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[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3
Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3 License: MIT
This commit is contained in:
Timo Kreuzer
parent
f1b60c66f0
commit
04e0dc4a7a
568 changed files with 115483 additions and 0 deletions
353
sdk/lib/ucrt/locale/locale_refcounting.cpp
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353
sdk/lib/ucrt/locale/locale_refcounting.cpp
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/***
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*localref.c - Contains the __[add|remove]localeref() functions.
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains the __[add|remove]localeref() functions.
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*
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*******************************************************************************/
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#include <corecrt_internal.h>
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#include <locale.h>
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/***
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* __acrt_add_locale_ref(__crt_locale_data* ptloci)
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*
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* Purpose:
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* Increment the refrence count for each element in the localeinfo struct.
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*
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*******************************************************************************/
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extern "C" void __cdecl __acrt_add_locale_ref(__crt_locale_data* ptloci)
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{
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_InterlockedIncrement(&ptloci->refcount);
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if (ptloci->lconv_intl_refcount != nullptr)
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{
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_InterlockedIncrement(ptloci->lconv_intl_refcount);
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}
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if (ptloci->lconv_mon_refcount != nullptr)
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{
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_InterlockedIncrement(ptloci->lconv_mon_refcount);
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}
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if (ptloci->lconv_num_refcount != nullptr)
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{
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_InterlockedIncrement(ptloci->lconv_num_refcount);
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}
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if (ptloci->ctype1_refcount != nullptr)
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{
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_InterlockedIncrement(ptloci->ctype1_refcount);
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}
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for (int category = LC_MIN; category <= LC_MAX; ++category)
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{
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if (ptloci->lc_category[category].wlocale != __acrt_wide_c_locale_string &&
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ptloci->lc_category[category].wrefcount != nullptr)
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{
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_InterlockedIncrement(ptloci->lc_category[category].wrefcount);
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}
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if (ptloci->lc_category[category].locale != nullptr &&
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ptloci->lc_category[category].refcount != nullptr)
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{
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_InterlockedIncrement(ptloci->lc_category[category].refcount);
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}
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}
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__acrt_locale_add_lc_time_reference(ptloci->lc_time_curr);
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}
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/***
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* __acrt_release_locale_ref(__crt_locale_data* ptloci)
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*
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* Purpose:
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* Decrement the refrence count for each elemnt in the localeinfo struct.
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*
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******************************************************************************/
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extern "C" void __cdecl __acrt_release_locale_ref(__crt_locale_data* ptloci)
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{
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if (ptloci == nullptr)
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return;
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_InterlockedDecrement(&ptloci->refcount);
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if (ptloci->lconv_intl_refcount != nullptr)
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_InterlockedDecrement(ptloci->lconv_intl_refcount);
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if (ptloci->lconv_mon_refcount != nullptr)
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_InterlockedDecrement(ptloci->lconv_mon_refcount);
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if (ptloci->lconv_num_refcount != nullptr)
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_InterlockedDecrement(ptloci->lconv_num_refcount);
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if (ptloci->ctype1_refcount != nullptr)
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_InterlockedDecrement(ptloci->ctype1_refcount);
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for (int category = LC_MIN; category <= LC_MAX; ++category)
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{
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if (ptloci->lc_category[category].wlocale != __acrt_wide_c_locale_string &&
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ptloci->lc_category[category].wrefcount != nullptr)
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{
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_InterlockedDecrement(ptloci->lc_category[category].wrefcount);
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}
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if (ptloci->lc_category[category].locale != nullptr &&
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ptloci->lc_category[category].refcount != nullptr)
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{
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_InterlockedDecrement(ptloci->lc_category[category].refcount);
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}
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}
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__acrt_locale_release_lc_time_reference(ptloci->lc_time_curr);
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}
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/***
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*__acrt_free_locale() - free __crt_locale_data
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*
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*Purpose:
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* Free up the per-thread locale info structure specified by the passed
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* pointer.
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*
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*Entry:
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* __crt_locale_data* ptloci
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*
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*Exit:
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" void __cdecl __acrt_free_locale(__crt_locale_data* ptloci)
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{
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/*
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* Free up lconv struct
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*/
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if (ptloci->lconv != nullptr &&
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ptloci->lconv != &__acrt_lconv_c &&
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ptloci->lconv_intl_refcount != nullptr &&
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*ptloci->lconv_intl_refcount == 0)
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{
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if (ptloci->lconv_mon_refcount != nullptr && *ptloci->lconv_mon_refcount == 0)
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{
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_free_crt(ptloci->lconv_mon_refcount);
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__acrt_locale_free_monetary(ptloci->lconv);
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}
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if (ptloci->lconv_num_refcount != nullptr && *ptloci->lconv_num_refcount == 0)
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{
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_free_crt(ptloci->lconv_num_refcount);
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__acrt_locale_free_numeric(ptloci->lconv);
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}
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_free_crt(ptloci->lconv_intl_refcount);
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_free_crt(ptloci->lconv);
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}
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/*
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* Free up ctype tables
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*/
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if (ptloci->ctype1_refcount != nullptr && *ptloci->ctype1_refcount == 0)
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{
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_free_crt(ptloci->ctype1 - _COFFSET);
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_free_crt(const_cast<unsigned char*>(ptloci->pclmap - _COFFSET - 1));
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_free_crt(const_cast<unsigned char*>(ptloci->pcumap - _COFFSET - 1));
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_free_crt(ptloci->ctype1_refcount);
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}
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__acrt_locale_free_lc_time_if_unreferenced(ptloci->lc_time_curr);
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for (int category = LC_MIN; category <= LC_MAX; ++category)
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{
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if (ptloci->lc_category[category].wlocale != __acrt_wide_c_locale_string &&
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ptloci->lc_category[category].wrefcount != nullptr &&
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*ptloci->lc_category[category].wrefcount == 0)
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{
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_free_crt(ptloci->lc_category[category].wrefcount);
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_free_crt(ptloci->locale_name[category]);
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}
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_ASSERTE((ptloci->lc_category[category].locale != nullptr && ptloci->lc_category[category].refcount != nullptr) ||
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(ptloci->lc_category[category].locale == nullptr && ptloci->lc_category[category].refcount == nullptr));
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if (ptloci->lc_category[category].locale != nullptr &&
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ptloci->lc_category[category].refcount != nullptr &&
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*ptloci->lc_category[category].refcount == 0)
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{
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_free_crt(ptloci->lc_category[category].refcount);
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}
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}
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/*
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* Free up the __crt_locale_data struct
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*/
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_free_crt(ptloci);
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}
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/***
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*
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* _updatelocinfoEx_nolock(__crt_locale_data* *pptlocid, __crt_locale_data* ptlocis)
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*
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* Purpose:
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* Update *pptlocid to ptlocis. This might include freeing contents of *pptlocid.
