Date: Sat, 18 Apr 2015 23:23:22 +0200 From: Dirk Engling <erdgeist@erdgeist.org> To: freekai <freekai@outlook.com>, freebsd-jail@freebsd.org Subject: Re: Create Jail fail by c language Message-ID: <5532CB4A.5030703@erdgeist.org> In-Reply-To: <BLU403-EAS181EC3EE31BC31CDFE53C3AABE20@phx.gbl> References: <BLU403-EAS181EC3EE31BC31CDFE53C3AABE20@phx.gbl>
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On 18.04.15 17:34, freekai wrote:
> 18 j.ip4s=inet_addr(cp);
>From the man page:
> The “ip4s” and “ip6s” give the numbers of IPv4 and IPv6 addresses
> that will be passed via their respective pointers.
so it should rather read:
> 18 j.ip4s=1;
> 19 j.ip6s=0;
> 20
> 21 if(1!=inet_aton(cp,&ip4))
> 22 printf("the address is invalid\r\n");
> 23
> 24 j.ip4=&ip4;
> The problem is it will print `einval`,it means `The version number of the argument is not correct.`
> How to solve it?
Also, the man pages states several other reasons for the EINVAL return
code (scroll further down), one of them being
[EINVAL] A supplied parameter is the wrong size.
Regards
erdgeist
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