- Res = read(Fd,Buf,MIN(Size,sizeof(Buf)));
- if (Res < 0 || (unsigned) Res != MIN(Size,sizeof(Buf)))
+ unsigned n = sizeof(Buf);
+ if (!ToEOF) n = min(Size,(unsigned long)n);
+ Res = read(Fd,Buf,n);
+ if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read