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*
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******************************************************************************/
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extern "C" __crt_locale_data* __cdecl _updatetlocinfoEx_nolock(
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__crt_locale_data** pptlocid,
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__crt_locale_data* ptlocis
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)
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{
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if (ptlocis == nullptr || pptlocid == nullptr)
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return nullptr;
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__crt_locale_data* const ptloci = *pptlocid;
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if (ptloci == ptlocis)
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return ptlocis;
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/*
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* Update to the current locale info structure and increment the
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* reference counts.
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*/
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*pptlocid = ptlocis;
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__acrt_add_locale_ref(ptlocis);
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/*
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* Decrement the reference counts in the old locale info
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* structure.
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*/
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if (ptloci != nullptr)
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{
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__acrt_release_locale_ref(ptloci);
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}
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/*
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* Free the old locale info structure, if necessary. Must be done
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* after incrementing reference counts in current locale in case
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* any refcounts are shared with the old locale.
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*/
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if (ptloci != nullptr &&
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ptloci->refcount == 0 &&
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ptloci != &__acrt_initial_locale_data)
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{
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__acrt_free_locale(ptloci);
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}
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return ptlocis;
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}
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/***
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*__acrt_update_thread_locale_data() - refresh the thread's locale info
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*
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*Purpose:
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* If this thread does not have it's ownlocale which means that either
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* ownlocale flag in ptd is not set or ptd->ptloci == nullptr, then Update
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* the current thread's reference to the locale information to match the
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* current global locale info. Decrement the reference on the old locale
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* information struct and if this count is now zero (so that no threads
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* are using it), free it.
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*
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*Entry:
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*
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*Exit:
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*
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* if (!_getptd()->ownlocale || _getptd()->ptlocinfo == nullptr)
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* _getptd()->ptlocinfo == __acrt_current_locale_data
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* else
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* _getptd()->ptlocinfo
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" __crt_locale_data* __cdecl __acrt_update_thread_locale_data()
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{
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__crt_locale_data* ptloci = nullptr;
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__acrt_ptd* const ptd = __acrt_getptd();
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if (__acrt_should_sync_with_global_locale(ptd) || ptd->_locale_info == nullptr)
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{
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__acrt_lock(__acrt_locale_lock);
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__try
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{
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ptloci = _updatetlocinfoEx_nolock(&ptd->_locale_info, __acrt_current_locale_data.value());
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}
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__finally
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{
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__acrt_unlock(__acrt_locale_lock);
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}
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}
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else
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{
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ptloci = ptd->_locale_info;
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}
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if (!ptloci)
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{
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abort();
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}
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return ptloci;
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}
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//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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//
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// __crt_lc_time_data reference counting
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//
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//-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// The C locale lc_time data is immutable and persistent. The lc_time data for
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// any other locale is dynamically allocated (and thus not actually immutable).
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// The lc_time_curr data member of __crt_locale_data is declared const to help
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// ensure that code does not accidentally attempt to modify the C locale lc_time
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// data.
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//
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// These functions encapsulate all mutation of the lc_time_curr. They accept a
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// __crt_lc_time_data const*, handle the C locale as a special case, then cast
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// away constness to mutate the lc_time data.
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extern "C" long __cdecl __acrt_locale_add_lc_time_reference(
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__crt_lc_time_data const* const lc_time
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)
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{
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if (lc_time == nullptr || lc_time == &__lc_time_c)
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{
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return LONG_MAX;
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}
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return _InterlockedIncrement(&const_cast<__crt_lc_time_data*>(lc_time)->refcount);
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}
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extern "C" long __cdecl __acrt_locale_release_lc_time_reference(
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__crt_lc_time_data const* const lc_time
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)
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{
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if (lc_time == nullptr || lc_time == &__lc_time_c)
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{
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return LONG_MAX;
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}
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return _InterlockedDecrement(&const_cast<__crt_lc_time_data*>(lc_time)->refcount);
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}
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extern "C" void __cdecl __acrt_locale_free_lc_time_if_unreferenced(
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__crt_lc_time_data const* const lc_time
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)
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{
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if (lc_time == nullptr || lc_time == &__lc_time_c)
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{
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return;
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}
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if (__crt_interlocked_read(&lc_time->refcount) != 0)
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{
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return;
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}
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__acrt_locale_free_time(const_cast<__crt_lc_time_data*>(lc_time));
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_free_crt(const_cast<__crt_lc_time_data*>(lc_time));
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}
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