contrib/libs/icu/common/uobject.cpp')
-rw-r--r-- | contrib/libs/icu/common/uobject.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/contrib/libs/icu/common/uobject.cpp b/contrib/libs/icu/common/uobject.cpp new file mode 100644 index 0000000000..e222b2ce9b --- /dev/null +++ b/contrib/libs/icu/common/uobject.cpp @@ -0,0 +1,105 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +****************************************************************************** +* +* Copyright (C) 2002-2012, International Business Machines +* Corporation and others. All Rights Reserved. +* +****************************************************************************** +* file name: uobject.h +* encoding: UTF-8 +* tab size: 8 (not used) +* indentation:4 +* +* created on: 2002jun26 +* created by: Markus W. Scherer +*/ + +#include "unicode/uobject.h" +#include "cmemory.h" + +U_NAMESPACE_BEGIN + +#if U_OVERRIDE_CXX_ALLOCATION + +/* + * Default implementation of UMemory::new/delete + * using uprv_malloc() and uprv_free(). + * + * For testing, this is used together with a list of imported symbols to verify + * that ICU is not using the global ::new and ::delete operators. + * + * These operators can be implemented like this or any other appropriate way + * when customizing ICU for certain environments. + * Whenever ICU is customized in binary incompatible ways please be sure + * to use library name suffixes to distinguish such libraries from + * the standard build. + * + * Instead of just modifying these C++ new/delete operators, it is usually best + * to modify the uprv_malloc()/uprv_free()/uprv_realloc() functions in cmemory.c. + * + * Memory test on Windows/MSVC 6: + * The global operators new and delete look as follows: + * 04F 00000000 UNDEF notype () External | ??2@YAPAXI@Z (void * __cdecl operator new(unsigned int)) + * 03F 00000000 UNDEF notype () External | ??3@YAXPAX@Z (void __cdecl operator delete(void *)) + * + * These lines are from output generated by the MSVC 6 tool dumpbin with + * dumpbin /symbols *.obj + * + * ??2@YAPAXI@Z and ??3@YAXPAX@Z are the linker symbols in the .obj + * files and are imported from msvcrtd.dll (in a debug build). + * + * Make sure that with the UMemory operators new and delete defined these two symbols + * do not appear in the dumpbin /symbols output for the ICU libraries! + * + * If such a symbol appears in the output then look in the preceding lines in the output + * for which file and function calls the global new or delete operator, + * and replace with uprv_malloc/uprv_free. + */ + +void * U_EXPORT2 UMemory::operator new(size_t size) U_NOEXCEPT { + return uprv_malloc(size); +} + +void U_EXPORT2 UMemory::operator delete(void *p) U_NOEXCEPT { + if(p!=NULL) { + uprv_free(p); + } +} + +void * U_EXPORT2 UMemory::operator new[](size_t size) U_NOEXCEPT { + return uprv_malloc(size); +} + +void U_EXPORT2 UMemory::operator delete[](void *p) U_NOEXCEPT { + if(p!=NULL) { + uprv_free(p); + } +} + +#if U_HAVE_DEBUG_LOCATION_NEW +void * U_EXPORT2 UMemory::operator new(size_t size, const char* /*file*/, int /*line*/) U_NOEXCEPT { + return UMemory::operator new(size); +} + +void U_EXPORT2 UMemory::operator delete(void* p, const char* /*file*/, int /*line*/) U_NOEXCEPT { + UMemory::operator delete(p); +} +#endif /* U_HAVE_DEBUG_LOCATION_NEW */ + + +#endif + +UObject::~UObject() {} + +UClassID UObject::getDynamicClassID() const { return NULL; } + +U_NAMESPACE_END + +U_NAMESPACE_USE + +U_CAPI void U_EXPORT2 +uprv_deleteUObject(void *obj) { + delete static_cast<UObject *>(obj); +} |