int _V_memcmp (const char* file, int line, const void *m1, const void *m2, int count)
{
Assert( count >= 0 );
AssertValidReadPtr( m1, count );
AssertValidReadPtr( m2, count );
return memcmp( m1, m2, count );
}
//-----------------------------------------------------------------------------
// Purpose: Converts a unicode string into a UTF8 (standard) string
//-----------------------------------------------------------------------------
int V_UnicodeToUTF8( const wchar_t *pUnicode, char *pUTF8, int cubDestSizeInBytes )
{
//AssertValidStringPtr(pUTF8, cubDestSizeInBytes); // no, we are sometimes pasing in NULL to fetch the length of the buffer needed.
AssertValidReadPtr(pUnicode);
if ( cubDestSizeInBytes > 0 )
{
pUTF8[0] = 0;
}
#ifdef _WIN32
int cchResult = WideCharToMultiByte( CP_UTF8, 0, pUnicode, -1, pUTF8, cubDestSizeInBytes, NULL, NULL );
#elif _LINUX
int cchResult = 0;
if ( pUnicode && pUTF8 )
cchResult = wcstombs( pUTF8, pUnicode, cubDestSizeInBytes ) + 1;
#endif
if ( cubDestSizeInBytes > 0 )
{
pUTF8[cubDestSizeInBytes - 1] = 0;
}
return cchResult;
}
int V_snwprintf( wchar_t *pDest, int maxLen, const wchar_t *pFormat, ... )
{
mxASSERT( maxLen >= 0 );
AssertValidWritePtr( pDest, maxLen );
AssertValidReadPtr( pFormat );
va_list marker;
va_start( marker, pFormat );
#ifdef _WIN32
int len = _snwprintf( pDest, maxLen, pFormat, marker );
#elif _LINUX
int len = swprintf( pDest, maxLen, pFormat, marker );
#else
#error "define vsnwprintf type."
#endif
va_end( marker );
// Len < 0 represents an overflow
if( len < 0 )
{
len = maxLen;
pDest[maxLen-1] = 0;
}
return len;
}
void _V_memmove(const char* file, int line, void *dest, const void *src, int count)
{
Assert( count >= 0 );
AssertValidReadPtr( src, count );
AssertValidWritePtr( dest, count );
memmove( dest, src, count );
}
void _V_memcpy (const char* file, int line, void *dest, const void *src, int count)
{
mxASSERT( count >= 0 );
AssertValidReadPtr( src, count );
AssertValidWritePtr( dest, count );
memcpy( dest, src, count );
}
void V_wcsncpy( wchar_t *pDest, wchar_t const *pSrc, int maxLenInBytes )
{
Assert( maxLenInBytes >= 0 );
AssertValidWritePtr( pDest, maxLenInBytes );
AssertValidReadPtr( pSrc );
int maxLen = maxLenInBytes / sizeof(wchar_t);
wcsncpy( pDest, pSrc, maxLen );
if( maxLen )
{
pDest[maxLen-1] = 0;
}
}
//-----------------------------------------------------------------------------
// Purpose: Converts a unicode string into a UTF8 (standard) string
//-----------------------------------------------------------------------------
int V_UnicodeToUTF8( const wchar_t *pUnicode, char *pUTF8, int cubDestSizeInBytes )
{
AssertValidStringPtr(pUTF8, cubDestSizeInBytes);
AssertValidReadPtr(pUnicode);
pUTF8[0] = 0;
#ifdef _WIN32
int cchResult = WideCharToMultiByte( CP_UTF8, 0, pUnicode, -1, pUTF8, cubDestSizeInBytes, NULL, NULL );
#elif _LINUX
int cchResult = wcstombs( pUTF8, pUnicode, cubDestSizeInBytes );
#endif
pUTF8[cubDestSizeInBytes - 1] = 0;
return cchResult;
}
