[RFC] new applets: i2c-tools

[walter harms]

Am 10.12.2014 11:20, schrieb Bartosz Gołaszewski:
> 2014-12-09 18:09 GMT+01:00 walter harms <wharms at bfs.de>:
>>
>> could you please explain shortly why you have a external buffer here ?
>>
>> you could easly do
>> filename=xasprintf("/dev/i2c-%d", i2cbus);
>> or
>> char filename[32];
>> or
> 
> This is done to pass the filename to the calling function. It isn't
> used by i2cget in this case, but possibly will be used by other utils
> (it is in i2c-tools).
> 
>> btw:
>> bb_perror_msg_and_die("Could not open file: "Could not open file: %s",filename) would work also ?
> 
> This would only show one of two possible filenames.
> 

ok,
but given that busybox is not used by pple it seems reasonable to check only for one target.
either automatic
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)  /* used in loop.c */
or manual: let the user decide via busybox.conf
re,
 wh