On 2014-04-14, Grant Edwards <invalid@invalid.invalid> wrote:
> On 2014-04-14, John Gordon <gor...@panix.com> wrote:
>>> char **envp_read;
>>> char **envp_write;
>>
>>> if (envp_write < envp_read)
>>> {
>>> memset(envp_write, 0, ((unsigned int) envp_read -
>>> (unsigned int) envp_write));
>>> }
>>
>> I think it's complaining about casting the char ** objects to unsigned int.
>
> If we assume that the author is trying to clear memory between the
> addresses pointed to by the two variables, then it's probably better
> be cast to (char *) before the subtracted.
Wow, I mangled that sentence. It should have been something like:
then it's probably better to cast them to (char *) before the
subtraction.
memset(envp_write, 0, ((char*)envp_read)-((char*)envp_write));
--
Grant Edwards grant.b.edwards Yow! My mind is making
at ashtrays in Dayton ...
gmail.com
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