// The E parameter is what executes when there is an error,
// cannot implement here, since this is not really a macro
// calling code must be modified to call E when truen
//# define CODEC2(P,D,N,X,E,O) \
//if( P.xCodec==0 ){ O=(char*)D; }else \
//if( (O=(char*)(P.xCodec(P.pCodec,D,N,X)))==0 ){ E; }
static bool CODEC2( Pager P, byte[] D, uint N, int X, ref byte[] O )
{
if ( P.xCodec == null )
{
O = D; // do nothing
return false;
}
else
{
return ( ( O = P.xCodec( P.pCodec, D, N, X ) ) == null );
}
}
/*
** A macro used for invoking the codec if there is one
*/
// The E parameter is what executes when there is an error,
// cannot implement here, since this is not really a macro
// calling code must be modified to call E when truen
#if SQLITE_HAS_CODEC
//# define CODEC1(P,D,N,X,E) \
//if( P.xCodec && P.xCodec(P.pCodec,D,N,X)==0 ){ E; }
static bool CODEC1( Pager P, byte[] D, uint N /* page number */, int X /* E (moved to caller */)
{
return ( ( P.xCodec != null ) && ( P.xCodec( P.pCodec, D, N, X ) == null ) );
}