help request: passing return value

Wez Furlong wrote:

PHP_FUNCTION (or ZEND_FUNCTION - they are the same)
includes the function paramters; one of those is:

zval *return_value;

which already contains an allocated zval (set to NULL).

If you want to change this in one of your own functions, you could
do something like this:

int f1(zval *return_value, ...)
{
... change the return_value here ...
return SUCCESS;
}

PHP_FUNCTION(my_func)
{
if (f1(return_value) == SUCCESS) {
/* it worked /
return;
} else {
/ it didn't work */
php_error(....)
}
}

Thanks a lot, it seems to work.

Also take a look in Zend/zend.h at the definitions for
INTERNAL_FUNCTION_PARAMETERS and
INTERNAL_FUNCTION_PARAM_PASSTHRU

I will. Thanks again.

which can be used in you own function declarations to handle
the php function paramters.

Hope that helps,

--Wez.

PS: You're welcome to join the PHP Extension Community Library,
or PECL, on pecl-dev@lists.php.net

----- Original Message -----
From: "netcat" netcat@abox.co.il
To: "PHP Development" internals@lists.php.net
Sent: Tuesday, October 07, 2003 9:43 AM
Subject: [PHP-DEV] help request: passing return value

Hi internals.

[background]
I'm newbie here and with php extensions.
Working on php extension.
It should give access to librep.
I have very little experience with C.

[problem]

zval f1(some_args) {
zval r;
...
return r;
}

/* f1 can return many different types */

ZEND_FUNCTION(f2) {
/* working on some_args here /
...
...
/ here i need to return what
f1(some_args) returns */
}

What's the best way to pass the result ?
Any macro that would ?
[tried]

To look at another modules.

Make f1 be (zval *) and
"*return_value=*rep_data_converter(result);"
in f2.
Since zval is not very simple structure - it doesn't work.

--
NetCat

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