Even so, its a very good idea to use streams for this; you will
automatically make your extension safe_mode and open_basedir aware,
virtual cwd aware and be able to avoid crippling limitations of certain
OS (eg: Solaris can only fopen 256 files).
These things are particularly important in a web server environment.
--Wez.
On Mon, 10 Mar 2003, Scott Baker wrote:
> Nevermind... Seems the webserver was on afs filespace, and apache/php
> didnt like the permissions it had there. Everything works now that I
> moved it to a jfs filesystem.
>
> Scott Baker wrote:
> > I'm trying to write an extention that calls a C++ lib i've written. I've
> > gotten the module to compile and function mostly correctly, but I have a
> > problem opening files for writing within functions of the lib. My code
> > links libpng to write image files to a img directory on the webserver.
> > The problem is that any attempt to actually open a file for write fails:
> >
> >
> > this is the code to open the file (standard stuff):
> >
> > FILE *pngout
> > pngout = fopen(filename, "wb");
> >
> > if (pngout==NULL) {
> > fprintf(stderr,"ERROR: Unable to open file %s for writing
> > graph\n",filename);
> > return -1;
> > }
> >
> > This code works when i compile the lib as a stand-alone app, but fails
> > when I call it from php. I doubt permissions are the issue, I've gone
> > as far as to chmod 777 the img dir it writes to, and I still get this
> > error. Is the problem that I need to use php streams to write to disk
> > or something? I'd like to be able to use the same lib linked into a php
> > module and into a stand alone app.
> > Thanks.
> >
> >
> >
> > Platform: PowerPC AIX 4.3.3. ml10
> > Compiler: xlC (the C++ one)
> > PHP version: 4.0.6 (this is because this was the most resent IBM rpm for
> > aix. I had compile problems with newer versions, though i think b/c of
> > the changes i've made to libtool, it should work now.) I had to edit
> > libtool to use xlC's makeC++SharedLib script to get the module to link
> > correctly. I've compiled everything from my library to php to apache
> > with xlC.
> >
>
>
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