ansi2uni in Win32

Ansi2Uni.zip

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <Windows.h>

/*

 * AnsiToUnicode converts the ANSI string pszA to a Unicode string

 * and returns the Unicode string through ppszW. Space for the

 * the converted string is allocated by AnsiToUnicode.

 */ 

HRESULT __fastcall AnsiToUnicode(LPCSTR pszA, LPOLESTR* ppszW)

{

    ULONG cCharacters;

    DWORD dwError;

    // If input is null then just return the same.

    if (NULL == pszA)

    {

        *ppszW = NULL;

        return NOERROR;

    }

    // Determine number of wide characters to be allocated for the

    // Unicode string.

    cCharacters =  strlen(pszA)+1;

    // Use of the OLE allocator is required if the resultant Unicode

    // string will be passed to another COM component and if that

    // component will free it. Otherwise you can use your own allocator.

    *ppszW = (LPOLESTR) CoTaskMemAlloc(cCharacters*2);

    if (NULL == *ppszW)

        return E_OUTOFMEMORY;

    // Covert to Unicode.

    if (0 == MultiByteToWideChar(CP_ACP, 0, pszA, cCharacters, *ppszW, cCharacters))

    {

        dwError = GetLastError();

        CoTaskMemFree(*ppszW);

        *ppszW = NULL;

        return HRESULT_FROM_WIN32(dwError);

    }

    return NOERROR;

}

/*

 * UnicodeToAnsi converts the Unicode string pszW to an ANSI string

 * and returns the ANSI string through ppszA. Space for the

 * the converted string is allocated by UnicodeToAnsi.

 */ 

HRESULT __fastcall UnicodeToAnsi(LPCOLESTR pszW, LPSTR* ppszA)

{

    ULONG cbAnsi, cCharacters;

    DWORD dwError;

    // If input is null then just return the same.

    if (pszW == NULL)

    {

        *ppszA = NULL;

        return NOERROR;

    }

    cCharacters = wcslen(pszW)+1;

    // Determine number of bytes to be allocated for ANSI string. An

    // ANSI string can have at most 2 bytes per character (for Double

    // Byte Character Strings.)

    cbAnsi = cCharacters*2;

    // Use of the OLE allocator is not required because the resultant

    // ANSI  string will never be passed to another COM component. You

    // can use your own allocator.

    *ppszA = (LPSTR) CoTaskMemAlloc(cbAnsi);

    if (NULL == *ppszA)

        return E_OUTOFMEMORY;

    // Convert to ANSI.

    if (0 == WideCharToMultiByte(CP_ACP, 0, pszW, cCharacters, *ppszA, cbAnsi, NULL, NULL))

    {

        dwError = GetLastError();

        CoTaskMemFree(*ppszA);

        *ppszA = NULL;

        return HRESULT_FROM_WIN32(dwError);

    }

    return NOERROR;

}

HWND GetConsoleHwnd (wchar_t *newName)

{

    #define MY_BUFSIZE 1024 // Buffer size for console window titles.

    HWND hwndFound;         // This is what is returned to the caller.

#ifdef UNICODE

    wchar_t pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated

// WindowTitle.

    wchar_t pszOldWindowTitle[MY_BUFSIZE]; // Contains original

                                        // WindowTitle.

#else

    char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated

                                        // WindowTitle.

    char pszOldWindowTitle[MY_BUFSIZE]; // Contains original

                                        // WindowTitle.

#endif // !UNICODE

    // Fetch current window title.

    GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);

    // Format a "unique" NewWindowTitle.

#ifdef UNICODE

    wsprintf(pszNewWindowTitle,TEXT("%d/%d"),

                GetTickCount(),

                GetCurrentProcessId());

    // Change current window title.

#else

    wsprintf(pszNewWindowTitle,"%d/%d",

                GetTickCount(),

                GetCurrentProcessId());

    // Change current window title.

#endif // !UNICODE

    SetConsoleTitle (newName);

    // Ensure window title has been updated.

    Sleep(40);

    // Look for NewWindowTitle.

    hwndFound=FindWindow(NULL, pszNewWindowTitle);

    // Restore original window title.

    //SetConsoleTitle(pszOldWindowTitle);

    return(hwndFound);

}

int main (void)

{

char str[80] = "Hello, World\n";

wchar_t *wstr;

int err;

err = AnsiToUnicode(str, &wstr);

GetConsoleHwnd (wstr);

if (wstr) {

CoTaskMemFree (wstr);

wstr = NULL;

}

printf ("Enter any key for terminating...\n");

_getch ();

return 0;

}

character 코드를 unicode로 변경 후, 콘솔창의 타이틀이름을 변경하는 예제이다.

--- 결과 ---