LPSTR UnicodeToXEx(DWORD codePage,const LPWSTR source,int size)
{
if (size == -1)
size=lstrlenW(source);
int destSize=UnicodeToX(codePage,source,size,NULL,0);
if (destSize > 0)
{
destSize+=sizeof(BYTE);
LPSTR dest=(LPSTR)_alloc(destSize*sizeof(BYTE));
if (dest)
{
UnicodeToX(codePage,source,size,dest,destSize);
return dest;
}
}
return NULL;
}
SYSLIBFUNC(DWORD) StrUtf8ToAnsi(LPCSTR lpSource,DWORD dwSourceSize,LPSTR lpDest,DWORD dwDestSize)
{
DWORD dwRet=0;
do
{
DWORD dwUniLen;
LPWSTR lpSourceW=StrUtf8ToUnicodeEx(lpSource,dwSourceSize,&dwUniLen);
if (!lpSourceW)
break;
dwRet=UnicodeToX(1251,lpSourceW,dwUniLen,lpDest,dwDestSize);;
MemFree(lpSourceW);
}
while (false);
return dwRet;
}
SYSLIBFUNC(DWORD) StrUnicodeToUtf8(LPCWSTR lpSource,DWORD dwSourceSize,LPSTR lpDest,DWORD dwDestSize)
{
DWORD dwRet=0;
do
{
if (!SYSLIB_SAFE::CheckStrParamW(lpSource,dwSourceSize))
break;
if (!dwDestSize)
dwDestSize=lstrlenW(lpSource)+1;
if (!SYSLIB_SAFE::CheckParamWrite(lpDest,dwDestSize))
break;
dwRet=UnicodeToX(CP_UTF8,lpSource,dwSourceSize,lpDest,dwDestSize);
}
while (false);
return dwRet;
}
SYSLIBFUNC(DWORD) StrUnicodeToAnsi(LPCWSTR lpSource,DWORD dwSourceSize,LPSTR lpDest,DWORD dwDestSize)
{
DWORD dwRet=0;
do
{
if (!SYSLIB_SAFE::CheckStrParamW(lpSource,dwSourceSize))
break;
if (!dwDestSize)
dwDestSize=lstrlenW(lpSource)+1;
if (!SYSLIB_SAFE::CheckParamWrite(lpDest,dwDestSize))
break;
dwRet=UnicodeToX(1251,lpSource,dwSourceSize,lpDest,dwDestSize,WC_COMPOSITECHECK);
}
while (false);
return dwRet;
}
SYSLIBFUNC(LPSTR) StrUnicodeToAnsiEx(LPCWSTR lpSource,DWORD dwSourceSize,LPDWORD lpOutSize)
{
LPSTR lpOut=NULL;
do
{
if (!SYSLIB_SAFE::CheckStrParamsExW(lpSource,dwSourceSize,&lpOutSize))
break;
if (!dwSourceSize)
{
dwSourceSize=lstrlenW(lpSource);
if (!dwSourceSize)
break;
}
DWORD dwRequedSize=UnicodeToX(1251,lpSource,dwSourceSize,NULL,0,WC_COMPOSITECHECK);
if (!dwRequedSize)
break;
lpOut=(LPSTR)MemQuickAlloc(dwRequedSize+1);
if (!lpOut)
break;
DWORD dwOutSize=StrUnicodeToAnsi(lpSource,dwSourceSize,lpOut,dwRequedSize);
if (dwOutSize)
{
if (lpOutSize)
*lpOutSize=dwOutSize;
lpOut[dwOutSize]=0;
break;
}
MemFree(lpOut);
lpOut=NULL;
}
while (false);
return lpOut;
}
int UnicodeToAnsi(const LPWSTR source,int sourceSize,LPSTR dest,int destSize)
{
return UnicodeToX(1251,source,sourceSize,dest,destSize);
}
