C语言实现GBK/GB2312/五大码之间的转换（转）

源：C语言实现GBK/GB2312/五大码之间的转换

//---------------------------------------------------------------------------
// 大五码Big5转GBK码：
void __fastcall BIG52GBK(char *szBuf)
{
    if (!strcmp(szBuf, ""))
        return;
    int nStrLen = strlen(szBuf);
    wchar_t *pws = new wchar_t[nStrLen + 1];
    try
    {
        int nReturn = MultiByteToWideChar(950, 0, szBuf, nStrLen, pws, nStrLen + 1);
        BOOL bValue = false;
        nReturn = WideCharToMultiByte(936, 0, pws, nReturn, szBuf, nStrLen + 1, "?", &bValue);
        szBuf[nReturn] = 0;
    }
    __finally
    {
        delete[] pws;
    }
}
//---------------------------------------------------------------------------
// GBK转大五码(Big5)
void __fastcall GBK2BIG5(char *szBuf)
{
    if(!strcmp(szBuf, ""))
        return ;
    int nStrLen = strlen(szBuf);
    wchar_t *pws = new wchar_t[nStrLen + 1];
    try
    {
        MultiByteToWideChar(936, 0, szBuf, nStrLen, pws, nStrLen + 1);
        BOOL bValue = false;
        WideCharToMultiByte(950, 0, pws, nStrLen, szBuf, nStrLen + 1, "?", &bValue);
        szBuf[nStrLen] = 0;
    }
    __finally
    {
        delete[] pws;
    }
}
//----------------------------------------------------------------------------
// GB2312码转GBK码
void __fastcall GB2GBK(char *szBuf)
{
    if(!strcmp(szBuf, ""))
        return;
    int nStrLen = strlen(szBuf);
    WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
    int nReturn = LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nStrLen, NULL, 0);
    if(!nReturn)
        return;
    char *pcBuf = new char[nReturn + 1];
    try
    {
        wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
        LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
        strncpy(szBuf, pcBuf, nReturn);
    }
    __finally
    {
        delete[] pcBuf;
    }
}
//---------------------------------------------------------------------------
// GBK码转GB2312码
void __fastcall GBK2GB(char *szBuf)
{
    if(!strcmp(szBuf, ""))
        return;
    int nStrLen = strlen(szBuf);
    WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
    int nReturn = LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nStrLen, NULL, 0);
    if(!nReturn)
        return;
    char *pcBuf = new char[nReturn + 1];
    try
    {
        wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
        LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
        strncpy(szBuf, pcBuf, nReturn);
    }
    __finally
    {
        delete []pcBuf;
    }
}