segmentation fault

19 years ago by Oliver Block — view source — reply

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Hello,

I receive a segmentation fault on a

RETVAL_STRING(some_module_global, 1);

The problem disappears if I change it to

RETVAL_STRING(some_module_global, 0);

Is anybody interested in the data?

Regards,

Oliver

19 years ago by Tijnema ! — view source — reply

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Hello,

I receive a segmentation fault on a

RETVAL_STRING(some_module_global, 1);

The problem disappears if I change it to

RETVAL_STRING(some_module_global, 0);

Is anybody interested in the data?

Regards,

Oliver

I never had any segfaults with PHP, but i think more info is needed.
What is some_module_global? is it a var? did you define it? is it just
a string?

And maybe PHP version would be helpful.

Tijnema

19 years ago by Richard Lynch — view source — reply

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Hello,

I receive a segmentation fault on a

RETVAL_STRING(some_module_global, 1);

The problem disappears if I change it to

RETVAL_STRING(some_module_global, 0);

Is anybody interested in the data?

Regards,

Oliver

As I understand it (or don't, more likely) the whole point of the 0
versus 1 there is "who is going to deallocate the string" you are
returning.

If you use the wrong thing, and both PHP and you deallocate the
string, then one of you is doing a "free" on NULL and PHP will
segfault.

Don't do that. :-)

So, I suspect that nobody really wants the data, as you did something
you shouldn't have, and now you've fixed it.

Please understand that my experience in this matter is limited to
writing one (1) extension of dubious value, at best:
http://l-i-e.com/perror

--
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I want you to buy a CD from some starving artist.
http://cdbaby.com/browse/from/lynch
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