[U-Boot] A minor question on a Driver Model function
Igor Grinberg
grinberg at compulab.co.il
Mon Sep 15 10:04:20 CEST 2014
Hi,
On 09/14/14 21:28, Simon Glass wrote:
> Hi Masahiro,
>
> On 12 September 2014 05:25, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
>> Hi Simon,
>>
>>
>> I have a qustion about lists_driver_lookup_name() function.
>>
>>
>>
>> for (entry = drv; entry != drv + n_ents; entry++) {
>> if (strncmp(name, entry->name, len))
>> continue;
>>
>> /* Full match */
>> if (len == strlen(entry->name))
>> return entry;
>> }
>>
>>
>>
>>
>> Why is this not like follows?
>>
>>
>>
>>
>> for (entry = drv; entry != drv + n_ents; entry++) {
>> if (!strcmp(name, entry->name))
>> return entry;
>> }
I would suggest still using strncmp as it is safer,
but count also the '\0', so something like:
for (entry = drv; entry != drv + n_ents; entry++) {
if (!strncmp(name, entry->name, len + 1))
return entry;
}
[...]
--
Regards,
Igor.
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