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Date: Mon, 14 Jun 2004 18:23:08 +0200
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Subject: Need help with streams
From: schst@php-tools.net (Stephan Schmidt)

Hi,

I'm working on ext/id3 (proposed in pecl) and I'm currently experiencing 
a problem.
I got a function that is used to update the information in an ID3 tag. 
The user passes an array and I update all information that has been 
passed. One of the possible tokens is a genre ID which is represented by 
an integer:

$new = array(
		'title' => 'My Song',
		'genre' => 23
	);

Now I need to write the character that represents 34 to the stream. Using

   zend_hash_get_current_data(array, (void**) &data);

I copy the value 23 into data. Then I convert it to long, if the value 
is not a long already:

   convert_to_long(*data);

And now I move the pointer to the position where the genre ID is stored:

   php_stream_seek(stream, ID3_SEEK_V1_GENRE, SEEK_END);

But I do not know how to write the value to the stream

   php_stream_write(stream, (char*)Z_LVAL_P(*data), 1);

This does not produce the result I need, instead the file contains 48 at 
  this position.
If I return RETURN_LONG(Z_LVAL_P(*data); I get 23 as expected.

Hope anybody is able to help or direct me to the correct mailinglist if 
internals is not the appropriate list.

Best regards,

Stephan