Re: Memory leak

[Aharon Robbins]

Hi. What version of gawk are you using?

        gawk --version

to find out.  I don't see a problem using the current CVS version and valgrind
and a smaller loop count so that it will terminate in enough time to see 
something.

Thanks,

Arnold

> To: address@hidden
> Subject: Memory leak
> From: Aleksey Cheusov <address@hidden>
> Date: Mon, 13 Apr 2009 20:42:08 +0300
>
> The following test programs shows that there is a memory leak somewhere
> in GAWK.
>
>    #!/usr/bin/gawk -f
>
>    BEGIN {
>       val_hash1 [1] = 1
>
>       for (j=1; j<=100000000; j++) {
>          test2( val_hash1 )
>       }
>    }
>
>    function test2 (ValHash1,                       i)
>    {
>       for (i in ValHash1) {
>          return # *** #
>       }
>    }
>
> This program fails like this.
>
>    0 cheusov>gawk -f ~/tmp/2.awk 
>    gawk: /home/cheusov/tmp/2.awk:16: fatal: push_forloop: loop_stack: can't 
> allocate 25165824 bytes of memory (Cannot allocate memory)
>    2 cheusov>
>
> After changing 'return' statement marked as '# *** #' to 'break',
> everything works fine.
>
> The problem is reproducinble under NetBSD and Linux.
>
> -- 
> Best regards, Aleksey Cheusov.