Re: LF vs. CR/LF (WAS: Problems with libtiff!)

[Earnie Boyd <earnie_boyd@yahoo.com>]

--- Ulrich Koehler <koehler@mvt.tu-clausthal.de> wrote:
> Hello,
> 
> first of all: thank you for your help!
> This RTFM! goes to me. I was not aware of the CR/LF
> problem and the differences between text and binary
> mode because I never browsed through the documentation.
> I did not even know that you can open files in text-mode,
> it sounds like a strange idea to me. Because I'm working
> on many platforms, I create and edit only text files with
> UNIX-style line-endings on Windows and I'm trying to keep
> my environment CR/LF-free.
> 

Welcome to the world of portable programming.

> Will I experience problems within the cygwin-environment,
> if I use only text=binary mounts?
> 

Yes.  If the script files contain \r\n line endings then bash and sh will
properly execute them.  Don't change to text=binary in order to become lazy.  I
always suggest that you leave it witht the text!=binary default.


> BTW:
> I've changed the single open() call in the libtiff-source to
> open the file as binary ( If I remember correctly the value
> O_BINARY is defined, I added '|0x100000' to the mode bits).
> It now seems to work now even with
> my default text!=binary mount. I could compile and link
> my application and used it without problems.

Good.

> I wrote 'it seems to work', because the 'thumbnail' binary
> still does not work. Maybe there is another reason why,
> 'tiff2ps' does work.

If it uses the fopen call you would use "rb" in the function instead of just
"r" to open in binary mode.  Unfortunately there isn't a "rt" equivalent for
text mode.  You can use though the setmode function to set either _O_BINARY or
_O_TEXT mode after the open call before reading/writing anything into the
buffer.

> I do not have the knowlegde to make a complete port using
> the configure script and I still want to be sure that I did
> the right thing.

I'm just learning the autoconf configure script language myself.  Shouldn't be
too difficult to learn.  Just start small and grow big.
===
Earnie Boyd < mailto:earnie_boyd@yahoo.com >

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