linuxaudio.org

On Thu, Nov 8, 2012 at 3:42 PM, Muffinman  wrote:
> I'm working on a little app utilizing 'lasound' and I've got bassically

quoted text
> what I want. However, somewhere there is a fault. Editing a random

> variable causes a segmentation fault. I've tried gdb but except it

> telling me where the application crashed (which I already knew) I did

> not get anything useful out of it. To minimize my own potential errors I

> have here below the example script from where I started (though I have

> removed some unnecessary stuff) and commented out the 'long *outvl' and

> '*outvl = -1'. Uncommenting, compile, and run this and I get a

> segmentation fault.

You never allocate memory for the pointer long *outvl after you create

it, but then try to point to a value. You need to use malloc() to

initialize the memory for that pointer before you can use it.
--

Brett W. McCoy -- http://www.brettwmccoy.com

------------------------------------------------------------------------

"In the rhythm of music a secret is hidden; If I were to divulge it,

it would overturn the world."

    -- Jelaleddin Rumi

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