B19 problem with fread() and buffering
Christopher G. Faylor
Sat Sep 5 14:18:00 GMT 1998
In article <18.104.22.168.19980904184440.00ba7d50.cygnus.gnu-win32@appr>,
Todd Massey <firstname.lastname@example.org> wrote:
>I call fread with a sizeof of 4 and a count of 315 after reading
>500 bytes out of a file and I only get back a count of 42 and then
>the FILE* fp->_flags == 1188, when I called fread() it fp_uflags was 1156, so
>for some reason it thinks it reached end of file. Now this is a binary
>file and I use fopen() to open it .. I would expect it to work just fine
>the routine that wrote out the file used fwrite in the B19 stuff..
>So the real question is.. am I over running some buffer?
You probably need to open your file as binary:
FILE *fp = fopen("whatever", "rb");
Otherwise, cygwin, will attempt to translate \r\n to \n and it
will treat a ^Z specially.
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