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運作成功:char轉換為wchar_t的代碼

  具體代碼是:

#include <stdio.h>
#include <stdlib.h>
 
#include <wchar.h>
#include <locale.h>
 
int char2wchar(char* pSrc, wchar_t* pDest)
{
    if (pSrc == NULL || pDest == NULL)
    {
        return 0;
    }
 
    setlocale(LC_CTYPE, "zh_CN.utf8");
    int w_size = mbstowcs(NULL, pSrc, 0) + 1;
    //w_size=0說明出錯了。可能有非法字元,也可能是locale設定不對。
    if (w_size == 0)
    {
        return -1;
    }
 
    int ret = mbstowcs(pDest, pSrc, strlen(pSrc)+1);
    if (ret <= 0)
    {
        return -1;
    }
 
    return w_size;
}
 
 
int main()
{
    wchar_t wstr[32]     = {0};
    char*   source       = "泰山";
 
    int count = char2wchar(source, &(wstr[0]));
}      

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