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From: "Wiles, Keith" <keith.wiles@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Thread-Topic: [dpdk-dev] [RFC PATCH] eal:Add new API for parsing args at
 rte_eal_init time
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Date: Thu, 4 Jun 2015 11:50:33 +0000
Message-ID: <D195A551.21883%keith.wiles@intel.com>
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC PATCH] eal:Add new API for parsing args at
 rte_eal_init time
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Hi Stephen

On 6/3/15, 7:12 PM, "Stephen Hemminger" <stephen@networkplumber.org> wrote:

>On Wed,  3 Jun 2015 13:49:53 -0500
>Keith Wiles <keith.wiles@intel.com> wrote:
>
>> +/* Launch threads, called at application init() and parse app args. */
>> +int
>> +rte_eal_init_parse(int argc, char **argv,
>> +		int (*parse)(int, char **))
>> +{
>> +	int	ret;
>> +
>> +	ret =3D rte_eal_init(argc, argv);
>> +	if ((ret >=3D 0) && (parse !=3D NULL)) {
>> +		argc -=3D ret;
>> +		argv +=3D ret;
>
>This won't work C is call by value.

I tested this routine with Pktgen (again), which has a number of
application options and it appears to work correctly. Can you explain why
this will not work?

Regards,
++Keith
>