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msvcrt: Make old locale access thread-safe in setlocale. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2020-11-25 20:24:41 +01:00 committed by Alexandre Julliard
parent a9dfe7aba2
commit a7f124eb5e
1 changed files with 18 additions and 19 deletions
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37
dlls/msvcrt/locale.c
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@ -601,15 +601,6 @@ void CDECL _unlock_locales(void)
_unlock(_SETLOCALE_LOCK);
}
static MSVCRT_pthreadlocinfo* CDECL get_locinfo_ptr(void) {
thread_data_t *data = msvcrt_get_thread_data();
if(!data || !(data->locale_flags & LOCALE_THREAD))
return &MSVCRT_locale->locinfo;
return &data->locinfo;
}
static void CDECL grab_locinfo(MSVCRT_pthreadlocinfo locinfo)
{
int i;
@ -2041,8 +2032,8 @@ MSVCRT__locale_t CDECL MSVCRT__wcreate_locale(int category, const MSVCRT_wchar_t
*/
char* CDECL MSVCRT_setlocale(int category, const char* locale)
{
MSVCRT_pthreadlocinfo *plocinfo = get_locinfo_ptr();
MSVCRT_pthreadlocinfo locinfo = *plocinfo, newlocinfo;
thread_data_t *data = msvcrt_get_thread_data();
MSVCRT_pthreadlocinfo locinfo = get_locinfo(), newlocinfo;
if(category<MSVCRT_LC_MIN || category>MSVCRT_LC_MAX)
return NULL;
@ -2063,26 +2054,34 @@ char* CDECL MSVCRT_setlocale(int category, const char* locale)
if(locale[0] != 'C' || locale[1] != '\0')
initial_locale = FALSE;
_lock_locales();
free_locinfo(locinfo);
*plocinfo = newlocinfo;
_unlock_locales();
if(newlocinfo == MSVCRT_locale->locinfo) {
if(data->locale_flags & LOCALE_THREAD)
{
if(data->locale_flags & LOCALE_FREE)
free_locinfo(data->locinfo);
data->locinfo = newlocinfo;
}
else
{
int i;
_lock_locales();
free_locinfo(MSVCRT_locale->locinfo);
MSVCRT_locale->locinfo = newlocinfo;
MSVCRT___lc_codepage = newlocinfo->lc_codepage;
MSVCRT___lc_collate_cp = newlocinfo->lc_collate_cp;
MSVCRT___mb_cur_max = newlocinfo->mb_cur_max;
MSVCRT__pctype = newlocinfo->pctype;
for(i=MSVCRT_LC_MIN; i<=MSVCRT_LC_MAX; i++)
MSVCRT___lc_handle[i] = MSVCRT_locale->locinfo->lc_handle[i];
_unlock_locales();
update_thread_locale(data);
}
if(category == MSVCRT_LC_ALL)
return construct_lc_all(newlocinfo);
return construct_lc_all(data->locinfo);
return newlocinfo->lc_category[category].locale;
return data->locinfo->lc_category[category].locale;
}
/*********************************************************************