RE: read error

["Henderson, Michael D" <michael.d.henderson@...>]

If it's Linux, you should have the low level file functions from stdlib. You can code your own I/O functions to return errors at any given point in a stream. Works against FILE pointers, so you wouldn't have to change much else.

http://www.gnu.org/s/hello/manual/libc/Streams-and-Cookies.html#Streams-and-Cookies