[patch ld]: Do some memory cleanup for def-file parsing

[Kai Tietz]

2011/4/18 Nick Clifton <nickc@redhat.com>:
> Hi Kai,
>
>> ld/
>> 2011-04-16  Kai Tietz
>>
>>        * deffilep.y (def_pool_str): New type.
>>        (pool_strs): Local static.
>>        (def_pool_alloc): Local function.
>>        (def_pool_strdup): Likewise.
>>        (def_pool_free): Likewise.
>>        (opt_name): Replace xmalloc/xstrdup by
>>        def_pool_alloc/def_pool_strdup.
>>        (dot_name): Likewise.
>>        (anylang_id): Likewise.
>>        (def_lex): Likewise.
>>        (def_file_parse): Call def_pool_free on
>>        exit and cleanup directives elements.
>>        (def_file_add_directive): Call def_pool_free.
>
> Approved - please apply.
>
> But ...
>
> +  e = (def_pool_str *) xmalloc (sizeof (def_pool_str) + sz);
> +  if (!e)
> +    return NULL;
>
> This check is unnecessary - xmalloc() cannot return a NULL pointer.
>
> Cheers
>  Nick
>

Applied with removing of unnecessary nil-check.

Thanks,
Kai