_wsetlocale

C語言函式

函式簡介

函式名稱：_wSetlocale
函式原型：
wchar_t *_wsetlocale(
int category,
const wchar_t *locale
);
函式功能及返回值：設定、改變或返回當前的地域信息，若成功則返回一個指向地域信息字元串的指針
所屬庫：locale.h或wchar.h
相關函式：setlocale、localeconv

參數說明

詳見



程式示例

// crt_setlocale.cpp
//
// This program demonstrates the use of setlocale when
// using two independent threads.
//
#include <locale.h>
#include <process.h>
#include <windows.h>
#include <stdio.h>
#include <time.h>
#define BUFF_SIZE 100
// Retrieve the date and time in the current
// locale's format.
int get_time(unsigned char* str)
{
__time64_t ltime;
struct tm thetime;
// Retieve the time
_time64(&ltime);
_gmtime64_s(&thetime, &ltime);
// Format the current time structure into a string
// using %#x is the long date representation,
// appropriate to the current locale
if (!strftime((char *)str, BUFF_SIZE, "%#x",
(const struct tm *)&thetime))
{
printf("strftime failed!\n");
return -1;
}
return 0;
}
// This thread sets its locale to German
// and prints the time.
unsigned __stdcall SecondThreadFunc( void* pArguments )
{
unsigned char str[BUFF_SIZE];
// Set the thread local
printf("The thread locale is now set to %s.\n",
setlocale(LC_ALL, "German"));
// Retrieve the time string from the helper function
if (get_time(str) == 0)
{
printf("The time in German locale is: '%s'\n", str);
}
_endthreadex( 0 );
return 0;
}
// The main thread spawns a second thread (above) and then
// sets the locale to English and prints the time.
int main()
{
HANDLE hThread;
unsigned threadID;
unsigned char str[BUFF_SIZE];
// Configure per-thread locale to cause all subsequently created
// threads to have their own locale.
_configthreadlocale(_ENABLE_PER_THREAD_LOCALE);
// Retrieve the time string from the helper function
printf("The thread locale is now set to %s.\n",
setlocale(LC_ALL, "English"));
// Create the second thread.
hThread = (HANDLE)_beginthreadex( NULL, 0, &SecondThreadFunc,
NULL, 0, &threadID );
if (get_time(str) == 0)
{
// Retrieve the time string from the helper function
printf("The time in English locale is: '%s'\n\n", str);
}
// Wait for the created thread to finish.
WaitForSingleObject( hThread, INFINITE );
// Destroy the thread object.
CloseHandle( hThread );
}