GetLocaleInfoA.cpp File Reference

#include <corecrt_internal.h>

Include dependency graph for GetLocaleInfoA.cpp:

Go to the source code of this file.

Functions
	_Success_ (return > 0) static int __cdecl InternalGetLocaleInfoA(_locale_t const locale
PCWSTR const LCTYPE const	_Out_writes_z_ (result_size) char *const result
	if (buffer_size==0) return 0
__crt_scoped_stack_ptr< wchar_t > const	buffer (_malloca_crt_t(wchar_t, buffer_size))
	if (buffer.get()==nullptr) return 0
	if (__acrt_GetLocaleInfoEx(locale_name, locale_type, buffer.get(), buffer_size)==0) return 0
return	__acrt_WideCharToMultiByte (code_page, 0, buffer.get(), -1, result_size !=0 ? result :nullptr, result_size, nullptr, nullptr)
int __cdecl	__acrt_GetLocaleInfoA (_locale_t const locale, int const lc_type, wchar_t const *const locale_name, LCTYPE const locale_type, void *const void_result)

Variables
PCWSTR const	locale_name
PCWSTR const LCTYPE const	locale_type
PCWSTR const LCTYPE const int const	result_size
int const	code_page = locale_update.GetLocaleT()->locinfo->_public._locale_lc_codepage
int const	buffer_size = __acrt_GetLocaleInfoEx(locale_name, locale_type, nullptr, 0)

Function Documentation

__acrt_GetLocaleInfoA()

int __cdecl __acrt_GetLocaleInfoA	(	_locale_t const	locale,
		int const	lc_type,
		wchar_t const *const	locale_name,
		LCTYPE const	locale_type,
		void *const	void_result
	)

Definition at line 71 of file GetLocaleInfoA.cpp.

{
    *static_cast<void**>(void_result) = nullptr;
 
    if (lc_type == LC_STR_TYPE)
    {
        char** const char_result = static_cast<char**>(void_result);
 
        int const local_buffer_size = 128;
        char local_buffer[local_buffer_size];
 
        int const local_length = InternalGetLocaleInfoA(
            locale, locale_name, locale_type, local_buffer, local_buffer_size);
 
        if (local_length != 0)
        {
            *char_result = _calloc_crt_t(char, local_length).detach();
            if (*char_result == nullptr)
                return -1;
 
            _ERRCHECK(strncpy_s(*char_result, local_length, local_buffer, local_length - 1));
            return 0;
        }
 
        if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
            return -1;
 
        // If the buffer size was too small, compute the required size and use a
        // dynamically allocated buffer:
        int const required_length = InternalGetLocaleInfoA(
            locale, locale_name, locale_type, nullptr, 0);
 
        if (required_length == 0)
            return -1;
 
        __crt_unique_heap_ptr<char> dynamic_buffer(_calloc_crt_t(char, required_length));
        if (dynamic_buffer.get() == nullptr)
            return -1;
 
        int const actual_length = InternalGetLocaleInfoA(
            locale, locale_name, locale_type, dynamic_buffer.get(), required_length);
 
        if (actual_length == 0)
            return -1;
 
        *char_result = dynamic_buffer.detach();
        return 0;
    }
    else if (lc_type == LC_WSTR_TYPE)
    {
        wchar_t** const wchar_result = static_cast<wchar_t**>(void_result);
 
        int const required_length = __acrt_GetLocaleInfoEx(locale_name, locale_type, nullptr, 0);
        if (required_length == 0)
            return -1;
 
        __crt_unique_heap_ptr<wchar_t> dynamic_buffer(_calloc_crt_t(wchar_t, required_length));
        if (dynamic_buffer.get() == nullptr)
            return -1;
 
        int const actual_length = __acrt_GetLocaleInfoEx(
            locale_name, locale_type, dynamic_buffer.get(), required_length);
 
        if (actual_length == 0)
            return -1;
 
        *wchar_result = dynamic_buffer.detach();
        return 0;
    }
    else if (lc_type == LC_INT_TYPE)
    {
        unsigned char* const uchar_result = static_cast<unsigned char*>(void_result);
 
        DWORD value = 0;
        int const actual_length = __acrt_GetLocaleInfoEx(
            locale_name,
            locale_type | LOCALE_RETURN_NUMBER,
            reinterpret_cast<wchar_t*>(&value),
            sizeof(value) / sizeof(wchar_t));
 
        if (actual_length == 0)
            return -1;
 
        *uchar_result = static_cast<unsigned char>(value);
        return 0;
    }
 
    return -1;
}

__acrt_WideCharToMultiByte()

return __acrt_WideCharToMultiByte	(	code_page	,
		0	,
		buffer.	get(),
		-	1,
		result_size !	= 0 ? result :nullptr,
		result_size	,
		nullptr	,
		nullptr
	)

Referenced by __acrt_GetTempPath2A(), __acrt_wcs_to_mbs_cp(), __crt_compute_required_transform_buffer_count(), __dcrt_get_narrow_environment_from_os(), _wctomb_internal(), if(), tzset_env_copy_to_tzname(), tzset_os_copy_to_tzname(), write_double_translated_ansi_nolock(), and write_text_utf8_nolock().

_Out_writes_z_()

PCWSTR const LCTYPE const _Out_writes_z_

(

result_size

)

const

_Success_()

_Success_	(	return	,
		0
	)		const

buffer()

__crt_scoped_stack_ptr< wchar_t > const buffer

(

_malloca_crt_t(wchar_t, buffer_size)

)

if() [1/3]

if

(

__acrt_GetLocaleInfoEx(locale_name, locale_type, buffer.get(), buffer_size)

= =0

)

if() [2/3]

if

(

buffer.

get() = =nullptr

)

if() [3/3]

if

(

buffer_size

= =0

)

Variable Documentation

buffer_size

int const buffer_size = __acrt_GetLocaleInfoEx(locale_name, locale_type, nullptr, 0)

Definition at line 26 of file GetLocaleInfoA.cpp.

code_page

int const code_page = locale_update.GetLocaleT()->locinfo->_public._locale_lc_codepage

Definition at line 24 of file GetLocaleInfoA.cpp.

locale_name

PCWSTR const locale_name

Definition at line 16 of file GetLocaleInfoA.cpp.

locale_type

PCWSTR const LCTYPE const locale_type

Definition at line 17 of file GetLocaleInfoA.cpp.

Referenced by __acrt_GetLocaleInfoA().

result_size

PCWSTR const LCTYPE const int const result_size

Initial value:

{
    _LocaleUpdate locale_update(locale)

Definition at line 19 of file GetLocaleInfoA.cpp.

Referenced by test_persistserialized().