bool CharToWide(const char *Src,wchar *Dest,size_t DestSize)
{
bool RetCode=true;
*Dest=0; // Set 'Dest' to zero just in case the conversion will fail.
#ifdef _WIN_ALL
if (MultiByteToWideChar(CP_ACP,0,Src,-1,Dest,(int)DestSize)==0)
RetCode=false;
#elif defined(_APPLE)
UtfToWide(Src,Dest,DestSize);
#elif defined(MBFUNCTIONS)
size_t ResultingSize=mbstowcs(Dest,Src,DestSize);
if (ResultingSize==(size_t)-1)
RetCode=false;
if (ResultingSize==0 && *Src!=0)
RetCode=false;
if ((!RetCode || *Dest==0 && *Src!=0) && DestSize>NM && strlen(Src)<NM)
{
/* Workaround for strange Linux Unicode functions bug.
Some of wcstombs and mbstowcs implementations in some situations
(we are yet to find out what it depends on) can return an empty
string and success code if buffer size value is too large.
*/
return(CharToWide(Src,Dest,NM));
}
#else
if (UnicodeEnabled())
{
#if defined(_EMX) && !defined(_DJGPP)
int len=Min(strlen(Src)+1,DestSize-1);
if (uni_toucs((char*)Src,len,(UniChar*)Dest,(size_t*)&DestSize)==-1 ||
DestSize>len)
DestSize=0;
RetCode=false;
#endif
}
else
for (int I=0;I<DestSize;I++)
{
Dest[I]=(wchar_t)Src[I];
if (Src[I]==0)
break;
}
#endif
// We tried to return the zero terminated string if conversion is failed,
// but it does not work well. MultiByteToWideChar returns 'failed' code
// even if we wanted to convert only a part of string and passed DestSize
// smaller than required for fully converted string. Such call is the valid
// behavior in RAR code and we do not expect the empty string in this case.
return(RetCode);
}
bool CharToWide(const char *Src,wchar *Dest,size_t DestSize)
{
bool RetCode=true;
#ifdef _WIN_32
if (MultiByteToWideChar(CP_ACP,0,Src,-1,Dest,(int)DestSize)==0)
RetCode=false;
#else
#ifdef _APPLE
UtfToWide(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS
size_t ResultingSize=mbstowcs(Dest,Src,DestSize);
if (ResultingSize==(size_t)-1)
RetCode=false;
if (ResultingSize==0 && *Src!=0)
RetCode=false;
if ((!RetCode || *Dest==0 && *Src!=0) && DestSize>NM && strlen(Src)<NM)
{
/* Workaround for strange Linux Unicode functions bug.
Some of wcstombs and mbstowcs implementations in some situations
(we are yet to find out what it depends on) can return an empty
string and success code if buffer size value is too large.
*/
return(CharToWide(Src,Dest,NM));
}
#else
if (UnicodeEnabled())
{
#if defined(_EMX) && !defined(_DJGPP)
int len=Min(strlen(Src)+1,DestSize-1);
if (uni_toucs((char*)Src,len,(UniChar*)Dest,(size_t*)&DestSize)==-1 ||
DestSize>len)
DestSize=0;
RetCode=false;
#endif
}
else
for (int I=0;I<DestSize;I++)
{
Dest[I]=(wchar_t)Src[I];
if (Src[I]==0)
break;
}
#endif
#endif
#endif
return(RetCode);
}
bool CharToWide(const char *Src,wchar *Dest,int DestSize)
{
bool RetCode=true;
#ifdef _WIN_32
if (MultiByteToWideChar(CP_ACP,0,Src,-1,Dest,DestSize)==0)
RetCode=false;
#else
#ifdef _APPLE
UtfToWide(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS
if (mbstowcs(Dest,Src,DestSize)==-1)
RetCode=false;
#else
if (UnicodeEnabled())
{
#if defined(_EMX) && !defined(_DJGPP)
int len=Min(strlen(Src)+1,DestSize-1);
if (uni_toucs((char*)Src,len,(UniChar*)Dest,(size_t*)&DestSize)==-1 ||
DestSize>len)
DestSize=0;
RetCode=false;
#endif
}
else
for (int I=0;I<DestSize;I++)
{
Dest[I]=(wchar_t)Src[I];
if (Src[I]==0)
break;
}
#endif
#endif
#endif
return(RetCode);
}
