🚀 go-pugleaf

In <1992Jul25.175848.29166@unixg.ubc.ca> ochealth@unixg.ubc.ca (ochealth) writes:



>A number of UNIX programs I have ported to OS/2 using emx or gcc
>choke on binary files, unless I modify them.

>for example:
>f = fopen(name,"r") must be changed to f=fopen(name,"rb")
>etc.

>I was wondering just what happens when you don't open as binary.
>Will it return EOF when it sees ^Z or what?

>This is sort of troubling to me, since EMX is desing to make porting UNIX easier

>Was fopen changed to make it more compatible with OS/2 or what. From what I've
>read "r" and "rb" are handled the same in UNIX.

"r" and "rb" are a world apart, although the difference is slight.  "Text mode"
implies that CR-LF pairs are translated to LF on reads and vice-versa on 
writes.  This is due to the hardware, I believe, requiring the CR and LF
to perform a "new line" operation.  Additionally - and I could be wrong here -
text mode does return EOF when Ctrl-Z is encountered, while binary mode does
not.

-- 
Cheers,
Q
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