Re: [ft-devel] [Doubt] Error with STREAM_FILE function.

[Parth Wazurkar]

>> Actually I want to extract the file pointer from the input stream.
>> For this I initially used (FILE*)stream->descriptor.pointer to get
>> the pointer but it did not allocate the pointer and gave a
>> segmentation fault with fseek.

>Don't use FreeType internals outside of the library.  Look into the
>FreeType demo file `src/ftcommon.c' for an example of file handling.

OK. But I am not using this outside the library but in the driver itself.

>> I then did an explicit fopen on the filename later and my code ran
>> properly.

>This sounds like the right solution.

>> Now the problem is that I cannot extract file pointer from the
>> stream.

>Why do you need it?  What problem do you want to solve?

I just need the file pointer outside the stream to extract the font specific values

from the font file. The problem which I am facing is that the `stream->descriptor.pointer`
is not returning a correct pointer to the file and thus causing errors. I tried finding
the error in the FT_Stream_Open function but could not find the problem.
And using fopen explicitly twice might create errors later. Can you suggest a better
way to get the file pointer from the input stream?

> Also, if STREAM_FILE is already defined to be used to ease the
> process, then why is it showing undefined symbol?

>Again: It is a macro, only *locally* defined (in `ftsystem.c').  If
>you use it in another file, the compiler treats it as an undefined
>symbol.

Ok. Now I get that. Thanks.

--

Parth