This is the mail archive of the
cygwin@sourceware.cygnus.com
mailing list for the Cygwin project.
Re: B19 problem with fread() and buffering
- To: gnu-win32 at cygnus dot com
- Subject: Re: B19 problem with fread() and buffering
- From: cgf at cygnus dot com (Christopher G. Faylor)
- Date: 5 Sep 1998 21:11:04 GMT
- Newsgroups: cygnus.gnu-win32
- Organization: Cygnus Solutions
- References: <3.0.3.32.19980904184440.00ba7d50.cygnus.gnu-win32@appr>
- Stamped: newsgate-cygnus
In article <3.0.3.32.19980904184440.00ba7d50.cygnus.gnu-win32@appr>,
Todd Massey <massey@surefirev.com> 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.
--
cgf@cygnus.com "Everything has a boolean value, if you stand
http://www.cygnus.com/ far enough away from it." -- Galena Alyson Canada
-
For help on using this list (especially unsubscribing), send a message to
"gnu-win32-request@cygnus.com" with one line of text: "help".